JP2009163586A - Operation apparatus, image display apparatus and image display system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an operation apparatus capable of performing intuitive operation for emphasizing an appeal point, an image display apparatus and an image display system. <P>SOLUTION: The apparatus 100 for entering the operation of equipment to be operated includes an operation signal output part 110 to output an operation signal of the equipment to be operated, a grip part 120 constituted so that pressure is applied by gripping it and a pressure sensor 130 for detecting pressure applied to the grip part 120. The operation signal output part 110 outputs an operation signal based on a detection value of the pressure sensor 130. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an apparatus that performs operation input, an image display apparatus, and an image display system including these apparatuses.

  2. Description of the Related Art Conventionally, with respect to a projection display device, as a technique for “providing a projection display device capable of giving a lecture while pointing a cursor at a specific position on a screen on a screen”, “a liquid crystal projector 11 driven by a personal computer is provided. The image on the liquid crystal panel 13 is projected onto the screen 15 by the light from the light source 12. An infrared ray from the laser pointer 19 is projected on the screen 15 as a spot light image. The spot light image is read as an image signal by the image sensor 17 through the lens 17, and its coordinate position is detected by the coordinate detector 20. Input to the computer. Then, a mouse cursor image is created at the coordinate position of the spot light image on this personal computer and displayed on the screen 15. Is proposed (Patent Document 1).

  In addition, regarding a projector, as a technology for the purpose of “providing a projector capable of operating a pointer projected on a screen with a simple structure”, “projected on a screen by moving a remote control in space” In the projector that operates the pointer, the remote controller includes an on / off button for switching the display of the pointer, a trajectory button for displaying the movement trajectory of the pointer, the front-rear direction of the remote controller is the Y axis, and the width direction is the X axis. And an acceleration in a direction substantially parallel to the Y axis, a Y axis direction acceleration sensor for detecting a tilt in the Y axis direction of the remote controller, and an acceleration in a direction parallel to the X axis. , An X-axis direction acceleration sensor for detecting the tilt in the X-axis direction, and an amount of tilt from the Y-axis direction acceleration sensor and the X-axis direction acceleration sensor Based, and a pointer arithmetic means for generating a pointer operation signal for moving said pointer. Is proposed (Patent Document 2).

JP 9-80372 A (summary) JP 2007-248710 A (summary)

  In a presentation using an image display device such as a projector, it is important to effectively emphasize the appeal point of display content. For this purpose, it is effective for the presenter to intuitively operate the image display device to easily appeal the appeal point to the viewer's sense, and it is desirable that the image display device has a function to assist this.

  However, the techniques described in Patent Documents 1 and 2 do not include a function that allows an intuitive operation regarding emphasizing the appeal point, but an image display device having such a function and an operation for the same. An operating device that performs input is desired.

  The present invention has been made to solve the above-described problems, and provides an operation device, an image display device, and an image display system capable of performing an intuitive operation regarding emphasizing appeal points. With the goal.

An operation device according to the present invention is a device that performs operation input of an operated device, and is configured to be able to apply pressure by grasping with an operation signal output unit that outputs an operation signal of the operated device. A grip sensor; and a pressure sensor that detects pressure applied to the grip section, and the operation signal output section outputs an operation signal corresponding to a detection value of the pressure sensor.
Therefore, the user can instruct the device to be operated simply by grasping the grip portion, and can also instruct the strength of the emphasis by the strength of the grip. It can be done with intuitive operation.

In addition, the operation device according to the present invention includes a button configured to be pressed, and the operation signal output unit outputs an operation signal to that effect when the button is pressed.
Therefore, an instruction to switch ON / OFF can be given to the operated device with a simple operation, and there is an effect that user operability is increased.

The operation device according to the present invention includes an acceleration sensor that detects acceleration applied to the operation device, and the operation signal output unit outputs an operation signal corresponding to a detection value of the acceleration sensor.
Therefore, the user can instruct the device to be operated simply by moving the operating device, and can also instruct the speed of movement by changing the speed at which the operating device is moved. The movement instruction and the speed instruction can be performed with.

In addition, the operating device according to the present invention includes a locking portion for preventing slipping on at least one of the upper and lower sides of the grip portion.
Therefore, when the operating device is moved, the operating device can be prevented from slipping down from the user's hand, which is preferable from the viewpoint of the safety of equipment and users existing in the vicinity.

The image display device according to the present invention includes an image signal acquisition unit that acquires an image signal, an image display unit that displays an image based on the image signal acquired by the image signal acquisition unit, and operations of the image display unit. A control unit that controls, and an operation signal input unit that receives an operation signal and outputs the operation signal to the control unit, and the operation signal input unit receives the operation signal including a pressure detection value and outputs the operation signal to the control unit Then, the control unit instructs the image display unit to perform highlighting with an effect range determined according to the magnitude of the pressure detection value, and the image display unit highlights the image signal based on the instruction. The image is displayed with the effect superimposed.
Therefore, the user can perform an instruction for emphasizing the appeal point by an intuitive operation using an operation device that outputs an operation signal instructing highlight display by applying pressure, and the user using the image display device It can be effectively supported.

In the image display device according to the present invention, the control unit scans the image signal in the horizontal direction of the image to acquire a tendency of color change of the image signal, and the same color portion repeatedly appears on the scanning line. If the image display unit determines that the image is a character image and instructs the image display unit to perform the highlighting after determining that the image is a character image, the range of the character part of the image signal Instruct to perform highlighting at the same time.
For this reason, it is possible to automatically identify and close up the character image portion and perform close-up highlighting, and effectively support a user who wants to emphasize the character image portion using the image display device.

