JP2007219217A - Projector, program, and information storage medium - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a projector or the like which can emphasize a part of an image effectively. <P>SOLUTION: The projector 10 is configured of: an instruction information input means 110 to input instruction information for showing an instruction of emphasizing a part of the image by a user; a determination part 130 to determine the content of the emphasis instruction and the position of the part based on the instruction information; an image creating part 140 which emphasizes the part according to the content based on the content and position, and also creates a zoomed image expanding an area including the part in the image; and a projecting part 160 to project the zoomed image. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a projector, a program, and an information storage medium capable of enlarging and projecting a part of a projected image.

  For example, Patent Document 1 describes a projector that receives a zoom start command including a zoom point from a computer and enlarges an image around the zoom point. In this way, the display device has a zoom function, and an image is enlarged and displayed around a point designated by the user.

In addition, an effect function is mounted on a projector such as EMP-8350 manufactured by Seiko Epson Corporation. More specifically, the projector performs highlighting such as drawing a line on a part of the projected image when an effect button or the like of the remote control is operated by the user.
JP 2005-3723 A

  However, in general, the zoom function described above is a function of enlarging an image at a fixed magnification, and when the display device simply combines the zoom function and the effect function, a portion that should be emphasized originally by enlarging the image. May fall out of the display area.

  An object of the present invention is to provide a projector, a program, and an information storage medium that can more effectively emphasize part of an image.

In order to solve the above problems, a projector according to the present invention provides:
An instruction information input unit for inputting instruction information indicating an instruction to emphasize a part of the image by the user;
A determination unit for determining the content of the emphasis instruction and the position of the part based on the instruction information;
Based on the content and the position, an image generation unit that performs enhancement according to the content on the part and generates a zoom image in which an area including the part in the image is enlarged;
A projection unit for projecting the zoom image;
It is characterized by including.

The program according to the present invention is
A computer with a projector,
An instruction information input unit for inputting instruction information indicating an instruction to emphasize a part of the image by the user;
A determination unit for determining the content of the emphasis instruction and the position of the part based on the instruction information;
Based on the content and the position, the part is enhanced according to the content, and functions as an image generation unit that generates a zoom image in which an area including the part of the image is enlarged. .

The information storage medium according to the present invention is
An information storage medium readable by a computer,
The above program is stored.

  According to the present invention, since a projector or the like can generate a zoom image that is linked to an enhancement instruction, it is possible to enhance a part of the image more effectively.

  The image generation unit may determine the region based on a start point and an end point of the straight line or the curve when the instruction information is information indicating drawing of a line or curve for emphasis.

  According to this, since the projector or the like can generate a zoom image that is linked to the drawing of an emphasis straight line or curve, it is possible to emphasize a part of the image more effectively.

The instruction information input unit inputs the instruction information from a remote controller,
The determination unit determines whether or not the pointer icon display instruction button in the remote controller has been pressed for a predetermined time or more based on the instruction information;
The image generation unit may generate the zoom image including the pointer icon and enlarging the periphery of the pointer icon when the pointer icon display instruction button is continuously pressed for a predetermined time or longer.

  According to this, since the projector or the like can generate a zoom image that is linked to the display of the highlight pointer icon, it is possible to emphasize a part of the image more effectively.

Further, the determination unit determines, based on the instruction information, whether or not an instruction to move the pointer icon is performed in a state where the pointer icon is displayed,
The image generation unit may generate the zoom image by moving the area according to the movement of the pointer icon when an instruction to move the pointer icon is given.

  According to this, the projector or the like can generate a zoom image in which the area to be zoomed is moved in accordance with the movement of the pointer icon, so that a part of the image can be emphasized more effectively.

  Hereinafter, an example in which the present invention is applied to a projector will be described with reference to the drawings. In addition, the Example shown below does not limit the content of the invention described in the claim at all. In addition, all of the configurations shown in the following embodiments are not necessarily essential as means for solving the problems described in the claims.

  FIG. 1 is a functional block diagram of the projector 10 in this embodiment.

