JPH07182529A - Image processor - Google Patents

Abstract

PURPOSE:To provide the image processor equipped with a high-extendability, high-function and high-performance image processing circuit. CONSTITUTION:A CPU 10 of an image processing circuit 1 is provided with a main memory 12 for storing various control programs or managing information for storing, retrieving and editing images or the like and a main memory controller 13 for controlling the main memory 12, performs various kinds of image processing by using an image processor 11 and controls a scanner interface controller 15, printer interface controller 17, optical disk interface controller 19, keyboard controller 22, floppy disk controller 24, magnetic disk controller 26, serial I/O controller 28 and CRT I/F controller 30 or the like to which various kinds of extended functions are connected.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image processing apparatus for performing image processing such as reading, storing, displaying and printing of image information.

[0002]

2. Description of the Related Art In recent years, an image such as a large amount of documents is read by a scanner device (two-dimensional scanning device), and the read image is output to an output device, for example, a CRT display device or a printer device in a visually recognizable state. Image processing devices have been put to practical use.

However, since such an image processing apparatus has a dedicated image processing circuit, it is not expandable and it is difficult to combine it with an image processing apparatus having another function.

[0004]

As described above, since the image processing apparatus is provided with the dedicated image processing circuit, it is not expandable, and the processing by combination with the image processing apparatus having another function is performed. There was a problem that it was difficult. Therefore, it is an object of the present invention to provide an image processing device having an image processing circuit that is highly expandable and has high functionality and high performance.

[0005]

The image processing apparatus of the present invention is an image processing apparatus in which an image is read by a reading unit and printed by a printing unit, and various image processing functions including the reading unit and the printing unit are provided. It is composed of connecting means for connecting each processing function, and image processing means for processing an image using the processing function connected to this connecting means.

The image processing apparatus of the present invention is an image processing apparatus in which an image is read by the reading means and printed by the printing means, and an image processing means for processing the image read by the reading means and various image processing means. Connection means for connecting processing functions for each processing function; display means connected to the image processing means via the connection means for displaying an operation mode using the processing functions connected to the connection means; When the operation mode instructed to select the operation mode displayed on the display means is connected to the image processing means via the means, and the operation mode instructed to be selected by the instructing means is image printing, printing is performed by the printing means. And executing means for executing.

The image processing apparatus of the present invention includes an image processing means for processing an image, a connecting means for connecting various processing functions to the image processing means for each processing function, and the image processing means via the connecting means. Connected to the display means for displaying an operation mode using a processing function connected to the connection means, and an operation mode connected to the image processing means via the connection means and displayed on the display means. It is composed of instructing means for instructing and control means for controlling the operation mode in accordance with the instruction of the instructing means.

The image processing circuit of the present invention comprises an image processing means for processing an image, a connecting means for connecting various processing functions to the image processing means for each processing function, and storing the image.
It is composed of storage means for storing various control programs for retrieval, editing, etc. and management information, and control means for controlling various processing functions connected to the storage means and the connection means.

[0009]

According to the present invention, in an image processing apparatus in which an image is read by a reading unit and printed by a printing unit, various image processing functions including the reading unit and the printing unit are connected for each processing function and connected. The image processing is performed using the processing function.

According to the present invention, image processing is performed by the image processing means, various processing functions are connected to the image processing means by connecting means for each processing function, and various control programs for storing, retrieving, editing, etc. of the image, and The management information and the like are stored in the storage means, and various processing functions connected to the storage means and the connection means are controlled.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 2 shows a schematic configuration of a digital PPC (plain paper copier) according to the image processing apparatus of the present invention, which includes a modularized image processing circuit 1, a scanner 2 for reading an image, and a printer 3 for printing an image. It is configured to be housed in the same housing 4. A display 5 as a display unit, a keyboard 6 as an input unit, and a mouse 7 are connected to the image processing circuit 1.

