JPH0744143A - Information processor - Google Patents

Abstract

PURPOSE:To eliminate the need for operation in enlargement/reduction mode and to perform enlargement and reduction without interrupting editing operation by measuring the distance between an image display part and a person who operates it, and varying an enlargement rate according to the distance and making a display on a screen. CONSTITUTION:This processor is equipped with a measuring circuit which measures the distance between the eye of the operator and the image display part (CRT) 10 and a display control means (CPU) which varies the enlargement rate of an image on the CRT 10 in response to the output of the measuring circuit. Then when the faces approaches the CRT 10, the measuring circuit calculates the distance and sends information on it to the CPU. The CPU determines the enlargement rate according to an expression or table which is stored in the main memory and shows the correspondence between the distance and enlargement rate. Once the enlargement rate is determined, enlargement is performed around the position of a mouse and the enlarged image is displayed on the CRT 10. Therefore, the enlargement rate of the screen can be varied without interrupting the editing operation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information processing apparatus having an image display section.

[0002]

[Prior art]

(1) In a conventional information processing apparatus, when enlarging a display image, a command, an icon, a menu or the like is selected to perform an enlarging operation. In this case, the screen enlargement ratio is fixed, or the enlargement ratio is manually set.

(2) Further, the display unit in the conventional information processing apparatus is generally built in the main body or simply placed at a place outside the main body.

(3) Further, as a screen enlarging method in the conventional information processing apparatus, as shown in FIG. 21, a magnified image 43 is displayed on the full display screen 41, and FIG.
As shown in FIG. 2, a frame 44 indicating an area to be enlarged in the original image 42 is displayed, and the enlarged image 43 is displayed in a window 45 different from the original image 42.

[0005]

[Problems to be Solved by the Invention]

(1) However, as described in item (1) of the prior art, when it is desired to perform enlargement / reduction while editing a figure or the like, the edit mode is moved to the enlargement mode, and the edit mode is returned. I had to leave the editing process once.

Therefore, a first object of the present invention is to provide an information processing apparatus capable of changing the enlargement ratio of the screen without interrupting the editing work.

(2) When operating the information processing apparatus as described in the section (2) of the prior art, it is often the case that the face is brought close to the display unit unconsciously. In particular, when a CRT or the like is operated at a short distance for a long time, it is bad for the eyes, and in consideration of radiation or the like, there is a possibility that the human body may be adversely affected in addition to the eyes.

Therefore, a second object of the present invention is to provide an information processing apparatus configured to prevent the face from coming too close to the display section.

(3) FIG. 21 described in the section (3) of the prior art.
With this method, it is difficult to move the magnified area to the desired place while it is magnified, and it requires operations such as returning to the original size and then expanding again. Further, the method of FIG. 22 has a drawback that it is easy to move the enlarged area, but a large amount of screen space is required to display the enlarged image in another window.

Therefore, a third object of the present invention is to provide an information processing device which does not require a lot of screen space for displaying an enlarged image and is capable of moving the enlarged region easily. It is in.

[0011]

[Means for Solving the Problems]

(1) In order to achieve the above-described first object, the present invention provides, in an information processing device having an image display unit, a distance measuring unit that measures a distance between an operator's eyes and the image display unit. And display control means for changing and displaying the magnification of the image in the image display section in response to the measurement output of the distance measuring means.

(2) In order to achieve the above-mentioned second object, the present invention is, in an information processing apparatus having an image display section, a distance for measuring a distance between an operator's eyes and the image display section. It comprises a measuring means and a drive control means for changing the distance between the image display section and the eyes of the operator in response to the measurement output of the distance measuring means.

(3) In order to achieve the above-mentioned third object, the present invention is an information processing apparatus having a function of enlarging and displaying a part of an image displayed on a screen, and an enlarged image within the screen. The original area A and the image of the area A are magnified B
To display a frame D for displaying the image C enlarged in 1.
And a second control means for setting the coordinates of the center point of the area A and the coordinates of the center point of the frame D to the same or a predetermined positional relationship.

[0014]

[Action]

(1) In the present invention, in an information processing device having a display unit, the distance between the operator's eyes and the display unit is measured, and when the distance between the eyes and the display unit changes, the enlargement ratio changes accordingly. And is displayed on the screen. Therefore, an image with a large enlargement ratio is displayed when the eyes approach the display unit, and an image with a small enlargement ratio is displayed when the eyes are distant from the display unit, so that it is possible to quickly obtain a wide display mode.

(2) According to the present invention, in an information processing device having a display unit, the distance between the operator's eyes and the display unit is measured, and when the distance between the eyes and the display unit changes, the display unit is changed accordingly. Will also move automatically.

As described above, the distance between the eyes and the display unit is made constant by driving the display unit so that the display unit is moved away from the eyes when the eyes approach the display unit, and conversely when the eyes move away from the eyes. Can be kept.

(3) An information processing apparatus according to the present invention is an information processing apparatus having a function of enlarging and displaying a part of an image displayed on a screen, and an original area A to be enlarged in the screen.
And a frame D for displaying an image C obtained by enlarging the image in this area at an enlargement ratio B, and the coordinates of the center point of the area A and the frame D
The control is performed so that the coordinates of the center point of are the same or have a certain positional relationship. Also, by changing the enlargement ratio B and moving the frame D, the area A
Can be moved, when a point in the frame D is designated, the coordinates are converted into the corresponding coordinates in the area A, a plurality of the frames D are displayed, and the size and shape of the frame D can be changed. It is possible.

As described above, in the information processing apparatus according to the present invention, since the coordinates of the center point of the area A and the coordinates of the center point of the frame D are the same, the enlarged image C can be displayed over the area A. Yes, and therefore does not require much screen space.
Further, since the area A to be enlarged can be moved by moving the frame D, it becomes easy to move the enlarged area to a desired place in the enlarged state. Further, by designating one point of the image C, it is possible to designate a point in the original area to be enlarged. Further, it is possible to display a plurality of frames D and change the size and shape of the frame D.

[0019]

EXAMPLES Hereinafter, each example of the present invention will be described in detail.

Embodiment 1 FIG. 1 is a schematic diagram of an information processing apparatus to which the present invention is applied. Here, 1 is a CPU that controls this apparatus. A display device 2 uses a CRT. Reference numeral 3 is a bus for connecting each device, and 4 is a distance measuring device for measuring a distance between the display device 2 and an operator. Reference numeral 5 denotes a pointing device for inputting coordinates on the screen, which is a mouse here. 6 is a main memory.

FIG. 2 is a flow chart showing the operation of this embodiment, and the control procedure is stored in the memory (not shown) in the CPU 1.

FIG. 3 shows a schematic view of the distance measuring device 4.
Here, 7 is an ultrasonic transmitter, 8 is an ultrasonic receiver, and 9 is a measuring circuit for calculating the distance. The transmitter 7 and the receiver 8 are shown in FIG.
It is attached to the upper part of the CRT 10 as shown in FIG.

Here, ultrasonic waves are used to measure the distance. First, a signal for transmitting ultrasonic waves is sent from the distance measuring circuit 9 to the transmitter 7, and the transmitter 7 emits ultrasonic waves according to the signal. The transmitted ultrasonic waves hit the face of the person who operates the device and are reflected. The reflected ultrasonic wave is received by the receiver 8
Is received, and the received signal is sent to the measurement circuit 9.

The measuring circuit 9 measures the time from the transmission of the ultrasonic wave to its reflection and reception, and calculates the distance to the reflected object (S1).

When the face position approaches the CRT 10 included in the display device 2 as shown in FIG. 4, the measuring circuit 9 calculates the distance and the information is sent to the CPU 1. CPU
1 determines an enlargement ratio according to a formula or a table showing the correspondence between the distance and the enlargement ratio stored in the main memory 6 (S2). When the enlargement ratio is determined, enlargement is performed centering on a certain position of the mouse, and an enlarged image is displayed on the CRT 10 (S3).

Second Embodiment Next, a second embodiment will be described. In this embodiment, a light emitting element and a light receiving element are used as means for measuring the distance. As shown in FIG. 5, a light emitting element and a light receiving element are arranged on both sides of the CRT 10 and the distance between the face and the CRT 10 is measured. That is, a plurality of light emitting elements are attached to one supporting member 11, and a light receiving element is attached to the other supporting member 12 so as to face the light emitting elements. Here, 13 is a light emitting element, and 14 is a light receiving element.

The light emitted from the light emitting element 13 is detected by each of the light receiving elements 14 facing it, but if there is an obstacle between them, the light does not reach the light receiving element. That is, it can be considered that the face is located at the element where no light is detected, and the distance between the face and the CRT 10 can be obtained.
As described above, the enlarged image is displayed in the same manner as in the first embodiment at the enlargement ratio according to the obtained distance.

Third Embodiment Next, a third embodiment will be described. In this embodiment, as a means for measuring the distance, as shown in FIG. 6, a string-like means is used to measure the distance by directly connecting the CRT 10 to the head. Here, 15 is a string for connecting the CRT to the head, 16 is a band for fixing the string to the head, and 17 is a reel for winding the string.

The reel 17 is always in a state of pulling the string 15, and when the head approaches the CRT 10 and the string 15 becomes slack, the reel 17 rotates to wind up the slacked part of the string 15. . That is, the head is CR
When approaching T10, the reel 17 has a string 1
It rotates in order to wind up 5, and the distance between the CRT and the face can be measured by the degree of this rotation. As described above, the enlarged image is displayed in the same manner as in the first embodiment at the enlargement ratio according to the obtained distance.

Fourth Embodiment Next, a fourth embodiment will be described. In the present embodiment, as shown in FIG. 7, a person is photographed by a camera 18 attached to the upper part of the CRT 10 and the distance is measured by image-processing the person.

FIG. 8 is an image obtained by extracting the contour of the image taken by the camera 18. Here, (a) is an image when the face and the CRT are at an appropriate distance, and (b) is an image when they are close to each other. In this way, when the distance is long, the contour becomes small, and when the distance is close, the contour becomes large. Therefore, the distance can be known by measuring the distance data with respect to the size of the contour in advance and performing image processing to measure the size of the contour. As described above, the enlarged image is displayed in the same manner as in the first embodiment at the enlargement ratio according to the obtained distance.

Fifth Embodiment FIG. 9 is a schematic diagram of an information processing apparatus according to the fifth embodiment. Here, 7 is an ultrasonic transmitter and 8 is an ultrasonic receiver. Reference numeral 9 is a measuring circuit for calculating the distance. Again 2
Reference numeral 0 is a motor for driving the display unit, and 21 is a circuit for controlling this motor.

FIG. 10 is a flow chart showing the operation of this embodiment, and the control procedure is stored in the memory (not shown) in the CPU 1 (FIG. 1).

A signal for transmitting ultrasonic waves is sent from the distance measuring circuit 9 to the transmitter 7, and the transmitter 7 emits ultrasonic waves in accordance with the signal. The transmitted ultrasonic waves hit the face of the person who operates the device and are reflected. The reflected ultrasonic wave is received by the receiver 8
Is received, and the received signal is sent to the distance measuring circuit 9. The distance measuring circuit 9 measures the time from the transmission of the ultrasonic wave to the reflection and reception of the ultrasonic wave, and calculates the distance to the reflected object (S5).

As shown in FIG. 11, the position of the face is CRT10.
When the measured distance becomes shorter than the ideal value set in advance, the control circuit 21 causes the CRT 10 to
Then, the drive amount of the CRT 10 is calculated in order to maintain an appropriate distance between the face and the face, and the motor 20 is driven to move the CRT 10 away (S8).

After that, when the face position returns to its original position and the measured distance becomes longer than the set value, the CRT 10
The motor 10 is driven so as to approach (S7).

FIG. 12 shows a mechanism for moving the CRT 10. That is, the gear 24 is provided in the moving table 23 of the CRT, and the CRT 10 is moved by rotating the gear 24 by the motor 20 (FIG. 9).

Sixth Embodiment Next, a sixth embodiment will be described. In this embodiment, a light emitting element and a light receiving element are used as means for measuring the distance.

In the sixth embodiment, as shown in FIG.
A light emitting element and a light receiving element are arranged on both sides of the RT10 so that the face and C
Measure the RT distance. A plurality of light emitting elements are attached to one supporting member 11, and a light receiving element is attached to the other supporting member 12 so as to face the light emitting elements. Reference numeral 13 is a light emitting element, and 14 is a light receiving element.

The light emitted from the light emitting element 13 is detected by the respective light receiving elements 14 facing it, but if there is an obstacle between them, the light does not reach the light receiving element. That is, it can be considered that the face exists at the element where no light is detected, and the distance between the face and the CRT 10 can be obtained.
As described above, CR is performed in the same manner as the fifth embodiment depending on the calculated distance.
Move T10.

Seventh Embodiment Next, a seventh embodiment will be described. In the present embodiment, as a means for measuring the distance, as shown in FIG. 14, a cord-shaped member is directly connected to the CRT 10 to measure the distance. Here, 15 is a string for connecting the CRT 10 to the head, 16 is a band for fixing the string to the head,
Reference numeral 17 is a reel for winding the string. This reel 17 is always in a state where the string is pulled, and the head is CRT1.
When the string approaches 0 and the string hangs down, the reel 17 rotates to wind up the hung string. That is, when the head approaches the CRT 10, the reel 17 rotates to wind up the string as much as the head approaches.
The distance between the CRT 10 and the face can be measured by the degree of this rotation. As described above, the CRT 10 is moved according to the obtained distance, as in the fifth embodiment.

Embodiment 8 Next, an eighth embodiment will be described. In the present embodiment, as shown in FIG. 15, a camera 18 attached to the upper portion of the CRT 10 takes a picture of a person, and the image is processed to measure the distance.

FIG. 16 shows an image obtained by extracting the contour of the image taken by the camera 18 shown in FIG. Here, (a) is an image when the face and the CRT are at an appropriate distance, and (b) is an image when they are close to each other. In this way, when the distance is long, the contour becomes small, and when the distance is close, the contour becomes large. Therefore, if the distance data with respect to the size of the contour is measured in advance, the distance can be known by performing image processing and measuring the size of the contour. As described above, the CRT 10 is moved according to the obtained distance, as in the fifth embodiment.

Ninth Embodiment Next, a ninth embodiment will be described.

In the eighth embodiment described above, the camera 1
The person was photographed at 8, and the image was processed to measure the distance. In this case, not only the distance but also the information on the position of the head can be obtained. For example, if the person watching CRT10 is a CRT
When 10 is not viewed from the front, an image shifted vertically or horizontally is obtained as shown in FIGS. 17 and 18.

When the head is displaced to the left or right of the center of the CRT, an image as shown in FIG. 17 is obtained, and when it is vertically displaced, an image as shown in FIG. 18 is obtained. In such a case, the center of the face is detected from the image, the amount of deviation is measured, and the orientation of the CRT is changed so as to eliminate this deviation.

The driving mechanism of such a CRT is shown in FIG.
9 shows. Here, 29 is a gear that is driven when moving the CRT 10 back and forth, 30 is a gear that is driven when the orientation of the CRT 10 is changed to the left and right, and 31 is a gear that is driven when changing the orientation of the CRT 10 up and down. Therefore, FIG.
When the center of the face of the person is displaced to the left and right as described above, the gear 30 is driven. When the center of the human face is vertically displaced as shown in FIG. 18, the gear 31 is driven.

In this way, by processing the image obtained from the camera 18, measuring the distance between the CRT 10 and the face, and the vertical / horizontal deviations, and controlling each of them to achieve an ideal state. The distance between the face and the CRT 10 can be kept so as not to be too close to each other, and the CRT 10 can always be controlled so as to face directly in front of the face.

Tenth Embodiment Next, a tenth embodiment will be described.

FIG. 20 is a flow chart showing the operation of the present invention. FIG. 23 shows a schematic diagram of this device, and 46 is a CPU for controlling this device, and the control procedure shown in FIG. 20 is stored in an internal ROM. Reference numeral 47 is a bus for connecting each device, 48 is a pointing device for inputting coordinates on the screen, 49 is a display device, and 50 is a main memory. In the main memory 50, information on the area O to be enlarged and the coordinates O (x _o , y _o ) of the center point O of the display frame and the enlargement ratio B are stored.

FIG. 24 shows an icon menu displayed on the screen. When the magnifying glass icon 51 is selected by the pointing device 48 (here, it is a mouse), the processing by this apparatus is started.

FIG. 25 shows a magnifying glass type display frame for designating a place to be enlarged and for displaying the enlarged image.
Here, 52 is a frame for displaying the enlarged image, and the enlarged image is displayed in the area 53. Reference numeral 54 represents a handle of a magnifying glass, and by operating this portion with a mouse, the enlargement ratio is changed or the enlargement area is moved.

FIG. 26 shows a state in which the image is enlarged in this embodiment, and shows the magnifying glass type display frame shown in FIG. 25 and the enlarged image.

The operation of this embodiment will be described below with reference to the flowchart of FIG. Here, in an information processing apparatus that handles graphics such as CAD, it is assumed that when an image displayed on the screen is edited, it is desired to enlarge and display the image.

First, the process is started by selecting the magnifying glass icon S1 with the mouse. As shown in FIG. 26, the display image area 55 exists in the main memory. Reference numeral 56 denotes an area to be enlarged, and an image 59 obtained by enlarging this image at the enlargement ratio B is developed in the development area 58.

Next, this enlarged image is used as the original display image area 5
5, the image 57 of the part hidden by the magnifying glass frame is saved in the save area 60 before that. By transferring the display image information thus created to the display device, an image as shown in FIG. 27 can be displayed (S11). this is,
It looks as if it is magnified using a magnifying glass.

In the following operation, the enlargement ratio is changed and the display frame is moved using two buttons. Here, the left and right buttons of the mouse are used.

Next, when the mouse is placed on the handle 54 of the magnifying glass and the left button is clicked (S12), the value of the enlargement ratio B stored in the main memory is increased, and the image information of the display image area is accordingly increased. Is rewritten and an image with an increased magnification is displayed in the display area 53 (S13). If it is the right button that is clicked (S14), the value of the enlargement ratio B decreases, and the image with the reduced enlargement ratio is displayed in the display area 5
3 is displayed (S15).

Further, when the mouse is placed on the handle 54 and the left button is kept pressed (S16), the magnifying glass type frame 52 is in the moving mode and the coordinates of the center point O of the frame are moved by moving the mouse. The value of (X _O , Y _O ) is updated, the magnifying glass frame is moved, and at the same time, the area to be enlarged is also moved.
By reflecting the coordinate change of the point O on the display even during movement, it is possible to display a continuously changing magnified image (S1).
7).

Here, when the button is released, the movement mode is exited (S18).

FIG. 28 shows the relationship between the enlarged area 56 and the area 62 in which the enlarged image is displayed. The center point O of each area is the same. Here, the point P is an arbitrary point in the enlarged image display area, and the point Q is a corresponding point on the original image area to be enlarged.

When the mouse is brought into the frame of the magnifying glass and one point P (X _P , Y _P ) in the enlarged image is designated (S19), the coordinate point Q (X
_The coordinates are converted into _Q , Y _Q ) (S20). This allows
The magnified image in the frame of the magnifying glass can also be edited with the mouse.

The coordinate conversion from the coordinates of the point P to the coordinates of the point Q may be performed as shown in the following equation.

[0064]

[Equation 1]

If the mouse is placed on the handle 54 of the magnifying glass and the left button is clicked twice in succession (S21).
The display of the magnifying glass type frame is stopped, and the enlargement processing ends.

Eleventh Embodiment Next, an eleventh embodiment will be described.

In the tenth embodiment, the center point of the enlarged area and the center point of the display area have the same coordinates, and the enlarged area is smaller than the display area. There is a problem that the area around is hidden by the enlarged image and cannot be seen.

Therefore, in the present embodiment, the center point O (X _O , Y _O ) of the enlarged area and the center point R (X _R , Y of the display area).
This problem is solved by shifting _R ) as shown in FIG. Here, the coordinates of the point Q (X _Q , Y _Q ) are expressed by the formulas shown below.

[0069]

[Equation 2]

As a result, the image is enlarged as shown in FIG. Here, 56 has shown the area | region enlarged. In Examples does not move the region 44 to be expanded by moving the frame 45 in the conventional art shown in FIG. 22, in this embodiment by moving the frame 52, the region 56 to be expanded to move 12 will now be described a twelfth embodiment.

In the tenth embodiment, the change of the enlargement ratio is made stepwise by the two buttons.
On the other hand, in this embodiment, as means for changing the enlargement ratio, as shown in FIG.
Display a slide-type menu as shown in 1 on the screen,
By operating this, it is possible to change the enlargement ratio continuously.

In FIG. 31, 63 indicates a knob, and 64 indicates a groove in which the knob 63 moves. When the magnifying glass icon is displayed on the screen and you want to change the enlargement ratio, move the mouse to the position of knob 63, and move the mouse back and forth with the left button pressed. It moves up and down. The CPU receives this information, changes the enlargement ratio B, and reflects the information to display an enlarged image, whereby the enlargement ratio can be continuously changed, and fine adjustment can be performed.

Thirteenth Embodiment Next, a thirteenth embodiment will be described.

In the tenth embodiment, only one magnifying glass enlargement frame 52 can be displayed. On the other hand, in the present embodiment, a plurality of enlargement frames are displayed and the respective enlargement ratios and central coordinate values are separately held, so that it is possible to individually change the enlargement ratio and move the frames.

FIG. 32 is a flow chart showing the operation of this embodiment. Since the contents of this figure are similar to those of FIG. 20, description thereof will be omitted.

FIG. 33 shows how two images are magnified by two magnifying glass magnifying frames in this embodiment.
Is a second enlargement frame, 65 is an image enlarged by the second enlargement frame, and 67 is an image enlarged by the second enlargement frame.

In this embodiment, when changing or moving the enlargement ratio with the mouse is selected, it is determined which magnifying glass frame the mouse is in, and the magnifying glass or the center point of the magnifying glass frame in which the mouse is present is determined. By individually updating the coordinates, each magnifying glass frame can be operated individually.

With the enlargement methods up to now, it was not possible to see the enlargement of two images at a distance from each other at the same time, but according to the present embodiment, the enlargement of two images at a little distance as shown in FIG. 33 is performed. It is possible to view images at the same time and with different magnification rates.

Embodiment 14 Next, a fourteenth embodiment will be described.

In the tenth embodiment, as shown in FIG. 26, a display image information expansion area is displayed on the main memory.
The expansion image information expansion area and the image information saving area are provided, and the expansion image is superposed on the original image by software. On the other hand, in the present embodiment, this is done by hardware.

FIG. 34 shows a schematic view of the apparatus according to this embodiment. Here, 68 is a display control device for controlling the superposition of images.

As shown in FIG. 35, original image information a, enlarged image b, and image c for masking a portion where images a and b overlap each other are stored in the main memory, and these are transferred to the display controller 68. By passing through the circuit shown in FIG. 36 existing there, the superimposed image information is output to d. Here, if the en input is Hi, the superimposed image information is output. On the other hand, if the en input is Low, the original image information is output as it is.

As described above, by controlling the display of the enlarged image by the hardware, it is possible to perform the processing faster than that by the software.

Fifteenth Embodiment Next, a fifteenth embodiment will be described.

In the tenth embodiment, the size of the magnifying glass frame is constant, but in this embodiment, as shown in FIG. 37, the size of the magnifying glass frame can be freely changed. The size of the frame changes when the mouse cursor 71 is placed on the frame portion 52 of the magnifying glass, the left button is pressed, and the mouse is moved with the left button pressed.

Sixteenth Embodiment Finally, a sixteenth embodiment will be described.

In the tenth embodiment, the magnifying glass frame has a circular shape, but in this embodiment, as shown in FIG. 38, the magnifying glass frame 7 has a circular shape.
The shape of 1 is square, not circular. By making it possible to switch the shape of the frame, the shape of the frame can be selected according to the figure to be enlarged, and the screen area can be used efficiently.

[0088]

By implementing the present invention, the effects listed below can be obtained.

(1) As described above, according to the present invention, the distance between the image display unit and the person who operates it is measured,
By changing the enlargement ratio according to the distance and displaying it on the screen, it is not necessary to enter the enlargement / reduction mode, and it is possible to perform enlargement / reduction without interrupting the editing work.

Further, the action of enlarging the face closer to the face and reducing the face further away is the same as the action of the person bringing the face closer to the subject when he / she wants to see the object better. It is possible to realize an information processing device that can be operated and is very user-friendly.

(2) Further, by measuring the distance between the image display unit and the person who operates it and moving the image display unit according to the distance, it is possible to prevent the face from coming too close to the display device. It is possible to suppress the adverse effect on the eyes.

(3) According to the present invention, when it is desired to move the enlarged image area, it is possible to easily move to the desired place in the enlarged state. Further, since the enlarged image is displayed at the same position as the image to be enlarged, the screen space is small.

Further, the fact that the image directly below the enlargement frame is enlarged is the same as the state where the image is enlarged with the magnifying glass, and the operation method is such that the region to be enlarged is moved by moving the display frame of the enlarged image. Can perform an enlarging operation with the image actually seen with a magnifying glass, and thus it is possible to realize a user-friendly information processing device whose operation is very easy to understand.

[Brief description of drawings]

FIG. 1 is a schematic diagram of an information processing apparatus to which the present invention has been applied.

FIG. 2 is a flow chart showing the operation of one embodiment of the present invention.

FIG. 3 is a schematic view of a distance measuring device.

FIG. 4 is a diagram showing an apparatus according to a first embodiment of the present invention.

FIG. 5 is a diagram showing an apparatus according to a second embodiment of the present invention.

FIG. 6 is a diagram showing an apparatus according to a third embodiment of the present invention.

FIG. 7 is a diagram showing an apparatus according to a fourth exemplary embodiment of the present invention.

8 is an image obtained by extracting the contour of the image taken by the camera shown in FIG. 7, where (a) is an image when the face and the CRT are at an appropriate distance, and (b) is an image when the image is approaching. is there.

FIG. 9 is a schematic diagram of another information processing apparatus to which the present invention is applied.

FIG. 10 is a flowchart showing the operation of another embodiment of the present invention.

FIG. 11 is a diagram illustrating an operation of the device according to the fifth exemplary embodiment of the present invention.

FIG. 12 is a view showing a mechanism for moving a CRT.

FIG. 13 is a diagram showing an apparatus according to a sixth embodiment of the present invention.

FIG. 14 is a diagram showing an apparatus according to a seventh embodiment of the present invention.

FIG. 15 is a diagram showing an apparatus according to an eighth embodiment of the present invention.

FIG. 16 is an image in which contours are extracted from an image taken by a camera, (a) is an image when a face and a CRT are at an appropriate distance, (b) is
FIG. 6 is a diagram showing an image when approaching.

FIG. 17 is a diagram showing that the outline of a person in an image taken by a camera is shifted to the left and right in the eighth embodiment of the present invention.

FIG. 18 is a diagram showing that the outline of a person in an image taken by a camera is vertically displaced in the eighth embodiment of the present invention.

FIG. 19 is a diagram showing a driving mechanism of a CRT.

FIG. 20 is a flowchart showing the operation of the 10th embodiment.

FIG. 21 is a diagram showing a conventional enlarging method for displaying an enlarged image on the entire display screen.

FIG. 22 is a diagram showing a conventional enlarging method for displaying an enlarged image in a window different from the original image.

FIG. 23 is a schematic diagram of another information processing apparatus to which the present invention has been applied.

FIG. 24 is a diagram showing an icon menu displayed on the screen.

FIG. 25 is a diagram showing a magnifying glass type display frame for designating a place to be enlarged and displaying an enlarged image.

FIG. 26 is a diagram showing a display image information expansion area, an enlarged image information expansion area, and an image information save area existing on the main memory.

FIG. 27 is a diagram showing a state of enlarging an image in the tenth embodiment.

FIG. 28 is a diagram showing a positional relationship between an enlarged area and an area in which an enlarged image is displayed.

FIG. 29 is an enlarged area in the eleventh embodiment;
It is a figure which shows the positional relationship of the area | region where an enlarged image is displayed.

FIG. 30 is a diagram showing a state of enlarging an image in the eleventh embodiment.

FIG. 31 is a diagram showing a slide-type menu for changing the enlargement ratio in the twelfth embodiment.

FIG. 32 is a flowchart showing the operation of the 13th embodiment.

FIG. 33 is a diagram showing how two images are enlarged by two magnifying glass enlargement frames in the thirteenth embodiment.

FIG. 34 is a schematic view of the apparatus according to the fourteenth embodiment.

FIG. 35 is a diagram showing image information developed on the main memory in the fourteenth embodiment.

FIG. 36 is a diagram showing a circuit for controlling superposition of image information existing in the display control device of the fourteenth embodiment.

FIG. 37 is a diagram showing how the frame size is changed in the fifteenth embodiment.

FIG. 38 is a diagram in which the frame has a rectangular shape in the sixteenth embodiment.

[Explanation of symbols]

 1 CPU 2 Display Device 3 Bus 4 Distance Measuring Device 5 Pointing Device 6 Main Memory 7 Ultrasonic Transmitter 8 Ultrasonic Receiver 9 Measuring Circuit

Claims (8)

[Claims] 1. An information processing apparatus having an image display unit, wherein distance measuring means for measuring a distance between an operator's eyes and the image display portion; An information processing apparatus comprising: a display control unit that displays an image by changing an enlargement ratio of an image in an image display unit. 2. An information processing apparatus having an image display section, wherein distance measuring means for measuring a distance between an operator's eyes and said image display section, and said distance measuring means in response to a measurement output of said distance measuring means, An information processing apparatus comprising: a drive control unit that changes a distance between an image display unit and the operator's eyes. 3. An information processing apparatus having a function of enlarging and displaying a part of an image displayed on a screen, wherein an original area A to be enlarged in the screen and an image of the area A are enlarged at an enlargement ratio B. First control means for displaying a frame D for displaying the enlarged image C, and second for setting the coordinates of the center point of the area A and the coordinates of the center point of the frame D in the same or predetermined positional relationship. An information processing device, comprising: 4. The information processing apparatus according to claim 3, wherein the first control unit is capable of changing the enlargement ratio B. 5. The information processing apparatus according to claim 3, wherein the area A is moved by moving the frame D. 6. The information processing apparatus according to claim 3, further comprising means for converting one point in the frame D into coordinates corresponding to the point in the area A. 7. The information processing apparatus according to claim 1, wherein a plurality of the frames D are displayed by the first control means. 8. The information processing apparatus according to claim 1, wherein the first control means can change the size and shape of the frame D.