HK1107480A1 - Method and apparatus for film grain simulation - Google Patents

Method and apparatus for film grain simulation

Info

Publication number
HK1107480A1
HK1107480A1 HK08101186.4A HK08101186A HK1107480A1 HK 1107480 A1 HK1107480 A1 HK 1107480A1 HK 08101186 A HK08101186 A HK 08101186A HK 1107480 A1 HK1107480 A1 HK 1107480A1
Authority
HK
Hong Kong
Prior art keywords
film grain
cut
fvh
fhh
fvl
Prior art date
Application number
HK08101186.4A
Other languages
English (en)
Inventor
Cristina Gomila
Joan Llach
Jeffrey Allen Cooper
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 HK1107480A1 publication Critical patent/HK1107480A1/xx

Links

Classifications

    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
    • H04N19/46—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
    • 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
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/87—Producing a motion picture film from a television signal
    • 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
    • G06T2207/10016—Video; Image sequence
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Laminated Bodies (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Complex Calculations (AREA)
HK08101186.4A 2004-11-23 2008-01-31 Method and apparatus for film grain simulation HK1107480A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63064004P 2004-11-23 2004-11-23
PCT/US2005/034723 WO2006057703A1 (en) 2004-11-23 2005-09-26 Low-complexity film grain simulation technique

Publications (1)

Publication Number Publication Date
HK1107480A1 true HK1107480A1 (en) 2008-04-03

Family

ID=35457516

Family Applications (1)

Application Number Title Priority Date Filing Date
HK08101186.4A HK1107480A1 (en) 2004-11-23 2008-01-31 Method and apparatus for film grain simulation

Country Status (16)

Country Link
US (1) US8472526B2 (xx)
EP (1) EP1815688B1 (xx)
JP (1) JP4829893B2 (xx)
KR (1) KR101166948B1 (xx)
CN (1) CN101065970B (xx)
AT (1) ATE435568T1 (xx)
AU (1) AU2005309975B2 (xx)
BR (1) BRPI0518052B1 (xx)
CA (1) CA2586896C (xx)
DE (1) DE602005015249D1 (xx)
HK (1) HK1107480A1 (xx)
MX (1) MX2007006211A (xx)
MY (1) MY139472A (xx)
RU (1) RU2377651C2 (xx)
WO (1) WO2006057703A1 (xx)
ZA (1) ZA200704141B (xx)

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US8150206B2 (en) 2004-03-30 2012-04-03 Thomson Licensing Method and apparatus for representing image granularity by one or more parameters
US20060082649A1 (en) 2004-10-18 2006-04-20 Cristina Gomila Film grain simulation method
WO2006047138A2 (en) * 2004-10-21 2006-05-04 Thomson Licensing Technique for adaptive de-blocking of block-based film grain patterns
CA2803789C (en) 2004-11-12 2014-04-15 Thomson Licensing Film grain simulation for normal play and trick mode play for video playback systems
JP4825808B2 (ja) 2004-11-16 2011-11-30 トムソン ライセンシング 事前に計算された変換係数に基づいたフィルムグレインシミュレーション方法
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Also Published As

Publication number Publication date
JP4829893B2 (ja) 2011-12-07
KR20070088644A (ko) 2007-08-29
DE602005015249D1 (de) 2009-08-13
CA2586896C (en) 2013-11-19
BRPI0518052A (pt) 2008-10-28
KR101166948B1 (ko) 2012-07-19
US8472526B2 (en) 2013-06-25
RU2007123610A (ru) 2008-12-27
AU2005309975A1 (en) 2006-06-01
ZA200704141B (en) 2008-08-27
BRPI0518052B1 (pt) 2019-07-16
CA2586896A1 (en) 2006-06-01
RU2377651C2 (ru) 2009-12-27
EP1815688A1 (en) 2007-08-08
JP2008521340A (ja) 2008-06-19
MY139472A (en) 2009-10-30
MX2007006211A (es) 2007-06-12
AU2005309975B2 (en) 2010-09-16
ATE435568T1 (de) 2009-07-15
EP1815688B1 (en) 2009-07-01
US20080152250A1 (en) 2008-06-26
CN101065970A (zh) 2007-10-31
CN101065970B (zh) 2010-09-29
WO2006057703A1 (en) 2006-06-01

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