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MX2007005651A - Metodo de simulacion de grano de pelicula exacto de bits con base en coeficientes transformados pre-computados. - Google Patents

Metodo de simulacion de grano de pelicula exacto de bits con base en coeficientes transformados pre-computados.

Info

Publication number
MX2007005651A
MX2007005651A MX2007005651A MX2007005651A MX2007005651A MX 2007005651 A MX2007005651 A MX 2007005651A MX 2007005651 A MX2007005651 A MX 2007005651A MX 2007005651 A MX2007005651 A MX 2007005651A MX 2007005651 A MX2007005651 A MX 2007005651A
Authority
MX
Mexico
Prior art keywords
bit
film grain
accurate
method based
transformed coefficients
Prior art date
Application number
MX2007005651A
Other languages
English (en)
Inventor
Jeffrey Allen Cooper
Cristina Gomila
Joan Llach
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 MX2007005651A publication Critical patent/MX2007005651A/es

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • 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
    • H04N19/80—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 OR CALCULATING; 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 OR CALCULATING; 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 OR CALCULATING; 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)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Complex Calculations (AREA)
  • Investigating And Analyzing Materials By Characteristic Methods (AREA)
  • Detection And Correction Of Errors (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

La creacion exacta de bits en el patron de grano de pelicula ocurre al primero establecer un grupo de coeficientes transformados exacto de bits. El grupo de coeficientes transformados exactos de bits experimenta la filtracion de frecuencia y una posterior transformacion inversa exacta de bits para producir el patron de grano de pelicula.
MX2007005651A 2004-11-17 2005-10-26 Metodo de simulacion de grano de pelicula exacto de bits con base en coeficientes transformados pre-computados. MX2007005651A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62883704P 2004-11-17 2004-11-17
PCT/US2005/038802 WO2006055208A1 (en) 2004-11-17 2005-10-26 Bit-accurate film grain simulation method based on pre-computed transformed coefficients

Publications (1)

Publication Number Publication Date
MX2007005651A true MX2007005651A (es) 2007-06-05

Family

ID=35789153

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2007005651A MX2007005651A (es) 2004-11-17 2005-10-26 Metodo de simulacion de grano de pelicula exacto de bits con base en coeficientes transformados pre-computados.

Country Status (18)

Country Link
US (1) US9098916B2 (es)
EP (1) EP1812905B1 (es)
JP (1) JP4965454B2 (es)
KR (1) KR101169826B1 (es)
CN (1) CN101057258A (es)
AU (1) AU2005306936B2 (es)
BR (1) BRPI0517759B1 (es)
CA (1) CA2587117C (es)
ES (1) ES2739452T3 (es)
HU (1) HUE044545T2 (es)
MX (1) MX2007005651A (es)
MY (1) MY140149A (es)
PL (1) PL1812905T3 (es)
PT (1) PT1812905T (es)
RU (1) RU2372659C2 (es)
TR (1) TR201911138T4 (es)
WO (1) WO2006055208A1 (es)
ZA (1) ZA200703946B (es)

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WO2006055208A1 (en) 2006-05-26
US20070269125A1 (en) 2007-11-22
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ES2739452T3 (es) 2020-01-31
JP2008521345A (ja) 2008-06-19
MY140149A (en) 2009-11-30
CN101057258A (zh) 2007-10-17
CA2587117A1 (en) 2006-05-26
EP1812905B1 (en) 2019-07-03
CA2587117C (en) 2014-02-11
AU2005306936A1 (en) 2006-05-26
PL1812905T3 (pl) 2019-10-31
RU2372659C2 (ru) 2009-11-10
ZA200703946B (en) 2008-08-27
TR201911138T4 (tr) 2019-08-21
KR20070084287A (ko) 2007-08-24
US9098916B2 (en) 2015-08-04
PT1812905T (pt) 2019-08-06
JP4965454B2 (ja) 2012-07-04
BRPI0517759B1 (pt) 2017-09-12
RU2007122487A (ru) 2008-12-27
EP1812905A1 (en) 2007-08-01
HUE044545T2 (hu) 2019-10-28
BRPI0517759A (pt) 2008-10-21

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