CN102223518A - Stereoscopic digital imaging monitoring system and stereoscopic digital imaging monitoring method - Google Patents
Stereoscopic digital imaging monitoring system and stereoscopic digital imaging monitoring method Download PDFInfo
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- CN102223518A CN102223518A CN2010101467817A CN201010146781A CN102223518A CN 102223518 A CN102223518 A CN 102223518A CN 2010101467817 A CN2010101467817 A CN 2010101467817A CN 201010146781 A CN201010146781 A CN 201010146781A CN 102223518 A CN102223518 A CN 102223518A
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Abstract
The invention relates to a stereoscopic digital imaging monitoring system and a method thereof; the system comprises a twin-lens camera, an image processing device and a display device; the image processing device comprises an image compression unit and a storage unit; the twin-lens camera can capture two frames of left and right scene images containing visual depth information at the same monitoring site through left and right lenses; an image compression unit compresses the two frames of left and right scene images and stores the two frames of left and right scene images into a storage unit. When an accident occurrs at the monitoring site, a manager can call a video compression image and restore the video compression image into a stereoscopic digital imaging frame to be played on the display device, so that the manager can clearly know the condition of the accident at the monitoring site and recognize the occurrence factors or accident liability of the accident.
Description
Technical field
The present invention relates to a kind of image monitoring and method, particularly about a kind of three-dimensional (3D) digitized video supervisory control system and method.
Background technology
The conventional digital image monitoring only uses general video camera to take monitoring on-the-spot digitized video.Because not in conjunction with interpupillary distance formula bicamera, so the image that the conventional digital image monitoring absorbed is two dimension (2D) digitized video, only can provide one group of plane to show and do not have the scene image of stereoscopic depth visual effect.This kind two-dimensional digital image can't produce the effect as taking place as the scene incident of watching.In addition owing to also difficultly from the two dimensional surface image judge whether adjacent two articles overlaps together, or the interval one section space distance.Therefore, the case of incident generation cause and effect or accident factor took place much can't can't differentiate because of presentation content is unclear in conventional digital image monitoring in the use.
Summary of the invention
In view of above content, be necessary to provide a kind of 3-dimensional digital image monitoring and method, can allow administrative staff be well understood to the on-the-spot unexpected situation that takes place of monitoring, and then tell the occurrence factor or the accident responsibility of unexpected situation.
Described 3-dimensional digital image monitoring comprises bicamera, image processor and display device.This image processor comprises image compression unit and memory cell, and this image compression unit comprises: the left and right sides camera lens that the image input module is used to control bicamera at monitoring on-the-spot carry out simultaneously left and right sides picture photographing absorb contain the vision depth of view information about two frame scene images; The image analysing computer module is used to adopt the spatial axes image processing mode to carry out the image comparative analysis at two frame scene images about each time point absorbed, two frame scene images contain identical part or the approaching same image information partly of content about filtering out, and have difference difference image information partly about analyzing in the two frame scene images; The image compression module is used for same image information and difference image information are merged the left and right sides compressing image that produces each time point, adopt time shaft video image compress mode to carry out the video signal compressing image that the time shaft video image is compressed into different time points, and the video signal compressing image of different time points is stored in the memory cell at left and right sides compressing image; The image output module is used for choosing the time point of the on-the-spot situation that meets accident of monitoring when the monitoring scene meets accident situation, and from memory cell, read the video signal compressing image of this time point, the video signal compressing image decompress(ion) of this time point contractd is reduced to the 3 D digital image frame, this 3 D digital image frame is sent to display device plays.
