CN104298348A - Infrared gesture recognizer, camera shooting method and device and video camera - Google Patents
Infrared gesture recognizer, camera shooting method and device and video camera Download PDFInfo
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- CN104298348A CN104298348A CN201410491309.5A CN201410491309A CN104298348A CN 104298348 A CN104298348 A CN 104298348A CN 201410491309 A CN201410491309 A CN 201410491309A CN 104298348 A CN104298348 A CN 104298348A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/107—Static hand or arm
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/20—Movements or behaviour, e.g. gesture recognition
- G06V40/28—Recognition of hand or arm movements, e.g. recognition of deaf sign language
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
Abstract
The embodiment of the invention discloses an infrared gesture recognizer, a camera shooting method and device and a video camera. The infrared gesture recognizer comprises an infrared transmitter for transmitting infrared light, at least two infrared receivers for receiving the infrared light, reflected back by the palm of a user, in the infrared light and sending preset signals to a processor and the processor for obtaining the action information of the palm of the user according to the sequence of the preset signals received by the at least two infrared receivers in one time window. By means of the infrared gesture recognizer, the problems that gesture recognition cannot be conducted under the dark condition, and the power consumption, caused by gesture recognition, of a device is too high can be solved.
Description
Technical field
The present invention relates to camcorder technology field, be specifically related to a kind of infrared gesture recognition, image capture method, device and video camera.
Background technology
Gesture is that human communication exchanges inalienable part, and people always like making unwarranted remarks when mutually exchanging.And Gesture Recognition opens the new situation of we and machine, equipment or computer interaction.
Such as, smart mobile phone adopts front-facing camera to follow the tracks of the technology of carrying out gesture identification and in fact employs a period of time, as the Galax S4 of Samsung, with gesture page-turning function, the technology that this employing camera tracking gesture carries out gesture identification also can be used for the portable equipments such as panel computer, notebook computer, portable game machine, video camera.
But this gesture identification mode still faces several major issue: on the one hand, and under dark condition, camera cannot take images of gestures, on the other hand, continual image analysing computer and process make portable equipment calculated amount too large, cause equipment power dissipation too high.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of infrared gesture recognition, image capture method, device and video camera, cannot carry out gesture identification under solving dark condition, and the problem that gesture identification causes equipment power dissipation too high.
The embodiment of the present invention is by the following technical solutions:
First aspect, embodiments provides a kind of infrared gesture recognition, comprising:
Infrared transmitter, for launching infrared light;
At least two pieces of infrared remote receivers, for receiving by the infrared light that user's palmar returns in described infrared light, and send preset signals to processor;
Described processor, for obtaining the action message of described user's palm according to the sequencing of the described preset signals received from described at least two pieces of infrared remote receivers in a time window.
Second aspect, the embodiment of the present invention additionally provides a kind of image capture method, comprising:
Obtained the action message of user's palm by infrared gesture recognition as described in relation to the first aspect in a time window;
Obtain the default control instruction matched with described action message;
The rotating camera controlling video camera according to described default control instruction carries out shooting adjustment.
The third aspect, the embodiment of the present invention additionally provides a kind of camera head, comprising:
Action message acquiring unit, in a time window by the action message of described infrared gesture recognition acquisition user palm as arbitrary in claim 1-4;
Steering order acquiring unit, for obtaining the default control instruction matched with described action message;
Shooting adjustment unit, the rotating camera for controlling described video camera according to described default control instruction carries out shooting adjustment.
Fourth aspect, the embodiment of the present invention additionally provides a kind of video camera, comprising:
Rotating camera, motor, wherein said rotating camera is connected with described motor;
Infrared gesture recognition described in first aspect, for obtaining the action message of user's palm in a time window, sends to described action message control module of finding a view;
Described control module of finding a view, for obtaining described action message, from the default correspondence table comprising action message and default control instruction, searching the default control instruction corresponding with described action message, described default control instruction is sent to motor control module;
Described motor control module is used for controlling described motor operations according to described default control instruction, carries out shooting adjustment to make camera described in described motor driving.
