JP2002116878A - Picture generation system and presentation system and information storage medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a picture generation system, a presentation system, and an information storage medium capable of visually understandable showing an instructed operation without using any special instructing tool. SOLUTION: This picture generation system is provided with a center of gravity detecting part 513 for detecting the center of gravity position of a spot light from a laser pointer based on image pickup information from a CCD camera 40, a pointing coordinate detecting part 514 for detecting pointing coordinates based on the center of gravity position, a storage part 530 for storing the coordinate position of the spot light at the time of turning off the spot light, and a deciding part 540 for deciding whether or not the coordinate position of the spot light at the time of turning off the spot light and the coordinate position of the spot light at the time of re-turning on the spot light are present in a prescribed allowable range. When it is decided that the coordinate position is present in the allowable range by the deciding part 540, it is discriminated that a series of operations such as click operations are performed, and a picture corresponding to the click operations or the like is generated by using a picture generating part 520.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image generation system, a presentation system, and an information storage medium for generating an image in which an instruction is given using instruction light.

[0002]

2. Description of the Related Art A general light pointer such as a laser pointer used in a presentation system using a liquid crystal projector or the like has only a function of simply pointing an image on a screen.
There was no normal PC operation or mouse click function.

[0003] For this reason, after designating a desired position with a laser pointer, a designator uses a PC (Personal Computer).
It was necessary to temporarily stop the instruction with the laser pointer for keyboard operation or mouse operation, and move to the place where the keyboard and mouse were. For this reason, the flow of instructions has stopped, and the audience cannot listen to the talks of the instructor in a concentrated manner, and further, the instructor cannot give a smooth instruction.

In order to solve this problem, an optical pointer has been proposed in which a plurality of buttons are provided on the optical pointer, and a function such as underlining is assigned to each button.

For example, an underline function is assigned to one of the buttons of the laser pointer, and the presenter presses the button to perform an operation of underlining a character displayed as a part of the presentation image. .

However, when a laser pointer is provided with a plurality of buttons, the laser pointer itself becomes large and
It became heavy, and the operability and portability at the time of the instruction operation were not truly comfortable.

[0007] Further, for example, even when an icon on a presentation image is clicked by a mouse operation or the like, conventionally, the change in the display of the icon image has been scarce. For this reason, it was difficult for not only the audience but also the instructor to recognize whether the click or the drag was performed.

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above problems, and has as its object to provide an image generation system, a presentation system, and an information system in which an instruction operation using a light pointer can be easily understood without using a special light pointer. It is to provide a storage medium.

[0009]

In order to solve the above-mentioned problems, an image generating system according to the present invention provides an image generating system which generates an image displayed in a predetermined image display area on which an instruction light is projected by an optical pointer. In the generation system, imaging means for imaging the image display area, pointing position detection means for detecting a position pointed by the optical pointer based on imaging information from the imaging means, and detecting blinking of the light based on the imaging information Discriminating means for discriminating the instruction content, and an image displayed in the image display area, the image corresponding to the indicated position based on the position detection information of the indicated position detecting means and the instruction content determined by the discriminating means. And control means for controlling the image generating means so that the image is displayed.

An information storage medium according to the present invention is a computer-readable information storage device for storing information for generating an image to be displayed in a predetermined image display area on which an instruction light is projected by an optical pointer. A medium, wherein the information is based on imaging information of the image display area, and based on the imaging information, an instruction position detection unit that detects an instruction position indicated by the optical pointer, and detects the flashing of the light based on the imaging information to indicate an instruction content. Determining means for determining, and an image displayed in the image display area, wherein an image corresponding to a designated position based on the position detection information of the designated position detecting means and the instruction content determined by the distinguishing means is displayed. And control means for controlling the image generation means as described above.

Further, a program according to the present invention is characterized in that it includes a module for realizing each of the above means.

According to the present invention, it is possible to detect the blinking of light from the optical pointer, determine the instruction content, and generate an image corresponding to the determined instruction content without using a special optical pointer. .

Thus, an image reflecting the contents of the instruction can be displayed using only the optical pointer without using a keyboard or a mouse.

The instructor can produce an image corresponding to the instruction content without holding the optical pointer and the keyboard, the mouse, and the like. Therefore, the instructor can efficiently convey his / her own operation contents to the audience, and the audience can easily understand the instruction contents.

