BR112017015937A2 - método e dispositivo para o mapeamento de uma imagem hdr para uma imagem sdr e correspondentes método e dispositivo de mapeamento de sdr para hdr - Google Patents

método e dispositivo para o mapeamento de uma imagem hdr para uma imagem sdr e correspondentes método e dispositivo de mapeamento de sdr para hdr

Info

Publication number
BR112017015937A2
BR112017015937A2 BR112017015937A BR112017015937A BR112017015937A2 BR 112017015937 A2 BR112017015937 A2 BR 112017015937A2 BR 112017015937 A BR112017015937 A BR 112017015937A BR 112017015937 A BR112017015937 A BR 112017015937A BR 112017015937 A2 BR112017015937 A2 BR 112017015937A2
Authority
BR
Brazil
Prior art keywords
mapping
hdr
image
sdr
dynamic range
Prior art date
Application number
BR112017015937A
Other languages
English (en)
Inventor
LELEANNEC Fabrice
Lopez Patrick
Lasserre Sébastien
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
Priority claimed from EP15305113.1A external-priority patent/EP3051487A1/en
Application filed by Thomson Licensing filed Critical Thomson Licensing
Publication of BR112017015937A2 publication Critical patent/BR112017015937A2/pt

Links

Classifications

    • G06T5/92—
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Picture Signal Circuits (AREA)
  • Studio Devices (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

a presente invenção se refere a um método que compreende o mapeamento de uma imagem de alta faixa dinâmica de luminância para uma imagem de faixa dinâmica padrão de luminância com base em um valor de luz de fundo bac associado à imagem de alta faixa dinâmica de luminância.
BR112017015937A 2015-01-30 2016-01-18 método e dispositivo para o mapeamento de uma imagem hdr para uma imagem sdr e correspondentes método e dispositivo de mapeamento de sdr para hdr BR112017015937A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15305113.1A EP3051487A1 (en) 2015-01-30 2015-01-30 Method and device for mapping a HDR picture to a SDR picture and corresponding SDR to HDR mapping method and device
EP15306397 2015-09-11
PCT/EP2016/050880 WO2016120108A1 (en) 2015-01-30 2016-01-18 Method and device for mapping a hdr picture to a sdr picture and corresponding sdr to hdr mapping method and device

Publications (1)

Publication Number Publication Date
BR112017015937A2 true BR112017015937A2 (pt) 2018-03-27

Family

ID=55177937

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017015937A BR112017015937A2 (pt) 2015-01-30 2016-01-18 método e dispositivo para o mapeamento de uma imagem hdr para uma imagem sdr e correspondentes método e dispositivo de mapeamento de sdr para hdr

Country Status (7)

Country Link
US (1) US20180005357A1 (pt)
EP (1) EP3251083A1 (pt)
JP (1) JP2018506916A (pt)
KR (1) KR20170115528A (pt)
CN (1) CN107209928A (pt)
BR (1) BR112017015937A2 (pt)
WO (1) WO2016120108A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10218952B2 (en) 2016-11-28 2019-02-26 Microsoft Technology Licensing, Llc Architecture for rendering high dynamic range video on enhanced dynamic range display devices
US10176561B2 (en) 2017-01-27 2019-01-08 Microsoft Technology Licensing, Llc Content-adaptive adjustments to tone mapping operations for high dynamic range content
US10104334B2 (en) 2017-01-27 2018-10-16 Microsoft Technology Licensing, Llc Content-adaptive adjustment of display device brightness levels when rendering high dynamic range content
EP3367658A1 (en) * 2017-02-24 2018-08-29 Thomson Licensing Method and device for reconstructing an hdr image
CN107277399B (zh) * 2017-06-09 2020-10-20 深圳Tcl新技术有限公司 电视终端及hdr图像转为sdr的方法和计算机可读存储介质
CN110770787B (zh) * 2017-06-16 2023-04-07 杜比实验室特许公司 高效端到端单层逆向显示管理编码
EP3477946A1 (en) 2017-10-31 2019-05-01 Thomson Licensing Method and device for obtaining a second image from a first image when the dynamic range of the luminance of said first image is greater than the dynamic range of the luminance of said second image
US10546554B2 (en) * 2018-03-26 2020-01-28 Dell Products, Lp System and method for adaptive tone mapping for high dynamic ratio digital images
US10917583B2 (en) 2018-04-27 2021-02-09 Apple Inc. Standard and high dynamic range display systems and methods for high dynamic range displays
US11030960B2 (en) * 2018-05-29 2021-06-08 Synaptics Incorporated Host content adaptive backlight control (CABC) and local dimming
US10957024B2 (en) 2018-10-30 2021-03-23 Microsoft Technology Licensing, Llc Real time tone mapping of high dynamic range image data at time of playback on a lower dynamic range display
EP3734588B1 (en) * 2019-04-30 2022-12-07 Dolby Laboratories Licensing Corp. Color appearance preservation in video codecs
CN110223244B (zh) * 2019-05-13 2021-08-27 浙江大华技术股份有限公司 一种图像处理的方法、装置、电子设备和存储介质
EP3839876A1 (en) * 2019-12-20 2021-06-23 Fondation B-COM Method for converting an image and corresponding device
US11587213B1 (en) * 2021-11-05 2023-02-21 GM Cruise Holdings LLC. Preserving dynamic range in images