  The projector 10 includes an instruction information input unit 110 that inputs instruction information indicating an enhancement instruction for a part of an image from a remote controller (remote controller) 30, a timer unit 120, and the content of the enhancement instruction and the part based on the instruction information. An image for generating a zoom image in which the portion including the part of the image is enlarged while performing the enhancement according to the content on the part based on the content and position of the instruction information and the determination unit 130 that determines the position of the instruction information The generation unit 140 includes a storage unit 150 that stores various data, and a projection unit 160 that projects a zoom image or the like.

  Note that the following can be employed as hardware for mounting these components. For example, the instruction information input unit 110 is an infrared port, the timer unit 120 is a system timer, the determination unit 130 is a CPU, the image generation unit 140 is an image processing circuit, the storage unit 150 is an HDD, USB, or the like. A liquid crystal panel, a driver, or the like can be used as the projection unit 160 such as a memory.

  Further, the projector 10 may implement the functions of these units by reading a program from the information storage medium 200.

  As the information storage medium 200, for example, a CD-ROM, DVD-ROM, IC card, ROM, RAM, memory card, HDD, or other storage medium using laser or magnetism can be applied. Further, the method of reading the program from the information storage medium 200 may be a contact type or a non-contact type. Further, the projector 10 may implement the functions of these units by downloading a program via a network.

  The remote controller 30 has an effect button for instructing to emphasize a part of the image, an enter button for instructing to draw a straight line for emphasis, and an ESC (ESCAPE) for terminating the emphasis display. Buttons are provided.

  Next, the flow of enhancement processing using these units will be described.

  FIG. 2 is a flowchart showing the flow of enhancement processing in the present embodiment.

  The instruction information input unit 110 inputs instruction information from the remote controller 30. Based on the instruction information, the determination unit 130 determines whether or not the effect button of the remote controller 30 has been pressed (step S1). The instruction information includes, for example, information for identifying the pressed button, information indicating the movement instruction direction of the movement operation button, and the like.

  When the instruction information is information indicating that the effect button has been pressed, the image generation unit 140 generates an image including a pointer icon, and the projection unit 160 projects the image (step S2). It should be noted that highlight image data for drawing a pointer icon and an emphasis line and curve described later are stored in the storage unit 150.

  On the other hand, if the instruction information is not information indicating that the effect button has been pressed, the image generation unit 140 generates a normal image that does not include the pointer icon, and the projection unit 160 projects the image (step). S3).

  FIG. 3 is a diagram illustrating an image 300 including a pointer icon 310.

  In the example illustrated in FIG. 3, the image 300 includes an area indicating a graph on the upper left and an area indicating a character string on the lower right. A pointer icon 310 indicates an area indicating a graph. In the conventional method, as shown in FIG. 3, the pointer icon 310 is simply displayed superimposed on the original image.

  The determination unit 130 according to the present embodiment determines whether or not the effect button has been pressed for a certain time (for example, 1.5 seconds) based on the instruction information indicating that the effect button has been pressed and the timer value of the timer unit 120. Is determined (step S4).

  When the effect button is kept pressed for a certain time, the image generation unit 140 generates a zoom image including the pointer icon 310, and the projection unit 160 projects the zoom image (step S5).

  FIG. 4 is a diagram illustrating a zoom image 400 including the pointer icon 310 according to the present embodiment.

  As shown in FIG. 4, the zoom image 400 is an image obtained by enlarging a predetermined range (for example, a quarter of the image 300) centered on the pointer icon 310 in the image 300.

  Then, the determination unit 130 determines whether or not the ESC button of the remote controller 30 has been pressed based on the instruction information (step S6).

  When the instruction information is not information indicating that the ESC button has been pressed, the determination unit 130 determines whether or not the instruction information is information indicating that the enter button of the remote controller 30 has been pressed ( Step S7).

