ZA200602350B - Method for simulating film grain by mosaicing pre-computed samples - Google Patents

Method for simulating film grain by mosaicing pre-computed samples Download PDF

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Publication number
ZA200602350B
ZA200602350B ZA200602350A ZA200602350A ZA200602350B ZA 200602350 B ZA200602350 B ZA 200602350B ZA 200602350 A ZA200602350 A ZA 200602350A ZA 200602350 A ZA200602350 A ZA 200602350A ZA 200602350 B ZA200602350 B ZA 200602350B
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ZA
South Africa
Prior art keywords
film grain
block
blocks
image
grain
Prior art date
Application number
ZA200602350A
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English (en)
Inventor
Gomila Cristina
Llach Joan
Boyce Jill Macdonald
Original Assignee
Thomson Licensing
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Publication date
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Publication of ZA200602350B publication Critical patent/ZA200602350B/en

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    • 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
    • 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
    • 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

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)
ZA200602350A 2003-09-23 2004-09-10 Method for simulating film grain by mosaicing pre-computed samples ZA200602350B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50514603P 2003-09-23 2003-09-23

Publications (1)

Publication Number Publication Date
ZA200602350B true ZA200602350B (en) 2007-09-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200602350A ZA200602350B (en) 2003-09-23 2004-09-10 Method for simulating film grain by mosaicing pre-computed samples

Country Status (12)

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

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Also Published As

Publication number Publication date
KR20060135612A (ko) 2006-12-29
AU2004306386B2 (en) 2009-10-29
BRPI0414641A (pt) 2006-11-21
KR100993990B1 (ko) 2010-11-11
JP5100121B2 (ja) 2012-12-19
CA2538785A1 (en) 2005-04-14
CA2538785C (en) 2013-10-29
BRPI0414641B1 (pt) 2019-01-08
HK1093643A1 (en) 2007-03-02
EP1676445A1 (en) 2006-07-05
EP1676445B1 (en) 2019-09-04
JP2007521573A (ja) 2007-08-02
AU2004306386A1 (en) 2005-04-14
US20070058878A1 (en) 2007-03-15
CN1857006A (zh) 2006-11-01
CN1857006B (zh) 2011-06-08
RU2006113606A (ru) 2007-11-20
RU2340943C2 (ru) 2008-12-10
US7945106B2 (en) 2011-05-17
WO2005034518A1 (en) 2005-04-14

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