WO2010054594A1 - 图片显示方法及其装置 - Google Patents

图片显示方法及其装置 Download PDF

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Publication number
WO2010054594A1
WO2010054594A1 PCT/CN2009/074917 CN2009074917W WO2010054594A1 WO 2010054594 A1 WO2010054594 A1 WO 2010054594A1 CN 2009074917 W CN2009074917 W CN 2009074917W WO 2010054594 A1 WO2010054594 A1 WO 2010054594A1
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Prior art keywords
picture
unit
decoding
displaying
displayed
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PCT/CN2009/074917
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English (en)
French (fr)
Inventor
周学中
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华为终端有限公司
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Publication of WO2010054594A1 publication Critical patent/WO2010054594A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00885Power supply means, e.g. arrangements for the control of power supply to the apparatus or components thereof
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/363Graphics controllers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00885Power supply means, e.g. arrangements for the control of power supply to the apparatus or components thereof
    • H04N1/00888Control thereof
    • H04N1/00891Switching on or off, e.g. for saving power when not in use
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02Details of power systems and of start or stop of display operation
    • G09G2330/021Power management, e.g. power saving
    • G09G2330/022Power management, e.g. power saving in absence of operation, e.g. no data being entered during a predetermined time
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00Aspects of display data processing
    • G09G2340/02Handling of images in compressed format, e.g. JPEG, MPEG
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0077Types of the still picture apparatus
    • H04N2201/0089Image display device