Here, the image corresponding to the instruction content includes, for example, an image in which an icon is selected, an image in which an icon is moved, and an image when an application program associated with the icon is executed. That is, the image corresponding to the instruction content may be a still image or a moving image.

Further, in the image generation system, the information storage medium, and the program, the determination unit determines a click operation based on the blinking of the light, and the control unit determines a click operation in the image display area. Preferably, when the click operation is performed in the display area of the icon image, the image generation unit is controlled so that an icon image in which at least one of the color and the shape of the icon image is changed is displayed.

According to this, the instructor can visually recognize that the click operation has been determined.

[0018] Thus, it is possible for a person viewing the image to easily identify that the operator of the optical pointer is performing a click operation.

In the image generation system, the information storage medium, and the program, the determination means determines a drag operation based on blinking and movement of the light, and determines the image generation system, the information storage medium, and the program. In the program, when the drag operation is performed in a display area of a predetermined icon image in the image display area, the control unit generates an icon image in which at least one of a color and a shape of the icon image is changed. It is preferable to control the image generating means so that the icon image is displayed so as to move based on the movement of the light.

According to this, the instructor can visually recognize that the drag operation has been determined.

In addition, it is possible for a person viewing the image to easily identify that the operator of the optical pointer is performing a drag operation.

In the image generation system, the information storage medium, and the program, the determination means may determine that a difference between a designated position when the light is turned off and a designated position when the light is turned on again is within a predetermined range. If so, it is preferable to determine as a series of instruction operations.

According to this, by providing a predetermined allowable range when an instruction is given by blinking the light, even if there is some camera shake, it can be appropriately determined as an instruction operation.

In the image generation system, the information storage medium, and the program, the discriminating means may determine the range of the difference with respect to the operation direction of the blinking switch of the optical pointer. Preferably, it is relatively large compared to the different directions.

According to this, erroneous detection can be reduced by setting an allowable range in which directions in which camera shake is likely to occur are widened. Therefore, it is possible to more appropriately determine the instruction operation.

For example, when the blinking operation of the light is performed by pressing the blinking switch downward, the light tends to be blurred downward. Therefore, by expanding the allowable range in the downward direction, an appropriate allowable range can be set in consideration of the light blur.

In the image generation system, the information storage medium, and the program, the control means may control the image display so that a pointing cursor is displayed near a designated position based on position detection information of the designated position detecting means. Preferably, the generating means is controlled.

In the image generation system, the information storage medium, and the program, the control means may include an instruction to display the pointing cursor in the image display area outside the image display area. When the position is indicated by the optical pointer, the image is displayed such that the display position and the display direction of the instruction cursor are adjusted so that the instruction cursor is displayed in the image display area. Preferably, the generating means is controlled.

According to this, for example, even when the left-pointing cursor is slightly outside the image display area from the left end of the image display area, the pointing cursor is changed to the right-arrow display. By doing
The pointing position can be appropriately designated.

[0030] A presentation system according to the present invention includes the above-described image generation system, and projection means for projecting a presentation image generated by the image generation means toward the image display area. I do.

According to the present invention, it is possible to realize a presentation system in which an instruction operation is easily visually recognized without using a special light pointer in a presentation.

[0032]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the drawings, taking as an example a case where the present invention is applied to a presentation system for giving an instruction using an optical pointer.

(Explanation of the Entire System) FIG. 1 is a schematic explanatory diagram of a presentation system according to an example of the present embodiment.

A predetermined presentation image is projected from a projector 20 provided substantially in front of the screen. The presenter 30 gives a presentation to a third party while pointing a desired position of an image on the screen 10, that is, an image in the image display area 12 with the laser pointer 100.

The presenter 30 has the laser pointer 10
When a desired position of the image display area 12 on the screen is designated using the spot light 200 projected from 0, the image display area 12, a part of the presenter 30 and the spot light 200 are positioned almost in front of the image display area 12. Provided,
The image is captured as an instruction image by the CCD camera 40 functioning as an imaging unit.

The designated image is subjected to image processing such as a center of gravity detection process, and the center of gravity of the spotlight 200 is detected as the designated position.

As described above, when the presentation image is projected and the icon on the presentation image is pointed by the laser pointer 100, the change in the icon image is small in the ordinary method, so that the audience can determine whether the operation is a click or a drag. It is hard.