In the image display device according to the present invention, when the control unit determines that the image signal is an image signal for displaying characters, the effective range of the highlight display is expanded according to the pressure detection value. When instructing the image display unit, the horizontal enlargement amount of the highlighted display is set larger than the vertical enlargement amount.
Therefore, it is possible to perform effective highlighting by appropriately highlighting the character image portion that the user wants to appeal, and to effectively support the user who wants to emphasize the character image portion using the image display device. .

The image display device according to the present invention further includes a video memory that holds pixel data corresponding to each pixel of the image display unit, and the video memory is obtained by scanning the image signal in a horizontal direction of the image. The control unit holds the pixel data in the order in which the video signal is stored, and the control unit scans the pixel data corresponding to the image signal by sequentially accessing the video memory when acquiring the tendency of the color change of the image signal.
For this reason, the control unit can sequentially acquire the pixel data by sequentially accessing the physical addresses in which the pixel data is stored in the video memory, so that the pixel data can be acquired at high speed.

In the image display device according to the present invention, when the control unit determines that the image signal is not an image signal for displaying characters, the control unit adjusts the aspect ratio of the highlight display to the aspect ratio of the image signal.
Therefore, in the case of displaying a general image, the effect of guiding the viewer's line of sight to the center of the highlight display can be exhibited, and the user who wants to emphasize the appeal point using the image display device can be effectively supported. it can.

In the image display device according to the present invention, the operation signal input unit receives the operation signal indicating that a cursor should be displayed or deleted, and outputs the operation signal to the control unit. The control unit is based on the operation signal. The image display unit is instructed to display or erase the cursor, and the image display unit displays the image by superimposing or erasing the cursor on the image signal based on the instruction.
Therefore, the user can switch ON / OFF of the cursor with a simple operation, and there is an effect that the operability of the user is increased.

In the image display device according to the present invention, the operation signal input unit receives the operation signal including an acceleration detection value and outputs the operation signal to the control unit, and the control unit displays the acceleration represented by the acceleration detection value. The image display unit is instructed to move the cursor in a direction, and the image display unit displays the image in which the cursor is moved based on the instruction.
Therefore, the user can perform an instruction to move the cursor by an intuitive operation using an operation device that outputs an operation signal instructing movement by applying acceleration, and the user who uses the image display device can be effectively operated. Can be supported.

In the image display device according to the present invention, the control unit may detect the pressure detection value from the operation signal input unit when the image display unit displays the image with a cursor superimposed on the image signal. Is received, the image display unit is instructed to erase the cursor and perform the highlighting, and the image display unit erases the cursor and displays the highlighting based on the instruction. The superimposed image is displayed.
Therefore, the user can perform an intuitive operation to switch the highlighting position and the cursor display / highlighting display using the operation device that moves and highlights the cursor by the above operation.

Further, in the image display device according to the present invention, when the input of the operation signal including the pressure detection value is interrupted when the image display unit performs the highlight display, the control unit displays the highlight display. And the image display unit instructs the image display unit to display the cursor at the original position, and the image display unit cancels the highlighting based on the instruction and superimposes the cursor on the original position. Is displayed.
Therefore, the user can turn off highlighting by the reverse operation to instruct highlighting, and the same intuitive operability as when highlighting is maintained in the same way when turning off highlighting. Is done.

In the image display device according to the present invention, the image display unit displays the image by superimposing an elliptical emphasis display effect on the image signal.
Therefore, it is possible to perform effective highlighting that can easily guide the viewer's line of sight to the center of the highlight display.

An image display system according to the present invention includes any one of the operation devices described above and the image display device described above, and the operation signal output unit included in the operation device includes: The operation signal is output to the image display device, and the operation signal input unit included in the image display device receives the operation signal.
Therefore, an image display system can be configured with a flexible configuration by combining one or more of the above-described operation devices and image display devices.

Embodiment 1 FIG.
FIG. 1 is an external view of an operating device 100 according to Embodiment 1 of the present invention.
The operation device 100 is a device for operating an electronic device such as an image display device 200 described later, and includes an operation signal output unit 110, a grip unit 120, a pressure sensor 130, a button 140, locking portions 150a and 150b, acceleration. A sensor 160 is provided.

The operation signal output unit 110 is arranged inside the main body housing of the operation device 100 or a part of the operation signal output unit 110 is out of the main body housing of the operation device 100 and corresponds to the operation content performed by the user using the operation device 100. Output the operation signal. Details of operations that can be performed by the user using the operation device 100 will be described later.
The signal format may be either wired or wireless, but is preferably a signal format using wireless communication in consideration of operability. In the case of a wired connection, the operation signal output unit 110 and the operated device are connected by a cable or the like.

The grip part 120 is configured such that two plates are connected by a hinge part so that the user can grip the grip part. When the user grips the grip portion 120, the two plates are closed, and when the user releases the grip, the plate returns to its original position by a biasing means such as a spring.
Moreover, the shape of the periphery of the grip part 120 of the operating device 100 is streamlined so that the user can easily grip it, and fits the shape of the user's hand.
The shape of the grip part 120 is not necessarily limited to this, and may be formed of, for example, a soft material that is recessed when gripped.

