NO973602L - Optimal disparitetsestimering for stereoskopisk videokoding - Google Patents

Optimal disparitetsestimering for stereoskopisk videokoding

Info

Publication number
NO973602L
NO973602L NO973602A NO973602A NO973602L NO 973602 L NO973602 L NO 973602L NO 973602 A NO973602 A NO 973602A NO 973602 A NO973602 A NO 973602A NO 973602 L NO973602 L NO 973602L
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Norway
Prior art keywords
image
right image
macro
stereoscopic video
level
Prior art date
Application number
NO973602A
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English (en)
Other versions
NO973602D0 (no
Inventor
Xuemin Chen
Vincent Liu
Original Assignee
Nextlevel Systems Inc
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 Nextlevel Systems Inc filed Critical Nextlevel Systems Inc
Publication of NO973602D0 publication Critical patent/NO973602D0/no
Publication of NO973602L publication Critical patent/NO973602L/no

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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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • G06T7/00—Image analysis
    • G06T7/50—Depth or shape recovery
    • G06T7/55—Depth or shape recovery from multiple images
    • G06T7/593—Depth or shape recovery from multiple images from stereo images
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/97—Determining parameters from multiple pictures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/004—Predictors, e.g. intraframe, interframe coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/194—Transmission of image signals
    • 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
    • G06T2207/10012—Stereo images
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H04N13/133—Equalising the characteristics of different image components, e.g. their average brightness or colour balance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H04N13/161—Encoding, multiplexing or demultiplexing different image signal components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/189—Recording image signals; Reproducing recorded image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/20—Image signal generators
    • H04N13/204—Image signal generators using stereoscopic image cameras
    • H04N13/207—Image signal generators using stereoscopic image cameras using a single 2D image sensor
    • H04N13/218—Image signal generators using stereoscopic image cameras using a single 2D image sensor using spatial multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/20—Image signal generators
    • H04N13/204—Image signal generators using stereoscopic image cameras
    • H04N13/239—Image signal generators using stereoscopic image cameras using two 2D image sensors having a relative position equal to or related to the interocular distance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/20—Image signal generators
    • H04N13/296—Synchronisation thereof; Control thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N2013/0074—Stereoscopic image analysis
    • H04N2013/0081—Depth or disparity estimation from stereoscopic image signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

Disparitetsestimering mellom pikselluminansverdier for høyre og venstre bilde i et stereoskopisk videosignal optimaliseres ved bestemmelse av den minimale minste- kvadrat-feil mellom makroblokker (230, 210) i det høyre (220) og venstre (200) bilder. Affine transform koeffisienter og disparitetsvektorer som tilsvarer den minimale feil blir også bestemt og overført i datastrømmen til bruk i en dekoder ved rekonstruksjon av det høyre bildet (220). Programmet kan følges lokalt eller på makroblokknivå eller globalt på bildenivå. Ved makroblokknivået kan minste-kvadrat-feil optimalisering foregå for hver individuell makroblokk i det høyre bildet 220. I dette tilfellet frembringes det affme transform koeffisienter a, b for hver makroblokk på bildenivået der summen av de minste-kvadrat-feil minimaliseres etter at blokkene for det høyre bildet (220) er blitt tilpasset det venstre bildet (200). I dette tilfelle er bare ett sett affme transform koeffisi- enter nødvendig for hele det høyre bildet (220). Ellers kan blokktilpasning mellom et affint transformert venstre bilde (200) og det høyre bildet (220) utføres etter minimali- sering av summen av de minste-kvadrat-feil. Programmet er særlig nyttig ved minima- lisering av virkningene av krysskanal luminansubalanse på grunn av kameravariasjoner og scener med betydelig vekslinger i lysstyrke eller kontrast, og kan tilpasses stereo- skopiske videosystemer som MPEG Multi-view Profile (MVP) systemet.
NO973602A 1996-08-06 1997-08-05 Optimal disparitetsestimering for stereoskopisk videokoding NO973602L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/692,630 US5652616A (en) 1996-08-06 1996-08-06 Optimal disparity estimation for stereoscopic video coding

Publications (2)

Publication Number Publication Date
NO973602D0 NO973602D0 (no) 1997-08-05
NO973602L true NO973602L (no) 1998-02-09

Family

ID=24781374

Family Applications (1)

Application Number Title Priority Date Filing Date
NO973602A NO973602L (no) 1996-08-06 1997-08-05 Optimal disparitetsestimering for stereoskopisk videokoding

Country Status (10)

Country Link
US (1) US5652616A (no)
EP (1) EP0823826B1 (no)
JP (1) JPH10257527A (no)
KR (1) KR19980018426A (no)
CN (1) CN1084568C (no)
CA (1) CA2212069C (no)
DE (1) DE69726508T2 (no)
HK (1) HK1010297A1 (no)
NO (1) NO973602L (no)
TW (1) TW404123B (no)

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Also Published As

Publication number Publication date
JPH10257527A (ja) 1998-09-25
NO973602D0 (no) 1997-08-05
MX9705999A (es) 1998-07-31
CN1084568C (zh) 2002-05-08
DE69726508D1 (de) 2004-01-15
TW404123B (en) 2000-09-01
CA2212069C (en) 2001-06-12
CN1179065A (zh) 1998-04-15
EP0823826B1 (en) 2003-12-03
HK1010297A1 (en) 1999-06-17
CA2212069A1 (en) 1998-02-06
DE69726508T2 (de) 2004-09-23
EP0823826A3 (en) 1999-04-14
US5652616A (en) 1997-07-29
EP0823826A2 (en) 1998-02-11
KR19980018426A (ko) 1998-06-05

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