HK1094071A1 - Method and apparatus for modeling film grain patterns in the frequency domain - Google Patents

Method and apparatus for modeling film grain patterns in the frequency domain

Info

Publication number
HK1094071A1
HK1094071A1 HK07101129A HK07101129A HK1094071A1 HK 1094071 A1 HK1094071 A1 HK 1094071A1 HK 07101129 A HK07101129 A HK 07101129A HK 07101129 A HK07101129 A HK 07101129A HK 1094071 A1 HK1094071 A1 HK 1094071A1
Authority
HK
Hong Kong
Prior art keywords
film grain
frequency domain
grain patterns
modeling film
modeling
Prior art date
Application number
HK07101129A
Other languages
English (en)
Inventor
Gomila Cristina
Llach Joan
Original Assignee
Thomson Licesing
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 Licesing filed Critical Thomson Licesing
Publication of HK1094071A1 publication Critical patent/HK1094071A1/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image 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
    • 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
    • H04N19/70—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
    • 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
    • G06T2207/10—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
    • G06T2207/20172—Image enhancement details
    • G06T2207/20204—Removing film grain; Adding simulated film grain

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Physical Vapour Deposition (AREA)
  • Junction Field-Effect Transistors (AREA)
HK07101129A 2003-08-29 2007-02-01 Method and apparatus for modeling film grain patterns in the frequency domain HK1094071A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49894503P 2003-08-29 2003-08-29
PCT/US2004/010789 WO2005027045A1 (en) 2003-08-29 2004-04-07 Method and apparatus for modeling film grain patterns in the frequency domain

Publications (1)

Publication Number Publication Date
HK1094071A1 true HK1094071A1 (en) 2007-03-16

Family

ID=34312174

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07101129A HK1094071A1 (en) 2003-08-29 2007-02-01 Method and apparatus for modeling film grain patterns in the frequency domain

Country Status (18)

Country Link
US (1) US7738721B2 (ja)
EP (1) EP1661089B1 (ja)
JP (3) JP4711962B2 (ja)
KR (1) KR101001086B1 (ja)
CN (1) CN100389437C (ja)
AT (1) ATE381076T1 (ja)
AU (1) AU2004273405B2 (ja)
BR (1) BRPI0413904B1 (ja)
CA (1) CA2537000C (ja)
DE (1) DE602004010683T2 (ja)
ES (1) ES2297531T3 (ja)
HK (1) HK1094071A1 (ja)
MX (1) MXPA06002339A (ja)
MY (1) MY136026A (ja)
PL (1) PL1661089T3 (ja)
RU (1) RU2332715C2 (ja)
WO (1) WO2005027045A1 (ja)
ZA (1) ZA200601707B (ja)

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US20060082649A1 (en) 2004-10-18 2006-04-20 Cristina Gomila Film grain simulation method
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KR101218242B1 (ko) * 2004-10-18 2013-01-04 톰슨 라이센싱 필름 그레인 시뮬레이션을 위한 방법, 장치 및 시스템
EP2202982A3 (en) 2004-11-12 2012-10-10 Thomson Licensing Film grain simulation for normal play and trick mode play for video playback systems
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US20100110287A1 (en) * 2008-10-31 2010-05-06 Hong Kong Applied Science And Technology Research Institute Co. Ltd. Method and apparatus for modeling film grain noise
FR2943201B1 (fr) * 2009-03-12 2011-03-11 Ateme Sa Parametrage du grain d'image
JP6101009B2 (ja) * 2012-06-15 2017-03-22 日本放送協会 階調削減符号化装置、階調復元復号装置及びそれらのプログラム
KR101979634B1 (ko) 2012-12-13 2019-05-20 삼성전자주식회사 화질 개선을 위한 영상 처리 장치 및 그 방법
US20140328406A1 (en) 2013-05-01 2014-11-06 Raymond John Westwater Method and Apparatus to Perform Optimal Visually-Weighed Quantization of Time-Varying Visual Sequences in Transform Space
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Also Published As

Publication number Publication date
MXPA06002339A (es) 2006-05-19
DE602004010683T2 (de) 2009-01-02
ES2297531T3 (es) 2008-05-01
JP2007504709A (ja) 2007-03-01
CN1842822A (zh) 2006-10-04
DE602004010683D1 (de) 2008-01-24
MY136026A (en) 2008-07-31
CN100389437C (zh) 2008-05-21
ATE381076T1 (de) 2007-12-15
US7738721B2 (en) 2010-06-15
BRPI0413904A (pt) 2006-10-24
WO2005027045A1 (en) 2005-03-24
EP1661089B1 (en) 2007-12-12
JP4711962B2 (ja) 2011-06-29
US20060292837A1 (en) 2006-12-28
CA2537000C (en) 2011-11-15
KR101001086B1 (ko) 2010-12-14
CA2537000A1 (en) 2005-03-24
JP5394546B2 (ja) 2014-01-22
EP1661089A1 (en) 2006-05-31
BRPI0413904B1 (pt) 2017-06-06
ZA200601707B (en) 2008-09-25
KR20060121832A (ko) 2006-11-29
JP2012227951A (ja) 2012-11-15
RU2332715C2 (ru) 2008-08-27
PL1661089T3 (pl) 2008-05-30
JP2011004437A (ja) 2011-01-06
AU2004273405A1 (en) 2005-03-24
RU2006110037A (ru) 2007-10-20
AU2004273405B2 (en) 2009-12-17

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Legal Events

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PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20210405