WO2006113057A3 - Down-sampling and up-sampling processes for chroma samples - Google Patents

Down-sampling and up-sampling processes for chroma samples Download PDF

Info

Publication number
WO2006113057A3
WO2006113057A3 PCT/US2006/011135 US2006011135W WO2006113057A3 WO 2006113057 A3 WO2006113057 A3 WO 2006113057A3 US 2006011135 W US2006011135 W US 2006011135W WO 2006113057 A3 WO2006113057 A3 WO 2006113057A3
Authority
WO
WIPO (PCT)
Prior art keywords
sampling
chroma samples
processes
vertical
chroma
Prior art date
Application number
PCT/US2006/011135
Other languages
French (fr)
Other versions
WO2006113057A2 (en
Inventor
Ying M Chen
Jiefu M Zhai
Peng Yin
Edouard M Francois
Original Assignee
Thomson Licensing
Ying M Chen
Jiefu M Zhai
Peng Yin
Edouard M Francois
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 Thomson Licensing, Ying M Chen, Jiefu M Zhai, Peng Yin, Edouard M Francois filed Critical Thomson Licensing
Publication of WO2006113057A2 publication Critical patent/WO2006113057A2/en
Publication of WO2006113057A3 publication Critical patent/WO2006113057A3/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
    • H04N19/59—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
    • 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
    • H04N19/186—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 a colour or a chrominance component

Landscapes

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

Abstract

A process for down-sampling and up-sampling processes for chroma samples relies on the use of multi-tap filters for sampling the horizontal and vertical chroma components. In this way, no phase shift occurs in the vertical (Y) component.
PCT/US2006/011135 2005-04-15 2006-03-24 Down-sampling and up-sampling processes for chroma samples WO2006113057A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05103017 2005-04-15
EP05103017.9 2005-04-15

Publications (2)

Publication Number Publication Date
WO2006113057A2 WO2006113057A2 (en) 2006-10-26
WO2006113057A3 true WO2006113057A3 (en) 2006-12-14

Family

ID=36933618

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/011135 WO2006113057A2 (en) 2005-04-15 2006-03-24 Down-sampling and up-sampling processes for chroma samples

Country Status (1)

Country Link
WO (1) WO2006113057A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9106936B2 (en) 2012-01-25 2015-08-11 Altera Corporation Raw format image data processing

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0692915A2 (en) * 1994-07-15 1996-01-17 Matsushita Electric Industrial Co., Ltd. Method for MPEG-2 4:2:2 and 4:2:0 chroma format conversion
EP0708564A2 (en) * 1994-10-21 1996-04-24 AT&T Corp. Method of encoder control
EP0709825A2 (en) * 1994-09-07 1996-05-01 Harris Corporation Video scaling method and device
US20020101536A1 (en) * 2000-01-07 2002-08-01 Cook Vail G. Method and apparatus for implementing 4:2:0 to 4:2:2 and 4:2:2 to 4:2:0 color space conversion
US6538658B1 (en) * 1997-11-04 2003-03-25 Koninklijke Philips Electronics N.V. Methods and apparatus for processing DVD video
US20050030422A1 (en) * 2003-08-06 2005-02-10 Pasquale Leone Chroma upsampling method and apparatus therefor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0692915A2 (en) * 1994-07-15 1996-01-17 Matsushita Electric Industrial Co., Ltd. Method for MPEG-2 4:2:2 and 4:2:0 chroma format conversion
EP0709825A2 (en) * 1994-09-07 1996-05-01 Harris Corporation Video scaling method and device
EP0708564A2 (en) * 1994-10-21 1996-04-24 AT&T Corp. Method of encoder control
US6538658B1 (en) * 1997-11-04 2003-03-25 Koninklijke Philips Electronics N.V. Methods and apparatus for processing DVD video
US20020101536A1 (en) * 2000-01-07 2002-08-01 Cook Vail G. Method and apparatus for implementing 4:2:0 to 4:2:2 and 4:2:2 to 4:2:0 color space conversion
US20050030422A1 (en) * 2003-08-06 2005-02-10 Pasquale Leone Chroma upsampling method and apparatus therefor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHARLES POYNTON: "Merging computing with studio video: Converting between R?G?B? and 4:2:2", XP002399843, Retrieved from the Internet <URL:http://web.archive.org/web/20040622055605/http://www.poynton.com/PDFs/Merging_RGB_and_422.pdf> [retrieved on 20040622] *

Also Published As

Publication number Publication date
WO2006113057A2 (en) 2006-10-26

Similar Documents

Publication Publication Date Title
WO2006045103A3 (en) Device and method for removing heavy metals from contaminated samples with membranes comprising purified metallothionein
WO2007101241A3 (en) Preparation of functionalized zeolitic frameworks
WO2005085762A3 (en) Sensor, in particular a magnetic field sensor, with interference compensation and method for interference compensation of a sensor
WO2007038363A3 (en) Utilizing ionic liquids for hydrofluorocarbon separation
WO2007065918A3 (en) Method for purifying fsh or a fsh mutant
WO2002090193A3 (en) Container positioner
WO2009020745A3 (en) Preparation of functionalized zeolitic frameworks
WO2006017274A3 (en) Systems and methods for sample modification using fluidic chambers
WO2007068910A3 (en) Oligomerisation
WO2007002112A3 (en) Processes for isolating bitter compounds for use in food and beverage products
WO2005096779A3 (en) Clot retainer
WO2007070455A3 (en) Mesporous carbons
EP1778386A4 (en) Reactive membrane process for the removal of vapor phase contaminants
WO2007031441A3 (en) Dropping method for liquids
EP1890157A4 (en) Method for replacing liquid, method for extracting component by using it, composite container and automatic analyzer
WO2006074155A3 (en) Device and method for separating molecules
WO2007047109A3 (en) Embolic coil introducer sheath locking mechanisms
EP1913496A4 (en) System and method for optimizing the operation of an oversampled discrete fourier transform filter bank
WO2006127579A3 (en) Membrane filtration of a product
WO2003022400A3 (en) Filter for removing water and/or surfactants from a lipophilic fluid
WO2007011857A3 (en) Low pungency, long day onion
WO2003031965A3 (en) Microfluidic extraction method
WO2006050458A3 (en) Tadalafil crystal forms and processes for preparing them
EP1952885A4 (en) Method for the preparation of metal or metal oxide catalysts that are supported on porous materials
WO2007149311A3 (en) Biological sample processing apparatus

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

NENP Non-entry into the national phase

Ref country code: RU

122 Ep: pct application non-entry in european phase

Ref document number: 06739742

Country of ref document: EP

Kind code of ref document: A2