HK1132826A1 - Image feature extraction method and apparatus - Google Patents

Image feature extraction method and apparatus

Info

Publication number
HK1132826A1
HK1132826A1 HK09112057.6A HK09112057A HK1132826A1 HK 1132826 A1 HK1132826 A1 HK 1132826A1 HK 09112057 A HK09112057 A HK 09112057A HK 1132826 A1 HK1132826 A1 HK 1132826A1
Authority
HK
Hong Kong
Prior art keywords
feature extraction
extraction method
image feature
image
feature
Prior art date
Application number
HK09112057.6A
Other languages
English (en)
Inventor
Zhou Chunyi
Original Assignee
Alibaba Group Holding Ltd
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 Alibaba Group Holding Ltd filed Critical Alibaba Group Holding Ltd
Publication of HK1132826A1 publication Critical patent/HK1132826A1/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/12—Edge-based segmentation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/136—Segmentation; Edge detection involving thresholding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
HK09112057.6A 2009-02-13 2009-12-22 Image feature extraction method and apparatus HK1132826A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009100072189A CN101477692B (zh) 2009-02-13 2009-02-13 图像特征提取方法及装置

Publications (1)

Publication Number Publication Date
HK1132826A1 true HK1132826A1 (en) 2010-03-05

Family

ID=40838400

Family Applications (1)

Application Number Title Priority Date Filing Date
HK09112057.6A HK1132826A1 (en) 2009-02-13 2009-12-22 Image feature extraction method and apparatus

Country Status (6)

Country Link
US (2) US8515178B2 (fr)
EP (1) EP2396750B1 (fr)
JP (1) JP5538435B2 (fr)
CN (1) CN101477692B (fr)
HK (1) HK1132826A1 (fr)
WO (1) WO2010093447A1 (fr)

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Also Published As

Publication number Publication date
CN101477692B (zh) 2012-08-22
US8515178B2 (en) 2013-08-20
US20100208988A1 (en) 2010-08-19
WO2010093447A1 (fr) 2010-08-19
EP2396750A4 (fr) 2018-01-10
EP2396750A1 (fr) 2011-12-21
JP5538435B2 (ja) 2014-07-02
EP2396750B1 (fr) 2020-06-17
CN101477692A (zh) 2009-07-08
JP2012518223A (ja) 2012-08-09
US20130301914A1 (en) 2013-11-14
US9865063B2 (en) 2018-01-09

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20210209