The Advantageous Effects of the technical scheme that the embodiment of the present invention proposes is:
The technical scheme of the present embodiment receives the infrared light returned by user's palmar in the infrared light of infrared transmitter transmitting by least two pieces of infrared remote receivers, and send preset signals to processor, described processor obtains the action message of described user's palm according to the sequencing of the described preset signals received from described at least two pieces of infrared remote receivers in a time window, gesture identification can be carried out under any light condition, and reduce the equipment power dissipation of gesture identification.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing the embodiment of the present invention is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the content of the embodiment of the present invention and these accompanying drawings.
Fig. 1 is the structured flowchart of the infrared gesture recognition described in the specific embodiment of the invention one;
Fig. 2 is the distribution schematic diagram of the infrared remote receiver in the infrared gesture recognition described in the specific embodiment of the invention two;
Fig. 3 is the image capture method process flow diagram described in the specific embodiment of the invention three;
Fig. 4 is the image capture method process flow diagram described in the specific embodiment of the invention four;
Fig. 5 is the structured flowchart of the camera head described in the specific embodiment of the invention five;
Fig. 6 is the structured flowchart of the video camera described in the specific embodiment of the invention six.
Embodiment
The technical matters solved for making the present invention, the technical scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technical scheme of accompanying drawing to the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those skilled in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Embodiment one
Fig. 1 is the structured flowchart of the infrared gesture recognition described in the present embodiment, the present embodiment is applicable to and receives by least two pieces of infrared remote receivers the infrared light returned by user's palmar in the infrared light of infrared transmitter transmitting, the situation of the action message of described user's palm is obtained according to the sequencing received, the method can be performed by the camera head be arranged in video camera, as shown in Figure 1, the infrared gesture recognition described in the present embodiment comprises:
Infrared transmitter 102, for launching infrared light;
At least two pieces of infrared remote receivers (as the first infrared remote receiver 102, second infrared remote receiver 103 and N infrared remote receiver 104 etc. in Fig. 1), for receiving by the infrared light that user's palmar returns in described infrared light, and send preset signals to processor;
Namely, when one piece of infrared remote receiver any in described at least two pieces of infrared remote receivers receives infrared light, send preset signals to processor immediately, described preset signals includes but not limited to the identification information of high level signal and/or receiver.Such as, when each infrared remote receiver receives infrared light, all send high level signal to processor, or all send the identification information of this receiver to processor.
It should be noted that, described at least two infrared remote receivers disclosed in the present embodiment can in any geometric relationship arrangement, as long as when user's palm makes specific action, by the two or more infrared remote receivers in described at least two infrared remote receivers, the time receiving infrared light can be distinguished and come.Such as, at least two infrared remote receivers can be distribution, left and right distribution, matts distribution, Triangle-Profile, rhombus distribution etc. up and down.Such as in up and down distribution can obtain respectively described user's palm up and down action message, in left and right, distribution can obtain described user's palm action message and to the right respectively left, and matts distribution, Triangle-Profile or rhombus distribution can obtain described user's palm action message etc., up and down respectively left to the right.
Described processor 105, for obtaining the action message of described user's palm according to the sequencing of the described preset signals received from described at least two pieces of infrared remote receivers in a time window.
If when described processor 105 receives the preset signals of infrared remote receiver transmission, the identification information of record time of reception and receiver, according to the sequencing of time of reception, the infrared remote receiver sending preset signals is sorted, if it is identical or within preset duration scope to receive time of preset signals from two or more infrared remote receiver, then think that this two or more infrared remote receiver sequence sequence number is identical, the action message of described user's palm is obtained according to the sequencing of the described preset signals received from described at least two pieces of infrared remote receivers in a time window.
The technical scheme of the present embodiment receives the infrared light returned by user's palmar in the infrared light of infrared transmitter transmitting by least two pieces of infrared remote receivers, and send preset signals to processor, described processor obtains the action message of described user's palm according to the sequencing of the described preset signals received from described at least two pieces of infrared remote receivers in a time window, gesture identification can be carried out under any light condition, and reduce the equipment power dissipation of gesture identification.
