JPH1028219A - Image-editing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To display an original in an easy-to-understand way by processing the acquired image data into the data which are used for recognition of a closed area, included in the original image, and storing the processed data. SOLUTION: The image of a black/white original is stored in a memory 618 which stores the binary signals for a lightness signal Y of the original information and then used as the character information, when the black/white original is synthesized with a color original. The original information is converted into the color palette input data in a color original editing mode, thinned in 100dbi and stored in an LCD display original/closed loop/marker detection memory 620. In a black/white original editing mode, the binary signal of black and white information 1 bit/color information 3 bits/black and white gradation 4 bits in the original, is thinned in 100dbi and stored. Then the original information stored in the memory 620 is transferred to a VRAM by a CPU and displayed there. In the white/black original editing mode, the CPU also detects a closed loop, a marker point position and a marker closed loop of the original and generates the editing area designation information.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image editing apparatus, and more particularly to an image editing apparatus that displays a read original and allows a user to edit the displayed content.

[0002]

2. Description of the Related Art Japanese Unexamined Patent Publication Nos.
As disclosed in Japanese Patent No. 223783, there has been proposed a method in which data for recognizing a closed area is read from a document, written in a memory, the closed area is recognized with reference to the data, and the area is edited. .

[0003]

However, in the above-mentioned conventional method, the result of editing processing in a closed area, which indicates whether recognition of a closed area has been surely performed or not, is not known until a copy is output. There were many.

Accordingly, it is a first object of the present invention to provide an image editing apparatus capable of displaying a read original in an easily understandable manner.

A second object of the present invention is to provide an image editing apparatus capable of knowing the result of image editing before copy output.

[0006]

In order to achieve the above object, according to one aspect of the present invention, an image editing apparatus includes an acquisition circuit for acquiring image data by reading a document image, and a display circuit for displaying the acquired image data. A first storage circuit for storing as image data to be displayed on a document, a processing circuit for processing the acquired image data into data for recognizing a closed area provided in the document image, and storing the processed data And a second storage circuit.

Further, the image editing apparatus includes: an editing circuit for editing an original image based on the processed data; an editing result of the editing circuit; and image data stored in the first storage circuit. A display circuit for displaying the edited result.

Further, the image editing apparatus has a memory, and the memory has a first storage area and a second storage area for one address, and the first storage area includes a first storage circuit. , The second storage area includes a second storage circuit.

According to the present invention, the first storage circuit and the second storage circuit
With this storage circuit, the read original can be displayed on the display in an easily understandable manner. Also, by displaying the edited result, the edited result can be known before the copy output.

[0010]

Next, preferred embodiments of the present invention will be described in detail with reference to the drawings. In the drawings, the same reference numerals indicate the same or corresponding parts.

FIG. 1 is a perspective view of a digital color copying machine according to one embodiment of the present invention.

Referring to FIG. 1, a color copying machine 100 includes an automatic document feeder (also referred to as an ADF) 200 for handling a large number of documents and a sorter 4 for sorting copy sheets.
00, a film projector 500 for performing copying from a film original, and a screen editor 60 which is a feature of the color copying machine according to the present embodiment.
0, and a printer controller 700 for using the copying machine as a color printer by connecting a personal computer or EWS.

The screen editor 600 includes:
A color liquid crystal display (LCD) 115 that displays various operation menus for reading and displaying a document and for instructing a user to perform an operation is included.

Further, on this color LCD 115, a transparent tablet (touch panel) for detecting coordinates designated by the user is laminated, and a pen 8 is provided.
With the input from the user at 00, the coordinates on the color LCD can be directly input to the device.

FIG. 2 is a sectional view for explaining the mechanism of the color copying machine shown in FIG. Referring to FIG. 1, the copying machine mainly includes an image reader unit 30 and a printer unit 20. Hereinafter, each of them will be described.

(1) Regarding Image Reader Unit 30 The image reader unit 30 includes a document table 31 for loading documents and a scanner 32 for performing exposure scanning of the documents.
An image sensor (CCD) 201 for detecting light reflected from a document, an image signal processing unit 330 for processing a signal from the image sensor, and a control signal to a printer unit based on a signal from the image signal processing unit. And a pulse motor 35 for driving the scanner 32.

An image of a document stacked on a document table 31 is exposed and scanned by a scanner 32, and reflected light of the image is photoelectrically converted by an image sensor 201. The photoelectrically converted signal is subjected to predetermined processing in an image signal processing unit 330, and digital image data for driving a laser diode is generated. The generated digital image data is transmitted to the print head control unit 335.

(2) Printer 20 The printer 20 is composed of an image forming section, a developing unit, and a sheet processing section. The contents are explained below.