The laser pointer 100 has a function of underlining a desired portion of the presentation image.
When the laser pointer 100 is provided with a plurality of buttons, the laser pointer 100 itself becomes large and heavy, and the operability and portability at the time of the instruction operation are not truly comfortable. Would.

Therefore, in this embodiment, the keyboard,
An instruction operation that is visually easy to understand can be performed using a normal laser pointer 100 without using a mouse or a high-performance laser pointer.

FIG. 2 is a diagram showing a state of the spot light 200 and the icon 300 in the image display area 12, FIG. 2 (A) shows a state when the spot light 200 moves, and FIG. FIG. 2C shows a state in which the spot light 200 is overlaid on the icon 300, FIG. 2C shows a state in which the spot light 200 has disappeared, and FIG. 2D shows a state in which the spot light 200 has been turned on again. .

Here, it is assumed that the presenter gives an instruction to click icon 300 by blinking laser pointer 100.

As shown in FIG. 2A, when the presenter moves the tip of the laser pointer 100 to the left, the spot light 200 also moves to the left toward the icon 300.

As shown in FIG. 2B, the presenter 3
0 moves the tip of the laser pointer 100 to the left until the spot light 200 overlaps the icon 300.

Then, the spot light 200 changes to the icon 30.
At the point where the light overlaps 0, the presenter 30 turns off the blinking switch of the laser pointer 100 to extinguish the spotlight 200 as shown in FIG.

Immediately after the switch is turned off, FIG.
As shown in (2), the presenter 30 turns on the blinking switch of the laser pointer 100 to turn on the spotlight 200 again.

By identifying the above blinking operation, the processing device can recognize that the presenter has performed a click operation by the blinking operation.

By recognizing the click operation, the processing device changes the color of the icon 300 as shown in FIG.

Thus, the audience can easily determine that the presenter is performing the click operation.

Next, the relationship between the spotlight 200 and each function such as a click operation will be described in more detail.

FIG. 3 is a schematic diagram showing the relationship between the light emitting state of the spot light 200 and the function.

The light emission state is such that the upper line is a switch ON state and the lower line is a switch OFF state.

For example, in the initial state, the switch is OFF.
And is in a state of non-instruction. When the switch is turned on, an instruction function as shown in FIG.

Then, when the switch is turned off (disappears) from the ON state within a predetermined time and further turned on (relights), a function as a single click operates.

Thereafter, the instruction function operates again when the switch is ON.

Then, when the switch is turned off (disappears) and turned on (relighted) from the on state within a predetermined time, and further turned off (redisappears) and turned on (relighted), a double-click function is performed. Works.

Thereafter, when the switch is on, the instruction function is activated again, and when the switch is off, no instruction is given.

As described above, various functions can be realized by detecting the number of blinks and the blink interval of the spot light 200 only by the blinking operation of the spot light 200.

In the present embodiment, the spot light 20
At the time of the blinking operation of 0, as shown in FIG. 2 (D), an allowable range 320 is provided for the positional deviation between when the spot light 200 disappears and when the spot light 200 relights. That is, if the difference between the designated position by the spotlight 200 at the time of relighting and the designated position at the time of disappearance falls within the allowable range 320, even if the designated position is slightly different, it is recognized as a series of designated operations.

In particular, regarding the allowable range 320, FIG.
As shown in (D), the vertical direction is set wider than the horizontal direction. This is because the switch of the laser pointer 100 is provided so as to be pushed up and down,
This is because, when the switch is operated, the vertical camera shake amount is considered to be larger than the horizontal camera shake amount. Further, the lower allowable range in the vertical direction may be set larger than the upper allowable range.

When the switch of the laser pointer 100 is provided so as to be pressed in the left-right direction, it is preferable that the allowable range 320 is set wider in the left-right direction than in the up-down direction.

As described above, by providing the allowable range 320, even if there is slight camera shake, it is possible to appropriately determine the instruction operation as an instruction operation.

By setting the allowable range 320 in which the direction in which camera shake is likely to occur is set wider, it is possible to more appropriately determine the instruction operation.

In the present embodiment, the relationship between the amount of camera shake, that is, the amount of displacement of the spot light 200, and the projection distance of the laser light is also taken into consideration.

FIG. 4 is a schematic diagram showing the relationship between the projection distance of the laser light and the amount of displacement of the spot light 200.

As the distance from the laser pointer 100 to the image display area 12 increases to D1, D2, and D3, even if the camera shake angle is constant as θ, the shift amount of the spot light 200 is L1, L2, and L3. growing.