Embodiment two
On the basis of embodiment one, described at least two infrared remote receivers disclosed in the present embodiment the present embodiment comprise the first infrared remote receiver being positioned at the upper left corner, be positioned at second infrared remote receiver in the upper right corner, be positioned at the 3rd infrared remote receiver in the lower left corner, and be positioned at the 4th infrared remote receiver in the lower right corner.The arrangement form of described at least two infrared remote receivers can be multiple, can be random geometry arrangement, as long as comprise the first infrared remote receiver being positioned at the upper left corner, be positioned at second infrared remote receiver in the upper right corner, be positioned at the 3rd infrared remote receiver in the lower left corner, and be positioned at the 4th infrared remote receiver in the lower right corner.
Fig. 2 is the one in the distribution schematic diagram of infrared remote receiver in the infrared gesture recognition described in the present embodiment, and as shown in Figure 2, wherein A is the first infrared remote receiver, and B is the second infrared remote receiver, and C is the 3rd infrared remote receiver, and D is the 4th infrared remote receiver.
Based on described first infrared remote receiver A, the second infrared remote receiver B, the 3rd infrared remote receiver C and the 4th infrared remote receiver D disclosed in the present embodiment, described processor is specifically for performing the operation described in following at least one item:
If receive the time of described preset signals from described first infrared remote receiver A prior to receiving the time of described preset signals from described second infrared remote receiver B, and both mistimings are within the scope of preset duration, then judge that user's palm action is as from left to right;
If be later than the time receiving described preset signals from described second infrared remote receiver B from the time that described first infrared remote receiver A receives described preset signals, and both mistimings are within the scope of preset duration, then judge that user's palm action is as from right to left;
If receive the time of described preset signals from described first infrared remote receiver A prior to receiving the time of described preset signals from described 3rd infrared remote receiver C, and both mistimings are within the scope of preset duration, then judge that user's palm action is as from the top down;
If be later than the time receiving described preset signals from described 3rd infrared remote receiver C from the time that described first infrared remote receiver A receives described preset signals, and both mistimings are within the scope of preset duration, then judge that user's palm action is as from bottom to top;
If receive the time of described preset signals from described first infrared remote receiver A early than the time receiving described preset signals from described 4th infrared remote receiver D, and from described second infrared remote receiver B and the time receiving described preset signals from described 3rd infrared remote receiver C, be later than and receive the time of described preset signals from described first infrared remote receiver A and early than the time receiving described preset signals from described 4th infrared remote receiver D, then judge that user's palm action is as from the upper left corner to the lower right corner;
If be later than the time receiving described preset signals from described 4th infrared remote receiver D from the time that described first infrared remote receiver A receives described preset signals, and from described second infrared remote receiver B and the time receiving described preset signals from described 3rd infrared remote receiver C, early than receiving the time of described preset signals from described first infrared remote receiver A and being later than the time receiving described preset signals from described 4th infrared remote receiver D, then judge that user's palm action is as from the lower right corner to the upper left corner;
If receive the time of described preset signals from described second infrared remote receiver B early than the time receiving described preset signals from described 3rd infrared remote receiver C, and from described first infrared remote receiver A and the time receiving described preset signals from described 4th infrared remote receiver D, be later than and receive the time of described preset signals from described second infrared remote receiver B and early than the time receiving described preset signals from described 3rd infrared remote receiver C, then judge that user's palm action is as the inferior horn left from the upper right corner;
If be later than the time receiving described preset signals from described 3rd infrared remote receiver C from the time that described second infrared remote receiver B receives described preset signals, and from described first infrared remote receiver A and the time receiving described preset signals from described 4th infrared remote receiver D, early than receiving the time of described preset signals from described second infrared remote receiver B and being later than the time receiving described preset signals from described 3rd infrared remote receiver C, then judge that user's palm action is as from the lower left corner to the upper right corner.
Above-mentioned judgement user palm action can obtain user's palm with the action message in described four parallel plane planes in infrared remote receiver place, in order to obtain more palm action information, user's palm also can be obtained in the action message with plane orthogonal direction, described four infrared remote receiver places.
