WO2016033934A1 - Procédé de projection, dispositif de projection et support de stockage informatique - Google Patents

Procédé de projection, dispositif de projection et support de stockage informatique Download PDF

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Publication number
WO2016033934A1
WO2016033934A1 PCT/CN2015/071126 CN2015071126W WO2016033934A1 WO 2016033934 A1 WO2016033934 A1 WO 2016033934A1 CN 2015071126 W CN2015071126 W CN 2015071126W WO 2016033934 A1 WO2016033934 A1 WO 2016033934A1
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WO
WIPO (PCT)
Prior art keywords
projection
unit
display
area
projected
Prior art date
Application number
PCT/CN2015/071126
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English (en)
Chinese (zh)
Inventor
姜智能
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
Publication of WO2016033934A1 publication Critical patent/WO2016033934A1/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]

Definitions

  • the present invention relates to the field of projection, and in particular to a projection method, a projection device, and a computer storage medium.
  • Portable projectors make projection technology closer to life and entertainment by making the traditionally large projectors compact, portable, miniaturized, entertaining, and practical.
  • the existing portable projectors are often only realized by the miniaturization of the conventional projector.
  • the content to be projected on the terminal is still acquired through the video transmission interface, and then the content to be projected is used by the optical projection module through internal processing. Projected, so that the projected image is consistent with the image displayed by the terminal display unit, for example, a presentation of a presentation (PPT, Powerpoint), and other projection methods cannot be used.
  • the prior art has a technical problem that the projection method is not flexible.
  • embodiments of the present invention are directed to providing a projection method, a projection apparatus, and a computer storage medium.
  • an embodiment of the present invention provides a projection method, which is applied to a projection apparatus, and the method includes: determining, according to a user's selection operation, a region to be projected on a display interface displayed by a display unit of the projection device, Wherein the area of the area to be projected is less than or equal to the area of the display unit; controlling the optical projection unit of the projection apparatus to project the area to be projected Display content inside.
  • the determining, according to a user's selection operation, the area to be projected on the display interface displayed by the display unit of the projection device comprises: receiving the selection operation; the selecting operation is for the display A closed area is determined at the interface; a determining operation within the closed area is received, the closed area being determined as the area to be projected.
  • controlling the optical projection unit of the projection device to project the display content in the area to be projected includes: controlling the display unit to display a projection window, and receiving a drag operation for dragging the display content;
  • the dragging operation controls the optical projection unit to project the display content when the dragging operation drags the display content into the projection window.
  • controlling the optical projection unit to project the display content comprises: performing scaling processing on the display content based on a resolution supported by the optical projection unit; and controlling the optical projection unit to perform projection scaling The display content.
  • the method further comprises: controlling the display unit to hide the projection window.
  • an embodiment of the present invention provides a projection apparatus, where the projection apparatus includes: a display unit, an optical projection unit, and a control unit; wherein the control unit is configured to operate according to a user's selection, in the display unit Determining an area to be projected on the displayed display interface, wherein an area of the area to be projected is less than or equal to an area of the display unit; and controlling the optical projection unit to project display content in the area to be projected.
  • control unit is configured to receive the selection operation; the selecting operation is for determining a closed area on the display interface; and receiving a determining operation in the closed area, The closed area is determined as the area to be projected.
  • control unit is configured to control the display unit to display a projection window, and receive a drag operation for dragging the display content; when the drag operation drags the display content into the projection window, Controlling the optical projection unit to project the display content.
  • control unit is configured to perform scaling processing on the display content based on a resolution supported by the optical projection unit; and control the optical projection unit to project the scaled display content.
  • control unit is further configured to control the display unit to hide the projection window after controlling the optical projection unit to project the display content.
  • an embodiment of the present invention provides a computer storage medium, the computer storage medium comprising a set of instructions, when executed, causing at least one processor to execute the above-described projection method.
  • the projection method, the projection device and the computer storage medium provided by the embodiment of the invention are provided with a display unit and an optical projection unit.
  • the projection device determines on the display interface displayed by the display unit according to the user's selection operation.
  • the area to be projected is smaller than or equal to the area of the display unit, and then the optical projection unit is controlled to project the display content in the area to be projected, that is, the projection device can select all of the user's selection on the display interface or Part of the area, that is, the display content of the area to be projected is projected, so that there is only one projection mode in the prior art, that is, the entire display interface of the projection display unit, thus effectively solving the projection existing in the prior art.
  • Inflexible technical problems improve the flexibility of the projection method, and enrich the user's projection experience.
  • FIG. 1 is a schematic flow chart of a projection method in an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a desktop interface in an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a region to be projected in an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a projection window in an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a window of an application 1 according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a projection apparatus according to an embodiment of the present invention.
  • the embodiment of the invention provides a projection method, which is applied to a projection device, and the projection device can be a terminal such as a smart phone, a tablet computer, a superbook, a projector, a multimedia player, etc., and the projection device runs operations such as Android, Windows, and Linux. system.
  • FIG. 1 is a schematic flowchart of a projection method according to an embodiment of the present invention. Referring to FIG. 1, the method includes:
  • S101 determining, according to a user's selection operation, an area to be projected on a display interface displayed by the display unit of the projection device, wherein an area of the area to be projected is less than or equal to an area of the display unit;
  • S102 Control an optical projection unit of the projection device to project display content in the area to be projected.
  • S101 may specifically be: receiving a selection operation, wherein the selecting operation is for determining a closed area on the display interface; receiving the determining operation in the closed area, and determining the closed area as the area to be projected.
