WO2015184841A1 - Procédé et appareil permettant de commander un écran de projection - Google Patents

Procédé et appareil permettant de commander un écran de projection Download PDF

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Publication number
WO2015184841A1
WO2015184841A1 PCT/CN2015/072121 CN2015072121W WO2015184841A1 WO 2015184841 A1 WO2015184841 A1 WO 2015184841A1 CN 2015072121 W CN2015072121 W CN 2015072121W WO 2015184841 A1 WO2015184841 A1 WO 2015184841A1
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WO
WIPO (PCT)
Prior art keywords
projector
image data
color
control operation
laser
Prior art date
Application number
PCT/CN2015/072121
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English (en)
Chinese (zh)
Inventor
陈星亚
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to CN201580009639.9A priority Critical patent/CN106031163A/zh
Publication of WO2015184841A1 publication Critical patent/WO2015184841A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor

Definitions

  • the present invention relates to the field of projectors and, more particularly, to a scheme for controlling projection display during projection.
  • image recognition technology has been widely used in pattern recognition and artificial intelligence, which can realize the extraction and recognition processing of difference images.
  • the technical problem to be solved by the present invention is to provide a method and apparatus for controlling projection display to solve the problem of inconvenient operation of the projector.
  • a method of controlling a projection display comprising:
  • the projector collects the motion track of the laser pen in real time in the projection surface
  • the projector recognizes the collected trajectory of the laser pointer to obtain an image formed by the motion trajectory
  • the projector respectively matches the image formed by the motion trajectory with the preset plurality of image data, and if the matching is successful, the projector performs a control operation corresponding to the matched image data.
  • the step of the projector acquiring the motion track of the laser pen in real time in the projection surface comprises:
  • the projector collects the motion track of the laser pen in real time in the set area of the projection surface.
  • the method further includes:
  • the projector presets a correspondence between image data and a control operation according to an instruction received by itself or a default configuration.
  • the method further includes:
  • the projector also presets a correspondence between the control operation and the display color of the image data and the laser pointer according to an instruction received by itself or a default configuration.
  • the method further includes
  • the projector While the projector captures the motion track of the laser pen in real time in the projection plane, the projector collects the color of the laser pen in real time in the projection surface;
  • the projector recognizes the collected laser trajectory of the laser pen to obtain an image formed by the motion trajectory, and also obtains the color of the laser pen;
  • the projector matches the image formed by the motion trajectory and the color of the laser pen with the preset plurality of image data and the color of the laser pen, respectively, and only the image formed by the motion trajectory and the color of the laser pen and the preset image data When the laser pen color is matched at the same time, the control operation corresponding to the preset image data and the laser pen color is performed.
  • the projector separately matches the image processing data corresponding to the preset multiple control operation, and after the step of successfully matching, the method further includes:
  • the projector displays a control operation to be performed to the user, and the control operation is performed only when the user confirms that the control operation is performed.
  • controlling operation comprises any one of the following operations:
  • An apparatus for controlling a projection display comprising an acquisition unit, an image recognition processing unit, and a projection playback control unit, wherein
  • the collecting unit is configured to: collect a motion track of the laser pen in real time in the projection surface;
  • the identification processing unit is configured to: perform recognition processing on the collected laser pointer motion trajectory to obtain an image formed by the motion trajectory;
  • the projection playback control unit is configured to: form an image formed by the motion trajectory with a preset The plurality of pieces of image data are respectively matched, and if the matching is successful, a control operation corresponding to the matched image data is performed.
  • the collecting unit is configured to collect the motion track of the laser pen in real time in the projection surface as follows:
  • the collecting unit collects the motion track of the laser pen in real time in the set area of the projection surface.
  • the device further comprises a configuration unit, wherein:
  • the configuration unit is configured to preset a correspondence between the control operation and the image data according to an instruction received by itself or a default configuration.
  • the configuration unit is further configured to:
  • the correspondence between the display color of the image data and the laser pointer and the control operation is preset according to the instruction received by itself or the default configuration.
  • the collecting unit is configured to: collect the color of the laser pen in real time while collecting the motion track of the laser pen in the projection surface;
  • the identification processing unit is configured to: identify the collected laser trajectory of the laser pointer, obtain an image formed by the motion trajectory, and also identify the color of the laser pointer;
  • the projection playback control unit is configured to: match the image formed by the motion trajectory and the color of the laser pointer with the preset plurality of image data and the color of the laser pointer, and only the image formed by the motion trajectory and the color of the laser pointer When the preset image data and the laser pen color are simultaneously matched, the control operation corresponding to the preset image data and the laser pen color is performed.
  • the projection playback control unit is further configured to: display a control operation to be performed to the user, and perform the control operation only when the user confirms that the control operation is performed.
  • controlling operation comprises one or more of the following operations:
  • the technical solution of the present application combines the intelligent projector device and the image recognition technology to automatically switch the projection content and synchronously display the PPT content, that is, according to the image recognition, control the display content of the projector without relying on the third party smart device, nor Need controller operation to make the speaker smooth Highlighting the focus with the laser pointer and operating the smart projector bring great convenience and intelligence to the operation of the projector.
  • FIG. 1 is a schematic structural diagram of realizing intelligent projection synchronization display according to an embodiment of the present invention
  • FIG. 2 is a flow chart of implementing intelligent projection synchronization display according to an embodiment of the present invention.
  • the embodiment provides a method for controlling projection display, which combines a projector device and an image recognition technology to control the interaction between the projection content and the laser pen during the projection process.
  • the method mainly includes the following operations:
  • the projector collects the laser trajectory in real time in a set area of the projection surface
  • the projector performs recognition processing on the image of the collected laser trajectory of the laser pen to obtain a recognition processing result, and the recognition processing result is an image formed by the trajectory of the laser pointer;
  • the projector respectively matches the recognition processing result with the image data corresponding to the preset control operations, and if the matching is successful, the projector performs processing according to the matching successful control operation.
  • the corresponding relationship between the preset control operation and the image data may be preset by the projector according to a user instruction, or may be initialized by the projector.
  • the correspondence may include: one control operation corresponding to one piece of image data, one control operation corresponding to the plurality of image data, and multiple control operations corresponding to one piece of image data, or may be multiple
  • the item control operation corresponds to a plurality of pieces of image data, and the like.
  • the projector can also preset the display color of the laser pointer corresponding to each control operation according to the user instruction or the default setting. That is, the display color of the laser pointer is different, and the control authority can also be different.
  • the laser color is also collected in the embodiment of the present invention.
  • the correspondence between the image shape and the laser color and the control operation needs to be set in advance, and the matched control operation is performed only when the shape of the laser pointer color and the laser pointer track are matched with the previously set image shape and laser color. .
  • the correspondence may include: a control operation corresponding to an image data and a display color of a laser pen, and a control operation corresponding to the display color of the plurality of image data and the plurality of laser pens,
  • a control operation corresponds to a plurality of image data and a display color of a laser pen
  • a control operation corresponds to an image data and display colors of a plurality of laser pens
  • a plurality of control operations and an image data and A display color corresponding to a laser pen or a plurality of control operations corresponding to a plurality of image data and a display color of a laser pen, a plurality of control operations and an image data and display colors of the plurality of laser pens
  • a plurality of control operations correspond to a plurality of image data and display colors of a plurality of laser pens.
  • the projector can prompt the user to initialize the work by text interaction.
  • the interactive strategy can be configured according to the display color of the laser pointer and the user's usage habits, and the drawable area (ie, the set area) is preset to avoid overlapping with the display content area.
  • the projector can capture the reflected frequency of the laser pen light source with a camera and let it control the designated "controller". That is, the image captured by the camera performs digital image processing in the set area (the amount of calculation can be reduced, the accuracy and the calculation speed can be reduced), and the color of the laser projection on the screen is detected line by line, and the pixels caused by the RGB color and the adjacent "white” area are detected. The value is abrupt, locking the laser pen projection color and turning it into the default laser control color.
  • the projector can also collect the trajectory of the laser pen light source through the attached camera, and comprehensively judge the digital image processing technology to set the response type. That is, when the PPT is being lectured, the picture is fixed. When the camera shoots continuously, when there is a sudden change in the RGB color value in the specified area, the images of the dozens of frames before and after will be compared, so that the speaker can be dynamically drawn by the laser pointer. Draw the trace, perform corresponding control operations, such as page change display operation (next page, previous page), return to main menu, shutdown, etc.
  • control operation corresponding to the preset square is to return to the main menu operation.
  • the control operation corresponding to the triangle is the shutdown operation.
  • the control operation corresponding to the checkback is the previous page (approximate back button) operation.
  • the control operation corresponding to the line is the next page (approximately straight line, left to right) operation.
  • the projector can also prompt the user to operate the area, and reproduce the action of the laser pointer displayed by the user corresponding to the projector, such as operating the basic ppt function, the projector simply shuts down, adjusts the brightness, and the like.
  • the matching control operation may be displayed to the user, and when the user confirms that the control operation is performed, Processed according to the matching control operation. This avoids misoperations and improves the reliability of control operations.
  • the embodiment of the invention also discloses a computer program, comprising program instructions, which when executed by a computer, enable the computer to perform any of the above methods for controlling projection display.
  • the embodiment of the invention also discloses a carrier carrying the computer program.
  • the embodiment provides an apparatus for controlling a projection display, which includes at least the following units.
  • the collecting unit collects an image of the movement track of the laser pen in real time in a set area of the projection surface
