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MX2018006330A - Manejo de multiples fuentes de imagen de rango dinamico alto (hdr). - Google Patents

Manejo de multiples fuentes de imagen de rango dinamico alto (hdr).

Info

Publication number
MX2018006330A
MX2018006330A MX2018006330A MX2018006330A MX2018006330A MX 2018006330 A MX2018006330 A MX 2018006330A MX 2018006330 A MX2018006330 A MX 2018006330A MX 2018006330 A MX2018006330 A MX 2018006330A MX 2018006330 A MX2018006330 A MX 2018006330A
Authority
MX
Mexico
Prior art keywords
luminance
image
videos
images
unit
Prior art date
Application number
MX2018006330A
Other languages
English (en)
Other versions
MX381499B (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 MX2018006330A publication Critical patent/MX2018006330A/es
Publication of MX381499B publication Critical patent/MX381499B/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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G09G5/026—Control of mixing and/or overlay of colours in general
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits
    • 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
    • H04N1/6027—Correction or control of colour gradation or colour contrast
    • 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
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/265—Mixing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • 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
    • G06T2207/10—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
    • G06T2207/20172—Image enhancement details
    • G06T2207/20208—High dynamic range [HDR] image processing
    • 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
    • G06T2207/20212—Image combination
    • G06T2207/20221—Image fusion; Image merging
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/06—Colour space transformation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/12—Overlay of images, i.e. displayed pixel being the result of switching between the corresponding input pixels
    • G09G2340/125—Overlay of images, i.e. displayed pixel being the result of switching between the corresponding input pixels wherein one of the images is motion video

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Image Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

Para permitir la combinación de imágenes o videos versátil necesaria ahora que aparecen videos de HDR de características de luminancia considerablemente diferentes, el aparato (301) para combinar dos imágenes o dos videos de imágenes (Im_HDR, Im_LDR), uno de ellos que es una imagen o video de intervalo dinámico alto, el aparato comprende: - una unidad de establecimiento de intervalo dinámico (302) dispuesta para establecer un intervalo dinámico de luminancia de combinación (CombRng), que se caracteriza por al menos una luminancia máxima (LMC) que se determina basada en al menos uno de: una luminancia máxima de al menos una de las dos imágenes o los dos videos de imágenes, y un brillo pico de una pantalla para representar las dos imágenes o los dos videos de imágenes, la unidad de establecimiento de intervalo dinámico comprende, además, una unidad de determinación de ancla de luminancia (303), dispuesta para determinar una luminancia de ancla (anc) en el intervalo dinámico de luminancia de combinación (CombRng), - una unidad de transformación de color (310), dispuesta para realizar al menos una transformación de luminancia en al menos una de las dos imágenes o videos, en donde la unidad de transformación de color (310) comprende una unidad de lectura de luminancia de ancla de fuente (311) dispuesta para leer al menos una luminancia de ancla de fuente (L_SA1) de una primera fuente (350) que suministra una primera imagen o video (Im1_LDR) de las dos imágenes o videos, y en donde la unidad de transformación de color se dispone para establecer una transformación de color (FF_1) que se aplicará a la primera imagen o video, cuya transformación de color depende del valor de la luminancia de ancla de fuente (L_SA1) al tener la propiedad de que la luminancia de ancla de fuente (L_SA1) se mapee a una luminancia de salida en un área adyacente de la luminancia de ancla (anc); y - una unidad de combinación de imágenes (320) dispuesta para combinar las dos imágenes o dos videos de imágenes para formar al menos una imagen de salida (Im_o).
MX2018006330A 2015-11-24 2016-11-11 Manejo de múltiples fuentes de imagen de rango dinámico alto (hdr). MX381499B (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15196054 2015-11-24
US201662383692P 2016-09-06 2016-09-06
PCT/EP2016/077373 WO2017089146A1 (en) 2015-11-24 2016-11-11 Handling multiple hdr image sources

Publications (2)

Publication Number Publication Date
MX2018006330A true MX2018006330A (es) 2018-08-29
MX381499B MX381499B (es) 2025-03-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
MX2018006330A MX381499B (es) 2015-11-24 2016-11-11 Manejo de múltiples fuentes de imagen de rango dinámico alto (hdr).

Country Status (5)

Country Link
US (1) US10902567B2 (es)
EP (1) EP3381179B1 (es)
CN (1) CN108521859B (es)
MX (1) MX381499B (es)
WO (1) WO2017089146A1 (es)

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Also Published As

Publication number Publication date
MX381499B (es) 2025-03-12
EP3381179C0 (en) 2024-04-17
EP3381179A1 (en) 2018-10-03
EP3381179B1 (en) 2024-04-17
CN108521859A (zh) 2018-09-11
BR112018010367A2 (pt) 2018-12-04
US20180336669A1 (en) 2018-11-22
CN108521859B (zh) 2020-09-22
US10902567B2 (en) 2021-01-26
WO2017089146A1 (en) 2017-06-01

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