Described 3-dimensional digital imaging monitoring method utilizes bicamera to monitor monitoring the scene.The method comprising the steps of: the left and right sides camera lens of control bicamera at monitoring on-the-spot carry out simultaneously left and right sides picture photographing absorb contain the vision depth of view information about two frame scene images; Adopt the spatial axes image processing mode to carry out the image comparative analysis at two frame scene images about each time point absorbed; Two frame scene images contain identical part or the approaching same image information partly of content about filtering out, and have difference difference image information partly about analyzing in the two frame scene images; Same image information and difference image information are merged the left and right sides compressing image that produces each time point; Adopt time shaft video image compress mode to carry out the video signal compressing image that the time shaft video image is compressed into different time points at left and right sides compressing image; The video signal compressing image of different time points is stored in the memory cell; When the monitoring scene meets accident situation, choose the time point of the on-the-spot situation that meets accident of monitoring, and from memory cell, read the video signal compressing image of this time point; The video signal compressing image decompress(ion) of this time point contractd be reduced to the 3 D digital image frame; This 3 D digital image frame is sent to display device to be play.
Compared to prior art, 3-dimensional digital image monitoring of the present invention and method are carried out 3-dimensional image shooting and compression storage by the left and right sides camera lens of bicamera at same monitoring scene, reduce the memory space of required stored images information.When the monitoring scene met accident situation, the manager can call the video signal compressing image and be reduced to the 3 D digital image and play from memory cell.
Description of drawings
Fig. 1 is the Organization Chart of 3-dimensional digital image monitoring of the present invention preferred embodiment.
Fig. 2 is the flow chart of 3-dimensional digital imaging monitoring method of the present invention preferred embodiment.
Fig. 3 be with about the two frame scene images schematic diagram that carries out image compression.
The main element symbol description
Image analysing computer module 212
Embodiment
As shown in Figure 1, be the Organization Chart of three-dimensional of the present invention (3D) digitized video supervisory control system preferred embodiment.In the present embodiment, this 3-dimensional digital image monitoring comprises bicamera 1, image processor 2 and display device 3 at least.Described bicamera 1 is a kind of interpupillary distance formula bicamera 1, be used for carrying out filming image at the on-the-spot Same Scene angle of monitoring by its left and right sides camera lens, picked-up contain the vision depth of view information about two frame scene images.About this two frame scene images be separate about a kind of, anthropomorphic dummy's eye pupil pitch-row from and have a 3D stereopsis of parallax, left image A for example shown in Figure 3 and right image B.
Described image processor 2 is used for the 3D stereopsis that bicamera 1 is absorbed is compressed and is stored as the image packed data.When the monitoring scene meets accident situation, the time that this image processor 2 takes place according to situation is read unexpected situation generation image packed data at that time, this image packed data is reduced into the 3D stereopsis that bicamera 1 is absorbed, and this 3D stereopsis is sent to display device 3 plays.In the present embodiment, this image processor 2 is computing equipments of a kind of 3D of having stereopsis processing capacity, for example personal computer (PC), server (Server) etc.
Described display device 3 is 3D video displays of a kind of 3D of broadcast three-dimensional digit image frame, and it is used to play 3D stereopsis picture.The manager is by wearing the 3D digitized video picture that the 3D glasses watch display device 3 to play, so administrative staff can be well understood to the on-the-spot unexpected situation that takes place of monitoring, and then tells the occurrence factor or the accident responsibility of unexpected situation.For example when case is blasted at the monitoring scene, at that time situation takes place except understanding blast in the 3D stereopsis picture of playing by display device 3, and can infer from the separation of fragments direction that 3D stereopsis picture presents and the blast occurrence positions.When for example being applied to the fire generation scene or the traffic accident scene of the accident again, infer point of origin or seek the accident reason also have help to a certain degree from the 3D stereopsis picture that display device 3 is play.
Described image processor 2 comprises image compression unit 21, microprocessor 22 and memory cell 23.This image compression unit 21 comprises image input module 211, image analysing computer module 212, image compression module 213 and image output module 214.The alleged module of the present invention is a kind of computer program code segments that can be carried out and can finish specific function by microprocessor 22, be more suitable in describing the implementation of software in microprocessor 22 than program, therefore below the present invention to all describing in the software description with module.Described memory cell 23 is used for 3D image packed data, compressing image C for example shown in Figure 3.
Described image input module 211 be used to control bicamera 1 at the monitoring scene carry out simultaneously left and right sides picture photographing absorb about two frame scene images, left image A for example shown in Figure 3 and right image B.Because the left and right sides camera lens of bicamera 1 has visual angle difference, therefore the monitoring field image by its left and right sides lens shooting is the 3D stereopsis that two frames are seen in real world as human eye vision.Though this bicamera 1 can provide comparatively clearly image frame, captured digital image information of same time is doubled, thereby increased the image store space.
Described image analysing computer module 212 is used to adopt the spatial axes image processing mode to carry out the image comparative analysis at two frame scene images about each time point absorbed, two frame scene images contain identical part or the approaching same image information partly of content about filtering out, and have difference difference image information partly about analyzing in the two frame scene images.Described spatial axes image processing mode can carry out the image comparative analysis with two frame scene images about same time point, with about contain identical part or content in the two frame scene images and leach near image information partly and merge, residue difference out of Memory partly is a storage change image information then.This spatial axes image processing mode can be avoided a large amount of repeated storage of identical data, can save the required memory space of 3D stereopsis, so memory cell 23 can be deposited more image data.
Described image compression module 213 is used for same image information and difference image information are merged the left and right sides compressing image that produces each time point, adopt time shaft video image compress mode to carry out the video signal compressing image that the time shaft video image is compressed into different time points, and the video signal compressing image of different time points is stored in the memory cell 23 at left and right sides compressing image.With reference to shown in Figure 3, when image compression module 213 finish the same time about after the two frame scene image space compression, image compression module 213 carries out the compression of time shaft video image according to time shaft video image compress mode with the left and right sides compressing image of different time again.Described time shaft video image compress mode be from the compressing image of the left and right sides every fixing or interval shadow lattice (Frame) of selecting of on-fixed as benchmark shadow lattice, all image informations of these benchmark shadow lattice are stored as the compression benchmark, each other shadow lattice between two benchmark shadow lattice are then only stored the image variation different information with last benchmark shadow compartment, thereby have further reduced the memory space of required stored images information.
Described image output module 214 is used for choosing the time point of the on-the-spot situation that meets accident of monitoring when the monitoring scene meets accident situation, and from memory cell 23, read the video signal compressing image of this time point, the video signal compressing image decompress(ion) of this time point contractd be reduced to 3D three-dimensional digit image, this 3D three-dimensional digit image is sent to display device 3, and on display device 3, plays this 3D three-dimensional digit image frame.In the present embodiment, when the monitoring scene meets accident situation, the manager can choose this time point by image output module 214 according to the time that unexpected situation takes place, video signal compressing image data at that time take place in the unexpected situation of image output module 214 can accessing from memory cell 23, this video signal compressing image is carried out decompress(ion) contract and be reduced to 3D three-dimensional digit image.Then, image output module 214 is sent to the display device 3 that can play 3D three-dimensional digit image frame with the 3D three-dimensional digit image of this time point and plays.At this moment, the 3D digitized video picture that the manager can use the 3D glasses to watch display device 3 to play, so administrative staff can be well understood to the on-the-spot unexpected situation that takes place of monitoring, and then tell the occurrence factor or the accident responsibility of unexpected situation.
As shown in Figure 2, be the flow chart of 3D digitized video method for supervising of the present invention preferred embodiment.Step S20, image input module 211 control bicameras 1 at the monitoring scene carry out simultaneously left and right sides picture photographing absorb about two frame scene images, left image A for example shown in Figure 3 and right image B.Since the monitoring live view of bicamera 1 by its left and right sides lens shooting be about two frame scene images, it is as the 3D stereopsis of human eye vision seen in the real world, because Same Scene is taken by bicamera 1, two captured frame scene images of its left and right sides camera lens are understood some angle difference a little.Therefore, though bicamera 1 can provide more clearly image frame, captured digital image information of same time is doubled, thereby increased the image store space.