Therefore, when the distance from the laser pointer 100 to the image display area 12 is long, it is preferable to set the allowable range 320 to a relatively large value.

(Description of Functional Blocks) Next, functional blocks of the present system for realizing these functions will be described.

FIG. 5 is a functional block diagram of a system according to an example of the present embodiment.

The present system includes a CCD camera 40 as an image pickup unit, a processing unit 500, and a projector 20 (a front projection type liquid crystal projector) as a projection unit.

The processing section 500 includes the CCD camera 40
Position detection unit 5 that detects the designated position based on the imaging signal of
10 and the cursor 200 based on the detection result of the pointing position.
Image, image of icon 300 and image display area 12
Generates image information and the like to be displayed on the projector 2
And an image generation unit 520 that outputs the image data to 0.

More specifically, the position detecting section 510 includes a noise filter 511 for removing noise from a captured image and a binarizing processing section 512 for performing binarization so that data processing can be easily performed on the captured information. And a center-of-gravity detector 51 for detecting the center of gravity of the spotlight 200 based on the binarized imaging information
3 and a pointing coordinate detecting unit 51 for detecting a designated position (pointing position) based on the detected center of gravity.
4 is included.

Further, the processing section 500 includes a storage section 5 for storing the above-mentioned designated position when the spot light 200 is extinguished, the allowable range 320, and an application program and the like.
30, a determination unit 540 that determines whether the designated position at the time of re-lighting is within the allowable range 320, and a control unit 550 that controls the image generation unit 520 based on the determination result.

The hardware configuration of the processing section 500 will be described later.

Next, the flow of detecting an instruction operation using the above-described units will be described with reference to a flowchart.

(Explanation of Flow of Detection of Instruction Operation)
FIG. 6 is a flowchart illustrating a flow of detecting an instruction operation according to an example of the present embodiment.

Here, the click operation will be mainly described.

The presenter 30 has the laser pointer 1
00 is turned on to indicate the image display area 12 (step S4).

The position detecting section 510 detects the spot light 200 based on the image pickup information from the CCD camera 40, and the pointing coordinate detecting section 514 detects the designated coordinates.

The presenter 30 is shown in FIGS.
As shown in (C), the laser pointer 100 is turned off when the spotlight 200 overlaps the icon 300 to perform the click operation (step S6).

At this point, the pointing coordinate detector 5
The storage unit 5 stores the designated coordinates A and the light-off time A immediately before the light is turned off.
30 (step S8).

The determination unit 540 determines whether the image generation unit 52
Based on the image information generated at 0 and stored in the storage unit 530, it is determined whether or not the icon 300 having the coordinates that match the coordinates A is displayed on the current screen (step S10).

Then, the presenter 30 is set to the state shown in FIG.
As shown in (5), the laser pointer 100 is turned on again to perform the click operation (step S12).

The pointing coordinate detecting section 514 detects the designated coordinates B and time B at the time of relighting and stores them in the storage section 530 (step S14).

The determining unit 540 compares the coordinate position A at the time of turning off the light stored in the storage unit 530 with the coordinate position B at the time of relighting and determines whether or not the coordinate position is within the allowable range 320. Further, the determination unit 540 determines whether relighting has been performed within the first predetermined time by comparing the time A at the time of turning off and the time B at the time of relighting stored in the storage unit 530 (step S1).
6).

If relighting is performed within the allowable range 320 and within a predetermined time, the determination unit 518 recognizes that this is the first click operation (step S1).
8).

If the determination unit 518 recognizes that this is the first click operation, it issues a command to the control unit 550 to change the image of the icon 300 that matches the coordinate position A grasped in step S10.

The control unit 550 controls the image generation unit 520 to change the image of the icon 300 based on the command.

The image generation section 520 generates image information such that an image in which the icon 300 is selected as shown in FIG.
0 to output the image information.

The projector 20 projects an image based on the image information. As a result, an image in which the icon 300 is selected as shown in FIG. 2D is displayed, and a single click is executed (step S2).
0).

Further, determination section 540 determines whether the second
It is determined whether there is no light-off or light-up within the predetermined time (step S22).

If the light is turned off and turned on within the second predetermined time after time B, the determination section 540 stores a count value indicating how many times the light is turned off and turned on, respectively, in the storage section 53.
0 (step S24).

