GB2488294B - Image processing - Google Patents

Image processing

Info

Publication number
GB2488294B
GB2488294B GB1210137.4A GB201210137A GB2488294B GB 2488294 B GB2488294 B GB 2488294B GB 201210137 A GB201210137 A GB 201210137A GB 2488294 B GB2488294 B GB 2488294B
Authority
GB
United Kingdom
Prior art keywords
image processing
image
processing
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB1210137.4A
Other versions
GB201210137D0 (en
GB2488294A (en
Inventor
Kewei Zhang
Antonio Orlando
Elaine Craig Mackay Crooks
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB201210137D0 publication Critical patent/GB201210137D0/en
Publication of GB2488294A publication Critical patent/GB2488294A/en
Application granted granted Critical
Publication of GB2488294B publication Critical patent/GB2488294B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/36—Applying a local operator, i.e. means to operate on image points situated in the vicinity of a given point; Non-linear local filtering operations, e.g. median filtering
    • 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
    • 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]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/16—Image preprocessing
    • G06V30/168—Smoothing or thinning of the pattern; Skeletonisation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/18—Extraction of features or characteristics of the image
    • G06V30/18143—Extracting features based on salient regional features, e.g. scale invariant feature transform [SIFT] keypoints
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/20—Combination of acquisition, preprocessing or recognition functions
    • 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
    • G06T2207/10004—Still image; Photographic image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Nonlinear Science (AREA)
  • Image Processing (AREA)
GB1210137.4A 2009-12-15 2010-12-15 Image processing Expired - Fee Related GB2488294B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0921863.7A GB0921863D0 (en) 2009-12-15 2009-12-15 Image Processing
PCT/EP2010/069815 WO2011080081A2 (en) 2009-12-15 2010-12-15 Image processing

Publications (3)

Publication Number Publication Date
GB201210137D0 GB201210137D0 (en) 2012-07-25
GB2488294A GB2488294A (en) 2012-08-22
GB2488294B true GB2488294B (en) 2015-10-28

Family

ID=41667097

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0921863.7A Ceased GB0921863D0 (en) 2009-12-15 2009-12-15 Image Processing
GB1210137.4A Expired - Fee Related GB2488294B (en) 2009-12-15 2010-12-15 Image processing

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0921863.7A Ceased GB0921863D0 (en) 2009-12-15 2009-12-15 Image Processing

Country Status (2)

Country Link
GB (2) GB0921863D0 (en)
WO (1) WO2011080081A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104331697B (en) * 2014-11-17 2017-11-10 山东大学 A kind of localization method of area-of-interest

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0525804A2 (en) * 1991-08-02 1993-02-03 Eastman Kodak Company Character thinning using emergent behavior of populations of competitive locally independent processes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2218507B (en) 1989-05-15 1992-02-26 Plessey Co Plc Digital data processing
GB2272285B (en) 1992-06-10 1997-01-15 Secr Defence Method for digitally processing images to determine the position of edges and/or corners therein for guidance of unmanned vehicle

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0525804A2 (en) * 1991-08-02 1993-02-03 Eastman Kodak Company Character thinning using emergent behavior of populations of competitive locally independent processes

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
LUCET ET AL: "New sequential exact Euclidean distance transform algorithms based on convex analysis", IMAGE AND VISION COMPUTING, ELSEVIER, GUILDFORD, GB, vol. 27, no.1-2, 09-01-01, pages 37-44, XP025644369, ISSN: 0262-8856, DOI:10.1016/J.IMAVIS.2006.10.011 *
ZHANG ET AL: "Compensated convexity and its applications", ANNALES DE L'INSTITUT HENRI POINCARE (C) NON LINEAR ANALYSIS, ELSEVIER, vol. 25, no. 4, 2008-07-01, pages 743-771, XP022824500, ISSN: 0294-1449, DOI:10.1016/J.ANIHPC.2007.08.001 *

Also Published As

Publication number Publication date
GB0921863D0 (en) 2010-01-27
WO2011080081A3 (en) 2011-09-01
GB201210137D0 (en) 2012-07-25
GB2488294A (en) 2012-08-22
WO2011080081A2 (en) 2011-07-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20211215