The pressure sensor 130 is disposed inside the main body housing of the controller device 100 and detects a pressure value applied when the user grips the grip part 120.
The button 140 is configured to be pressed by the user, and is for performing an operation input that can be controlled by binary values, for example, ON / OFF.

The locking portions 150a and 150b are respectively provided above and below the grip portion 120. When the user operates the operation device 100 while holding the grip portion 120, the user's hand slides from the grip portion 120 to operate. It serves as a non-slip material that prevents the device 100 from being released.
The shapes of the locking portions 150a and 150b may be arbitrary, but in consideration of the fact that the grip portion 120 is configured in a streamline, the locking portions 150a and 150b are also configured in a streamlined convex shape. It is preferable because of the design harmony.
Moreover, although the structure which provided the latching | locking part 150 in the upper and lower sides of the grip part 120 was shown in FIG. 1, it does not change that only the upper and lower sides can exhibit the anti-slip | skid effect about the part.

  The acceleration sensor 160 is disposed inside the main body housing of the controller device 100, and detects an acceleration applied to the controller device 100 when the user moves it by holding the controller device 100 in his hand and swinging it in the air.

The external configuration of the operating device 100 has been described above.
Next, an internal functional configuration of the controller device 100 will be described.

  FIG. 2 is an internal functional block diagram of the controller device 100. The operating device 100 includes a signal circuit 170 and a CPU (Central Processing Unit) 180 in addition to the components described in FIG. In FIG. 2, the same components as those in FIG. 1 are denoted by the same reference numerals.

The signal circuit 170 receives signals representing the detection values of the sensors from the pressure sensor 130 and the acceleration sensor 160, appropriately performs necessary processing such as converting them into digital signals, and outputs them to the CPU 180.
In addition, a signal output when the button 140 is pressed is received, and necessary processing such as digitization is appropriately performed and output to the CPU 180.

The CPU 180 receives signals output from the pressure sensor 130, the button 140, and the acceleration sensor 160 from the signal circuit 170, converts them into operation signals corresponding to these contents, and outputs them through the operation signal output unit 110.
The operation signal here is a signal for transmitting an instruction to the operated device, and is output in a signal format that matches the specification of the operation signal input unit provided in the operated device. The content of the operation signal corresponds to the operation content of the operated device.
Details of operations that can be performed using the operation device 100 will be described later.

  The operation signal output unit 110 appropriately includes a necessary signal conversion circuit and the like in order to appropriately convert the operation signal received from the CPU 180 into a signal format that can be received by the operated device. For example, when an operation signal is output by communicating with an operated device by wireless communication, the signal format is converted to a signal format related to wireless communication.

The internal functional configuration of the controller device 100 has been described above.
Next, specific operation contents using the operation device 100 will be described with reference to FIGS. It is assumed that the operation target in the following description is the image display device 200 that displays an image on the screen.

FIG. 3 shows an operation for displaying the cursor 300 on the image display device 200.
When the user displays the cursor 300 on the image display device 200, the user presses the button 140 of the operation device 100. Then, an operation signal indicating that the button 140 has been pressed is output from the operation signal output unit 110 via the signal circuit 170 and the CPU 180.
The image display apparatus 200 receives the operation signal and displays the cursor 300 superimposed on the screen displaying the image.
To turn off the cursor display, the button 140 is pressed again.

FIG. 4 shows an operation for moving the cursor 300.
When moving the cursor 300 displayed on the image display device 200, the user moves the main body of the operation device 100 in the direction in which the cursor 300 is to be moved.
Then, the acceleration sensor 160 detects the acceleration applied to the operating device 100 at that time, and an operation signal corresponding to the detected acceleration value is output from the operation signal output unit 110 via the signal circuit 170 and the CPU 180.
The image display device 200 receives the operation signal and moves the cursor 300 on the screen in the direction in which the user moves the operation device 100.

  Further, if the speed at which the controller device 100 is moved is increased or decreased, this is reflected in the detected acceleration value. Based on this, the moving speed of the cursor 300 can be increased or decreased. .

When the user wants to move the cursor 300, the user may perform an intuitive operation of moving the main body of the operation apparatus 100 in the direction in which the cursor 300 is to be moved. For this reason, the operational feeling for the user is increased. For example, if a presentation is being performed, the explanation is easily heated, and an effective presentation that remains in the impression of the listener is easy to perform.
As described above, the operation device 100 exhibits a function of effectively assisting the user who uses the image display device 200 by the operation of FIG.

FIG. 5 shows an operation for highlighting the position of the cursor 300.
The user holds the grip portion 120 of the operation device 100 when highlighting the image display device 200. Then, the pressure sensor 130 detects the pressure applied to the grip unit 120 at that time, and an operation signal corresponding to the detected pressure value is output from the operation signal output unit 110 via the signal circuit 170 and the CPU 180.
The image display device 200 receives the operation signal and highlights the position where the cursor 300 is displayed on the screen at that time.

When the user grips the grip part 120, the cursor 300 is erased from the screen, and highlighting is performed at the position where the cursor 300 was displayed.
Thereafter, when the user releases the grip portion 120, the input of the operation signal including the pressure detection value is interrupted, and the image display device 200 detects this and displays the cursor 300 again at the original position.
Thereafter, when the user further presses the button 140, the display of the cursor 300 is turned off.