Then, when the count value reaches a predetermined value or when a second predetermined time has elapsed, the determination unit 540
Sends an instruction to the control unit 550 so that processing (double-click, drag) is performed according to the count value.

The control unit 550 operates the image generation unit 520 so that a process corresponding to the instruction is performed based on the instruction.
Control.

For example, in the case of a double-click, the image generation unit 520 refers to the storage unit 300 to determine whether or not a predetermined application program is associated with the icon 300, and if the association is made, executes the application program. Image information for displaying the image at the time is generated (step S26).

Then, similarly to the above-described processing flow, the projector 20 projects the image at the time of executing the application program on the screen 10.

Thus, the display screen on the screen 10 is changed, and the presenter 30 and the audience can visually recognize that the application program has been executed by double-clicking the icon 300 (step S).
28).

As described above, according to the present embodiment, a click operation or the like can be performed using the general laser pointer 100 without using a mouse or a keyboard. In addition, by changing the image of the icon 300 at the time of a click operation or the like, the presenter 30 and the audience can easily give a visually easy-to-understand and effective presentation.

Further, in the present embodiment, the judgment section 540
Based on the number of times the spotlight 200 blinks detected by the pointing coordinate detection unit 514, a click image (an image in which an icon is selected), a drag image (an image in which an icon is moved), and an image at the time of double-click (an icon It is determined which of the images (for example, an image at the time of execution of the associated application program) is to be displayed by the presenter 30.

For example, it is possible to detect the change in the movement of the spotlight 200 to grasp the operation content of the presenter 30, but the processing becomes heavy. By determining based on the number of times the spot light 200 blinks, the position detection unit 510, the determination unit 518, and the like can be realized with a simple configuration, and the determination can be performed quickly.

(Example using cursor) Note that icon 3
In addition to changing the display of 00, it is also possible to change the display of the cursor displayed following the detected designated position. Here, an arrow-shaped cursor is displayed when instructed, a circular cursor is displayed when clicked,
It is assumed that an elliptical cursor is displayed when dragging.

FIGS. 7A and 7B are diagrams showing the states of the cursor and the icons in the image display area. FIG. 7A shows the state when the cursor is moved, and FIG. 7B shows the state where the cursor overlaps the icon. FIG. 7C shows the display state of the cursor at the time of click recognition, and FIG. 7D shows the display state of the cursor at the time of drag recognition.

As shown in FIG. 7A, the presenter 3
0 moves the tip of the optical pointer to the left to move the cursor 202 having the left arrow shape closer to the icon 300.

Then, as shown in FIG. 7B, the presenter 30 turns off the light once when the tip of the arrow of the cursor 202 overlaps the icon 300, and immediately turns it on again. Accordingly, the determination unit 518 recognizes that the operation is a click operation, and issues an instruction to the image generation unit 520 so that the shape of the cursor conforms to the click operation.

When such a command is issued, as shown in FIG. 7C, the image generation unit 520 generates an image of the circular cursor 204, and the projector 20
The image of the circular cursor 204 is projected and displayed.

At the time of the drag operation, the presenter 30 turns on the switch of the optical pointer for about 5 seconds, for example.
The drag operation is performed by turning on the light pointer immediately after turning off the light pointer and moving the tip of the optical pointer.

The determination unit 518, which recognizes that such an operation has been performed, issues an instruction to the image generation unit 520 so that the shape of the cursor conforms to the drag operation.

When such an instruction is issued, as shown in FIG. 7D, the image generation unit 520 generates an image of the cursor 206 having an elliptical shape, and
Displays the image of the cursor 206 having an elliptical shape.
At the time of the drag operation, the projector 20 projects and displays the icon 300 and the cursor 206 in accordance with the movement of the light from the light pointer.

As described above, in addition to the icon 300,
By changing the display of the cursors 202 to 206, the presenter 30 can also perform an instruction operation that is easily understood by the audience.

Furthermore, in the present embodiment, the cursor 202 is displayed so that the cursor 202 for instruction is easily visible even at the end point of the image display area 12.

FIG. 8 is another diagram showing the state of the cursor 202 and the icon 300 in the image display area 12.
FIG. 8A shows an icon 30 near the center of the image display area.
FIG. 8 shows a state in which 0 is indicated by the cursor 202.
FIG. 8B shows a state in which the icon 300 near the right end is indicated by the conventional cursor 202, and FIG.
FIG. 7 is a diagram illustrating a state in which an icon 300 near the right end is indicated by a cursor 202 according to the embodiment.

