TW366647B - Method to form symmetric search windows for bidirectional half pel motion estimation - Google Patents

Method to form symmetric search windows for bidirectional half pel motion estimation

Info

Publication number
TW366647B
TW366647B TW085107826A TW85107826A TW366647B TW 366647 B TW366647 B TW 366647B TW 085107826 A TW085107826 A TW 085107826A TW 85107826 A TW85107826 A TW 85107826A TW 366647 B TW366647 B TW 366647B
Authority
TW
Taiwan
Prior art keywords
macroblocks
best match
pixels
motion estimation
search windows
Prior art date
Application number
TW085107826A
Other languages
Chinese (zh)
Inventor
Ronald S Svec
Everett G Vail Iii
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of TW366647B publication Critical patent/TW366647B/en

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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/176—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 the region being a block, e.g. a macroblock
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/533—Motion estimation using multistep search, e.g. 2D-log search or one-at-a-time search [OTS]
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/57—Motion estimation characterised by a search window with variable size or shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Analysis (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)

Abstract

A method for forming a bidirectionally coded picture from two reference pictures. The method starts by taking a memory fetch of each reference picture, finding best match macroblocks at the full pixel boundaries thereof, and interpolating the full pixel boundary macroblocks to form bi-directional macroblocks calculating half pixel reference picture data therefrom. Excess pixels are dropped from the best match macroblocks to make the best mach macroblocks symmetric in size, shape, and orientation. This may be accomplished by setting edge detectors to indicate excess pixels. The excess pixels correspond t pixels rendering the best match macroblocks different in size, shape or orientation.
TW085107826A 1996-02-16 1996-06-28 Method to form symmetric search windows for bidirectional half pel motion estimation TW366647B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60247296A 1996-02-16 1996-02-16

Publications (1)

Publication Number Publication Date
TW366647B true TW366647B (en) 1999-08-11

Family

ID=24411484

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085107826A TW366647B (en) 1996-02-16 1996-06-28 Method to form symmetric search windows for bidirectional half pel motion estimation

Country Status (4)

Country Link
JP (1) JPH09261661A (en)
KR (1) KR100240620B1 (en)
DE (1) DE19702728A1 (en)
TW (1) TW366647B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100599935B1 (en) 2003-10-15 2006-07-13 한국전자통신연구원 Fast Half-Pel searching Method on the base of SAD values according to integer-pel search and random variable corresponding each macro block
CN105190689A (en) 2013-06-14 2015-12-23 英特尔公司 Image processing including adjoin feature based object detection, and/or bilateral symmetric object segmentation
JP6646218B2 (en) 2016-03-28 2020-02-14 富士通株式会社 Charging circuit and electronic device

Also Published As

Publication number Publication date
DE19702728A1 (en) 1997-08-21
JPH09261661A (en) 1997-10-03
KR970064262A (en) 1997-09-12
KR100240620B1 (en) 2000-01-15

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