WO2006047527A3 - Speckle noise removal in optical coherence tomography - Google Patents

Speckle noise removal in optical coherence tomography Download PDF

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Publication number
WO2006047527A3
WO2006047527A3 PCT/US2005/038397 US2005038397W WO2006047527A3 WO 2006047527 A3 WO2006047527 A3 WO 2006047527A3 US 2005038397 W US2005038397 W US 2005038397W WO 2006047527 A3 WO2006047527 A3 WO 2006047527A3
Authority
WO
WIPO (PCT)
Prior art keywords
image
speckle noise
noise removal
optical coherence
coherence tomography
Prior art date
Application number
PCT/US2005/038397
Other languages
French (fr)
Other versions
WO2006047527A2 (en
Inventor
Robert W Knighton
Giovanni Gregori
Carmen A Puliafito
Original Assignee
Univ Miami
Robert W Knighton
Giovanni Gregori
Carmen A Puliafito
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Miami, Robert W Knighton, Giovanni Gregori, Carmen A Puliafito filed Critical Univ Miami
Publication of WO2006047527A2 publication Critical patent/WO2006047527A2/en
Publication of WO2006047527A3 publication Critical patent/WO2006047527A3/en

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Classifications

    • G06T5/70—
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10072—Tomographic images
    • G06T2207/10101—Optical tomography; Optical coherence tomography [OCT]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30041—Eye; Retina; Ophthalmic

Abstract

A system, method and apparatus for speckle noise removal based upon structural correlation in an OCT imaging system. In accordance with the present invention, several two- or three-dimensional OCT image scans can be acquired for processing by an adaptive algorithm. Specifically, at each image point an image intensity can be computed that quantifies a measure of dispersion of the image values in a particular direction with respect to their mean. Subsequently, a direction 00 (x, y) can be selected which minimizes the energy function at the given pixel (x, y). Finally, a value proportional to a local average of the input image around the point (x, y) can be chosen for the output image. In this way speckle noise can be minimized if not removed while, at the same time, maintaining the image substantially free of obvious artifacts.
PCT/US2005/038397 2004-10-26 2005-10-25 Speckle noise removal in optical coherence tomography WO2006047527A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US62213204P 2004-10-26 2004-10-26
US60/622,132 2004-10-26
US11/244,244 2005-10-05
US11/244,244 US20060100527A1 (en) 2004-10-26 2005-10-05 Speckle noise removal in optical coherence tomography

Publications (2)

Publication Number Publication Date
WO2006047527A2 WO2006047527A2 (en) 2006-05-04
WO2006047527A3 true WO2006047527A3 (en) 2006-08-03

Family

ID=35811651

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/038397 WO2006047527A2 (en) 2004-10-26 2005-10-25 Speckle noise removal in optical coherence tomography

Country Status (2)

Country Link
US (1) US20060100527A1 (en)
WO (1) WO2006047527A2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101589301B (en) * 2006-08-25 2012-11-07 通用医疗公司 Apparatus and methods for enhancing optical coherence tomography imaging using volumetric filtering techniques
JP5523658B2 (en) * 2007-03-23 2014-06-18 株式会社トプコン Optical image measuring device
US20090040527A1 (en) * 2007-07-20 2009-02-12 Paul Dan Popescu Method and apparatus for speckle noise reduction in electromagnetic interference detection
US9639915B2 (en) * 2012-08-08 2017-05-02 Samsung Electronics Co., Ltd. Image processing method and apparatus
RU2679947C1 (en) * 2017-12-13 2019-02-14 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тамбовский государственный технический университет" (ФГБОУ ВО "ТГТУ") Method for obtaining structural images in endoscopic optical coherent tomography

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Title
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CZERWINSKI R N ET AL: "Line and boundary detection in speckle images", IEEE TRANSACTIONS ON IMAGE PROCESSING IEEE USA, vol. 7, no. 12, December 1998 (1998-12-01), pages 1700 - 1714, XP002379803, ISSN: 1057-7149 *
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Also Published As

Publication number Publication date
WO2006047527A2 (en) 2006-05-04
US20060100527A1 (en) 2006-05-11

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