  When the instruction information is not information indicating that the enter button has been pressed, the image generation unit 140 is based on the position of the pointer icon 310 (more specifically, for example, based on the instruction information by the movement operation button of the remote controller 30). Based on the position, the image 300 including the pointer icon 310 or the zoom image 400 including the pointer icon 310 is generated, and the projection unit 160 projects the image 300 or the zoom image 400 (step S8).

  When the effect button is first pressed, the pointer icon 310 is displayed at the center of the image 300, and the display position of the pointer icon 310 is moved by the operation of the movement operation button of the remote controller 30 by the user.

  When the instruction information in the determination in step S7 is information indicating that the enter button has been pressed, the determination unit 130 uses the information indicating the position of the pointer icon 310 at the determination time as the start position information, and the storage unit 150. To remember.

  Based on the instruction information and the timer value of the timer unit 120, the determination unit 130 determines whether the enter button has been pressed for a predetermined time (step S9).

  When the enter button is not pressed for a certain period of time, the image generation unit 140 generates an image including a straight line for emphasis based on the operation of the moving operation button of the remote controller 30 by the user, and the projection unit 160 displays the image. Projection is performed (step S11).

  FIG. 5 is a diagram illustrating an image 301 including a straight line 320.

  FIG. 5 shows a state in which a straight line is drawn in the horizontal direction near the center of the region indicating the lower right character string of the image 301. That is, the position of the pointer icon 310 when the user first presses the enter button becomes the start point of the straight line, and the position of the invisible pointer icon 310 moved in accordance with the operation of the movement operation button becomes the end point of the straight line.

  When the enter button is kept pressed for a certain time, the image generation unit 140 generates an image including an emphasis curve based on the operation of the movement operation button of the remote controller 30 by the user, and the projection unit 160 Is projected (step S10).

  FIG. 7 is a diagram illustrating an image 302 including a curve 330.

  FIG. 7 shows a state in which a round curve is drawn near the center of the area indicating the lower right character string of the image 302. That is, the position of the pointer icon 310 when the user first presses the enter button becomes the start point of the curve, and the position of the invisible pointer icon 310 moved according to the operation of the move operation button becomes the end point of the curve.

  Then, the determination unit 130 determines whether or not the enter button of the remote controller 30 has been pressed again based on the instruction information (step S12). The drawing of the straight line and the curve is not completed until the enter button is pressed again, and the end point is determined when the enter button is pressed again.

  While the enter button of the remote controller 30 is not pressed, the projection unit 160 projects the image 301 or the image 302 (step S14).

  On the other hand, when the enter button of the remote controller 30 is pressed and a straight line is drawn at the time of step S12, the projection unit 160 projects a zoom image including the straight line 320 (step S13).

  FIG. 6 is a diagram illustrating a zoom image 401 including the straight line 320 of the present embodiment.

  As shown in FIG. 6, the zoom image 401 includes a predetermined range (for example, a quarter range of the image 301, the second of the straight line 320) centered on the drawn portion of the straight line 320 in the image 301. This is an image obtained by enlarging the range.

  If the enter button of the remote controller 30 is pressed and a curve is drawn at the time of step S12, the projection unit 160 projects a zoom image including the curve 330 (step S13).

  FIG. 8 is a diagram illustrating a zoom image 402 including a curve 330 according to the present embodiment.

  As shown in FIG. 8, the zoom image 402 includes a predetermined range (for example, a quarter range of the image 302, a range surrounded by the curve 330) centered on a portion where the curve 330 is drawn. Etc.) is an enlarged image.

  The image generation unit 140 can determine the predetermined range and magnification of the zoom images 401 and 402 based on data indicating the start point and end point of a straight line or curve.

  If the instruction information indicates that the ESC button has been pressed in the determination in step S6, the image generation unit 140 ends the enhancement and zoom, generates a normal image, and the projection unit 160 A normal image is projected (step S15). That is, when the ESC button is pressed, all pointer icons 310, straight lines 320, and curves 330 included in the image being projected are deleted, and zooming is also terminated.