Step S21, image analysing computer module 212 adopts the spatial axes image processing mode to carry out the image comparative analysis at two frame scene images about each time point absorbed.In the present embodiment, image analysing computer module 212 can continue with the spatial axes image processing mode at the same time about two frame scene images carry out the image comparative analysis.Step S22, two frame scene images contained identical part or the approaching same image information partly of content about image analysing computer module 212 filtered out according to the comparative analysis result, and had difference difference image information partly about analyzing in the two frame scene images.In the present embodiment, image analysing computer module 212 contains identical part or content according to the comparative analysis result with two images and leaches near image information partly and merge, and only storage residue difference variation image information partly.This spatial axes image processing mode can be avoided a large amount of repeated storage of identical data, thereby saves the required memory space of 3D stereopsis, and memory cell 23 also can be deposited more image data thus.
Step S23, image compression module 213 merges the left and right sides compressing image that produces each time point with same image information and difference image information.Step S24, image compression module 213 adopt time shaft video image compress mode to carry out the video signal compressing image that the time shaft video image is compressed into different time points at left and right sides compressing image.With reference to shown in Figure 3, when image compression module 213 finish the same time about after the two frame scene image space compression, image compression module 213 carries out the compression of time shaft video image according to time shaft video image compress mode with the left and right sides compressing image of different time again.Described time shaft video image compress mode be from the compressing image of the left and right sides every fixing or on-fixed is interval selects shadow lattice as benchmark shadow lattice, all image informations of these benchmark shadow lattice are stored as the compression benchmark, and preserve variation difference image information between shadow lattice between the two benchmark shadow lattice and last benchmark shadow lattice, thereby further reduce the memory space of required stored images information.Step S25, image compression module 213 is stored in the video signal compressing image of different time points in the memory cell 23.
Step S26, when the monitoring scene met accident situation, the manager chose the time point of the on-the-spot situation that meets accident of monitoring by image output module 214, and read the video signal compressing image of this time point from memory cell 23.Step S27, image output module 214 contract the video signal compressing image decompress(ion) of this time point and are reduced to 3D three-dimensional digit image.Step S28, image output module 214 is sent to display device 3 with this 3D three-dimensional digit image, and plays this 3D three-dimensional digit image frame on display device 3.In the present embodiment, when the monitoring scene meets accident situation, the manager can choose this time point by image output module 214 by unexpected situation time of origin, video signal compressing image data at that time take place in the unexpected situation of image output module 214 can accessing from memory cell 23, this video signal compressing image is carried out decompress(ion) contract and be reduced to 3D three-dimensional digit image.Then, image output module 214 is sent to the display device 3 that can play 3D three-dimensional digit image frame with the 3D three-dimensional digit image of this time point and plays.At this moment, the 3D digitized video picture of manager's cocoa to use the 3D glasses to watch display device 3 to play, so administrative staff can be well understood to the on-the-spot unexpected situation that takes place of monitoring, and then tell the occurrence factor or the accident responsibility of unexpected situation.
Claims (10)
1. 3-dimensional digital image monitoring, this system comprises bicamera, image processor and display device, and this image processor comprises image compression unit and memory cell, it is characterized in that, and described image compression unit comprises:
The left and right sides camera lens that the image input module is used to control bicamera at monitoring on-the-spot carry out simultaneously left and right sides picture photographing absorb contain the vision depth of view information about two frame scene images;
The image analysing computer module is used to adopt the spatial axes image processing mode to carry out the image comparative analysis at two frame scene images about each time point absorbed, two frame scene images contain identical part or the approaching same image information partly of content about filtering out, and have difference difference image information partly about analyzing in the two frame scene images;
The image compression module is used for same image information and difference image information are merged the left and right sides compressing image that produces each time point, adopt time shaft video image compress mode to carry out the video signal compressing image that the time shaft video image is compressed into different time points, and the video signal compressing image of different time points is stored in the memory cell at left and right sides compressing image;
The image output module is used for choosing the time point of the on-the-spot situation that meets accident of monitoring when the monitoring scene meets accident situation, from memory cell, read the video signal compressing image of this time point, the video signal compressing image decompress(ion) of this time point contractd is reduced to the 3 D digital image frame, and this 3 D digital image frame is sent to display device plays.
