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WO2016098992A1 - Dispositif d'affichage et procédé de commande dudit dispositif - Google Patents

Dispositif d'affichage et procédé de commande dudit dispositif Download PDF

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Publication number
WO2016098992A1
WO2016098992A1 PCT/KR2015/008685 KR2015008685W WO2016098992A1 WO 2016098992 A1 WO2016098992 A1 WO 2016098992A1 KR 2015008685 W KR2015008685 W KR 2015008685W WO 2016098992 A1 WO2016098992 A1 WO 2016098992A1
Authority
WO
WIPO (PCT)
Prior art keywords
image
display unit
apl
tone mapping
peak luminance
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2015/008685
Other languages
English (en)
Korean (ko)
Inventor
권미연
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of WO2016098992A1 publication Critical patent/WO2016098992A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • 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
    • 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

Definitions

  • FIG. 3 is a block diagram illustrating the detailed configuration of the controller of FIG. 2 according to an embodiment of the present invention.
  • the service provider 20 provides a service to the client 100 in a uni-cast or multi-cast manner.
  • the service provider 20 may transmit data to a plurality of clients 100 registered in advance, for this purpose may use the Internet Group Management Protocol (IGMP) protocol.
  • IGMP Internet Group Management Protocol
  • controller 270 may include a demultiplexer, an image processor, and the like.
  • the image processor 320 performs image processing of the demultiplexed image signal.
  • the image processor 320 may include an image decoder 325 and a scaler 335.
  • FIG. 4 is a diagram illustrating input means connected to the display device of FIG. 2 according to an embodiment of the present invention.
  • the remote controller 410 refers to conventional input means equipped with various key buttons necessary for controlling the display device 200.
  • the pointing device 420 is equipped with a gyro sensor or the like and implements a pointer corresponding to the screen of the display device 200 based on a user's movement, pressure, rotation, and the like, and the display device 200. Transmits a predetermined control command.
  • the pointing device 420 may be named by various names such as a magic remote controller and a magic controller.
  • the controller 270 may variably apply a luminance curve for tone mapping of the image according to a characteristic (eg, APL) of the image included in the received content. For example, when the peak luminance value of the display unit 280 corresponding to the obtained APL is 5000 nit and the black level of the display unit 280 is 0.1 nit, the controller 270 may have 0.1 nit.
  • APL characteristic
  • the user can provide the optimized HDR content by changing the luminance curve for tone mapping of the input image, and display the tone when the tone mapping of the input image is performed.
  • the user can provide the optimized HDR content by changing the luminance curve for tone mapping of the input image, and display the tone when the tone mapping of the input image is performed.
  • the luminance curve for tone mapping of the input image is changed by reflecting the block-specific characteristics of the input image (image), so that the display device 200 can reproduce the characteristics of HDR in more detail. There is.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

La présente invention concerne un dispositif d'affichage et un procédé de commande dudit dispositif. Selon un mode de réalisation, la présente invention concerne un dispositif d'affichage comprenant : une unité de réception servant à recevoir un contenu comprenant une image à grande gamme dynamique (HDR) et les métadonnées du contenu (les métadonnées contiennent une ou plusieurs informations représentant la grande gamme dynamique de l'image, le pic de luminance de l'image et la courbe de luminance de l'image); et une unité de commande, l'unité de commande obtenant un niveau moyen de luminance (APL) de l'image inclus dans le contenu reçu, détectant le pic de luminance de l'unité d'affichage correspondant à l'APL obtenu, et effectuant un mappage tonal de l'image sur la base du pic de luminance détecté et des métadonnées reçues.
PCT/KR2015/008685 2014-12-19 2015-08-20 Dispositif d'affichage et procédé de commande dudit dispositif Ceased WO2016098992A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0184292 2014-12-19
KR1020140184292A KR102317035B1 (ko) 2014-12-19 2014-12-19 디스플레이 디바이스 및 그 제어 방법

Publications (1)

Publication Number Publication Date
WO2016098992A1 true WO2016098992A1 (fr) 2016-06-23