For example, in the normal state, as shown in FIG. 8A, when the icon 300 is located near the center of the image display area, it is possible to designate with the cursor 202 having a left-pointing arrow shape.

However, as shown in FIG. 8B, the icon 300 near the right end is moved to the left arrow-shaped cursor 2.
02, the cursor 202 is located on the right side of the icon 300, so the image display area 1
The cursor 202 protrudes from 2. For this reason,
In fact, the cursor 20
2 will not be displayed.

In this embodiment, as shown in FIG. 8C, when the icon 300 near the right end is pointed by the cursor 202 having the left-pointing arrow shape, the direction of the cursor 202 is reversed, and the cursor 202 is moved to the icon 300. This problem has been solved by displaying it on the left side.

For example, the judging unit 518 detects the cursor 202 based on the detection result of the pointing coordinate detecting unit 514.
When it is determined that the display position of the image protrudes from the image display area 12, if the protruding range is within a predetermined allowable range, the direction and the position of the cursor 202 are adjusted so that the cursor is positioned in the image display area 12. The image generation unit 520 is controlled so that the image 202 is displayed.

As described above, according to the present embodiment, even when the cursor 202 extends outside the image display area 12, the cursor 202 can be appropriately displayed.

(Description of Hardware Configuration) Next, the hardware configuration of the processing section 500 will be described.

FIG. 9 is an explanatory diagram of the hardware configuration of the processing section 500 according to an example of the present embodiment.

In the device shown in FIG.
CP realizing the functions of the determination unit 540 and the control unit 550
U1000, ROM 1002, RAM 1004 for realizing the functions of storage unit 530, information storage medium 1006, image generation IC 1010 for realizing the functions of image generation unit 520, I
/ O (input / output ports) 1020-1 and 1020-2
They are connected to each other by a system bus 1016 so that data can be transmitted and received. And I / Os 1020-1 and 102
It is connected to devices such as the CCD camera 40 and the projector 20 via 0-2.

The information storage medium 1006 stores programs, modules, and the like. Note that as the information storage medium 1006, for example, a hard disk or a memory that can read information by magnetism, such as a CD-ROM or a DVD-ROM that reads information by a laser beam, can be applied. The method of reading information from the information storage medium may be a contact method or a non-contact method.

The various processes described with reference to FIGS. 1 to 8 are realized by an information storage medium 1006 storing a program for performing these processes, a CPU 1000 operating according to the program, an image generation IC 1010, and the like. . Note that the processing performed by the image generation IC 1010 or the like may be performed by software using the CPU 1000, a general-purpose DSP, or the like.

Further, instead of the information storage medium 1006, each of the above-described functions can be realized by downloading a program or the like for realizing the above-described functions from a host device or the like via a transmission path. . That is, the information for implementing each of the above-described functions may be embodied in a carrier wave.

Although the preferred embodiment to which the present invention is applied has been described above, the application of the present invention is not limited to the above-described embodiment.

(Other Embodiments) For example, the icon 30
The change of the display of 0 or the cursor 202 or the like may be a change of only the shape, a change of only the color, or a change of both the shape and the color. Specifically, for example, blinking display, reverse display, or the like may be performed. These also make it possible to visually indicate the instruction operation by the operator of the optical pointer in an easily understandable manner. Note that the optical pointer is not limited to the laser pointer described above, and a pointer that projects various lights such as an infrared pointer can be applied.

Further, in the present embodiment, an example has been described in which an instruction is determined to generate an image, but, for example, the instruction is determined to emit a sound, and a portion in which the instruction is determined is vibrated. It is also possible to perform such processing.

Further, the present invention can be applied to a case where a presentation or the like is performed by displaying an image using a display means other than the projection means such as the projector described above. Such display means include, for example, a CRT (Cathode Ray Tube), a PD, in addition to a liquid crystal projector.
P (Plasma Display Panel), F
ED (Field Emission Display)
y), EL (Electro Luminescence)
e), a display device such as a direct-view type liquid crystal display device and the like.

Each part of the processing section 500 may be built in the projector 20, may be built in an external device of the projector 20 such as a PC, or may be built in the projector 20 and the PC in a shared manner. Good.

Further, in the above-described embodiment, the example in which the front projection type projector is applied has been described. However, the rear projection type projector can be applied.