  As described above, according to the present embodiment, the projector 10 can generate the zoom images 400 to 402 that are linked to the enhancement instruction, and thus can more effectively emphasize a part of the images 300 to 302. it can.

  Further, according to the present embodiment, the projector 10 can generate zoom images 401 and 402 that are linked to the drawing of the straight line 320 or the curve 330 for emphasis, and thus more effectively part of the images 301 and 302. Can be emphasized. More specifically, for example, the projector 10 enlarges and projects the area from the start point to the end point of the straight line 320 and the curve 330, or enlarges and projects the area surrounded by the straight line 320 and the curve 330. be able to.

  Further, according to the present embodiment, the projector 10 can generate the zoom image 400 that is interlocked with the display of the highlighting pointer icon 310, so that a part of the image 300 can be emphasized more effectively. .

  In addition, according to the present embodiment, the projector 10 can generate the zoom image 400 in which the zoom target area is moved in accordance with the movement of the pointer icon 310, so that a part of the image 300 can be more effectively displayed. Can be emphasized.

  In addition, application of this invention is not limited to the Example mentioned above, A various deformation | transformation is possible.

  For example, in the example shown in FIGS. 3 to 8, zoom images 400 to 402 enlarged in units of rectangular areas are shown for easy understanding, but the zoom images are in units of such rectangular areas. It does not have to be.

  The projector to which the present invention is applicable is not limited to a front projection type projector, and may be a rear projection type projector. The projector is not limited to a liquid crystal projector, and may be a CRT projector, a DLP projector, an LED projector, or the like.

  Further, the method of emphasizing and zooming according to the operation content of the button is not limited to the above-described embodiment, and emphasis and zooming according to the actually applied operation are possible.

It is a functional block diagram of the projector in a present Example. It is a flowchart which shows the flow of the emphasis process in a present Example. It is a figure which shows the image containing a pointer icon. It is a figure which shows the zoom image containing the pointer icon of a present Example. It is a figure which shows the image containing a straight line. It is a figure which shows the zoom image containing the straight line of a present Example. It is a figure which shows the image containing a curve. It is a figure which shows the zoom image containing the curve of a present Example.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 Projector, 30 Remote control, 110 Instruction information input part, 120 Timer part, 130 Determination part, 140 Image generation part, 150 Storage part, 160 Projection part, 200 Information storage medium

Claims (6)

An instruction information input unit for inputting instruction information indicating an instruction to emphasize a part of the image by the user;
A determination unit for determining the content of the emphasis instruction and the position of the part based on the instruction information;
Based on the content and the position, an image generation unit that performs enhancement according to the content on the part and generates a zoom image in which an area including the part in the image is enlarged;
A projection unit for projecting the zoom image;
Including a projector. The projector according to claim 1, wherein
The image generation unit determines the region based on a start point and an end point of the straight line or the curve when the instruction information is information indicating drawing of a straight line or a curve for emphasis. The projector according to any one of claims 1 and 2,
The instruction information input unit inputs the instruction information from a remote controller,
The determination unit determines whether or not the pointer icon display instruction button in the remote controller has been pressed for a predetermined time or more based on the instruction information;
The projector is characterized in that, when the pointer icon display instruction button is kept pressed for a predetermined time or more, the image generation unit generates the zoom image including the pointer icon and enlarging the periphery of the pointer icon. The projector according to claim 3, wherein
The determination unit determines, based on the instruction information, whether or not an instruction to move the pointer icon has been performed in a state where the pointer icon is displayed;
The image generation unit generates the zoom image by moving the area according to the movement of the pointer icon when an instruction to move the pointer icon is given. A computer with a projector,
An instruction information input unit for inputting instruction information indicating an instruction to emphasize a part of the image by the user;
A determination unit for determining the content of the emphasis instruction and the position of the part based on the instruction information;
Based on the content and the position, the part is enhanced according to the content, and functions as an image generation unit that generates a zoom image in which an area including the part of the image is enlarged. program.   A computer-readable information storage medium storing the program according to claim 5.

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