  • the desktop interface displayed by the display unit of the projection device may include icons of multiple applications, as shown in FIG. 2, at this time, when the user opens at least one application, such as opening the application 1, the display unit displays The window of application 1 is included in the display interface.
  • the projection device receives the user's sliding operation on the display unit by using an operating body such as a finger or a stylus pen, that is, performs a selection operation, and the sliding track of the selection operation can enclose a closed area, that is, a closed area is determined on the display interface.
  • the area of the closed area is less than or equal to the area of the display interface.
  • the user performs a determining operation in the closed area, such as the user double-clicking the display unit in the closed area. Or long press the display unit, after receiving the determining operation, the projection device determines the current closed area as the area to be projected, as shown in FIG.
  • the selecting operation may further perform a predetermined gesture for the long press display unit, the multi-touch display unit, or the display unit.
  • the display device controls the display unit to display the deformable rectangular frame, and the user You can adjust the size and shape of the rectangle by dragging the corners of the rectangle. You can also drag the rectangle to adjust its position until it is adjusted to suitability.
  • the projector receives the user's OK operation and will present the current The closed area is determined as the area to be projected.
  • the selection operation and the determination operation may also be other forms of operations, which are not specifically limited in the embodiment of the present invention.
  • S102 may specifically be: controlling the display unit to display a projection window, and receiving a drag operation for dragging the display content; when the drag operation drags the display content into the projection window, controlling the optical projection unit to display the projection content.
  • the control display unit displays a projection window. As shown in FIG. 4, when the user sees the projection window, the display content of the area to be projected determined in S101 can be dragged to the Within the projection window, next, the projection device can control its own optical projection unit to project the display content of the area to be projected.
  • the step of content may specifically include: performing scaling processing on the display content based on a resolution supported by the optical projection unit; and controlling the optical projection unit to project the scaled display content.
  • the image is scaled by an algorithm such as nearest neighbor interpolation, bilinear interpolation, and cubic convolution, so that the scaled display content can match the optical projection.
  • an algorithm such as nearest neighbor interpolation, bilinear interpolation, and cubic convolution
  • the resolution of the display unit is 1280 ⁇ 720, and the resolution supported by the optical projection unit is 800 ⁇ 600. If the resolution of the display content of the area to be projected is 400 ⁇ 300, it is necessary to double the horizontal and vertical directions of the display content, and after the conversion by the scaling algorithm, the image of 800 ⁇ 600 resolution is just obtained.
  • the resolution of the display content of the area to be projected is 1000 ⁇ 500
  • the horizontal and vertical directions of the display content need to be reduced by 1.25 times.
  • the scaling algorithm is converted.
  • the reduced display content is a picture of 800 ⁇ 400 pixels. Since the resolution supported by the optical projection unit is 800 ⁇ 600, then the horizontal direction of the display content cannot fill the entire projected image, then, for this problem, Set the unfilled area to pure black.
  • the display unit in order not to affect the operation of the display unit by the user, after the projection device controls the optical projection unit to project the scaled display content, the display unit may be controlled to hide the projection window. At this time, the application 1 is displayed on the display unit. The window is shown in Figure 5.
  • the projection method described in one or more embodiments described above is only for the processing flow of one frame of image, and is also applicable to multi-frame images, so that if the display content in the area to be projected changes, the optical projection unit projects.
  • the image changes as the display content in the area to be projected changes.
  • the projection device can project all or part of the area selected by the user on the display interface, that is, the display content of the area to be projected, thereby improving the flexibility of the projection mode and enriching the projection experience of the user.
  • an embodiment of the present invention provides a projection apparatus that is consistent with the projection apparatus described in one or more of the above embodiments.
  • FIG. 6 is a schematic structural diagram of a projection apparatus according to an embodiment of the present invention.
  • the projection apparatus includes: a display unit 61, an optical projection unit 62, and a control unit 63;
  • the control unit 63 is configured to determine, according to a user's selection operation, an area to be projected on a display interface displayed by the display unit 61, wherein an area of the area to be projected is smaller than or equal to an area of the display unit; and control the optical projection unit 62 to project The display content in the projection area.
  • the display unit 61 may be a touch display screen such as a capacitive touch screen or a resistive touch screen; the optical projection unit 62 may specifically be a projection module in a conventional projector; and the control unit 63 may be a projection device.
  • the CPU, the ARM, and the like may also be a single-chip microcomputer, an embedded controller, or a system-level chip, which is not specifically limited in the embodiment of the present invention.
  • control unit 63 is specifically configured to receive a selection operation, wherein the selection operation is for determining a closed area on the display interface; and receiving a determination operation in the closed area to determine the closed area as the area to be projected.
  • control unit 63 is specifically configured to control the display unit to display the projection window and receive a drag operation for dragging the display content; when the drag operation drags the display content into the projection window, the control optical projection unit 62 projects the display content. .
  • control unit 63 is specifically configured to perform scaling processing on the display content based on the resolution supported by the optical projection unit; and control the optical projection unit 62 to project the scaled display content.
  • control unit 63 is further configured to control the display unit 61 to hide the projection window after controlling the optical projection unit 62 to project the display content.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.
  • the projection method, the projection device and the computer storage medium provided by the embodiment of the invention are provided with a display unit and an optical projection unit.
  • the projection device determines the waiting display on the display interface displayed by the display unit according to the user's selection operation.
  • a projection area, the area of the area to be projected is less than or equal to the area of the display unit, and then controlling the optical projection unit to project the display content in the area to be projected, that is, the projection apparatus can select all or part of the user selected on the display interface.
  • the area that is, the display content of the area to be projected is projected, so that there is only one projection mode in the prior art, that is, the entire display interface of the projection display unit, thus, there is The utility model effectively solves the technical problem that the projection method existing in the prior art is inflexible, improves the flexibility of the projection mode, and enriches the projection experience of the user.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
  • User Interface Of Digital Computer (AREA)
  • Projection Apparatus (AREA)