The highlighting here is, for example, a screen display in which a user who is making a presentation using the image display device 200 adds a display effect that makes the portion displaying the appeal point to be emphasized stand out from the other portions. It means operation.
As an example of highlighting, a method of covering the periphery of the cursor 300 with an ellipse and attaching a conspicuous color within the ellipse, or increasing the brightness within the ellipse to make the portion stand out is conceivable.

Note that the size of the range to be highlighted can be changed by the strength with which the user holds the grip portion 120.
As a specific implementation example, when the pressure sensor 130 detects the pressure applied to the grip unit 120, an operation signal corresponding to the pressure detection value is output from the operation signal output unit 110. A method of acquiring the pressure detection value 200 and changing the magnitude of the range of the enhancement effect according to the magnitude of the value can be considered.

  In addition, even when the highlighting is being performed, when the user changes the strength with which the grip unit 120 is gripped, an operation signal corresponding to this is output from the operation signal output unit 110, and the image display device 200 Depending on the operation signal, the size of the highlight display range can be changed sequentially to give a motion to the highlight display.

In general, when the user is explaining the appeal points of the presentation, there is a case where the body is naturally enthusiastic and the explanation is heated. Therefore, when highlighting the appeal point, the operation of changing the size of the highlight range by adjusting the grip of the grip unit 120 fits well with the user's strength and is intuitive. It can be said that the appeal effect of the presentation can be demonstrated.
As described above, the operation device 100 exhibits a function of effectively assisting the user using the image display device 200 by explaining the appeal points by the operation of FIG.

As described above, according to the first embodiment, the operating device 100 includes the pressure sensor 160 that detects the pressure applied to the grip unit 120, and an operation signal corresponding to the detected pressure value is output to the operation signal output unit. 110 to output.
Therefore, when the user instructs the image display device 200 to perform the highlight display, it is only necessary to grip the grip portion 120, and the size of the highlight display range can be changed according to the grip state. The operation can be instructed to emphasize the appeal points.

Further, according to the first embodiment, the operation device 100 includes the button 140, and the user can press the button 140 to turn the cursor on the image display device 200.
For this reason, the cursor display can be switched with a simple operation, which has the effect of improving the operability for the user.

Further, according to the first embodiment, the operation device 100 detects the acceleration applied when the user moves the operation device 100 with the acceleration sensor 160 and outputs an operation signal corresponding to the detected acceleration value to the operation signal output unit. 110 to output.
Therefore, when the user instructs the image display device 200 to move the cursor 300, it is only necessary to move the operating device 100 in the direction in which the user wants to move, and the moving speed of the cursor 300 can also be varied. Therefore, the cursor can be operated with an intuitive operation.

  Further, according to the first embodiment, since the operating device 100 includes the locking portions 150a and 150b, when the user moves the operating device 100, the operating device 100 slips from the user's hand. This is preferable from the viewpoint of safety of devices and users existing in the vicinity.

  Further, according to the first embodiment, the grip portion 120 and the locking portions 150a to 150b are configured in a streamlined manner, and the operation device 100 fits the user's hand to improve the operation feeling, and also in terms of design. An excellent operating device 100 can be provided.

Embodiment 2. FIG.
In the first embodiment, the configuration and operation method of the operation device 100 have been described.
In the second embodiment of the present invention, details of the configuration and operation of the image display apparatus 200 will be described. The configuration and operation of operation device 100 are assumed to be the same as those described in the first embodiment, and a description thereof is omitted.
In the following description, a case where the image display device 200 has a projection function will be described as a specific configuration of the image display device 200. However, the image display function of the image display device 200 is not necessarily limited to the projection function. Instead, for example, the image display function may be configured by an apparatus including a screen display device.

FIG. 6 is a functional block diagram of the image display apparatus 200 according to the second embodiment.
The image display device 200 includes an operation signal input unit 210, a control unit 220, a video memory 230, an image display unit 240, and an image signal acquisition unit 250.

The operation signal input unit 210 receives the operation signal output from the operation device 100, appropriately performs necessary processing such as digitization, and outputs it to the control unit 220.
The control unit 220 controls the operation of the entire image display apparatus 200, and controls the operation of the image display unit 240 based on the operation signal received by the operation signal input unit 210.
The video memory 230 holds pixel data of an image displayed by the image display unit 240. The configuration of the pixel data will be described again with reference to FIGS.

The image display unit 240 appropriately includes a configuration necessary for image projection such as a light source and a projection optical system, and projects the image onto a screen (not shown) based on pixel data held in the video memory 230.
The image signal acquisition unit 250 acquires an input image signal to be displayed by the image display device 200 and outputs the input image signal to the control unit 220. Specifically, the input image signal can be acquired as in the examples given in (1) and (2) below.
(1) The image signal is supplied from the input terminal.
(2) Image data is stored in a memory card, the memory card is inserted into a predetermined slot, and the image data is acquired.

Note that the above-described pixel data is image data to be supplied to the image display unit 240 in units of pixels.
In principle, pixel data is configured in advance in the video memory 230 for all the pixels of the display image, and the image display unit 240 performs image display based on the pixel data. In the second embodiment, pixel data is configured in the video memory 230 for each pixel of the image projected on the screen.

FIG. 7 explains the layer structure of the video memory 230.
The video memory 230 has at least three areas: (a) an image layer, (b) an effect layer, and (c) a cursor layer. The following pixel data is stored in each area.