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8107756B2 (en) * 2007-10-11 2012-01-31 Himax Technologies Limited Digital image tone remapping method and apparatus
KR101539379B1 (ko) * 2008-12-31 2015-07-29 주식회사 동부하이텍 실시간 영상 발생기
GB2486348B (en) * 2009-10-08 2014-11-12 Ibm Method and system for transforming a digital image from a low dynamic range (LDR) image to a high dynamic range (HDR) image
EP2591602A1 (en) * 2010-07-06 2013-05-15 Koninklijke Philips Electronics N.V. Generation of high dynamic range images from low dynamic range images
US9641894B2 (en) * 2012-09-12 2017-05-02 Koninklijke Philips N.V. Making HDR viewing a content owner agreed process

Also Published As

Publication number Publication date
CN107209928A (zh) 2017-09-26
WO2016120108A1 (en) 2016-08-04
US20180005357A1 (en) 2018-01-04
EP3251083A1 (en) 2017-12-06
KR20170115528A (ko) 2017-10-17
JP2018506916A (ja) 2018-03-08

Similar Documents

Publication Publication Date Title
BR112017015937A2 (pt) método e dispositivo para o mapeamento de uma imagem hdr para uma imagem sdr e correspondentes método e dispositivo de mapeamento de sdr para hdr
IL259072B (en) Dynamic display calibration based on eye tracking
IL271963A (en) Fan assembly for image display
EP3321718A4 (en) PHOSPHORI LAYER, WHITE LIGHT SOURCE DEVICE WITH THIS PHOSPHOROUS LAYER AND DISPLAY DEVICE WITH THIS WHITE LIGHT SOURCE APPARATUS
EP3486708A4 (en) DIMM, IMAGE DISPLAY AND DISPLAY DEVICE
IL253409A0 (en) Display management for high dynamic range video
EP3568735A4 (en) ELECTRONIC DEVICE WITH LIGHT SOURCE
BR112015027790A2 (pt) Placa de osteossíntese e segmento para uma placa de osteossíntese
EP3279550A4 (en) Partial drive-type light source device and image display device using same
GB201622426D0 (en) Optical member for enhancing luminance and organic light emitting display device having the same
EP3296377A4 (en) Phosphor, production method for same, illumination instrument, and image display device
BR112017012637A2 (pt) método para exibir características termográficas em uma difusão, e, sistema para exibir características termográficas e efeitos em uma difusão
SG11201800454TA (en) Color conversion composition, color conversion film and backlight unit, display and lighting device each comprising same
EP3438229A4 (en) FLUORESCENT BODY, LIGHT EMITTING DEVICE, LIGHTING APPARATUS, AND IMAGE DISPLAY APPARATUS
BR112016021242A2 (pt) Método e dispositivo para controlar luminescência
EP3309592A4 (en) DIFFUSER PLATE, DISPLAY DEVICE, PROJECTION DEVICE AND LIGHTING DEVICE
EP3424036A4 (en) METHOD OF ADJUSTING THE BACKLIGHT BRIGHTNESS LEVELS, ASSOCIATED BACKLAMPING DEVICE AND RELATED DISPLAY DEVICE
EP3343252A4 (en) DIFFUSION PLATE, DISPLAY DEVICE, PROJECTION DEVICE, AND LIGHTING DEVICE
EP3358399A4 (en) DISPLAY DEVICE, BACKLIGHTING DEVICE AND LIGHT SOURCE ARRANGEMENT
BR112017028520A2 (pt) Sistemas adesivo de laminação - poliéster- policarbonato-poliol
BR112019000808A2 (pt) trabalhando um grupo de imagens para um nível desejado de zoom e um objeto de interesse entre as transições de imagem referência cruzada à aplicação relativa
EP3343550A4 (en) LED DISPLAY DEVICE AND METHOD FOR CORRECTING THE LUMINANCE THEREOF
EP3514784A4 (en) MULTI-LAYER DISPLAY FOR ANIMATION
EP3297046A4 (en) Light-emitting instrument and image display device
CL2018002522A1 (es) Método de cuantificación de pureza de muestras de partículas subvisibles

Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]
B25H Request for change of headquarter rejected

Owner name: THOMSON LICENSING (FR)

Free format text: INDEFERIDO O PEDIDO DE ALTERACAO DE SEDE CONTIDO NA PETICAO 870190057933 DE 24/06/2019, EM VIRTUDE DO DESPACHO PUBLICADO NA RPI NO 2521 DE 30/04/2019.

B25B Requested transfer of rights rejected

Owner name: THOMSON LICENSING (FR)

Free format text: INDEFERIDO O PEDIDO DE TRANSFERENCIA CONTIDO NA PETICAO 870190057933 DE 24/06/2019, EM VIRTUDE DO DESPACHO PUBLICADO NA RPI NO 2521 DE 30/04/2019.