(A) Image forming unit The image forming unit includes a laser device 21 driven based on digital image data sent from the image reader unit 30, and a photosensitive drum 4 for writing an electrostatic latent image. And a developing unit 6 for developing with toner, a transfer drum 10 for transferring an image to the surface of a sheet, and a drum drive motor 22 for driving the photosensitive drum and the transfer drum.

The laser device 21 is driven by the input digital image data and the like. By driving the laser device 21, an electrostatic latent image is formed on the surface of the photosensitive drum 4. The electrostatic latent image is developed with toner by the developing unit 6 and is transferred to the surface of a printing paper placed on the transfer drum 10.

At this time, the photosensitive drum 4 and the transfer drum 10 are synchronously driven by a drum drive motor 22.

(B) Developing Unit 6 The developing unit 6 includes a magenta developing device 6M for developing with magenta toner, a cyan developing device 6C for developing with cyan toner, and a yellow developing device for developing with yellow toner. Device 6Y, a black developing device 6K for performing development with black toner, and four toner hoppers provided at the top of each developing device for supplying toner of a color corresponding to each of the developing devices; And a developing unit motor 61 for moving the developing unit 6 in the vertical direction.

(C) Paper Processing Unit The paper processing unit includes storage cassettes 42 to 44 for storing sheets for printing, and an intermediate storage unit 50 for temporarily storing sheets.
It is composed of

The paper drawn from any one of the storage cassettes 42 to 44 or the paper fed from the intermediate storage unit 50 is transported to the transfer drum 10 by a transport roller group and wound around the transfer drum 10. . After that, the toner image on the photosensitive drum 4 is sequentially printed on the paper (up to 4 toner images).
Color).

The transferred sheet is then separated from the transfer drum 10, the image is fixed in a fixing device 48, and discharged on a discharge tray 49.

A pair of timing rollers 45 for taking registration timing at the time of sheet conveyance, and a conveyance belt 47
Are provided in the device.

The conveying roller group and the conveying belt 4
Driving such as 7 is performed by the main motor 41.

Further, the transfer drum 10 has a tip chuck claw for chucking the leading end of the sheet, an attraction charge 11 for electrostatically attracting the sheet to the transfer drum 10,
A paper pressing roller 12 for pressing the paper, a transfer charge 14 for suctioning and transferring the toner image visualized on the photosensitive drum onto the paper, and after the transfer of the toner image (for full-color development) In this case, after the transfer of the toner images of four colors is completed), static elimination charges 16 and 17 for static elimination of the transfer drum to separate the sheet and a separation claw 18 for separating the sheet from the transfer drum are arranged. Has been established.

Further, a sheet once subjected to the above printing process is introduced into the intermediate storage section 50. Once the printing process has been completed, the sheet is conveyed to the discharge tray 49 or the intermediate storage 5
Whether the paper is conveyed to 0 is selected by switching of a conveyance path switching unit 53 provided in the conveyance path of the paper after the fixing process.

A transport path switching section 54 is further disposed in the transport path toward the intermediate storage section 50. The transport path switching unit 54 selects whether the transported paper is switched back transported by the reversing device 51 and then stored in the intermediate storage unit 50 or directly stored in the intermediate storage unit 50.

This selection is made when the sheet fed from the intermediate storage section 50 is conveyed to the transfer drum again, and whether the image is transferred to the same surface as the sheet on which printing has already been performed (such a case). The transfer mode is "Image superposition mode"
) Or to perform transfer to the back side (this mode is also referred to as “double-sided copy mode”).

The transfer drum is further provided with a reference position sensor 13 for detecting a reference position of the transfer drum and an actuator plate 13a for operating the reference position sensor.

The operations of the image reader unit and the printer unit will be described later. FIG. 3 is a block diagram of an electronic circuit for image processing provided in the screen editor of the copying machine in FIG. 1, and FIG. 4 is a block diagram of an image processing circuit provided in the main body of the copying machine. 3 and 4 are connected at portions A, B and C in the figure.

Referring to FIG. 3, the screen editor includes the following. (A) Binary memory for image synthesis (618) This memory stores a binarized signal of the brightness signal (Y) of the document information. The image of the black-and-white document is stored in this memory and used as character information when combining with a color document (character combining function).

(B) LCD display original / closed-loop marker detection memory (620) In the color original edit mode, original information is converted into color pallet input data of LCDC for LCD display, and 100
This is a memory that thins out and stores data at dpi. That is, the number of colors of the document image is stored after being reduced to the number of colors that can be displayed on the LCD.

In the black and white document editing mode, 1 bit of black and white (closed loop detection) information / color information (R, G,
B, C, M, Y) 3 bits / monochrome gradation (for display) 4 bi
This is a memory for thinning out and storing the binarized signal of t to 100 dpi.

