ZA200703568B - Film grain simulation method based on pre-computed transform coefficients - Google Patents

Film grain simulation method based on pre-computed transform coefficients

Info

Publication number
ZA200703568B
ZA200703568B ZA200703568A ZA200703568A ZA200703568B ZA 200703568 B ZA200703568 B ZA 200703568B ZA 200703568 A ZA200703568 A ZA 200703568A ZA 200703568 A ZA200703568 A ZA 200703568A ZA 200703568 B ZA200703568 B ZA 200703568B
Authority
ZA
South Africa
Prior art keywords
film grain
method based
transform coefficients
simulation method
grain simulation
Prior art date
Application number
ZA200703568A
Other languages
English (en)
Inventor
Gomila Cristina
Llach Joan
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 ZA200703568B publication Critical patent/ZA200703568B/xx

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T5/70—
    • 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 by 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
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/46—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
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • G06T2207/10—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
ZA200703568A 2004-11-16 2005-10-26 Film grain simulation method based on pre-computed transform coefficients ZA200703568B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62828604P 2004-11-16 2004-11-16

Publications (1)

Publication Number Publication Date
ZA200703568B true ZA200703568B (en) 2008-08-27

Family

ID=35735066

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200703568A ZA200703568B (en) 2004-11-16 2005-10-26 Film grain simulation method based on pre-computed transform coefficients

Country Status (18)

Country Link
US (1) US9177364B2 (es)
EP (1) EP1812904B1 (es)
JP (1) JP4825808B2 (es)
KR (1) KR101170584B1 (es)
CN (1) CN101057259B (es)
AT (1) ATE553455T1 (es)
AU (1) AU2005306921B2 (es)
BR (1) BRPI0517743B1 (es)
CA (1) CA2587201C (es)
ES (1) ES2381982T3 (es)
HK (1) HK1107439A1 (es)
MX (1) MX2007005652A (es)
MY (1) MY159896A (es)
PL (1) PL1812904T3 (es)
PT (1) PT1812904E (es)
RU (1) RU2371769C2 (es)
WO (1) WO2006055193A1 (es)
ZA (1) ZA200703568B (es)

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CN101065970B (zh) 2004-11-23 2010-09-29 汤姆森许可贸易公司 用于仿真胶片颗粒的方法与设备
AU2005309719B2 (en) * 2004-11-24 2010-07-01 Interdigital Vc Holdings, Inc. Film grain simulation technique for use in media playback devices
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ATE553455T1 (de) 2012-04-15
JP2008521282A (ja) 2008-06-19
AU2005306921B2 (en) 2011-03-03
MY159896A (en) 2017-02-15
WO2006055193A1 (en) 2006-05-26
RU2007122488A (ru) 2008-12-27
US9177364B2 (en) 2015-11-03
PT1812904E (pt) 2012-05-22
KR101170584B1 (ko) 2012-08-01
US20070297515A1 (en) 2007-12-27
CA2587201C (en) 2015-10-13
AU2005306921A1 (en) 2006-05-26
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MX2007005652A (es) 2007-06-05
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ES2381982T3 (es) 2012-06-04
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CA2587201A1 (en) 2006-05-26
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EP1812904B1 (en) 2012-04-11
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