Such as, when one piece of infrared remote receiver any in described at least two pieces of infrared remote receivers receives infrared light, this infrared remote receiver, also the real-time strength signal by the infrared light of reception sends to described processor; Described processor, also for according to the sequencing of the described preset signals received from described at least two pieces of infrared remote receivers in a time window and described strength signal, obtains the action message of described user's palm.
Wherein, the strength signal of described infrared light can be the intensity level of described infrared light, also the intensity of infrared light can be carried out classification according to preset algorithm, using the strength signal of the infrared light that the intensity rank of described infrared light receives as described infrared remote receiver.
As preferably, described processor, also for according to the sequencing of the described preset signals received from described at least two pieces of infrared remote receivers in a time window and described strength signal, obtains the action message of described user's palm, specifically comprises:
If the time of the described preset signals received from described at least two pieces of infrared remote receivers is identical, and within the scope of preset duration, if the intensity of arbitrary infrared remote receiver reception infrared light diminishes gradually in described at least two pieces of infrared remote receivers, then judge that user's palm action is as near to far;
If the time of the described preset signals received from described at least two pieces of infrared remote receivers is identical, and within the scope of preset duration, if the intensity of arbitrary infrared remote receiver reception infrared light becomes large gradually in described at least two pieces of infrared remote receivers, then judge that user's palm action is as from far near.
Further, described processor also for, after obtaining the action message of described user's palm according to the sequencing of the described preset signals received from described at least two pieces of infrared remote receivers in a time window, the action message according to described user's palm carries out gesture identification to described user's palm.
Such as, for video camera, according to the action message of described user's palm, gesture identification is carried out to described user's palm and can comprise situation as the next item down or more than one.
If judge, user's palm action is as from left to right, then determine to recognize to control the dextrorotary gesture of camera;
If judge, user's palm action is as from right to left, then determine to recognize to control the gesture of camera to anticlockwise;
If judge, user's palm action is as from the top down, then determine to recognize the gesture controlling camera and be rotated down;
If judge, user's palm action is as from bottom to top, then determine to recognize the gesture controlling camera and rotate up;
If judge, user's palm action is as from the upper left corner to the lower right corner, then determine to recognize the gesture controlling camera and rotate to the lower right corner;
If judge, user's palm action is as from the lower right corner to the upper left corner, then determine to recognize the gesture controlling camera and rotate to the upper left corner;
If judge, user's palm action is as the inferior horn left from the upper right corner, then determine to recognize to control the camera gesture that rotates of inferior horn left;
If judge, user's palm action is as from the lower left corner to the upper right corner, then determine to recognize the gesture controlling camera and rotate to the upper right corner;
If judge, user's palm action is as near to far, then determine to recognize to control the gesture that cam lens turns focal length down;
If judge, user's palm action is as from far near, then determine to recognize to control the gesture that cam lens tunes up focal length.
The technical scheme of the present embodiment is on the basis of embodiment one, for video camera, further disclose when described at least two infrared remote receivers comprise the first infrared remote receiver being positioned at the upper left corner, be positioned at second infrared remote receiver in the upper right corner, be positioned at the 3rd infrared remote receiver in the lower left corner, and when being positioned at the 4th infrared remote receiver in the lower right corner, the time order and function order how receiving described preset signals according to these four infrared remote receivers obtains the action message of user's palm, and after the action message obtaining described user's palm, how according to the action message of described user's palm, described user's palm is carried out to the method for gesture identification, specifically can solve video camera and cannot carry out gesture identification under dark condition, and the problem that gesture identification causes equipment power dissipation too high.
Embodiment three
Fig. 3 is the image capture method process flow diagram described in the present embodiment, and as shown in Figure 3, the image capture method described in the present embodiment comprises:
Step S301, the infrared gesture recognition passed through in a time window as described in embodiment one or embodiment two obtain the action message of user's palm.
The default control instruction that step S302, acquisition and described action message match.