The document information in this memory is stored in V by the CPU.
The data is transferred to the RAM and displayed. Also, in the black and white original editing mode, the CPU detects the original closed loop / marker point position / marker closed loop from the information in this memory,
Generate edit area specification information.

As described above, this memory is characterized in that the storage method is changed according to the set mode.

(C) Edit area designation memory (626) A memory in which 16 types of edit area signals are set as bitmap information by the CPU by specifying coordinates from the closed loop / marker detection memory 620 and the touch panel 614 of the editor. The output of the area signal for each editing function is controlled by the editing area information in the memory.

(D) Patterning (texture) memory (622) This is a memory for storing patterned originals stacked on the original surface or background gradation processing data. The data of the background gradation processing is set by the CPU.
A patterning process for a color document and a background gradation process for a black-and-white document are performed based on the image data stored in the memory. The memory size is as follows: maximum patterning period (main scanning) = 128 dots, sub-scanning = 256 dots,
Tone (brightness) = 256 tones.

(E) Patterning memory (624) This is a memory for storing binary data of a pattern shape for patterning processing. The black and white original is patterned according to the pattern shape stored in the memory. The pattern shape binary data in this memory is set by the CPU. The memory sizes are pattern size (main scanning) = 128 dots, sub-scanning = 256 dots, and eight patterns.

(F) Binarization processing section (628) At the time of preliminary scanning, the simple binarized output of the brightness signal (Y) is written from the original input data into the image compositing binary memory 618. At the time of image reproduction scanning, a simple binarized output of the brightness signal (Y) from the document input data is output to the replacement color data generation unit 640 as character area determination data.

At the time of image reproduction scanning, a binary output of a brightness signal (Y) and a saturation signal (C) is output from the original input data to the replacement color data generation unit 640 as background area determination data.

(G) Border Judgment Unit (630) Judges the outline / hollow edge of the image data of the area specified from the edit area signal, and outputs the judgment information to the replacement color data generation unit 640. As the border determination, predetermined determinations for the following functions are performed.

Border function: detects a border edge of a binarized input image and outputs edge determination information to a replacement color data generation unit.

Blanking function: detects a blanked edge of a binarized input image and outputs edge determination information to a replacement color data generation unit.

(H) Marker Color Judgment / LCD Display Image Data Coding Processing Unit (632) In the black-and-white document editing mode, the document input data is converted to black-and-white / color (R, G,
(B, C, Y, M)
Output to the closed loop marker detection memory 620.

In the color document editing mode, when the preliminary scan is performed, the document input data is converted into a color code for LCD display, and the document for LCD display / closed loop.
Output to marker detection memory.

Writing of data to the LCD display original / closed-loop marker detection memory is performed every four lines during the sub-scanning effective period.

Marker color judgment / LCD display: Y, C
r and Cb are searched from the ROM as address information. R for marker color judgment and image data coding for LCD display
An OM table (256K × 8 bits) is implemented.

(I) 1/4 thinning-out processing section (634) The original input data is converted to 4d in the main scanning direction during the preliminary scanning.
The thinning process by simple thinning is performed for each dot, and the marker color judgment / LCD display image data encoding processing unit 6
32.

(J) Patterning data writing unit (636) At the time of preliminary scanning, a part (128 ×
The brightness signal (Y) of 256 dots) is written in the patterning memory.

(K) Color Discrimination Unit (638) The color discrimination unit (638) discriminates the color of the image data in the area designated from the edit area signal, and outputs discrimination information to the replacement color data generation unit 640. As color determination, predetermined determinations are made for the following functions.

Color change function: discriminates whether or not an input image is a designated document color and outputs discrimination information to a replacement color data generation unit.

Patterning function: discriminates whether or not the input image is the designated document color, and outputs the discrimination information to the replacement color data generation section (designated color patterning function).

The color discrimination unit 638 implements a ROM table for color discrimination polar coordinate conversion. (L) Replacement color data generator (640) The image data replaced by the color conversion and border editing instruction information of the image data of the area designated by the editing area signal is output. The replacement color data processing performs a predetermined conversion for each of the following functions.

Color change function: Converts a specified original color into a specified replacement color (color area).

Patterning function: Converts a designated document color into patterning memory data (color area).

Background color replacement function: Converts a white area into a specified replacement color and pattern (monochrome area).

Border function: Converts an edge portion and an image inside the edge into different specified replacement colors (monochrome area).

(M) Area signal output unit (642) The area signal specified from the editing area memory 626 is
The image data is converted into an editing attribute signal for the copying machine body, and an editing instruction signal is output to a border judgment processing unit, a color judgment processing unit, and a replacement data generation processing unit. The attribute signals output to the copying machine main body are a monocolor / monochrome instruction signal, a negative / positive determination instruction signal, and an image replacement / image erase / character synthesis instruction signal.