Abstract

L'invention concerne un procédé de projection, appliqué à un dispositif de projection. Le procédé comporte les étapes consistant à: déterminer, d'après une opération de sélection d'un utilisateur, une région à projeter sur une interface d'affichage affichée par une unité d'affichage du dispositif de projection, l'aire de la région à projeter étant inférieure ou égale à celle de l'unité d'affichage; et commander une unité de projection optique du dispositif de projection pour projeter un contenu d'affichage dans la région à projeter. L'invention concerne également un dispositif de projection et un support de stockage informatique.
PCT/CN2015/071126 2014-09-01 2015-01-20 Procédé de projection, dispositif de projection et support de stockage informatique WO2016033934A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410441686.8 2014-09-01
CN201410441686.8A CN105376510A (zh) 2014-09-01 2014-09-01 一种投影方法及投影装置

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CN107426553A (zh) * 2016-05-23 2017-12-01 中兴通讯股份有限公司 投影方法及装置，终端，投影仪以及投影系统
CN110475135A (zh) * 2018-05-11 2019-11-19 阿里巴巴集团控股有限公司 视频播放方法、装置、设备、介质、系统及智能电视

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US20100085316A1 (en) * 2008-10-07 2010-04-08 Jong Hwan Kim Mobile terminal and display controlling method therein
JP2010123067A (ja) * 2008-11-21 2010-06-03 Kyocera Mita Corp 表示制御装置及び表示制御プログラム
CN101729629A (zh) * 2008-10-24 2010-06-09 Lg电子株式会社 移动终端及其控制方法
CN101907923A (zh) * 2010-06-29 2010-12-08 汉王科技股份有限公司 信息提取方法、装置及系统
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CN102655578A (zh) * 2011-03-04 2012-09-05 富泰华工业（深圳）有限公司 投影系统和其投影方法
US20130050077A1 (en) * 2010-05-06 2013-02-28 France Telecom Terminal Including a Video Projector and a Screen, Having one Area that Enables Control of a Remote Pointer Projected by Said Video Projector

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JP4049115B2 (ja) * 2004-03-15 2008-02-20 セイコーエプソン株式会社 プロジェクタ
JP2007086545A (ja) * 2005-09-22 2007-04-05 Matsushita Electric Works Ltd 情報提示システム
JP4696979B2 (ja) * 2006-03-09 2011-06-08 ソニー株式会社 画像提示装置および画像提示方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100085316A1 (en) * 2008-10-07 2010-04-08 Jong Hwan Kim Mobile terminal and display controlling method therein
CN101729629A (zh) * 2008-10-24 2010-06-09 Lg电子株式会社 移动终端及其控制方法
JP2010123067A (ja) * 2008-11-21 2010-06-03 Kyocera Mita Corp 表示制御装置及び表示制御プログラム
CN102023833A (zh) * 2009-09-11 2011-04-20 联想(北京)有限公司 便携终端的显示控制方法及便携终端
US20130050077A1 (en) * 2010-05-06 2013-02-28 France Telecom Terminal Including a Video Projector and a Screen, Having one Area that Enables Control of a Remote Pointer Projected by Said Video Projector
CN101907923A (zh) * 2010-06-29 2010-12-08 汉王科技股份有限公司 信息提取方法、装置及系统
CN102655578A (zh) * 2011-03-04 2012-09-05 富泰华工业（深圳）有限公司 投影系统和其投影方法

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