2. 3-dimensional digital image monitoring as claimed in claim 1, it is characterized in that described spatial axes image processing mode is a kind of at two frame scene images about same time point carry out the image comparative analysis and two frame scene images analyze same image information and difference image information about this image processing mode.
3. 3-dimensional digital image monitoring as claimed in claim 1, it is characterized in that, described time shaft video image compress mode is a kind ofly to select shadow lattice as benchmark shadow lattice from the compressing image of the left and right sides, all image informations of these benchmark shadow lattice are stored as the compression benchmark, and preserve the image processing mode of the variation difference image information between shadow lattice between the two benchmark shadow lattice and last benchmark shadow lattice.
4. 3-dimensional digital image monitoring as claimed in claim 1, it is characterized in that, described bicamera is a kind of interpupillary distance formula bicamera, be used to absorb about the monitoring scene separate, anthropomorphic dummy's eye pupil pitch-row from and have parallax about two frame scene images.
5. 3-dimensional digital image monitoring as claimed in claim 1 is characterized in that this system also comprises 3D glasses, and this 3D glasses uses when watching the 3 D digital image frame that display device plays for the manager.
6. a 3-dimensional digital imaging monitoring method utilizes bicamera to monitor monitoring the scene, it is characterized in that the method comprising the steps of:
The left and right sides camera lens of control bicamera at monitoring on-the-spot carry out simultaneously left and right sides picture photographing absorb contain the vision depth of view information about two frame scene images;
Adopt the spatial axes image processing mode to carry out the image comparative analysis at two frame scene images about each time point absorbed;
Two frame scene images contain identical part or the approaching same image information partly of content about filtration, and have difference difference image information partly about analyzing in the two frame scene images;
Same image information and difference image information are merged the left and right sides compressing image that produces each time point;
Adopt time shaft video image compress mode to carry out the video signal compressing image that the time shaft video image is compressed into different time points at left and right sides compressing image;
The video signal compressing image of different time points is stored in the memory cell;
When the monitoring scene meets accident situation, choose the time point of the on-the-spot situation that meets accident of monitoring, and from memory cell, read the video signal compressing image of this time point;
The video signal compressing image decompress(ion) of this time point contractd be reduced to the 3 D digital image frame;
This 3 D digital image frame is sent to display device to be play.
7. 3-dimensional digital imaging monitoring method as claimed in claim 6, it is characterized in that described spatial axes image processing mode is a kind of at two frame scene images about same time point carry out the image comparative analysis and two frame scene images analyze same image information and difference image information about this image processing mode.
8. 3-dimensional digital imaging monitoring method as claimed in claim 6, it is characterized in that, described time shaft video image compress mode is a kind ofly to select shadow lattice as benchmark shadow lattice from the compressing image of the left and right sides, all image informations of these benchmark shadow lattice are stored as the compression benchmark, and preserve the image processing mode of the variation difference image information between shadow lattice between the two benchmark shadow lattice and last benchmark shadow lattice.
9. 3-dimensional digital imaging monitoring method as claimed in claim 6, it is characterized in that, described bicamera is a kind of interpupillary distance formula bicamera, be used to absorb about the monitoring scene separate, anthropomorphic dummy's eye pupil pitch-row from and have parallax about two frame scene images.
10. 3-dimensional digital imaging monitoring method as claimed in claim 6 is characterized in that, need use 3D glasses when the manager watches the 3 D digital image frame of display device broadcast.
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Application publication date: 20111019 |