Further, the present invention is not limited to the presentation system, but can be applied to various image generating systems that detect an indicated position and generate an image based on the detection result.

[Brief description of the drawings]

FIG. 1 is a schematic explanatory diagram of a presentation system according to an example of an embodiment.

2A and 2B are diagrams illustrating states of a spot light and an icon in an image display area. FIG. 2A illustrates a state when the spot light moves, and FIG. 2B illustrates a state where the spot light overlaps the icon. FIG. 2C shows a state in which the spot light has disappeared, and FIG. 2D shows a state in which the spot light has been turned on again.

FIG. 3 is a schematic diagram showing a relationship between a light emitting state of a spot light and a function.

FIG. 4 is a schematic diagram illustrating a relationship between a projection distance of laser light and a shift amount of spot light.

FIG. 5 is a functional block diagram of a system according to an example of the present embodiment.

FIG. 6 is a flowchart illustrating a flow of detecting an instruction operation according to an example of the present embodiment;

7A and 7B are diagrams illustrating states of a cursor and an icon in an image display area. FIG. 7A illustrates a state when the cursor is moved, and FIG. 7B illustrates a state where the cursor overlaps the icon. FIG. 7C shows the display state of the cursor at the time of click recognition, and FIG. 7D shows the display state of the cursor at the time of drag recognition.

FIG. 8A is another diagram showing a state of a cursor and an icon in an image display area, and FIG. 8A shows a state in which an icon is indicated by a cursor near the center of the image display area; FIG. 8B shows a state in which an icon near the right end is indicated by a conventional cursor, and FIG. 8C shows a state in which an icon near the right end is indicated by the cursor of the present embodiment. is there.

FIG. 9 is an explanatory diagram of a hardware configuration of a processing unit according to an example of the present embodiment.

[Explanation of symbols]

 12 Image display area 20 Projector 30 Presenter 40 CCD camera 100 Laser pointer 510 Position detection unit 520 Image generation unit 540 Judgment unit 550 Control unit 1006 Information storage medium

Claims (8)

[Claims] 1. An image generation system for generating an image displayed in a predetermined image display area on which an instruction light is projected by an optical pointer, wherein: an image pickup means for picking up the image display area; Pointing position detecting means for detecting a position pointed by the light pointer based on information; determining means for detecting blinking of the light based on the imaging information to determine the content of the instruction; and an image displayed in the image display area. Control means for controlling an image generation means to display an image corresponding to an indicated position based on the position detection information of the indicated position detection means and an instruction content determined by the determination means. An image generation system characterized by the following. 2. The method according to claim 1, wherein the determination unit determines a click operation based on the blinking of the light, and the control unit performs the click operation in a display area of a predetermined icon image in the image display area. Wherein the image generation unit controls the image generation unit to display an icon image in which at least one of the color and the shape of the icon image is changed. 3. The method according to claim 1, wherein the determining unit determines that a difference between a designated position when the light is turned off and a designated position when the light is re-lit is within a predetermined range. An image generation system characterized in that it is determined as a series of instruction operations. 4. The method according to claim 3, wherein the determination unit sets the range of the difference to be relatively large in an operation direction of the blinking switch of the optical pointer as compared with a direction different from the operation direction of the blinking switch. An image generation system, comprising: 5. The image processing unit according to claim 1, wherein the control unit controls the image generating unit so that a pointing cursor is displayed near a designated position based on position detection information of the designated position detecting unit. An image generation system, comprising: 6. The optical pointer according to claim 5, wherein the control unit indicates a pointing position at which the pointing cursor for pointing to a pointing position in the image display area outside the image display area is displayed. In the case, the image generation unit is controlled so that an image in which the display position and the display direction of the instruction cursor are adjusted is displayed so that the instruction cursor is displayed in the image display area. Image generation system. 7. An image generation system according to claim 1, further comprising: a projection unit configured to project a presentation image generated by the image generation unit toward the image display area. And presentation system. 8. A computer-readable information storage medium storing information for generating an image to be displayed in a predetermined image display area on which an instruction light is projected by an optical pointer, wherein the information is: Pointing position detecting means for detecting a position pointed by the light pointer based on the imaging information of the image display area; determining means for detecting blinking of the light based on the imaging information to determine the content of the instruction; Control for controlling the image generating means to display an image displayed in the area, the image corresponding to the designated position based on the position detection information of the designated position detecting means and the instruction content determined by the determining means. Means, and information for realizing the following.