FIG. 1 shows a modular image processing circuit 1.
The configuration of FIG. 1 shows a CPU 10, which controls overall control, an image processor 11 which performs image processing such as display, enlargement, reduction, rotation, insertion, and black / white inversion, image storage and retrieval,
A main memory 12 that stores various control programs for editing and management information, a main memory controller 13 that controls the main memory 12, a scanner interface controller 15 that controls the scanner 2 connected via the scanner interface 14,
A printer interface controller 17 for controlling the printer 3 connected via the printer interface 16, an optical disk interface controller 19 for controlling an optical disk device connected via an optical disk interface 18, various control programs for image storage, retrieval, editing, etc. Memorize IP
L-ROM 20, KB interface (I / F) 21
A keyboard controller 22 for controlling a keyboard (KB) 6 connected via the FD interface 23, a floppy disk controller 24 for controlling a floppy disk device (FD) connected via the FD interface 23, and an HD interface 25 for connection. Magnetic disk controller 26 for controlling the magnetic disk device (HD), mouse interface 2
A serial I / O controller 28 for controlling the mouse 7 connected via 7, a CRT I / F controller 30 for controlling the display 5 connected via a display interface 29, a real-time clock 31 used for time measurement, and The bus 32 connects each part.

FIG. 3 shows an example of the configuration of the image processor 11, and a page memory 4 as an image memory having a storage capacity corresponding to images of several pages of A4 size original.
0, a display memory 41 as a display interface for temporarily storing an image displayed by the display 5, a buffer memory area 40a provided in a part of the page memory 40, an enlargement / reduction process for enlarging / reducing an image. A circuit 42, a vertical / horizontal conversion circuit 4 for rotating an image
3. Encode and decompress the image (reduce the redundancy) to restore the original redundancy.
A compression / decompression circuit (CODEC) 4 for performing a decoding process
4 and.

The display memory 41 is for temporarily storing the image displayed by the display 5. In the display memory 41, an image actually displayed in the display window of the display 5, for example, an image from the page memory 40 or an image from the buffer memory 40a is enlarged, reduced, rotated, inserted or inverted in black and white. The image subjected to the above is stored.

The compression / expansion circuit 44 uses an MH (Modified Huff).
Band compression or band expansion is performed using a man (man) method, an MR (Modified Read) method, or the like. The image processing circuit 1 has a mode setting, and each desired function can be selected.

FIG. 4A shows a display 5 connected to the image processing circuit 1. A keyboard 6 or a mouse 7 which is also connected to the image processing circuit 1 is shown in FIG.
Using, the mode setting is selected and input from the displayed mode setting screen.

FIG. 4B shows the operation panel 50 of the scanner 2, which is composed of a start switch 51, a display section 52, a mode setting switch 53, and a selection number switch 54. When the mode setting switch 53 is pressed, the mode setting screen is displayed on the display 5, and when the number of the selection number switch 54 is selected and pressed, the mode can be set.

The mode setting screen displayed on the display 5 includes various processing functions connected to the image processing circuit 1, that is, the scanner interface controller 15, the printer interface controller 17, the optical disk interface controller 19, the keyboard controller 22, and the floppy disk. Disk controller 24, magnetic disk controller 26, serial I / O
The CPU 10 detects and sets the connection state of various processing functions including the scanner 2 and the printer 3 connected to the controller 28, the CRT I / F controller 30, and the like.

Next, the operation of the digital PPC in such a configuration will be described with reference to the flowchart of FIG. First, the mode setting switch 53 of the scanner 2
Is pressed to display the mode setting screen on the display 5. Press the "1" key of the selection number switch 54 and press "P
Select "PC mode".

The original is read by setting the original on the scanner 2 and pressing the start switch 51. The CPU 10 processes the image of the document read by the scanner 2 via the scanner interface 14, the scanner I / F controller 15, and the bus 32.
No. 1 page memory 40 is temporarily stored.

Subsequently, the CPU 10 causes the printer 3 to print the image stored in the page memory 40 via the bus 32, the printer I / F controller 17 and the printer interface 16.

Next, the image editing operation will be described with reference to the flowchart of FIG. First, the mode setting screen is displayed on the display 5 by operating the keyboard 6, and the image editing mode is selected. The start switch 51 of the scanner 2 is pressed to read the document set on the scanner 2. The CPU 10 transfers the image of the document read by the scanner 2 to the scanner interface 14 and the scanner I.
The data is temporarily stored in the page memory 40 of the image processor 11 via the / F controller 15 and the bus 32. The image temporarily stored in the page memory 40 is used for image editing, and is temporarily stored in the display memory 41 as an image displayed by the display 5. The CPU 10 displays the image temporarily stored in the display memory 41 on the display 5, and edits the image with the mouse 7 or the like.

The image processing circuit 1 is provided with an optical disk interface controller 19, a floppy disk controller 24, a magnetic disk controller 26, etc., and an optical disk device via the optical disk interface 18 and a floppy disk via the FD interface 23. The function can be expanded by connecting the magnetic disk device (HD) and the like via the device (FD) and the HD interface 25.

Further, as shown in FIG. 7, the modularized image processing circuit 1 of the present invention can be used as the workstation 60. Even in this case, CRT I
The display 5 can be connected to the / F controller 30 via the display interface 29, the keyboard 6 can be connected to the keyboard controller 22 via the KB I / F 21, and the mouse 7 can be connected to the serial I / O controller 28 via the mouse I / F 27. . Furthermore, an interface controller of the I / O device is provided to expand the function, and the scanner 2, printer 3, optical disk device, etc. can be connected.

As described above, according to the above embodiment,
By using the modularized image processing circuit, it is possible to achieve high functionality and high performance because it has expandability of various functions and there is no need to perform combination processing between dedicated image processing circuits. Further, by using the modularized image processing circuit, the processing functions can be unified and the cost can be reduced.

[0026]

As described above in detail, according to the present invention,
It is possible to provide an image processing apparatus having an image processing circuit that is highly expandable and has high functionality and high performance.

[Brief description of drawings]

FIG. 1 is a block diagram schematically showing a configuration of an image processing circuit according to an image processing apparatus of the present invention.

FIG. 2 is a digital PPC according to the image processing apparatus of the present invention.
FIG.

FIG. 3 is a diagram showing a configuration example of an image processing processor.

FIG. 4 is a diagram for explaining a display example of a display and an operation panel of the scanner.

FIG. 5 is a flowchart for explaining an operation as a digital PPC.

FIG. 6 is a flowchart for explaining an image editing operation.

FIG. 7 is a diagram showing an example in which an image processing circuit is used in a workstation.

[Explanation of symbols]

 1 ... Image processing circuit 2 ... Scanner 3 ... Printer 5 ... Display 6 ... Keyboard 7 ... Mouse 10 ... CPU 11 ... Image processing processor 50 ... Operation panel 53 ... Mode setting switch

Claims (4)

[Claims] 1. An image processing apparatus for reading an image by a reading means and printing it by a printing means, a connection means for connecting various image processing functions including the reading means and the printing means for each processing function, and this connection. An image processing apparatus comprising: an image processing unit that processes an image using a processing function connected to the unit. 2. An image processing device for reading an image by a reading means and printing it by a printing means, the image processing means for processing the image read by the reading means, and various processing functions for each processing function in the image processing means. Connection means for connecting to the image processing means, a display means connected to the image processing means via the connection means and displaying an operation mode using a processing function connected to the connection means, and the image through the connection means. Instruction means connected to the processing means for instructing to select the operation mode displayed on the display means, and execution means for executing printing by the printing means when the operation mode instructed to select by the instruction means is image printing An image processing apparatus comprising: 3. An image processing means for processing an image, a connecting means for connecting various processing functions to the image processing means for each processing function, and a connection means connected to the image processing means via the connecting means. Display means for displaying an operation mode using a processing function connected to the means; instruction means connected to the image processing means via the connection means for selecting and instructing the operation mode displayed on the display means; An image processing apparatus comprising: a control unit that controls the operation mode according to an instruction from the instruction unit. 4. An image processing means for processing an image, a connecting means for connecting various processing functions to the image processing means for each processing function, and various control programs and management information for storing, retrieving and editing the image. An image processing circuit comprising: storage means for storing the above, and control means for controlling various processing functions connected to the storage means and the connection means.