Obtain the default control instruction matched with described action message and can comprise multiple method, such as described action message can be carried out matching operation according to preset algorithm, obtain the default control instruction matched with described action message, and for example, also can obtain the default correspondence table comprising action message and default control instruction, from described default correspondence table, search the default control instruction corresponding with described action message.
Step S303, the rotating camera controlling video camera according to described default control instruction carry out shooting adjustment.
The technical scheme of the present embodiment obtains the action message of user's palm by the infrared gesture recognition as described in embodiment one or embodiment two, obtain the default control instruction matched with described action message, the rotating camera controlling video camera according to described default control instruction carries out shooting adjustment, specifically can solve video camera and cannot carry out gesture identification under dark condition, and the problem that gesture identification causes equipment power dissipation too high.
Embodiment four
Fig. 4 is the image capture method process flow diagram described in the present embodiment, and as shown in Figure 4, the image capture method described in the present embodiment comprises:
Step S401, in a time window, obtained the action message of user's palm by infrared gesture recognition.
Step S402, obtain the default correspondence table comprising action message and default control instruction.
Such as, described default correspondence table can comprise following at least one item:
User's palm action is from left to right, corresponds to and controls camera to right rotation;
User's palm action is from right to left, corresponds to and controls camera to anticlockwise;
User's palm action is from the top down, corresponds to control camera and is rotated down;
User's palm action is from bottom to top, corresponds to control camera and rotates up;
User's palm action is from the upper left corner to the lower right corner, corresponds to control camera and rotates to the lower right corner;
User's palm action is from the lower right corner to the upper left corner, corresponds to control camera and rotates to the upper left corner;
User's palm action is inferior horn left from the upper right corner, correspond to control camera left inferior horn rotate;
User's palm action is from the lower left corner to the upper right corner, corresponds to control camera and rotates to the upper right corner;
User's palm action is near to far, corresponds to control cam lens and turns focal length down;
User's palm action is from far near, corresponds to control cam lens and tunes up focal length.
Step S403, from described default correspondence table search the default control instruction corresponding with described action message.
Step S404, the rotating camera controlling video camera according to described default control instruction carry out shooting adjustment.
The described rotating camera according to described default control instruction control video camera is carried out shooting adjustment and is specifically comprised:
Control the first stepping motor operations of described video camera according to described default control instruction, to drive described rotating camera to carry out adjustment of finding a view, wherein said first step motor is connected with described rotating camera; And/or
Control the second stepping motor operations of described video camera according to described default control instruction, to drive described rotating camera to carry out Focussing, wherein said second step motor is connected with the camera lens of described rotating camera.
The present embodiment is on the basis of embodiment three, ground one step discloses the default control instruction that a kind of acquisition matches with described action message, and further disclose two kinds are carried out shooting adjustment method according to the rotating camera of described default control instruction control video camera, shooting can be carried out especially by infrared gesture and control.
Embodiment five
Fig. 5 is the structured flowchart of the camera head described in the present embodiment, and as shown in Figure 5, the camera head described in the present embodiment comprises:
Action message acquiring unit 501, in a time window by the action message of described infrared gesture recognition acquisition user palm as arbitrary in claim 1-4;
Steering order acquiring unit 502, for obtaining the default control instruction matched with described action message;
Shooting adjustment unit 503, the rotating camera for controlling described video camera according to described default control instruction carries out shooting adjustment.
Further, described shooting adjustment unit 503 specifically for:
Control the first stepping motor operations of described video camera according to described default control instruction, adjust to drive to carry out finding a view with described rotating camera, wherein said first step motor is connected with described rotating camera; And/or
Control the second stepping motor operations of described video camera according to described default control instruction, carry out Focussing to drive with described rotating camera, wherein said second step motor is connected with the camera lens of described rotating camera.
Further, described steering order acquiring unit 502 specifically for:
Obtain the default correspondence table comprising action message and default control instruction;
The default control instruction corresponding with described action message is searched from described default correspondence table.