Definitions

  • the present invention relates to the field of electronic technology, and more particularly to a picture display method and apparatus therefor. Background technique
  • a digital photo frame is a digital display photo frame, which can decode a digital image file and display it in a display device.
  • a digital display photo frame which can decode a digital image file and display it in a display device.
  • its use is simple, and therefore, the application of the digital photo frame is also showing an increasingly wide trend, digital It is more and more common to put a photo frame on the desktop for picture playback.
  • An object of the embodiments of the present invention is to provide a picture display method and apparatus therefor.
  • the embodiment of the present invention in the process of displaying and displaying the picture, the operation of the energy-consuming components other than the display unit for displaying the picture is stopped, thereby achieving the purpose of saving electric energy.
  • an embodiment of the present invention provides a picture display method, where the method includes: decoding at least one picture that is pre-displayed; when decoding at least one of the pre-displayed pictures is completed, Displaying an energy consuming unit other than the at least one picture; displaying the decoded at least one picture.
  • an embodiment of the present invention provides a picture display device, where the device includes: a decoding unit, configured to decode at least one picture that is pre-displayed;
  • a first determining unit connected to the decoding unit, configured to determine whether decoding of the pre-displayed at least one picture is completed;
  • control unit connected to the first determining unit, configured to turn off an energy consuming unit other than the display unit when the decoding is completed;
  • a display unit connected to the first determining unit, for displaying the decoded at least one picture.
  • An advantageous effect of the embodiment of the present invention is that, after the picture is decoded, in the process of playing and displaying, the operation of the energy-consuming component other than the display unit for displaying the picture is stopped, and only the operation of the display unit is retained, thereby saving the power of the picture display device.
  • FIG. 1 is a schematic view showing the configuration of a picture display device according to Embodiment 1 of the present invention.
  • Figure 2 is a block diagram showing the structure of a picture display device according to a second embodiment of the present invention.
  • FIG. 3 is a flowchart of a picture display method according to Embodiment 3 of the present invention.
  • Fig. 4 is a flow chart showing a picture display method in the fourth embodiment of the present invention. detailed description
  • the embodiment of the present invention provides a picture display device.
  • the device includes: a decoding unit 101, configured to decode at least one picture that is pre-displayed; and a first determining unit 102 connected to the decoding unit 101. For determining whether the decoding of the pre-displayed at least one picture is completed; the control unit 103 is connected to the first determining unit 102, and is configured to turn off the energy-consuming unit other than the display unit when the decoding is completed; the display unit 104 And connected to the first determining unit 102, configured to display the decoded at least one picture.
  • the decoding unit 101 and the first determining unit 102 may be implemented by a CPU, such that the energy consuming unit may include a decoding unit 101 that consumes power and a first determining unit 102, that is, the CPU.
  • the energy consuming unit may include a decoding unit 101 that consumes power and a first determining unit 102, that is, the CPU.
  • the energy consuming unit may include a decoding unit 101 that consumes power and a first determining unit 102, that is, the CPU.
  • the energy consuming unit may include a decoding unit 101 that consumes power and a first determining unit 102, that is, the CPU.
  • the energy consuming unit may include a decoding unit 101 that consumes power and a first determining unit 102, that is, the CPU.
  • control unit 103 can adopt a real-time clock circuit (RTC), through which the decoder with higher energy consumption is turned off during the process of displaying the picture, thereby achieving energy saving effect.
  • RTC real-time clock circuit
  • the embodiment of the present invention provides a picture display device.
  • the device includes a decoding unit 201, a first determining unit 202, a control unit 203, and a display unit 204, and its function is similar to that of Embodiment 1, and is no longer Narration.
  • the apparatus further includes a storage unit 207 for storing pictures to be displayed.
  • the first determining unit 202 can determine according to a preset manner, and the The control unit 203 controls the power supply of the energy consuming element according to the determination result of the first determining unit 202.
  • the first determining unit 202 starts to start the determination; or after the decoding unit 201 continuously decodes and plays the preset picture, the first determining unit 202 The determination is started at the start of the start, and the control unit 203 controls the power supply of the energy consuming element based on the determination result of the first determination unit 202.
  • the following is an example of decoding and playing a picture for example.
  • the device further includes a second determining unit 205, and is connected to the display unit 204, and configured to determine whether the at least one picture is displayed.
  • the control unit 203 is further configured to: when the at least one picture is displayed.
  • the decoding unit 201 is started to work. At this time, the decoding unit 201 takes out the picture from the storage unit 207 and then performs decoding.
  • the decoding unit 201, the first determining unit 202, and the second determining unit 205 can be implemented by using a central processing unit (CPU).
  • CPU central processing unit
  • the energy consuming unit includes a decoding unit 201 that consumes power, and is not limited to such a case, and may further include other devices that consume power according to actual conditions.
  • control unit 203 can adopt a real-time clock circuit (RTC), and in the process of displaying the picture, the decoding unit 201 with higher energy consumption is turned off by the circuit to achieve the energy-saving effect.
  • RTC real-time clock circuit
  • the apparatus further includes a power supply unit 206 that supplies power to the picture display unit via the control unit 203.
  • control unit 203 turns off or turns on the energy consuming component according to the determination result of the first determining unit 202 and the second determining unit 205.
  • the turning off or turning on of the energy consuming element can be achieved by whether or not power is supplied to the decoding unit 201.
  • the energy consuming element is taken as an example of the decoding unit 201.
  • the first determining unit 202 determines that the picture has been decoded, it notifies the control unit 203 to stop supplying power to the decoding unit 201, and only supplies power to the display unit 204; when the second determining unit 205 determines that the picture has been displayed, Notifying the control unit 203 to start powering the decoding unit 201, such that the decoding unit 201 decodes the next picture.
  • the device can be any device that displays a picture, such as an MP4, a digital photo frame, and the like.
  • the decoding unit 201 operates, and only the display unit remains.
  • the present invention provides a picture display method. As shown in FIG. 3, the method includes: decoding at least one pre-displayed picture (see step 301); determining whether the pre-displayed at least one picture has been decoded (see Step 302); If the result of the determination is yes, the energy consumption unit for displaying the at least one picture is turned off (see step 303); and the decoded at least one picture is displayed (see step 304).
  • step 302 determines whether the result of the determination in step 302 is no, then return to step 301 to continue decoding the picture.
  • the determination may be performed according to a preset manner.
  • the no-frame picture may be sequentially decoded, and each picture is decoded for one judgment; or the preset value may be used for multiple The picture is decoded, and each time the picture is decoded for one judgment, it can be set according to the actual situation.
  • the invention provides a picture display method.
  • the display device is a digital photo frame as an example, and each picture is sequentially decoded, and the determination is sequentially performed as an example.
  • the method includes:
  • Step 400 Decode a pre-displayed picture
  • Step 401 Determine whether the pre-displayed picture has been decoded. If the result of the determination is no, return to step 400 to continue decoding the pre-displayed picture.
  • Step 402 in step 401, if the result of the determination is yes, the operation of the energy consumption unit other than the picture is turned off, for example, the operation of the decoding unit is stopped; in this embodiment, the power supply of the decoding unit can be stopped by the control unit. , and only power the display unit;
  • Step 403 The display unit displays the decoded picture.
  • Step 405 determining whether the picture is displayed.
  • Step 406 In step 405, if the determination result is yes, the energy consuming unit is started, that is, the decoding unit works to decode the pre-displayed next picture.
  • the steps 401 to 406 are repeated to display the photo stored in the digital photo frame.
  • the user can stop the operation of the control unit by pressing a button or a remote control operation, and enter the user operation state.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Graphics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)

