MX350910B - Métodos y dispositivos de codificación y decodificación de imágenes mejoradas de alto rango dinámico (hdr). - Google Patents

Métodos y dispositivos de codificación y decodificación de imágenes mejoradas de alto rango dinámico (hdr).

Info

Publication number
MX350910B
MX350910B MX2015010673A MX2015010673A MX350910B MX 350910 B MX350910 B MX 350910B MX 2015010673 A MX2015010673 A MX 2015010673A MX 2015010673 A MX2015010673 A MX 2015010673A MX 350910 B MX350910 B MX 350910B
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MX
Mexico
Prior art keywords
dynamic range
image
hdr
color mapping
high dynamic
Prior art date
Application number
MX2015010673A
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English (en)
Other versions
MX2015010673A (es
Inventor
Jozef Willem Mertens Mark
Original Assignee
Koninklijke Philips Nv
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Publication date
Application filed by Koninklijke Philips Nv filed Critical Koninklijke Philips Nv
Publication of MX2015010673A publication Critical patent/MX2015010673A/es
Publication of MX350910B publication Critical patent/MX350910B/es

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/90Dynamic range modification of images or parts thereof
    • G06T5/92Dynamic range modification of images or parts thereof based on global image properties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/98Adaptive-dynamic-range coding [ADRC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/56Processing of colour picture signals
    • H04N1/60Colour correction or control
    • H04N1/6058Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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 a colour or a chrominance component
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/20Circuitry for controlling amplitude response
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/64Circuits for processing colour signals
    • H04N9/68Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10024Color image
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20092Interactive image processing based on input by user
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20172Image enhancement details
    • G06T2207/20208High dynamic range [HDR] image processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/64Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor

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)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

Para permitir que los clasificadores hagan un contenido de apariencia óptima de las escenas HDR para varias pantallas de representación, los inventores han inventado un codificador de imagen (202) que comprende: una entrada (240) para una imagen de entrada de rango dinámico alto (M_HDR); una unidad de gradación de imagen (201) arreglada para permitir que un clasificador de color humano especifique un mapeo de color de una representación (HDRRLP) de la imagen de entrada de rango dinámico alto definido de acuerdo con una precisión predefinida, para una imagen de rango dinámico bajo (Im_LDR) por medio de un algoritmo de mapeo de color determinado por humano, y arreglado para enviar datos que especifican el mapeo de color (Fi(MP_DH)); y una unidad de gradación automática (203) arreglada para derivar una segunda imagen de rango dinámico bajo (GT_IDR) al aplicar un algoritmo de mapeo de color automático a una de la imagen de entrada de rango dinámico alto (M_HDR) o la imagen de rango dinámico bajo (Im_LDR). También los inventores describen y están interesados en una nueva estrategia de procesamiento de saturación útiles en la tecnología de manejo de imágenes de rango dinámico alto que recientemente emerge.
MX2015010673A 2013-02-21 2014-02-07 Métodos y dispositivos de codificación y decodificación de imágenes mejoradas de alto rango dinámico (hdr). MX350910B (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361767314P 2013-02-21 2013-02-21
US201361868111P 2013-08-21 2013-08-21
PCT/IB2014/058848 WO2014128586A1 (en) 2013-02-21 2014-02-07 Improved hdr image encoding and decoding methods and devices

Publications (2)

Publication Number Publication Date
MX2015010673A MX2015010673A (es) 2015-12-16
MX350910B true MX350910B (es) 2017-09-25

Family

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MX2015010673A MX350910B (es) 2013-02-21 2014-02-07 Métodos y dispositivos de codificación y decodificación de imágenes mejoradas de alto rango dinámico (hdr).

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US (2) US9699482B2 (es)
EP (1) EP2959672B1 (es)
JP (2) JP6309978B2 (es)
CN (2) CN109064433B (es)
ES (1) ES2770426T3 (es)
MX (1) MX350910B (es)
PL (1) PL2959672T3 (es)
RU (1) RU2633128C2 (es)
WO (1) WO2014128586A1 (es)

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