Further, described default correspondence table comprises following at least one item:
User's palm action is correspond to from left to right to control camera to right rotation;
User's palm action is correspond to from right to left to control camera to anticlockwise;
User's palm action is rotated down for corresponding to control camera from the top down;
User's palm action rotates up for corresponding to control camera from bottom to top;
User's palm action rotates to the lower right corner for corresponding to control camera from the upper left corner to the lower right corner;
User's palm action rotates to the upper left corner for corresponding to control camera from the lower right corner to the upper left corner;
User's palm action is that inferior horn corresponds to the inferior horn rotation left of control camera left from the upper right corner;
User's palm action rotates to the upper right corner for corresponding to control camera from the lower left corner to the upper right corner;
User's palm action turns focal length down for corresponding to control cam lens near to far;
User's palm action tunes up focal length for corresponding to control cam lens from far near.
The camera head that the present embodiment provides can perform the image capture method that the embodiment of the present invention three and embodiment four provide, and possesses the corresponding functional module of manner of execution and beneficial effect.
Embodiment six
Fig. 6 is the structured flowchart of the video camera described in the present embodiment, and as shown in Figure 6, the video camera described in the present embodiment comprises:
Rotating camera 605, motor 604, wherein said rotating camera 605 is connected with described motor 604;
Infrared gesture recognition 601 as described in embodiment one or embodiment two, for obtaining the action message of user's palm in a time window, sends to described action message control module 602 of finding a view;
Described control module 602 of finding a view, for obtaining described action message, from the default correspondence table comprising action message and default control instruction, search the default control instruction corresponding with described action message, described default control instruction is sent to motor 604 control module;
Described motor control module 603 works for controlling described motor 604 according to described default control instruction, drives described camera 605 to carry out shooting adjustment to make described motor 604.
Further, described motor 604 comprises the first step motor and the second step motor, and described first step motor is connected with described rotating camera 605, and described second step motor is connected with the camera lens of described rotating camera 605;
Described motor control module 603 specifically for:
Control described first stepping motor operations according to described default control instruction, adjust to drive to carry out finding a view with described rotating camera 605;
Control described second stepping motor operations according to described default control instruction, carry out Focussing to drive with described rotating camera 605.
The video camera that the present embodiment provides comprises the infrared gesture recognition that the embodiment of the present invention one and embodiment two provide, and possesses the beneficial effect of infrared gesture recognition; And the image capture method that the embodiment of the present invention three and embodiment four provide can be performed, possess the corresponding functional module of manner of execution and beneficial effect.
Partial content in the technical scheme that above embodiment provides can be realized by software programming, and its software program is stored in the storage medium that can read, storage medium such as: the hard disk in computing machine, CD or floppy disk.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (15)
1. an infrared gesture recognition, is characterized in that, comprising:
Infrared transmitter, for launching infrared light;
At least two pieces of infrared remote receivers, for receiving by the infrared light that user's palmar returns in described infrared light, and send preset signals to processor;
Described processor, for obtaining the action message of described user's palm according to the sequencing of the described preset signals received from described at least two pieces of infrared remote receivers in a time window.