Description

图片显示方法及其装置 本申请要求于 2008 年 11 月 14 日提交中国专利局, 申请号为 200810176328. 3 , 发明名称为 "图片显示方法及其装置" 的中国专利申请的 优先权, 其全部内容通过引用结合在本申请中。 技术领域
本发明关于电子技术领域, 特别关于图片显示方法及其装置。 背景技术
随着技术的发展, 通过手机、 数码相机等设备拍摄电子照片逐渐取代了 传统的通过曝光胶片然后冲洗的纸质相片。
例如, 数码相框是一种数字显示相框, 其可将数字图像文件经解码后显 示在显示设备中, 例如, 液晶显示器中, 其使用简单, 因此, 数码相框的应 用也呈现日渐广泛的趋势, 数码相框放到桌面进行图片播放显示的场景越来 越常见。
但是, 发明人在实现本发明的过程中发现现有技术的缺陷在于, 现有的 数码相框上电进行图片播放显示过程中, 该数码相框的各个部件如中央处理 器(CPU)、 解码器和 LCD显示屏等一直处于工作状态。 一般情况下, 图片 的播放显示间隔时间都比较长, 在该图片播放显示的过程中, 该数码相框的 各个部件均处于正常工作状态, 需要消耗的电量较大, 相当费电。 发明内容
本发明实施例的目的在于提供一种图片显示方法及其装置。 通过本发明 实施例, 在图片播放显示的过程中, 停止显示图片的显示单元以外的耗能元 件工作, 从而达到节约电能的目的。 为实现上述目的, 本发明实施例提供一种图片显示方法, 该方法包括: 对预显示的至少一幅图片进行解码; 当对所述预显示的至少一幅图片解码完 成时, 关闭除用于显示所述至少一幅图片以外的耗能单元; 显示解码后的所 述至少一幅图片。
为实现上述目的, 本发明实施例提供一种图片显示装置, 该装置包括: 解码单元, 用于对预显示的至少一幅图片进行解码;
第一判断单元, 与所述解码单元相连, 用于判断对所述预显示的至少一 幅图片的解码是否完成;
控制单元, 与所述第一判断单元相连, 用于当解码完成时, 关闭除显示 单元以外的耗能单元;
显示单元, 与所述第一判断单元相连, 用于显示解码后的所述至少一幅 图片。
本发明实施例的有益效果在于, 在图片被解码后、 在播放显示的过程中, 停止显示图片的显示单元以外的耗能元件工作, 仅保留显示单元工作, 从而 节约图片显示装置的电能。 附图说明
此处所说明的附图用来提供对本发明实施例的进一步理解, 构成本申请 的一部分, 并不构成对本发明实施例的限定。 在附图中:
图 1是本发明实施例 1的图片显示装置的构成示意图;
图 2是本发明实施例 2的图片显示装置的构成示意图;
图 3是本发明实施例 3的图片显示方法的流程图;
图 4是本发明实施例 4的图片显示方法的流程图。 具体实施方式
为使本发明实施例的目的、 技术方案和优点更加清楚明白, 下面结合附 图, 对本发明实施例作进一歩详细说明。 在此, 本发明的示意性实施例及其 说明用于解释本发明, 但并不作为对本发明的限定。
本发明实施例提供一种图片显示方法及其装置, 以下结合附图对本发明 实施例进行详细说明。
实施例一
本发明实施例提供一种图片显示装置, 如图 1所示, 该装置包括: 解码 单元 101, 用于对预显示的至少一幅图片进行解码; 第一判断单元 102, 与该 解码单元 101相连, 用于判断对该预显示的至少一幅图片的解码是否完成; 控制单元 103, 与该第一判断单元 102相连, 用于当解码完成时, 关闭显示单 元以外的耗能单元; 显示单元 104, 与该第一判断单元 102相连, 用于显示解 码后的该至少一幅图片。
在本实施例中,该解码单元 101和第一判断单元 102可采用 CPU实现,这样, 该耗能单元可包括消耗电能的解码单元 101和第一判断单元 102, 即该 CPU。 但 不限于此种情况, 还可包括其它消耗电能的器件。
在本实施例中, 该控制单元 103可采用实时时钟电路 (RTC ) , 通过该电 路, 在显示图片的过程中, 关闭耗能较高的解码器, 达到节能效果。
由上述实施例可知, 在图片被解码后、 在播放显示的过程中, 停止显示 图片的显示单元 104以外的耗能元件, 如解码单元 101工作, 仅保留显示单元 104工作, 从而达到节约电能的目的。
实施例二
本发明实施例提供一种图片显示装置, 如图 2所示, 该装置包括解码单元 201、第一判断单元 202、控制单元 203和显示单元 204,其作用与实施例 1类似, 此处不再赘述。
此外, 如图 2所示, 该装置还包括存储单元 207, 该存储单元用于储存待 显示的图片。
在本实施例中, 该第一判断单元 202可根据预设的方式进行判断, 且该 控制单元 203根据该第一判断单元 202的判断结果对耗能元件的供电进行控 制。