(A) Image layer The pixel data of the image itself to be displayed by the image display unit 240 is stored.
(B) Effect layer Pixel data of only the highlight display effect part is stored. The image display unit 240 superimposes the pixel data of the image layer and the effect layer to form a final display image.
(C) Cursor layer Pixel data of only the cursor 300 portion is stored. When displaying the cursor 300, the image display unit 240 superimposes the pixel data of the image layer to the cursor layer to form a final display image.

When superimposing the pixel data of each layer, the pixel data of the lower layer may be completely overwritten with the pixel data of the upper layer, but the transparency is set in the upper layer and the pixel data of the lower layer is transmitted. Overlay may be performed so as to display them automatically.
When setting the transparency of the pixel data, an area necessary for storing the numerical value of the transparency is secured in the memory area for storing the individual pixel data.
As the simplest method, in addition to the 24-bit pixel data for the three RGB colors, an 8-bit area for storing the transparency is added, and a 32-bit memory area is secured for each pixel.

  In FIG. 7, in order to image the superposition of pixels, a planar image is described so that each layer is directly superimposed on top. However, when pixel data is actually stored in the video memory 230, FIG. It should be noted that the data is stored in series in the order of the physical addresses of the video memory 230.

FIG. 8 explains the storage order of the pixel data held by the video memory 230.
Referring to the example of FIG. 8, the video memory 230 stores pixel data in the order of pixels obtained by scanning the display image to the right, starting from the pixel data at the upper left of the display image. . When the scanning reaches the right end of the display image, it is stored in the order of pixels obtained by scanning one pixel down and again in order from the left end pixel.
As described above, when the order in which the pixel data is stored in the video memory 230 is matched with the order of the pixels obtained by scanning the display image in the horizontal direction, the pixel data is later scanned in the horizontal direction of the image. Sometimes useful. Details will be described later again in a third embodiment.

Heretofore, each component of the image display device 200 has been described.
Next, the operation when the image display apparatus 200 receives an operation signal will be described in the following steps (1) to (3).

(1) Acquisition and Display of Image Signal The image signal acquisition unit 250 acquires an image signal by the method described above and outputs it to the control unit 220. The control unit 220 configures pixel data of a display image in the video memory 230 based on the received image signal. The image display unit 240 projects an image on the screen based on the pixel data.

(2) Output and Accept Operation Signal The user operates the operation device 100, and the operation device 100 outputs the operation signal to the image display device 200. The operation signal input unit 210 receives the operation signal and outputs it to the control unit 220.
The operation here is an operation as described in FIGS. 3 to 5 of the first embodiment.

(3) Execution of operation corresponding to operation signal Based on the received operation signal, the control unit 220 (b) applies a highlight effect, (c) cursor displays or moves the effect layer, and (c) cursor Pixel data reflecting the contents of each operation signal is formed in the layer.
The image display unit 240 projects an image on the screen based on the pixel data. Since the content of the projected image is the same as that described in FIGS. 3 to 5 of the first embodiment, description thereof is omitted.

  Through the operations of the above steps (1) to (3), the image display device 200 displays an image based on the image signal acquired by the image signal acquisition unit 250, and an operation performed by the user using the operation device 100. The input can be reflected on the display image.

  As described above, according to the second embodiment, the operation signal input unit 210 receives the operation signal including the pressure detection value from the operation device 100, and the control unit 220 determines the pressure detection value included in the operation signal. Since the size of the highlight range is determined according to the size, the effect described in the first embodiment can be exhibited.

  Further, according to the second embodiment, the operation performed by pressing the button 140 or moving the main body of the operation device 100 is also reflected in the display image in the same procedure, so that it has been described in the first embodiment. The effect can be demonstrated.

Further, according to the second embodiment, when the control unit 220 receives an operation signal for highlighting from the operation device 100 when the cursor 300 is displayed on the screen, the control unit 220 erases the cursor and performs highlighting. The image display unit 240 is instructed to do so. Thereby, the operation described in FIG. 5 of the first embodiment is realized.
Therefore, the user can perform the highlighting position and the cursor display / highlighting display switching by an intuitive operation such as grasping the grip unit 120 or moving the operation device 100.

Further, according to the second embodiment, when the highlighting is performed, the control unit 220 turns off the highlighting when the operation signal including the pressure detection value received from the controller device 100 is interrupted. The image display unit 240 is instructed to display the cursor 300 at the position. Thereby, the operation described in FIG. 5 of the first embodiment is realized.
For this reason, the user can turn off the highlight display by an operation opposite to that performed when the highlight display is performed. Therefore, the intuitive operation feeling similar to that when the user can turn on the highlight display can be exhibited.

Embodiment 3 FIG.
In the third embodiment of the present invention, an operation for optimally controlling the effect range of highlighting according to the content of the display image will be described. Note that the content of the display image here indicates whether the display image is a character image or a general image.
Since the configuration of the operation device 100 and the image display device 200 according to the third embodiment is the same as that of the first and second embodiments, description thereof will be omitted.

FIG. 9 explains the optimum range of the highlighting effect applied to the display image.
In the case of a character image as shown in FIG. 9A, when highlighting a character part, the shape and size of the highlight range can be adjusted so that the periphery of the character part is covered with the highlighting. desirable.
On the other hand, in the case of other general images as shown in FIG. 9B, it is not necessarily uniquely determined which part should be covered with highlighting.

  Therefore, the image display device 200 according to the third embodiment automatically detects that the display image is a character image, and further automatically adjusts the highlight display range around the character portion. Hereinafter, the details of the operation for this purpose will be described.

FIG. 10 shows how the character portion is scanned.
After configuring pixel data in the video memory 230, the control unit 220 acquires and scans the pixel data, and determines whether the image is a character image or a general image.

  FIG. 10A shows the scanning range. The scanning range may be arbitrary, and the entire image may be scanned, or only a predetermined area may be scanned. Scanning is performed in the horizontal direction of the image. The reason will be described later.

FIG. 10B shows the scanning result of FIG. When the image is a character image, when a character portion is scanned, a color pattern corresponding to the line color of the character appears a plurality of times on the scanning line. This is because the scanning is performed across the line portion of the character.
By utilizing this fact, when the same color pattern repeatedly appears a plurality of times when the image is scanned in the horizontal direction, it can be determined that the portion is a character image.

After the character portion of the image can be detected, the highlight display range is adjusted so that the highlight display is performed around the detected character portion. Specifically, a method of defining the highlight range so as to match the size of the character part detected in advance can be considered.
The control unit 220 determines the highlight display range and instructs the image display unit 240 to perform highlight display within the range.

Since the highlighting is performed around the position of the cursor 300, the highlighting position is forcibly moved to or above the character part until the cursor 300 does not exist on or around the character part. There is no need to let them.
The highlighting effect range may be adjusted to the range of the character part only when the cursor 300 exists on or around the character part.

Next, the reason why the pixel data is scanned in the horizontal direction will be described.
As described with reference to FIG. 8 of the second embodiment, the video memory 230 holds the pixel data in the order of the pixels obtained by scanning the image in the horizontal direction, so the pixel data is scanned in the horizontal direction of the image. This means that scanning is performed in the order of the physical addresses of the video memory 230.
In this regard, for example, when scanning in the vertical direction, the pixel data must be acquired while skipping the physical address of the video memory 230, so that the access speed becomes much slower than the forward access, and the image display device 200 May adversely affect performance.
Therefore, in the third embodiment, scanning of pixel data is performed in the horizontal direction of the image.

  It should be noted that, regarding the scanning of the image signal in the horizontal direction of the image, even if the image signal itself is directly scanned or the pixel data stored in the video memory 230 is replaced with this, it is finally obtained. Although the displayed result is the same, scanning the pixel data once configured in the video memory 230 is more convenient from the viewpoint of processing convenience.

As described above, according to the third embodiment, the control unit 220 scans the image signal (or pixel data acquired from the video memory 230) in the horizontal direction of the image, and a plurality of patterns of the same color are formed on the scanning line. If it appears repeatedly, the part is determined to be a character image.
In addition, when it is determined that the image is a character image and the periphery of the character portion is highlighted, the image display unit 240 is instructed to perform the highlight display in accordance with the range of the character portion.
This makes it possible to close up the character portion to be emphasized and make it stand out from the other portions, so that it can be effectively assisted when the user wants to appeal the character portion.

Further, according to the third embodiment, the video memory 230 holds the pixel data in the order of the pixels obtained by scanning the image in the horizontal direction.
Therefore, when the control unit 220 scans the pixel data, it is only necessary to read the pixel data in the order of the physical addresses of the video memory 230, so that the access speed to the pixel data is increased and the performance performance of the image display device 200 is improved. improves.

Embodiment 4 FIG.
In the third embodiment, it has been described that the character portion of the image is detected and the portion is highlighted. In the fourth embodiment of the present invention, an effective highlighting technique considering the viewpoint of the visual effect recognized by humans for emphasizing a character part will be described, and highlighting in a general image other than a character image will also be described. Is also explained.
In addition, since the structure of the operating device 100 and the image display apparatus 200 which concern on this Embodiment 4 is the same as that of Embodiment 1-3, description is abbreviate | omitted.

FIG. 11 explains the range of highlighting in the fourth embodiment. Hereinafter, description will be made with reference to FIG. 11 while comparing the case of each of the character image and the general image and in association with the pressure applied to the grip portion 120.
FIG. 11 (a) is a highlighted image of a character image, FIG. 11 (b) is a highlighted image of a general image, and the pressure (strength of a user's grip) applied to the grip unit 120 is displayed as a percentage between the two. .

When the pressure applied to the grip unit 120 increases for both the character image and the general image, an operation signal to that effect is output from the operation signal output unit 110 to the operation signal input unit 210, and the control unit 220 and the image display unit 240 operate. The range of highlighting is increased. When the pressure value reaches the maximum value, the highlight range is also maximized.
However, the shape of the highlight display is different in the points described below.

(A) Character image The character image is highlighted in a horizontally long flat ellipse. That is, when enlarging the highlight range, the horizontal length enlargement ratio is set larger than the vertical length enlargement ratio.
This is in view of the fact that character images are generally displayed using the image display apparatus 200 in many cases using characters written in the horizontal direction as in presentations.

  Therefore, by expanding the highlighting according to the direction in which the character is moving (= horizontal direction), the line of sight is directed in the horizontal direction even in human vision. Match. Thereby, the image display apparatus 200 aims to support the user so that the appeal points can be effectively emphasized.

Note that the vertical length of the ellipse is fixed and it is possible to enlarge it only in the horizontal direction. However, if such an enlargement method is used, only the horizontal direction seems to be extremely stretched for human vision. May give the impression that the central portion of the image is generally depressed.
Therefore, in the fourth embodiment, the emphasis display of the character image adopts a flat oval shape with a longer horizontal direction, and enlarges the width in the horizontal direction, but also enlarges it in the vertical direction at the same time. did.

(B) General Image On the other hand, it is not always uniquely determined which of the vertical direction and the horizontal direction is preferably enlarged for the highlighted display of the general image. Therefore, when emphasizing a general image, the aspect ratio of the ellipse is made to match the aspect ratio of the image.
Specifically, since the image display device 200 itself can acquire or preset the screen vertical / horizontal size of the projected image or the image vertical / horizontal size after optical / electrical correction, the aspect ratio and the aspect ratio of the highlight display can be set. Just match.

Further, when the image occupies only a part of the screen, for example, when displaying a vertically long image on a horizontally long screen, the edge of the image is acquired by scanning pixel data, and the aspect of the image is The ratio may be acquired in advance. In this example, the highlighted shape is also a vertically long ellipse.
When the image data input to the image display device 200 is an image file stored in a predetermined format (for example, when image data is supplied from a memory card), the image aspect is included in the image file. Since ratio information may be recorded, the aspect ratio of the image may be acquired in advance based on this information.

  In this way, by matching the aspect ratio of the highlight display with the aspect ratio of the image, the line of sight is likely to gather at the center of the highlight display for human vision, and the image portion to be appealed can be effectively highlighted.

Whether or not the image is a general image may be determined as, for example, all images that are not determined as character images by the method described in the third embodiment, or more positively. It may be determined whether or not is a general image.
For example, the pixel data acquired from the video memory 230 by the control unit 220 is scanned in the horizontal direction of the image to acquire a tendency of color change, and when the color changes slowly, it is determined as a general image. The method of doing is conceivable.
For example, an appropriate threshold value may be determined to determine how much the change amount is gradual, and it may be determined that the change is steep if the color change amount within a certain range of the image exceeds the threshold value.

  As described above, according to the fourth embodiment, when a character portion is highlighted, the character portion is effectively emphasized on human visual recognition since the highlight is displayed in a horizontally long flat ellipse shape. Can be displayed.

  Further, according to the fourth embodiment, when highlighting a general image, the aspect ratio of the highlight is matched with the aspect ratio of the image, so that the viewer's line of sight is guided to the center portion of the highlight and the effect is achieved. Highlighting can be performed.

Embodiment 5 FIG.
In Embodiments 1 to 4 described above, it has been described that the shape of the highlight display is an ellipse, but a display effect of blurring the peripheral portion of the ellipse may be further added.

The shape of the highlighting may be a rectangle other than an ellipse, for example, but if the highlighting gradually increases from the position of the cursor 300 at that time as the grip of the grip portion 120 is strengthened, the shape of the highlighting may be circular or The visual effect that the shape close to is gradually larger from the center point gives a stronger impression that the part is highlighted.
Therefore, in the description of the first to fourth embodiments, in consideration of the horizontally long shape of the character portion and the aspect ratio of the entire image, the highlighted shape is an ellipse that matches these shapes. is there.

Embodiment 6 FIG.
In the above first to fifth embodiments, it has been described that the operating device 100 outputs an operation signal corresponding to the pressure applied to the grip unit 120 and the acceleration applied to the operating device 100.
At this time, it is natural that the content of the operation signal must be interpretable by the operated device (in the above description, the image display device 200), but to what extent the content of the operation signal may be embodied. It is necessary to agree between the operating device 100 and the operated device.
Specifically, the following (1) and (2) are considered as examples.

(1) The controller device 100 outputs only the detection result of each sensor or button 140 being pressed as an operation signal. It is delegated to the operated device how to interpret the operation signal and execute the corresponding function.
(2) The operation device 100 converts the detection result of pressing each sensor or button 140 into a command format that can be interpreted by the operated device, and outputs an operation signal as a direct command signal for the operated device. The operated device executes a command represented by the received operation signal.

The case (1) is advantageous in that the specification of the operating device 100 can be easily generalized. However, a burden of interpreting the contents of the operation signal is generated on the operated device side.
In the case of (2) above, the instruction interpretation burden on the operated device is reduced, but the specifications of the operating device 100 are limited to those specific to the operated device.
Which method is selected is appropriately optimized in consideration of functions required for the operation device 100 and the operated device, versatility, and the like.

For example, if the operation device 100 accurately and simply notifies the acquired value of the sensor and adopts a method of adjusting the range of the effect including the determination threshold on the image display device 200 side, the improvement for each product is repeated. preferable.
On the other hand, by implementing the function of cutting the erroneous detection of the sensor and notifying only the appropriate signal on the operation device 100 side, the performance improvement of the sensor is reflected in the function without changing the image display device 200 side. can do.
As described above, it is preferable that the extent to which the function of each device is obtained is appropriately assigned according to the role of the device.

Embodiment 7 FIG.
The operation device 100 and the image display device 200 do not necessarily correspond to each other, and a plurality of the image display devices 200 may be operated by one operation device 100. On the contrary, a plurality of operation devices 100 may be combined with one image display device 200 for convenience when a plurality of users make a presentation.
For example, the operation device 100 and the image display device 200 can be manufactured separately, and one or a plurality of both can be combined after manufacturing to constitute an image display system.

1 is an external view of an operating device 100 according to Embodiment 1. FIG. 3 is an internal functional block diagram of the operating device 100. FIG. An operation for displaying the cursor 300 on the image display device 200 is shown. An operation for moving the cursor 300 is shown. The operation of highlighting the position of the cursor 300 is shown. 6 is a functional block diagram of an image display device 200 according to Embodiment 2. FIG. The layer configuration of the video memory 230 will be described. This is a description of the storage order of the pixel data held by the video memory 230. The optimum range of the highlighting effect to be applied to the display image will be described. This shows how the character portion is scanned. The highlight display range in the fourth embodiment will be described.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 100 Operation apparatus, 110 Operation signal output part, 120 Grip part, 130 Pressure sensor, 140 button, 150a-150b Locking part, 160 Acceleration sensor, 170 Signal circuit, 180 CPU, 200 Image display apparatus, 210 Operation signal input part, 220 CPU, 230 video memory, 240 image display unit, 250 image signal acquisition unit.

Claims (15)

A device for performing an operation input of an operated device,
An operation signal output unit for outputting an operation signal of the operated device;
A grip portion configured to apply pressure by gripping; and
A pressure sensor for detecting a pressure applied to the grip part;
With
The operation device, wherein the operation signal output unit outputs an operation signal corresponding to a detection value of the pressure sensor. With buttons configured to be pressed,
The operation device according to claim 1, wherein the operation signal output unit outputs an operation signal to that effect when the button is pressed. An acceleration sensor for detecting acceleration applied to the operating device;
The operation device according to claim 1, wherein the operation signal output unit outputs an operation signal corresponding to a detection value of the acceleration sensor. The operating device according to any one of claims 1 to 3, wherein a locking portion for preventing slipping is provided on at least one of the upper and lower sides of the grip portion. An image signal acquisition unit for acquiring an image signal;
An image display unit for displaying an image based on the image signal acquired by the image signal acquisition unit;
A control unit for controlling the operation of the image display unit;
An operation signal input unit that receives an operation signal and outputs the operation signal to the control unit;
With
The operation signal input unit is
Receiving the operation signal including the pressure detection value and outputting it to the control unit;
The controller is
Instructing the image display unit to perform highlighting that defines an effect range according to the magnitude of the pressure detection value,
The image display unit
An image display device characterized in that the image is displayed by superimposing an emphasis display effect on the image signal based on the instruction. The controller is
Scanning the image signal in the horizontal direction of the image to obtain a tendency of color change of the image signal,
When the same color portion repeatedly appears on the scanning line, it is determined that the image is a character image,
When instructing the image display unit to perform the highlighting after determining that the image is a character image,
The image display apparatus according to claim 5, wherein an instruction is given to perform highlighting in accordance with a range of a character portion of the image signal. The controller is
When it is determined that the image signal is an image signal for displaying characters,
When instructing the image display unit to expand the effect range of the highlight according to the pressure detection value,
The image display device according to claim 6, wherein a horizontal enlargement amount of the highlighted display is larger than a vertical enlargement amount. A video memory for holding pixel data corresponding to each pixel of the image display unit;
The video memory is
Holding the pixel data in the order obtained by scanning the image signal in the horizontal direction of the image;
The controller is
When obtaining the tendency of color change of the image signal,
The image display device according to claim 6 or 7, wherein the video memory is sequentially accessed to scan pixel data corresponding to the image signal. The controller is
When it is determined that the image signal is not an image signal for displaying characters,
The image display device according to any one of claims 6 to 8, wherein an aspect ratio of the highlight display is matched with an aspect ratio of the image signal. The operation signal input unit is
Receiving the operation signal indicating that the cursor should be displayed or erased, and outputting it to the control unit;
The controller is
Instructing the image display unit to display or erase the cursor based on the operation signal,
The image display unit
The image display device according to any one of claims 5 to 9, wherein a cursor is superimposed or erased on the image signal based on the instruction to display the image. The operation signal input unit is
Receiving the operation signal including the acceleration detection value and outputting it to the control unit;
The controller is
Instructing the image display unit to move the cursor in the direction of acceleration represented by the acceleration detection value;
The image display device according to claim 10, wherein the image display unit displays the image in which the cursor is moved based on the instruction. The controller is
In the case where the image display unit displays the image by superimposing a cursor on the image signal,
When receiving the operation signal including the pressure detection value from the operation signal input unit,
Instructing the image display unit to erase the cursor and perform the highlighting,
The image display unit
The image display device according to claim 10 or 11, wherein the image is displayed by superimposing the highlighting by deleting the cursor based on the instruction. The controller is
In the case where the image display unit performs the highlighting,
When the input of the operation signal including the pressure detection value is interrupted,
Instructing the image display unit to release the highlighting and display the cursor at the original position,
The image display unit
13. The image display device according to claim 12, wherein the highlighting is canceled based on the instruction, and the image in which the cursor is superimposed on the original position is displayed. The image display unit
The image display device according to any one of claims 5 to 13, wherein the image is displayed by superimposing an elliptical highlighting effect on the image signal. An operating device according to any one of claims 1 to 4,
An image display device according to any one of claims 5 to 14,
Have
The operation signal output unit included in the operation device is:
Outputting the operation signal to the image display device;
The operation signal input unit included in the image display device receives the operation signal.

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