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
Authority
MX
Mexico
Prior art keywords
image
dynamic range
color mapping
high dynamic
hdr
Prior art date
Application number
MX2015010673A
Other languages
English (en)
Other versions
MX2015010673A (es
Inventor
Jozef Willem Mertens Mark
Original Assignee
Koninklijke Philips Nv
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 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

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image 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
    • H04N19/90—Methods 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
    • H04N19/98—Adaptive-dynamic-range coding [ADRC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6058—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut
    • 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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • 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
    • G06T2207/10024—Color image
    • 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
    • G06T2207/20092—Interactive image processing based on input by user
    • 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
    • G06T2207/20208—High dynamic range [HDR] image processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/64—Systems 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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Family Applications (1)

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

Country Status (9)

Country Link
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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