例如, 当该解码单元 201每解码完一幅图片, 该第一判断单元 202就启 动开始进行判断; 或者也可以在解码单元 201在连续解码、 播放预设幅图片 后, 该第一判断单元 202就启动开始进行判断, 而该控制单元 203根据该第 一判断单元 202的判断结果来对耗能元件的供电进行控制。
以下以每解码、 播放完一张图片为例进行说明。
如图 2所示, 该装置还包括第二判断单元 205, 与该显示单元 204相连, 用于判断该至少一幅图片是否显示完成; 该控制单元 203还用于当该至少一 幅图片显示完成时, 启动该耗能单元工作, 如启动解码单元 201工作。 这时, 该解码单元 201从存储单元 207中取出图片, 然后进行解码。
在本实施例中, 该解码单元 201、 第一判断单元 202和第二判断单元 205 可采用中央处理器(CPU) 来实现。
这样, 在本实施例中, 该耗能单元包括消耗电能的解码单元 201, 不限于 此种情况, 根据实际情况还可包括其它消耗电能的器件。
在本实施例中, 该控制单元 203可采用实时时钟电路 (RTC ) , 在显示图 片的过程中, 通过该电路关闭耗能较高的解码单元 201, 以达到节能效果。
如图 2所示, 该装置还包括供电装置 206, 该供电装置 206通过该控制单 元 203为该图片显示装置供电。
在本实施例中, 该控制单元 203根据该第一判断单元 202和第二判断单 元 205 的判断结果来关闭或开启耗能元件。 在本实施例中, 可通过是否为该 解码单元 201进行供电来实现对该耗能元件的关闭或开启。
以耗能元件为解码单元 201为例进行说明。 当该第一判断单元 202判断 该图片已经被解码, 则通知该控制单元 203停止为解码单元 201进行供电, 只为该显示单元 204供电; 当该第二判断单元 205判断图片已经显示完毕, 则通知该控制单元 203开始为该解码单元 201进行供电, 这样, 该解码单元 201为下一张图片进行解码。
该装置可以为显示图片的任何装置, 例如, MP4、 数码相框等。
由上述实施例可知, 在图片被解码后、 在播放显示的过程中, 停止显示 图片的显示单元 204以外的耗能元件, 如解码单元 201工作, 仅保留显示单元
204工作, 从而达到节约电能的目的。
实施例三
本发明提供一种图片显示方法, 如图 3所示, 该方法包括: 对预显示的 至少一副图片进行解码 (见步骤 301 ) ; 判断是否已经对预显示的至少一幅图 片解码完成 (见步骤 302 ) ; 若判断结果为是, 则关闭用于显示该至少一幅图 片以外的耗能单元 (见步骤 303 ) ; 对解码后的该至少一幅图片进行显示(见 步骤 304)。
如图 3所示, 若在步骤 302中判断结果为否, 则回到歩骤 301中继续对 该图片进行解码。
在本实施例中, 在步骤 302 中, 可根据预设的方式进行判断, 例如, 可 以依次对没幅图片进行解码, 每解码一幅图片作一次判断; 或者可以按照预 设的数值对多幅图片进行解码, 每解码该多幅图片作一次判断, 可根据实际 情况进行设置。
由上述实施例可知, 在图片播放显示的过程中, 停止显示图片的显示单 元 204以外的耗能元件工作, 仅保留显示单元 204工作, 从而达到节约电能的 目的。
实施例四
本发明提供一种图片显示方法。 以下以该显示装置是数码相框为例、 且 对每幅图片依次进行解码, 依次进行判断为例进行说明。 如图 4所示, 当该数 码相框处于工作状态时, 即该数码相框用户按动图片播放键或者数码连续播 放图片多张时, 该方法包括:
步骤 400, 对预显示的一副图片进行解码; 步骤 401, 判断是否已经对预显示的该图片解码完成; 若判断结果为否, 则回到歩骤 400继续对该预显示的图片进行解码;
步骤 402, 在步骤 401中, 若判断结果为是, 则关闭用于显示该图片以外 的耗能单元, 例如停止解码单元的工作; 在本实施例中, 可通过控制单元停 止为该解码单元供电, 而只为显示单元供电;
步骤 403, 该显示单元对解码后的图片进行显示;
步骤 405, 判断是否显示完该图片;
步骤 406, 在步骤 405中, 若判断结果为是, 则启动该耗能单元, 即解码 单元工作, 对预显示的下一张图片进行解码。
这样, 若未收到用户的指令, 则重复歩骤 401至 406显示该数码相框中 存储的照片。
此外, 用户可通过按动按键或遥控操作来停止该控制单元的工作, 而进 入用户操作状态。
由上述实施例可知, 在图片播放显示的过程中, 停止显示图片的显示单 元以外的耗能元件工作, 仅保留显示单元工作, 从而达到节约电能的目的。
以上所述的具体实施例, 对本发明的目的、 技术方案和有益效果进行了 进一步详细说明, 所应理解的是, 以上所述仅为本发明的具体实施例而已, 并不用于限定本发明的保护范围, 凡在本发明的精祌和原则之内, 所做的任 何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之内。

