HK1093643A1 - Method for simulating film grain by mosaicing pre-computed samples - Google Patents

Method for simulating film grain by mosaicing pre-computed samples

Info

Publication number
HK1093643A1
HK1093643A1 HK07100068.0A HK07100068A HK1093643A1 HK 1093643 A1 HK1093643 A1 HK 1093643A1 HK 07100068 A HK07100068 A HK 07100068A HK 1093643 A1 HK1093643 A1 HK 1093643A1
Authority
HK
Hong Kong
Prior art keywords
film grain
blocks
mosaicing
image
successive
Prior art date
Application number
HK07100068.0A
Other languages
English (en)
Inventor
Cristina Gomila
Joan Llach
Jill Macdonald Boyce
Original Assignee
Thomson Licensing
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 filed Critical Thomson Licensing
Publication of HK1093643A1 publication Critical patent/HK1093643A1/xx

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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/10—Image enhancement or restoration using non-spatial domain filtering
    • 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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
    • H04N19/23—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding with coding of regions that are present throughout a whole video segment, e.g. sprites, background or mosaic
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • 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
    • G06T2207/20048—Transform domain processing
    • G06T2207/20052—Discrete cosine transform [DCT]
    • 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
    • G06T2207/20172—Image enhancement details
    • G06T2207/20204—Removing film grain; Adding simulated film grain

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Decoration By Transfer Pictures (AREA)
  • Color Image Communication Systems (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
HK07100068.0A 2003-09-23 2007-01-03 Method for simulating film grain by mosaicing pre-computed samples HK1093643A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50514603P 2003-09-23 2003-09-23
PCT/US2004/029410 WO2005034518A1 (en) 2003-09-23 2004-09-10 Method for simulating film grain by mosaicing pre-computed samples

Publications (1)

Publication Number Publication Date
HK1093643A1 true HK1093643A1 (en) 2007-03-02

Family

ID=34421522

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07100068.0A HK1093643A1 (en) 2003-09-23 2007-01-03 Method for simulating film grain by mosaicing pre-computed samples

Country Status (12)

Country Link
US (1) US7945106B2 (ja)
EP (1) EP1676445B1 (ja)
JP (1) JP5100121B2 (ja)
KR (1) KR100993990B1 (ja)
CN (1) CN1857006B (ja)
AU (1) AU2004306386B2 (ja)
BR (1) BRPI0414641B1 (ja)
CA (1) CA2538785C (ja)
HK (1) HK1093643A1 (ja)
RU (1) RU2340943C2 (ja)
WO (1) WO2005034518A1 (ja)
ZA (1) ZA200602350B (ja)

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Also Published As

Publication number Publication date
ZA200602350B (en) 2007-09-26
KR100993990B1 (ko) 2010-11-11
CN1857006B (zh) 2011-06-08
US20070058878A1 (en) 2007-03-15
BRPI0414641B1 (pt) 2019-01-08
BRPI0414641A (pt) 2006-11-21
RU2006113606A (ru) 2007-11-20
KR20060135612A (ko) 2006-12-29
EP1676445A1 (en) 2006-07-05
WO2005034518A1 (en) 2005-04-14
JP2007521573A (ja) 2007-08-02
RU2340943C2 (ru) 2008-12-10
CA2538785C (en) 2013-10-29
US7945106B2 (en) 2011-05-17
AU2004306386B2 (en) 2009-10-29
CA2538785A1 (en) 2005-04-14
CN1857006A (zh) 2006-11-01
AU2004306386A1 (en) 2005-04-14
JP5100121B2 (ja) 2012-12-19
EP1676445B1 (en) 2019-09-04

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Effective date: 20210908