BR112015005153A2 - aparelho de transformação de imagem, servidor de fornecimento de dados de algoritmo de mapeamento predefinido, método de obtenção de uma primeira imagem (hdr_pred) de lumas para um primeiro alcance dinâmico de luminância a partir da segunda imagem (ldr_cont) de lumas para um segundo alcance dinâmico de luminância e método de fornecimento de dados de algoritmo de mapeamento predefinido (gam, gam_enc) para transformar uma segunda imagem (ldr_cont) graduada para renderização em um display de um segundo alcance dinâmico de luminância - Google Patents

aparelho de transformação de imagem, servidor de fornecimento de dados de algoritmo de mapeamento predefinido, método de obtenção de uma primeira imagem (hdr_pred) de lumas para um primeiro alcance dinâmico de luminância a partir da segunda imagem (ldr_cont) de lumas para um segundo alcance dinâmico de luminância e método de fornecimento de dados de algoritmo de mapeamento predefinido (gam, gam_enc) para transformar uma segunda imagem (ldr_cont) graduada para renderização em um display de um segundo alcance dinâmico de luminância

Info

Publication number
BR112015005153A2
BR112015005153A2 BR112015005153A BR112015005153A BR112015005153A2 BR 112015005153 A2 BR112015005153 A2 BR 112015005153A2 BR 112015005153 A BR112015005153 A BR 112015005153A BR 112015005153 A BR112015005153 A BR 112015005153A BR 112015005153 A2 BR112015005153 A2 BR 112015005153A2
Authority
BR
Brazil
Prior art keywords
image
dynamic range
gam
ldr
cont
Prior art date
Application number
BR112015005153A
Other languages
English (en)
Portuguese (pt)
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 BR112015005153A2 publication Critical patent/BR112015005153A2/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/254—Management at additional data server, e.g. shopping server, rights management server
    • H04N21/2541—Rights Management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management e.g. creating a master electronic programme guide from data received from the Internet and a Head-end or controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4627—Rights management associated to the content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Technology Law (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Television Signal Processing For Recording (AREA)
BR112015005153A 2012-09-12 2013-09-08 aparelho de transformação de imagem, servidor de fornecimento de dados de algoritmo de mapeamento predefinido, método de obtenção de uma primeira imagem (hdr_pred) de lumas para um primeiro alcance dinâmico de luminância a partir da segunda imagem (ldr_cont) de lumas para um segundo alcance dinâmico de luminância e método de fornecimento de dados de algoritmo de mapeamento predefinido (gam, gam_enc) para transformar uma segunda imagem (ldr_cont) graduada para renderização em um display de um segundo alcance dinâmico de luminância BR112015005153A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261699935P 2012-09-12 2012-09-12
PCT/IB2013/058384 WO2014041471A1 (en) 2012-09-12 2013-09-08 Making hdr viewing a content owner agreed process

Publications (1)

Publication Number Publication Date
BR112015005153A2 true BR112015005153A2 (pt) 2017-07-04

Family

ID=49620245

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015005153A BR112015005153A2 (pt) 2012-09-12 2013-09-08 aparelho de transformação de imagem, servidor de fornecimento de dados de algoritmo de mapeamento predefinido, método de obtenção de uma primeira imagem (hdr_pred) de lumas para um primeiro alcance dinâmico de luminância a partir da segunda imagem (ldr_cont) de lumas para um segundo alcance dinâmico de luminância e método de fornecimento de dados de algoritmo de mapeamento predefinido (gam, gam_enc) para transformar uma segunda imagem (ldr_cont) graduada para renderização em um display de um segundo alcance dinâmico de luminância

Country Status (8)

Country Link
US (1) US9641894B2 (https=)
EP (1) EP2898474A1 (https=)
JP (1) JP6243912B2 (https=)
CN (1) CN104620281B (https=)
BR (1) BR112015005153A2 (https=)
MX (1) MX352598B (https=)
RU (1) RU2651225C2 (https=)
WO (1) WO2014041471A1 (https=)

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CN107005716B (zh) 2014-10-10 2020-06-23 皇家飞利浦有限公司 图像编码的方法、图像解码的方法、图像编码器、图像解码器以及显示装置
EP3051488A1 (en) * 2015-01-30 2016-08-03 Thomson Licensing A method and apparatus for inverse-tone mapping a picture
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Also Published As

Publication number Publication date
US20150245096A1 (en) 2015-08-27
CN104620281A (zh) 2015-05-13
JP6243912B2 (ja) 2017-12-06
US9641894B2 (en) 2017-05-02
EP2898474A1 (en) 2015-07-29
WO2014041471A1 (en) 2014-03-20
RU2015113395A (ru) 2016-11-10
CN104620281B (zh) 2018-08-14
RU2651225C2 (ru) 2018-04-18
JP2015534114A (ja) 2015-11-26
MX352598B (es) 2017-11-30
MX2015003030A (es) 2015-06-10

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]