Claims

权利要求书
1.一种图片显示方法, 其特征在于, 所述方法包括:
对预显示的至少一幅图片进行解码;
当对所述预显示的至少一幅图片解码完成时, 关闭用于除显示所述至少 一幅图片以外的耗能单元;
显示解码后的所述至少一幅图片。
2.根据权利要求 1所述的方法, 其特征在于, 所述方法还包括: 当显示完所述至少一幅图片时, 启动所述耗能单元工作。
3.—种图片显示装置, 其特征在于, 所述装置包括:
解码单元, 用于对预显示的至少一幅图片进行解码;
第一判断单元, 与所述解码单元相连, 用于判断对所述预显示的至少一 幅图片的解码是否完成;
控制单元, 与所述第一判断单元相连, 用于当解码完成时, 关闭除显示 单元以外的耗能单元;
显示单元, 与所述第一判断单元相连, 用于显示解码后的所述至少一幅 图片。
4.根据权利要求 3所述的装置, 其特征在于, 所述耗能单元包括所述解 码单元。
5.根据权利要求 3或 4所述的装置, 其特征在于, 所述装置还包括: 第二判断单元, 与所述显示单元相连, 用于判断所述至少一幅图片是否 显不完成;
所述控制单元还用于当所述至少一幅图片显示完成时, 启动所述耗能单 元工作。
6.根据权利要求 3所述的装置, 其特征在于, 还包括供电装置, 所述供 电装置通过所述控制单元为所述装置供电。
PCT/CN2009/074917 2008-11-14 2009-11-12 图片显示方法及其装置 WO2010054594A1 (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1612086A (zh) * 2003-10-29 2005-05-04 威盛电子股份有限公司 一种视讯显示省电系统及其方法
CN201039295Y (zh) * 2007-04-19 2008-03-19 华为技术有限公司 一种数码相框
US20080100632A1 (en) * 2006-10-31 2008-05-01 Juen-Tien Peng Digital Photo Frame for Saving Power
CN101197893A (zh) * 2007-12-18 2008-06-11 康佳集团股份有限公司 一种基于统一即插即用协议的数码相框及其实现方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1612086A (zh) * 2003-10-29 2005-05-04 威盛电子股份有限公司 一种视讯显示省电系统及其方法
US20080100632A1 (en) * 2006-10-31 2008-05-01 Juen-Tien Peng Digital Photo Frame for Saving Power
CN201039295Y (zh) * 2007-04-19 2008-03-19 华为技术有限公司 一种数码相框
CN101197893A (zh) * 2007-12-18 2008-06-11 康佳集团股份有限公司 一种基于统一即插即用协议的数码相框及其实现方法

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