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WO2002067590A8 - Video encoding of still images - Google Patents

Video encoding of still images

Info

Publication number
WO2002067590A8
WO2002067590A8 PCT/FI2002/000127 FI0200127W WO02067590A8 WO 2002067590 A8 WO2002067590 A8 WO 2002067590A8 FI 0200127 W FI0200127 W FI 0200127W WO 02067590 A8 WO02067590 A8 WO 02067590A8
Authority
WO
WIPO (PCT)
Prior art keywords
mvc
sad
search area
search
pixels
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.)
Ceased
Application number
PCT/FI2002/000127
Other languages
French (fr)
Other versions
WO2002067590A1 (en
Inventor
Markus Suvanto
Jarno Valtanen
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.)
Google Finland Oy
Original Assignee
Hantro Products Oy
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 Hantro Products Oy filed Critical Hantro Products Oy
Publication of WO2002067590A1 publication Critical patent/WO2002067590A1/en
Anticipated expiration legal-status Critical
Publication of WO2002067590A8 publication Critical patent/WO2002067590A8/en
Ceased 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
    • H04N19/50—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
    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

The invention relates to method, apparatus, program and memory for encoding video image. In the method the best motion vector candidate MVC providing the smallest sum of absolute differences SAD is searched for in two stages. In the first stage the search is performed as follows: (602) defining a first search area for a previous image, (604A) forming in the first search area a first SAD between the pixels in the first block indicated by each first MVC and the pixels in the block to be encoded in such a manner that (604B) a representative group of pixels in the first block is used to form each first SAD, and (612) selecting a first MVC providing the smallest first SAD as the best MVC. Then at the second stage the search can be performed normally at a second search area that is smaller than the first search area.
PCT/FI2002/000127 2001-02-16 2002-02-15 Video encoding of still images Ceased WO2002067590A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20010303A FI109634B (en) 2001-02-16 2001-02-16 Method and apparatus for encoding a video image
FI20010303 2001-02-16

Publications (2)

Publication Number Publication Date
WO2002067590A1 WO2002067590A1 (en) 2002-08-29
WO2002067590A8 true WO2002067590A8 (en) 2003-12-04

Family

ID=8560392

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2002/000127 Ceased WO2002067590A1 (en) 2001-02-16 2002-02-15 Video encoding of still images

Country Status (2)

Country Link
FI (1) FI109634B (en)
WO (1) WO2002067590A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8838680B1 (en) 2011-02-08 2014-09-16 Google Inc. Buffer objects for web-based configurable pipeline media processing
US8907821B1 (en) 2010-09-16 2014-12-09 Google Inc. Apparatus and method for decoding data
US9042261B2 (en) 2009-09-23 2015-05-26 Google Inc. Method and device for determining a jitter buffer level
US9078015B2 (en) 2010-08-25 2015-07-07 Cable Television Laboratories, Inc. Transport of partially encrypted media
US9313493B1 (en) 2013-06-27 2016-04-12 Google Inc. Advanced motion estimation

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2025159A4 (en) 2006-05-30 2013-04-10 Google Inc Apparatus, arrangement, method and computer program product for digital video processing
FI20095273A0 (en) 2009-03-17 2009-03-17 On2 Technologies Finland Oy Digital video coding
EP2405661B1 (en) 2010-07-06 2017-03-22 Google, Inc. Loss-robust video transmission using two decoders
US8767821B2 (en) 2011-05-09 2014-07-01 Google Inc. System and method for providing adaptive media optimization
US9014265B1 (en) 2011-12-29 2015-04-21 Google Inc. Video coding using edge detection and block partitioning for intra prediction
US9210424B1 (en) 2013-02-28 2015-12-08 Google Inc. Adaptive prediction block size in video coding
US9807416B2 (en) 2015-09-21 2017-10-31 Google Inc. Low-latency two-pass video coding

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5684538A (en) * 1994-08-18 1997-11-04 Hitachi, Ltd. System and method for performing video coding/decoding using motion compensation
JP3954656B2 (en) * 1994-09-29 2007-08-08 ソニー株式会社 Image coding apparatus and method
US6011870A (en) * 1997-07-18 2000-01-04 Jeng; Fure-Ching Multiple stage and low-complexity motion estimation for interframe video coding
US6014181A (en) * 1997-10-13 2000-01-11 Sharp Laboratories Of America, Inc. Adaptive step-size motion estimation based on statistical sum of absolute differences
DE69901525T2 (en) * 1998-02-13 2003-01-09 Koninklijke Philips Electronics N.V., Eindhoven METHOD AND DEVICE FOR VIDEO CODING
CN1159916C (en) * 1999-06-22 2004-07-28 日本胜利株式会社 Moving image coding apparatus and method thereof
JP2001112000A (en) * 1999-10-07 2001-04-20 Matsushita Electric Ind Co Ltd Video signal encoding device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9042261B2 (en) 2009-09-23 2015-05-26 Google Inc. Method and device for determining a jitter buffer level
US9078015B2 (en) 2010-08-25 2015-07-07 Cable Television Laboratories, Inc. Transport of partially encrypted media
US8907821B1 (en) 2010-09-16 2014-12-09 Google Inc. Apparatus and method for decoding data
US8838680B1 (en) 2011-02-08 2014-09-16 Google Inc. Buffer objects for web-based configurable pipeline media processing
US9313493B1 (en) 2013-06-27 2016-04-12 Google Inc. Advanced motion estimation

Also Published As

Publication number Publication date
WO2002067590A1 (en) 2002-08-29
FI20010303A0 (en) 2001-02-16
FI109634B (en) 2002-09-13

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