2. infrared gesture recognition as claimed in claim 1, it is characterized in that, the first infrared remote receiver being positioned at the upper left corner is at least comprised in described at least two pieces of infrared remote receivers, be positioned at second infrared remote receiver in the upper right corner, be positioned at the 3rd infrared remote receiver in the lower left corner, and be positioned at the 4th infrared remote receiver in the lower right corner;
Described processor is specifically for performing the operation described in following at least one item:
If receive the time of described preset signals from described first infrared remote receiver prior to receiving the time of described preset signals from described second infrared remote receiver, and both mistimings are within the scope of preset duration, then judge that user's palm action is as from left to right;
If be later than the time receiving described preset signals from described second infrared remote receiver from the time that described first infrared remote receiver receives described preset signals, and both mistimings are within the scope of preset duration, then judge that user's palm action is as from right to left;
If receive the time of described preset signals from described first infrared remote receiver prior to receiving the time of described preset signals from described 3rd infrared remote receiver, and both mistimings are within the scope of preset duration, then judge that user's palm action is as from the top down;
If be later than the time receiving described preset signals from described 3rd infrared remote receiver from the time that described first infrared remote receiver receives described preset signals, and both mistimings are within the scope of preset duration, then judge that user's palm action is as from bottom to top;
If receive the time of described preset signals from described first infrared remote receiver early than the time receiving described preset signals from described 4th infrared remote receiver, and from described second infrared remote receiver and the time receiving described preset signals from described 3rd infrared remote receiver, be later than and receive the time of described preset signals from described first infrared remote receiver and early than the time receiving described preset signals from described 4th infrared remote receiver, then judge that user's palm action is as from the upper left corner to the lower right corner;
If be later than the time receiving described preset signals from described 4th infrared remote receiver from the time that described first infrared remote receiver receives described preset signals, and from described second infrared remote receiver and the time receiving described preset signals from described 3rd infrared remote receiver, be later than the time receiving described preset signals from described 4th infrared remote receiver early than the time receiving described preset signals from described first infrared remote receiver, then judge that user's palm action is as from the lower right corner to the upper left corner;
If receive the time of described preset signals from described second infrared remote receiver early than the time receiving described preset signals from described 3rd infrared remote receiver, and from described first infrared remote receiver and the time receiving described preset signals from described 4th infrared remote receiver, be later than and receive the time of described preset signals from described second infrared remote receiver and early than the time receiving described preset signals from described 3rd infrared remote receiver, then judge that user's palm action is as the inferior horn left from the upper right corner;
If be later than the time receiving described preset signals from described 3rd infrared remote receiver from the time that described second infrared remote receiver receives described preset signals, and from described first infrared remote receiver and the time receiving described preset signals from described 4th infrared remote receiver, be later than the time receiving described preset signals from described 3rd infrared remote receiver early than the time receiving described preset signals from described second infrared remote receiver, then judge that user's palm action is as from the lower left corner to the upper right corner.
3. infrared gesture recognition as claimed in claim 1 or 2, is characterized in that:
Described at least two pieces of infrared remote receivers, also send to described processor for the real-time strength signal by the infrared light of reception;
Described processor, also for according to the sequencing of the described preset signals received from described at least two pieces of infrared remote receivers in a time window and described strength signal, obtains the action message of described user's palm.
4. infrared gesture recognition as claimed in claim 3, it is characterized in that, described processor is also for according to the sequencing of the described preset signals received from described at least two pieces of infrared remote receivers in a time window and described strength signal, obtain the action message of described user's palm, specifically comprise:
If the time of the described preset signals received from described at least two pieces of infrared remote receivers is identical, and within the scope of preset duration, if the intensity of arbitrary infrared remote receiver reception infrared light diminishes gradually in described at least two pieces of infrared remote receivers, then judge that user's palm action is as near to far;
If the time of the described preset signals received from described at least two pieces of infrared remote receivers is identical, and within the scope of preset duration, if the intensity of arbitrary infrared remote receiver reception infrared light becomes large gradually in described at least two pieces of infrared remote receivers, then judge that user's palm action is as from far near.
5. infrared gesture recognition as claimed in claim 1, it is characterized in that, described processor also for, after obtaining the action message of described user's palm according to the sequencing of the described preset signals received from described at least two pieces of infrared remote receivers in a time window, the action message according to described user's palm carries out gesture identification to described user's palm.
6. an image capture method, is characterized in that, comprising:
By the action message of described infrared gesture recognition acquisition user palm as arbitrary in claim 1-4 in a time window;
Obtain the default control instruction matched with described action message;
The rotating camera controlling video camera according to described default control instruction carries out shooting adjustment.
7. image capture method as claimed in claim 6, is characterized in that, the described rotating camera according to described default control instruction control video camera is carried out shooting adjustment and specifically comprised:
Control the first stepping motor operations of described video camera according to described default control instruction, to drive described rotating camera to carry out adjustment of finding a view, wherein said first step motor is connected with described rotating camera; And/or
Control the second stepping motor operations of described video camera according to described default control instruction, to drive described rotating camera to carry out Focussing, wherein said second step motor is connected with the camera lens of described rotating camera.
