WO2001061648A3 - Visual attention location system - Google Patents

Visual attention location system Download PDF

Info

Publication number
WO2001061648A3
WO2001061648A3 PCT/GB2001/000504 GB0100504W WO0161648A3 WO 2001061648 A3 WO2001061648 A3 WO 2001061648A3 GB 0100504 W GB0100504 W GB 0100504W WO 0161648 A3 WO0161648 A3 WO 0161648A3
Authority
WO
WIPO (PCT)
Prior art keywords
visual
image
visual attention
pixels
dissimilarities
Prior art date
Application number
PCT/GB2001/000504
Other languages
French (fr)
Other versions
WO2001061648A2 (en
Inventor
Frederick Warwick M Stentiford
Original Assignee
British Telecomm
Frederick Warwick M Stentiford
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
Priority claimed from EP00301262A external-priority patent/EP1126411A1/en
Application filed by British Telecomm, Frederick Warwick M Stentiford filed Critical British Telecomm
Priority to CA002400085A priority Critical patent/CA2400085C/en
Priority to JP2001560954A priority patent/JP4732660B2/en
Priority to AU2001232029A priority patent/AU2001232029A1/en
Priority to EP01904110.2A priority patent/EP1281164B1/en
Priority to EP01963137.3A priority patent/EP1316067B1/en
Priority to CA002421292A priority patent/CA2421292C/en
Priority to AU2001284171A priority patent/AU2001284171A1/en
Priority to PCT/GB2001/003802 priority patent/WO2002021446A1/en
Publication of WO2001061648A2 publication Critical patent/WO2001061648A2/en
Priority to US09/977,263 priority patent/US6934415B2/en
Publication of WO2001061648A3 publication Critical patent/WO2001061648A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/46—Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
    • G06V10/462—Salient features, e.g. scale invariant feature transforms [SIFT]

Abstract

This invention identifies the most significant features in visual scenes, without prior training, by measuring the difficulty in finding similarities between neighbourhoods in the scene. Pixels in an area that is similar to much of the rest of the scene score low measures of visual attention. On the other hand a region that possesses many dissimilarities with other parts of the image will attract a high measure of visual attention. The invention makes use of a trial and error process to find dissimilarities between parts of the image and does not require prior knowledge of the nature of the anomalies that may be present. The method avoids the use of processing dependencies between pixels and is capable of a straightforward parallel implementation for each pixel. The invention is of wide application in searching for anomalous patterns in health screening, quality control processes and in analysis of visual ergonomics for assessing the visibility of signs and advertisements. The invention provides a measure of significant features to an image processor in order to provide variable rate image compression.
PCT/GB2001/000504 2000-02-17 2001-02-08 Visual attention location system WO2001061648A2 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CA002400085A CA2400085C (en) 2000-02-17 2001-02-08 Visual attention system
JP2001560954A JP4732660B2 (en) 2000-02-17 2001-02-08 Visual attention system
AU2001232029A AU2001232029A1 (en) 2000-02-17 2001-02-08 Visual attention system
EP01904110.2A EP1281164B1 (en) 2000-02-17 2001-02-08 Visual attention location system
PCT/GB2001/003802 WO2002021446A1 (en) 2000-09-08 2001-08-22 Analysing a moving image
EP01963137.3A EP1316067B1 (en) 2000-09-08 2001-08-22 Analysing a moving image
CA002421292A CA2421292C (en) 2000-09-08 2001-08-22 Analysing a moving image
AU2001284171A AU2001284171A1 (en) 2000-09-08 2001-08-22 Analysing a moving image
US09/977,263 US6934415B2 (en) 2000-02-17 2001-10-16 Visual attention system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP00301262A EP1126411A1 (en) 2000-02-17 2000-02-17 Visual attention location system
EP00301262.2 2000-02-17
EP00307771 2000-09-08
EP00307771.6 2000-09-08

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2001/003802 Continuation-In-Part WO2002021446A1 (en) 2000-02-17 2001-08-22 Analysing a moving image

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US09/977,263 Continuation-In-Part US6934415B2 (en) 2000-02-17 2001-10-16 Visual attention system

Publications (2)

Publication Number Publication Date
WO2001061648A2 WO2001061648A2 (en) 2001-08-23
WO2001061648A3 true WO2001061648A3 (en) 2002-03-21

Family

ID=26073010

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2001/000504 WO2001061648A2 (en) 2000-02-17 2001-02-08 Visual attention location system

Country Status (8)

Country Link
US (1) US6934415B2 (en)
EP (1) EP1281164B1 (en)
JP (1) JP4732660B2 (en)
KR (1) KR100821847B1 (en)
CN (1) CN1214349C (en)
AU (1) AU2001232029A1 (en)
CA (1) CA2400085C (en)
WO (1) WO2001061648A2 (en)

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Also Published As

Publication number Publication date
JP2003523587A (en) 2003-08-05
KR20020075918A (en) 2002-10-07
CN1214349C (en) 2005-08-10
JP4732660B2 (en) 2011-07-27
CA2400085C (en) 2008-02-19
AU2001232029A1 (en) 2001-08-27
WO2001061648A2 (en) 2001-08-23
US6934415B2 (en) 2005-08-23
KR100821847B1 (en) 2008-04-11
CN1430767A (en) 2003-07-16
EP1281164B1 (en) 2015-05-27
US20020081033A1 (en) 2002-06-27
CA2400085A1 (en) 2001-08-23
EP1281164A2 (en) 2003-02-05

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