JP5299866B2 - 映像表示装置 - Google Patents
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- JP5299866B2 JP5299866B2 JP2009120472A JP2009120472A JP5299866B2 JP 5299866 B2 JP5299866 B2 JP 5299866B2 JP 2009120472 A JP2009120472 A JP 2009120472A JP 2009120472 A JP2009120472 A JP 2009120472A JP 5299866 B2 JP5299866 B2 JP 5299866B2
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- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
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- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
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- G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
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- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42201—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] biosensors, e.g. heat sensor for presence detection, EEG sensors or any limb activity sensors worn by the user
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- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Social Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Human Computer Interaction (AREA)
- Computer Hardware Design (AREA)
- Controls And Circuits For Display Device (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
すると、特許文献1に開示の技術では、ユーザが表示画面を注視しているにも関わらず画面の輝度を下げてしまったり、利用者が表示画面を注視していないにも関わらず画面の輝度を下げないままとしてしまうなど、好適な消費電力の低減制御を行うことができないという課題があった。
〔参考文献1〕特開2007-286995
次に得られたカメラに対する上下と左右の顔方向が、予め設定しておいた閾値よりも小さいかどうかを判定する(ステップS03004)。これはユーザが映像表示装置の方向に顔が向いているかどうかの判定と同値である。カメラに対する顔方向が閾値よりも小さければ、映像表示装置を注視していると判断してステップS03005へすすみ、大きければ映像表示装置を注視していないと判断してステップS03006へ進む。
200 表示パネル
300 リモートコントローラー
400 リモコン信号入力部
500 スピーカ
600 記録装置
700 カメラ
710 センサ
800 アンテナ
900 インターネット
1000 携帯電話
1100 無線インターフェイス
1200 サーバ
1300 映像表示装置
1400 映像表示装置
Claims (2)
- 映像表示装置であって、
映像信号を入力する入力部と、
前記入力部に入力した映像信号の再生処理を行う出力制御部と、
前記出力制御部が再生した映像信号に基づいて映像を表示する表示部と、
前記映像表示装置の利用者を撮像する撮像部と、
前記撮像部が撮像した画像を解析し、前記利用者が前記表示部の表示画面を注視しているか否かを判定する注視有無判定部と、
前記注視有無判定部の判定結果に基づいて、前記表示部の光源の光量制御処理および前記出力制御部における再生処理を、通常モード処理と省電力モード処理とで切り替える制御部と、を備え、
注視有無判定部は、前記撮像部が撮像した画像から前記利用者の顔方向または視線方向を検出し、検出した方向が閾値範囲以内であれば、前記利用者が前記表示部の表示画面を注視していると判定し、検出した方向が閾値範囲を超えている場合は、前記利用者が前記表示部の表示画面を注視していないと判定し、
前記制御部は、前記注視有無判定部により注視していると判定された場合には、前記省電力モード処理から前記通常モード処理への切り替えを行い、前記表示部の画面全体または一部に対応する光源の光量を前記省電力モード処理での光量よりも大きくする制御または光源を点灯する制御を行い、注視していないと判定された場合には、前記通常モード処理から前記省電力モード処理への切り替えを行い、前記表示部の画面全体または一部に対応する光源の光量を通常モード処理での光量よりも小さくする制御または光源を消灯する制御を行い、
前記出力制御部は、前記省電力モード処理の場合に、消費電力の節減量を示す文字情報または図形情報を映像信号に重畳して前記表示部に表示することを特徴とする映像表示装置。 - 映像表示装置であって、
映像信号を入力する入力部と、
前記入力部に入力した映像信号の再生処理を行う出力制御部と、
前記出力制御部が再生した映像信号に基づいて映像を表示する表示部と、
前記映像表示装置の利用者を撮像する撮像部と、
前記撮像部が撮像した画像を解析し、前記利用者が前記表示部の表示画面を注視しているか否かを判定する注視有無判定部と、
前記注視有無判定部の判定結果に基づいて、前記表示部の光源の光量制御処理および前記出力制御部における再生処理を、通常モード処理と省電力モード処理とで切り替える制御部と、を備え、