  • a recognition processing unit that performs an identification process on the image of the collected laser trajectory
  • the projection playback control unit respectively matches the recognition processing result with the image data corresponding to the preset control operations, and if the matching is successful, the processing is performed according to the matching successful control operation.
  • the above apparatus may further include a configuration unit that presets image data corresponding to each control operation according to a user instruction.
  • the configuration unit may further preset a display color of the laser pointer corresponding to each control operation according to a user instruction.
  • the above-mentioned projection playback control unit respectively matches the recognition processing result with the image data corresponding to the preset control operations, and after the matching is successful, the matching control operation can be displayed to the user only when the user confirms that the control operation is performed. Then, it is processed according to the matching control operation.
  • FIG. Figure 1 is a block diagram showing the structure of a device for controlling projection display.
  • Unit 101 is a collection unit with a camera, which mainly realizes the function of the acquisition unit.
  • the 102 unit is an identification processing unit that recognizes the collected motion trajectory and obtains an image of the laser trajectory.
  • Unit 103 is a projection playback control unit, which is a unit that controls PPT switching and performs PPT display content; and is configured to: match an image formed by the motion trajectory with a preset plurality of image data, and if the matching is successful, Then, a control operation corresponding to the matched image data is performed.
  • the collecting unit is configured to collect the motion track of the laser pen in real time in the projection surface as follows:
  • the collecting unit collects the motion track of the laser pen in real time in the set area of the projection surface.
  • the device further comprises a configuration unit, wherein:
  • the configuration unit is configured to preset a correspondence between the control operation and the image data according to the instruction received by itself.
  • the correspondence relationship may include: a control operation corresponding to an image data, a control operation corresponding to the plurality of image data, a plurality of control operations corresponding to an image data, or a plurality of control operations and Multiple image data corresponds to each other.
  • the configuration unit is further configured to:
  • the corresponding relationship between the image data and the display color of the laser pen and the control operation is preset.
  • the correspondence relationship may include: a control operation corresponding to an image data and a display color of a laser pen, and a control operation corresponding to a plurality of image data and display colors of the plurality of laser pens, one control operation Corresponding to the multi-image data and the display color of a laser pen, a control operation corresponds to an image data and display colors of a plurality of laser pens; a plurality of control operations and an image data and a laser pen
  • the display color corresponds to a plurality of control operations corresponding to a plurality of image data and a display color of a laser pen, and the plurality of control operations correspond to an image data and display colors of the plurality of laser pens, and more
  • the item control operation corresponds to a plurality of image data and display colors of a plurality of laser pens.
  • the collecting unit is configured to: collect the motion track of the laser pen in real time in the projection surface At the same time, the color of the laser pen is also collected in real time;
  • the identification processing unit is configured to: identify the collected laser trajectory of the laser pointer, obtain an image formed by the motion trajectory, and also identify the color of the laser pointer;
  • the projection playback control unit is configured to: match the image formed by the motion trajectory and the color of the laser pointer with the preset plurality of image data and the color of the laser pointer, and only the image formed by the motion trajectory and the color of the laser pointer When the preset image data and the laser pen color are simultaneously matched, the control operation corresponding to the preset image data and the laser pen color is performed.
  • the projection playback control unit is further configured to: display a control operation to be performed to the user, and perform the control operation only when the user confirms that the control operation is performed.
  • controlling operation comprises one or more of the following operations:
  • Unit 104 is a projection content display that displays the synchronized content of the projection and gives the control area for the operation of the laser pointer.
  • the flow of the intelligent projection display of the apparatus shown in FIG. 1 will be described below with reference to FIG. The process includes:
  • step S201 the projector device turns on the attached camera, and starts the image recognition processing module (unit 102) to initialize the graphic mode and function binding that the user needs to set.
  • Step S202 the projector collects and recognizes image data of the laser pen motion track (processing of units 103 and 102);
  • Step S203 the projector controls the projection content switching (101 unit) or the projection function processing according to the image data recognition result;
  • step S204 the projection playback control unit feeds back the processing mode to the presenter.
  • All of the projectors in the embodiments of the present invention may be smart projectors or ordinary projectors as long as the technical solutions of the present invention can be implemented.
  • the technical solution of the present application combines the projector device and the image recognition technology to automatically switch the projection content and synchronously display the PPT content, that is, according to the image recognition, the projector displays the content without relying on the third-party smart device, and does not need to
  • the operation of the controller makes it easy for the speaker to highlight the key point and operate the projector through the laser pen, which brings great convenience and intelligence to the operation of the projector. Therefore, the present invention has strong industrial applicability.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Position Input By Displaying (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

