DE69619887D1 - System und Methode für focusbasierte Bildsegmentation für Videosignale - Google Patents

System und Methode für focusbasierte Bildsegmentation für Videosignale

Info

Publication number
DE69619887D1
DE69619887D1 DE69619887T DE69619887T DE69619887D1 DE 69619887 D1 DE69619887 D1 DE 69619887D1 DE 69619887 T DE69619887 T DE 69619887T DE 69619887 T DE69619887 T DE 69619887T DE 69619887 D1 DE69619887 D1 DE 69619887D1
Authority
DE
Germany
Prior art keywords
focus
video signals
image segmentation
based image
segmentation
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 - Lifetime
Application number
DE69619887T
Other languages
English (en)
Other versions
DE69619887T2 (de
Inventor
Tsuhan Chen
Cassandra Turner Swain
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.)
AT&T Corp
Original Assignee
AT&T Corp
AT&T IPM Corp
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 AT&T Corp, AT&T IPM Corp filed Critical AT&T Corp
Publication of DE69619887D1 publication Critical patent/DE69619887D1/de
Application granted granted Critical
Publication of DE69619887T2 publication Critical patent/DE69619887T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/115—Selection of the code volume for a coding unit prior to coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
    • 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
    • G06T2207/20—Special algorithmic details
    • G06T2207/20021—Dividing image into blocks, subimages or windows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
DE69619887T 1995-04-25 1996-04-17 System und Methode für focusbasierte Bildsegmentation für Videosignale Expired - Lifetime DE69619887T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42826595A 1995-04-25 1995-04-25

Publications (2)

Publication Number Publication Date
DE69619887D1 true DE69619887D1 (de) 2002-04-25
DE69619887T2 DE69619887T2 (de) 2002-09-26

Family

ID=23698178

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69619887T Expired - Lifetime DE69619887T2 (de) 1995-04-25 1996-04-17 System und Methode für focusbasierte Bildsegmentation für Videosignale

Country Status (4)

Country Link
EP (1) EP0741496B1 (de)
JP (1) JP3266501B2 (de)
CA (1) CA2173888C (de)
DE (1) DE69619887T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2199973A3 (de) 1997-06-09 2010-09-08 Seiko Epson Corporation Bildverarbeitungsgerät und -Verfahren, und Bildauswertungsvorrichtung und -Verfahren
US6404901B1 (en) 1998-01-29 2002-06-11 Canon Kabushiki Kaisha Image information processing apparatus and its method
KR101348596B1 (ko) 2008-01-22 2014-01-08 삼성전자주식회사 임장감 생성 장치 및 방법
US9064295B2 (en) * 2013-02-04 2015-06-23 Sony Corporation Enhanced video encoding using depth information
EP3021583B1 (de) 2014-11-14 2019-10-23 Axis AB Verfahren zur Identifizierung relevanter Bereiche in Digitalbildern, Verfahren zur Codierung von Digitalbildern und Codierungssystem
CN115243017B (zh) * 2022-08-03 2024-06-07 上海研鼎信息技术有限公司 一种改善图像质量的方法及设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8906587D0 (en) * 1989-03-22 1989-05-04 Philips Electronic Associated Region/texture coding systems
JP3028553B2 (ja) * 1990-04-09 2000-04-04 ソニー株式会社 画像処理装置及び画像処理方法
JP3175175B2 (ja) * 1991-03-01 2001-06-11 ミノルタ株式会社 合焦検出装置

Also Published As

Publication number Publication date
CA2173888A1 (en) 1996-10-26
CA2173888C (en) 2000-04-04
EP0741496A3 (de) 1999-11-17
EP0741496B1 (de) 2002-03-20
JPH08307867A (ja) 1996-11-22
JP3266501B2 (ja) 2002-03-18
EP0741496A2 (de) 1996-11-06
DE69619887T2 (de) 2002-09-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition