JPH06152876A - Picture input device - Google Patents

Abstract

PURPOSE:To attain high definition picture input by displaying number of longitudinal and lateral picture elements of an input area when an area setting means sets a desired input area so as to set the resolution with number of the picture elements thereby improving the degree of freedom of the resolution setting. CONSTITUTION:A first an auxiliary input section 1a reads a picture and is stored in an auxiliary input buffer 3a and displayed on a display device 2 via a recognition data processing section 3b. When the user uses a mouse or the like to designate an area on the display device 2, a display data processing section 3c accommodates the designated area data in an area data buffer 3d. When no resizing is implemented, the data are displayed on the display device 2 by normal resolution. When resizing is implemented, the display for resolution setting processing use including display of number of longitudinal and lateral picture elements of the area designated by a resolution setting processing section 3e is implemented. The user designates the resolution according to the display by number of picture elements.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image input device for reading and inputting an image such as a document or a photograph.

[0002]

2. Description of the Related Art In recent years, an image input device has been developed in which an image such as a document or a photograph is optically scanned and read by a scanner, image information is converted into an electrical signal and input to a computer or the like.

Many of such conventional image input devices are configured to display a memory size (byte) as a required memory usage amount when inputting a read image. Also, when inputting an image, first perform a prescan with a scanner to obtain a prescan image,
In many cases, an area is designated using this prescan image and a prescan method of selecting an input portion is adopted to reduce the memory usage amount.

Further, the vertical and horizontal zoom ratios (%) of the image whose area is designated as described above are set, and an image in which the vertical and horizontal magnifications are enlarged and reduced to change the vertical and horizontal ratios is input, or There is also known an image input device configured to be capable of inputting an enlarged image and a reduced image of.

[0005]

In the above-mentioned conventional image input apparatus, since the memory usage amount is displayed in byte units when an image is input, the memory usage amount can be grasped, but the number of pixels is concerned. There is a problem that the resolution cannot be grasped because information cannot be obtained. Further, there is also a problem that the enlargement and reduction of the input image are set by the zoom ratio, so that the setting is rough, and the input cannot be performed at an arbitrary resolution.

The present invention has been made in response to such a conventional situation. The resolution can be easily grasped and the degree of freedom in setting the resolution is high. Therefore, more accurate image input can be performed as compared with the prior art. The present invention is intended to provide an image input device capable of performing the above.

[0007]

That is, the image input device of the present invention is obtained by the input means for optically scanning the input object to obtain the image information of the input object, and the input means. Display means for displaying an image of the input object based on the image information; area setting means for setting a desired input area of the image of the input object displayed on the display means; and area setting The number of vertical and horizontal pixels of the input area set by the means is displayed on the display means,
A resolution setting means for setting the number of vertical and horizontal pixels to a desired value, and the image of the input area set by the area setting means is displayed with the number of vertical and horizontal pixels set by the resolution setting means. It is characterized in that it is configured to input.

[0008]

In the image input device of the present invention having the above structure, when a desired input area is set by the area setting means, the resolution setting means displays the number of vertical and horizontal pixels of the set input area. Can be set to a desired value and the resolution after image input can be designated.

Therefore, the resolution can be easily grasped by the number of pixels in the vertical and horizontal directions, the degree of freedom in setting the resolution is high, and more accurate image input can be performed as compared with the prior art.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows a schematic configuration of an image input device according to an embodiment of the present invention. In FIG. 1, reference numeral 1 is an input device for optically scanning an image such as a document or photograph to read it. A display device 3 that displays an image read by the input device 1 and includes a pointing device (not shown) such as a mouse is a control device that controls the input device 1 and the display device 2.

The input device 1 includes an auxiliary input section 1a for executing an auxiliary input (pre-scan), and an input section 1b for scanning an area designated by the result of the auxiliary input and inputting an image. .

The control device 3 also includes an auxiliary input buffer 3a for accommodating auxiliary input data, a recognition data processing section 3b for displaying an auxiliary input result, and a display data processing section 3c for designating a necessary area of an image. An area data buffer 3d that stores area-designated area data, a resolution setting processing unit 3e that sets resolution, a resizing processing unit 3f that performs resizing processing, and a processing data buffer 3g that stores resizing processing data. An input data buffer 3h that stores input data and an input image display unit 3i that displays the input data are provided.

When inputting an image with the image input apparatus of this embodiment having the above-described structure, as shown in the flow chart of FIG. 2, first, the auxiliary input section 1a performs the auxiliary input to read the image and then the auxiliary input buffer. The image data is stored in 3a (101).

Next, based on the image data stored in the auxiliary input buffer 3a, the recognition data processing section 3b displays on the display device 2 (102).

Then, the display data processing section 3c recognizes the coordinates of the area of the necessary portion designated by the user on the image, and stores the area data in the area data buffer 3d (103).

At this time, the area is designated by using the mouse or the like of the display device 2. For example, as shown in FIG. 3, first, the upper left first point A on the screen 2a of the display device 2 is designated. And move the cursor diagonally downward right to the second point B
By specifying. At this time, as indicated by the dotted line in the figure, the area designated by the two points A and B is displayed on the screen 2a. Also, if you want to change the area,
Move the cursor outside the specified area and click the mouse.

Next, the user selects whether or not to perform resizing (104). If the resizing is not performed, the input unit 1b inputs an image in the specified area at a normal resolution. (105), the input image information is sent to the input data buffer 3h, and the input image display unit 3
An image is displayed by i (106).

On the other hand, when resizing is performed (104),
As shown in FIG. 4, the resolution setting processing unit 3e performs display for resolution setting processing including display of the number of vertical and horizontal pixels of the designated area on the screen 2a of the display device 2 (10
7) If automatic resizing is performed (108), the resolution is set to a resolution selected from the standard resolutions (10).
9) In the case of manual selection, the user selects whether to set by the number of pixels (110), and in the case of setting by the number of pixels, the number of pixels is specified (111). Setting is performed by designating (112).

After such settings are completed, the above-mentioned image input (105) and image display are performed (10).
6).

The numbers (384 pixels) and (240 pixels) shown in the upper part of FIG. 4 are the number of pixels in the vertical and horizontal directions of the designated area, and are designated by changing the number of these pixels. A desired resolution can be set by changing the number of vertical and horizontal pixels in the region. At this time, the changed number of pixels is displayed in the frame next to the number of pixels. Further, “VGA”, “HDTV”, “standard resolution” and the like shown below the number of pixels in FIG. 4 are icons for selecting a prescribed resolution defined by each standard, for example, “VGA”. If "" is selected, vertical 4
The input is performed by 80 pixels and 640 pixels horizontally.

As for the resizing setting, as shown in FIG. 5, resizing by a ratio (percentage) and resizing by specifying a numerical value can be selected. It is configured so that it can be executed with a specific place of as an origin.

That is, as shown in FIG. 6, when resizing by a ratio (60%) is selected and overall enlargement / reduction is selected, an image as shown in FIG. The image is reduced to form an image as shown in FIG. Also,
As shown in Fig. 7, resizing by specifying a numerical value (horizontal 400
(Pixels, vertical 270 pixels) and selecting the upper left as the resizing origin, an image as shown in FIG. 7A is captured with 400 horizontal pixels and 270 vertical pixels with the upper left origin. An image as shown in is obtained.

As described above, according to the image input apparatus of this embodiment, the resolution can be easily grasped by the number of pixels, the degree of freedom in setting the resolution is high, and the setting for enlarging or reducing the input image is made. Can be performed with higher accuracy. Therefore, for example, even when inputting to a device having different vertical and horizontal aspect ratios, a desired image can be input in a desired form.

In the above embodiment, in the case of resizing designation, the input unit 1b is configured to input an image at a newly designated resolution, but software for image complementary calculation etc. is used by using the result of auxiliary input. It is also possible to configure so as to obtain an image of the specified resolution by the processing.

[0026]

As described above, according to the image input apparatus of the present invention, the resolution can be easily grasped and the degree of freedom in setting the resolution is high. be able to.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of an image input device according to an embodiment of the present invention.

FIG. 2 is a diagram for explaining the operation of the image input device in FIG.

FIG. 3 is a diagram for explaining a region designation procedure of the image input device of FIG.

FIG. 4 is a diagram showing an example of a display screen of the image input device of FIG.

5 is a diagram showing an example of a display screen of the image input device of FIG.

FIG. 6 is a diagram for explaining the operation of the image input device in FIG.

FIG. 7 is a diagram for explaining the operation of the image input device in FIG.

[Explanation of symbols]

 1 Input Device 2 Display Device 3 Control Device 3b Recognition Data Processing Unit 3c Display Data Processing Unit 3e Resolution Setting Processing Unit 3f Resize Processing Unit

Claims (3)

[Claims] 1. An input means for optically scanning an input object to obtain image information of the input object, and an image of the input object based on the image information obtained by the input means. Display means for displaying, area setting means for setting a desired input area in the image of the input object displayed on the display means, and number of vertical and horizontal pixels of the input area set by the area setting means Is displayed on the display means, and resolution setting means for setting the number of vertical and horizontal pixels to desired values is set, and the image of the input area set by the area setting means is set by the resolution setting means. An image input device configured to input the number of vertical and horizontal pixels. 2. An input means for optically scanning an input object to obtain image information of the input object, and an image of the input object based on the image information obtained by the input means. Display means for displaying, and resolution setting means for setting the number of vertical and horizontal pixels of the input image information to a desired value, according to the number of vertical and horizontal pixels set by the resolution setting means, An image input device configured to input the image information of an inputtable area. 3. The image input device according to claim 2, wherein the resolution setting means comprises means capable of preregistering a plurality of types of resolutions, and a desired resolution is selected from among the plurality of types of resolutions registered in the means. An image input device characterized by being configured so that it can be selected and set.