8. image capture method as claimed in claim 6, is characterized in that, the operation obtaining the default control instruction matched with described action message specifically comprises:
Obtain the default correspondence table comprising action message and default control instruction;
The default control instruction corresponding with described action message is searched from described default correspondence table.
9. image capture method as claimed in claim 8, is characterized in that, described default correspondence table comprises following at least one item:
User's palm action is from left to right, corresponds to and controls camera to right rotation;
User's palm action is from right to left, corresponds to and controls camera to anticlockwise;
User's palm action is from the top down, corresponds to control camera and is rotated down;
User's palm action is from bottom to top, corresponds to control camera and rotates up;
User's palm action is from the upper left corner to the lower right corner, corresponds to control camera and rotates to the lower right corner;
User's palm action is from the lower right corner to the upper left corner, corresponds to control camera and rotates to the upper left corner;
User's palm action is inferior horn left from the upper right corner, correspond to control camera left inferior horn rotate;
User's palm action is from the lower left corner to the upper right corner, corresponds to control camera and rotates to the upper right corner;
User's palm action is near to far, corresponds to control cam lens and turns focal length down;
User's palm action is from far near, corresponds to control cam lens and tunes up focal length.
10. a camera head, is characterized in that, comprising:
Action message acquiring unit, in a time window by the action message of described infrared gesture recognition acquisition user palm as arbitrary in claim 1-4;
Steering order acquiring unit, for obtaining the default control instruction matched with described action message;
Shooting adjustment unit, the rotating camera for controlling described video camera according to described default control instruction carries out shooting adjustment.
11. camera heads as claimed in claim 10, is characterized in that, described shooting adjustment unit specifically for:
Control the first stepping motor operations of described video camera according to described default control instruction, adjust to drive to carry out finding a view with described rotating camera, wherein said first step motor is connected with described rotating camera; And/or
Control the second stepping motor operations of described video camera according to described default control instruction, carry out Focussing to drive with described rotating camera, wherein said second step motor is connected with the camera lens of described rotating camera.
12. camera heads as claimed in claim 10, is characterized in that, described steering order acquiring unit specifically for:
Obtain the default correspondence table comprising action message and default control instruction;
The default control instruction corresponding with described action message is searched from described default correspondence table.
13. camera heads as claimed in claim 12, is characterized in that, described default correspondence table comprises following at least one item:
User's palm action is correspond to from left to right to control camera to right rotation;
User's palm action is correspond to from right to left to control camera to anticlockwise;
User's palm action is rotated down for corresponding to control camera from the top down;
User's palm action rotates up for corresponding to control camera from bottom to top;
User's palm action rotates to the lower right corner for corresponding to control camera from the upper left corner to the lower right corner;
User's palm action rotates to the upper left corner for corresponding to control camera from the lower right corner to the upper left corner;
User's palm action is that inferior horn corresponds to the inferior horn rotation left of control camera left from the upper right corner;
User's palm action rotates to the upper right corner for corresponding to control camera from the lower left corner to the upper right corner;
User's palm action turns focal length down for corresponding to control cam lens near to far;
User's palm action tunes up focal length for corresponding to control cam lens from far near.
14. 1 kinds of video cameras, is characterized in that, comprising:
Rotating camera, motor, wherein said rotating camera is connected with described motor;
Infrared gesture recognition as described in as arbitrary in claim 1-4, for obtaining the action message of user's palm in a time window, sends to described action message control module of finding a view;
Described control module of finding a view, for obtaining described action message, from the default correspondence table comprising action message and default control instruction, searching the default control instruction corresponding with described action message, described default control instruction is sent to motor control module;
Described motor control module is used for controlling described motor operations according to described default control instruction, carries out shooting adjustment to make camera described in described motor driving.
15. video cameras as claimed in claim 14, it is characterized in that, described motor comprises the first step motor and the second step motor, and described first step motor is connected with described rotating camera, and described second step motor is connected with the camera lens of described rotating camera;
Described motor control module specifically for:
Control described first stepping motor operations according to described default control instruction, adjust to drive to carry out finding a view with described rotating camera;
Control described second stepping motor operations according to described default control instruction, carry out Focussing to drive with described rotating camera.
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