Family

ID=56126840

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2015/008685 Ceased WO2016098992A1 (fr) 2014-12-19 2015-08-20 Dispositif d'affichage et procédé de commande dudit dispositif

Country Status (2)

Country Link
KR (1) KR102317035B1 (fr)
WO (1) WO2016098992A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019198899A1 (fr) * 2018-04-10 2019-10-17 Lg Electronics Inc. Dispositif multimédia permettant de traiter un signal vidéo et son procédé de commande
US11361699B2 (en) 2018-09-17 2022-06-14 Dolby Laboratories Licensing Corporation Display mapping for high dynamic range images on power-limiting displays
CN115620660A (zh) * 2021-09-22 2023-01-17 荣耀终端有限公司 基于帧数据的显示驱动方法、电子设备及存储介质

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102488954B1 (ko) * 2016-05-16 2023-01-16 엘지전자 주식회사 영상 처리 장치 및 그의 영상 처리 방법
JP6738972B2 (ja) * 2017-02-15 2020-08-12 ドルビー ラボラトリーズ ライセンシング コーポレイション ハイダイナミックレンジ画像のためのトーン曲線マッピング
KR102701764B1 (ko) * 2019-06-28 2024-09-02 삼성전자주식회사 영상을 처리하는 전자 장치 및 그 영상 처리 방법
EP4006823B1 (fr) * 2019-07-31 2025-09-03 LG Electronics Inc. Dispositif d'affichage et son procédé de fonctionnement
KR102838122B1 (ko) 2021-02-26 2025-07-25 삼성전자주식회사 디스플레이 장치 및 그 광원 장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100025690A (ko) * 2008-08-28 2010-03-10 엘지전자 주식회사 플라즈마 디스플레이 패널 구동 장치 및 채널별 콘트라스트보상 방법
KR20110052320A (ko) * 2009-11-12 2011-05-18 엘지전자 주식회사 영상 신호 처리 방법 및 영상 신호 처리 장치
KR20120000252A (ko) * 2010-06-25 2012-01-02 엘지디스플레이 주식회사 표시장치와 그의 콘트라스트 향상 방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
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KR20100025690A (ko) * 2008-08-28 2010-03-10 엘지전자 주식회사 플라즈마 디스플레이 패널 구동 장치 및 채널별 콘트라스트보상 방법
KR20110052320A (ko) * 2009-11-12 2011-05-18 엘지전자 주식회사 영상 신호 처리 방법 및 영상 신호 처리 장치
KR20120000252A (ko) * 2010-06-25 2012-01-02 엘지디스플레이 주식회사 표시장치와 그의 콘트라스트 향상 방법

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
LEE, JOO HYUN: "Efficient Tone Reproduction Techniques for Displaying High Dynamic Range Image", MASTER'S THESIS (DOCTORAL), GRADUATE SCHOOL OF HANYANG UNIVERSITY, August 2010 (2010-08-01) *
MANTIUK. RAFAL ET AL.: "Display Adaptive Tone Mapping", ACM TRANSACTIONS ON GRAPHICS, vol. 27, no. 3, August 2008 (2008-08-01) *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019198899A1 (fr) * 2018-04-10 2019-10-17 Lg Electronics Inc. Dispositif multimédia permettant de traiter un signal vidéo et son procédé de commande
US10715775B2 (en) 2018-04-10 2020-07-14 Lg Electronics Inc. Multimedia device for processing video signal and control method thereof
US11361699B2 (en) 2018-09-17 2022-06-14 Dolby Laboratories Licensing Corporation Display mapping for high dynamic range images on power-limiting displays
CN115620660A (zh) * 2021-09-22 2023-01-17 荣耀终端有限公司 基于帧数据的显示驱动方法、电子设备及存储介质
CN115620660B (zh) * 2021-09-22 2023-11-03 荣耀终端有限公司 基于帧数据的显示驱动方法、电子设备及存储介质
US12333983B2 (en) 2021-09-22 2025-06-17 Honor Device Co., Ltd. Display drive method based on frame data, electronic device, and storage medium

Also Published As

Publication number Publication date
KR102317035B1 (ko) 2021-10-25
KR20160074970A (ko) 2016-06-29

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