L'invention concerne un procédé et un appareil permettant de commander un écran de projection, le procédé comportant : un projecteur servant à recueillir en temps réel des images de la trajectoire de mouvement d'un crayon à laser à l'intérieur d'une zone définie d'un plan de projection ; le projecteur servant à effectuer un traitement de reconnaissance sur les images recueillies de la trajectoire de mouvement du crayon à laser ; et le projecteur servant à effectuer une mise en correspondance du résultat du traitement de reconnaissance avec des données d'images prédéfinies correspondant à différentes opérations de commande, et si une telle mise en correspondance réussit, le projecteur effectue le traitement en fonction de l'opération de commande mise en correspondance avec succès. Par le biais de ce procédé, le projecteur devient hautement pratique et hautement intelligent en termes de fonctionnement.
PCT/CN2015/072121 2014-11-12 2015-02-02 Procédé et appareil permettant de commander un écran de projection WO2015184841A1 (fr)

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CN201580009639.9A CN106031163A (zh) 2014-11-12 2015-02-02 一种控制投影显示的方法及装置

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CN201410635508.9 2014-11-12
CN201410635508.9A CN105657304A (zh) 2014-11-12 2014-11-12 一种控制投影显示的方法及装置

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
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CN109388291B (zh) * 2017-08-02 2023-10-13 中兴通讯股份有限公司 投影仪组件、投影仪的投影方法、装置及可读存储介质
CN107770508A (zh) * 2017-10-19 2018-03-06 上海青橙实业有限公司 投影方法及可投影的移动终端
CN110580426A (zh) * 2018-06-08 2019-12-17 速感科技（北京）有限公司 机器人的人机交互方法及机器人
CN109739373B (zh) * 2018-12-19 2022-03-01 重庆工业职业技术学院 一种基于运动轨迹的演示设备控制方法及系统
CN112015286B (zh) * 2020-07-31 2023-06-09 青岛海尔科技有限公司 用于交互投影的方法、装置和投影系统
CN113031841B (zh) * 2021-03-08 2023-03-31 中国航空工业集团公司北京长城航空测控技术研究所 一种激光笔交互控制系统和激光笔交互控制方法
CN113840125A (zh) * 2021-08-30 2021-12-24 展讯半导体(南京)有限公司 投影仪的控制方法、装置、投影仪、存储介质
CN114995739A (zh) * 2022-06-15 2022-09-02 北京理工大学 一种基于激光笔轨迹识别的人机交互系统及设计方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1687869A (zh) * 2005-05-17 2005-10-26 殷绪成 激光笔的数字墨水生成方法与生成系统
CN101271620A (zh) * 2008-04-02 2008-09-24 李兴文 激光遥控信号接收器及其配套的激光遥控信号发射器
US20120056808A1 (en) * 2010-09-02 2012-03-08 Cheng-Han Wu Event triggering method, system, and computer program product
CN103425409A (zh) * 2013-07-30 2013-12-04 华为终端有限公司 投影显示的控制方法和装置
CN103970294A (zh) * 2014-04-28 2014-08-06 上海电力学院 反馈式投影仪系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3514257B2 (ja) * 2002-05-20 2004-03-31 セイコーエプソン株式会社 画像処理システム、プロジェクタ、画像処理方法、プログラムおよび情報記憶媒体
JP2008033389A (ja) * 2006-07-26 2008-02-14 Fuji Xerox Co Ltd 機能指示システム、機能指示装置、機能指示解析システム、プレゼンテーションシステムおよび機能指示解析プログラム。
CN101359251A (zh) * 2007-07-30 2009-02-04 由田新技股份有限公司 应用于电脑投影画面的光学遥控系统及方法
CN101882010A (zh) * 2010-01-20 2010-11-10 程宇航 图形用户界面的输入装置和方法
CN102361495B (zh) * 2011-10-21 2014-06-18 青岛海信信芯科技有限公司 投影控制方法及投影设备

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1687869A (zh) * 2005-05-17 2005-10-26 殷绪成 激光笔的数字墨水生成方法与生成系统
CN101271620A (zh) * 2008-04-02 2008-09-24 李兴文 激光遥控信号接收器及其配套的激光遥控信号发射器
US20120056808A1 (en) * 2010-09-02 2012-03-08 Cheng-Han Wu Event triggering method, system, and computer program product
CN103425409A (zh) * 2013-07-30 2013-12-04 华为终端有限公司 投影显示的控制方法和装置
CN103970294A (zh) * 2014-04-28 2014-08-06 上海电力学院 反馈式投影仪系统

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