注視有無判定部は、前記撮像部が撮像した画像から前記利用者の顔方向または視線方向を検出し、検出した方向が閾値範囲以内であれば、前記利用者が前記表示部の表示画面を注視していると判定し、検出した方向が閾値範囲を超えている場合は、前記利用者が前記表示部の表示画面を注視していないと判定し、
前記制御部は、前記注視有無判定部により注視していると判定された場合には、前記省電力モード処理から前記通常モード処理への切り替えを行い、前記表示部の画面全体または一部に対応する光源の光量を前記省電力モード処理での光量よりも大きくする制御または光源を点灯する制御を行い、注視していないと判定された場合には、前記通常モード処理から前記省電力モード処理への切り替えを行い、前記表示部の画面全体または一部に対応する光源の光量を通常モード処理での光量よりも小さくする制御または光源を消灯する制御を行い、
前記入力部に入力された映像信号に含まれる映像に重畳された字幕情報、または前記入力部に入力された映像信号とともに入力される字幕情報の前記表示部における表示領域を算出する字幕表示領域算出部を備え、
前記制御部は、前記省電力モード処理の場合に、前記字幕表示領域算出部が算出した前記字幕情報の表示領域に対応する光源の光量を、その他の光源の光量よりも大きくすることを特徴とする映像表示装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009120472A JP5299866B2 (ja) | 2009-05-19 | 2009-05-19 | 映像表示装置 |
CN201010178203.1A CN101894502B (zh) | 2009-05-19 | 2010-05-13 | 影像显示装置 |
US12/782,421 US20100295839A1 (en) | 2009-05-19 | 2010-05-18 | Image Display Device |
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JP2009120472A JP5299866B2 (ja) | 2009-05-19 | 2009-05-19 | 映像表示装置 |
Publications (2)
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JP2010271339A JP2010271339A (ja) | 2010-12-02 |
JP5299866B2 true JP5299866B2 (ja) | 2013-09-25 |
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JP2009120472A Active JP5299866B2 (ja) | 2009-05-19 | 2009-05-19 | 映像表示装置 |
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US (1) | US20100295839A1 (ja) |
JP (1) | JP5299866B2 (ja) |
CN (1) | CN101894502B (ja) |
Families Citing this family (78)
Publication number | Priority date | Publication date | Assignee | Title |
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US20110211738A1 (en) * | 2009-12-23 | 2011-09-01 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Identifying a characteristic of an individual utilizing facial recognition and providing a display for the individual |
JP5528318B2 (ja) * | 2010-03-23 | 2014-06-25 | パナソニック株式会社 | 表示装置 |
JP2012109810A (ja) * | 2010-11-17 | 2012-06-07 | Panasonic Corp | 表示装置、表示制御方法、携帯電話及び半導体装置 |
US20120170666A1 (en) * | 2010-12-29 | 2012-07-05 | Sankaranarayanan Venkatasubramanian | Power optimization for special media playback scenarios |
JP5107482B2 (ja) * | 2011-02-04 | 2012-12-26 | パナソニック株式会社 | 表示装置、眼鏡装置及び映像システム |
JP5510366B2 (ja) * | 2011-03-08 | 2014-06-04 | カシオ計算機株式会社 | 画像表示制御装置及びプログラム |
EP2499963A1 (en) * | 2011-03-18 | 2012-09-19 | SensoMotoric Instruments Gesellschaft für innovative Sensorik mbH | Method and apparatus for gaze point mapping |
US10139900B2 (en) * | 2011-04-12 | 2018-11-27 | Mobile Communication Technologies, Llc | Mobile communicator device including user attentiveness detector |
JP5362932B2 (ja) * | 2011-04-13 | 2013-12-11 | シャープ株式会社 | 表示装置、表示方法 |
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