(N) VRAM (616) This is an image memory for storing display image data of the LCD display. The image data in this memory is written by the CPU. The image data in this memory is read by LCC
D is displayed.

(O) LCDC (612) Controls LCD display (VGA: 640 × 480/256 colors) and VRAM. The image data set in the VRAM is read out and displayed on the LCD.

(P) CPU (602) The CPU performs LCD display control and generation processing of edit area information.

(Q) CPU Controller (610) The CPU controller (610) performs address decoding and bus control for external access of the CPU. It controls input / output of the touch panel I / F to the CPU.

(R) Program ROM (604) This is a ROM for storing CPU programs.

(S) Work RAM (606) This is a work / stack RAM of the CPU.

(T) Backup SRAM (608) S with built-in battery for storing backup parameters
RAM. Writing of parameters is performed by the CPU.

(U) Color LCD (115) (v) Touch Panel (614) Referring to FIG.
A copier processing unit 102 that performs processing such as conversion of a signal output from the image reader; and a copier processing unit 102
Processing unit 106 that processes signals output from
And a printer 10 for printing an output signal of the image processing unit
7 is provided.

The image reader 30 outputs 8-bit image data for each of Y, Cr and Cb. The output image data is sent to the screen editor and copier processing unit 102.
Is input to The copier processing unit 102 receives image data from the image reader 30, image data of 8 bits each of Y, Cr, and Cb output from a screen editor, and an edit area signal, and outputs processed image data. .

FIG. 5 is a block diagram showing a specific configuration of the editing area designation memory 626.

This memory is a memory for thinning out and storing a 1-bit black / white / color (R, G, B, C, M, Y) 3-bit binary signal in a document to 100 dots.
This memory also functions as a closed loop marker detection memory. Further, the editing area based on the designated coordinates input from the touch panel is stored. This memory is 16
The type of editing area signal is stored as bitmap information.

The edit area designation memory 626 is a DRAM
6262, DRAM controller 6261, CP
It comprises a U data gate 6263 and an edit area signal output section data gate 6264. The DRAM controller 6261 inputs a CPU address, an area signal output section address, a CPU read / write signal, and data from the area signal output section. A CPU data gate 6263 exchanges data with the CPU. Editing area output section data gate 6264 outputs data to area signal output section 642.

FIG. 6 is a diagram for explaining the plane configuration of the editing area designation memory. Referring to the figure, the editing area designation memory is composed of 16 planes. 1
The plane has a capacity of 2 Mbytes and is used to specify the editing position of the input image data. The role of each plane of the editing area designation memory changes for each editing mode and editing function.

FIG. 7 is a diagram for explaining the allocation of the memory plane of the editing area designation memory in each mode.

Referring to the figure, the role of each bit of bit 0 to bit 15 with respect to the memory plane is determined when the input document is a black and white document and a color document.
The description is made separately for the case of a monochrome / color original.

Here, the black-and-white original includes a non-colored original and an original in which the user has designated an area with a color marker in order to edit the uncolored black-and-white original. The color original is, for example, an original such as a photograph. A monochrome / color original is an original in which black and white and color are mixed.

Referring to the figure, when the read original is a black and white original, bit 0 is used as an erase area code. Here, the erase area code is a code for erasing an image in an area specified by the code.

Bits 1 to 15 are used as first to fifteenth character / base processing area codes. That is, editing processing corresponding to each of the areas specified by each bit is executed.

When the input image is a color original, bit 0 is used as an erase area code. bit1 is used as a negative / positive inversion area code. bit2 is used as a code of an area for patterning.

Bits 3 to 5 are used as first to third monochrome area codes for allocating first to third monochrome areas.

Bits 6 to 9 are used as first to fourth color change area codes for allocating first to fourth color change areas.

Bits 10 to 15 are the first to sixth characters /
Used as the first to sixth characters / base processing area code for assigning the base processing area.

When the read original is a monochrome / color original, bits 0 and 1 are used as an image combining instruction area. When the numbers indicated by bits 0 and 1 are “0”, watermark synthesis is performed. When the number is “1”, insertion and character synthesis are performed. When “2”, image erasing is performed. In some cases, no image synthesis is performed.

Bits 2 to 15 are used as area codes for the first to fourteenth embedding and character synthesizing, for editing in a black and white original, and for assigning a window designation area.

As described above, the editing area designation memory is used in a different manner according to the input image data.

Here, the data recorded in the editing area designation memory will be described by way of example. With reference to FIG.
Processing when part of a black-and-white document read by an image reader includes a region surrounded by a red marker (R), a region surrounded by a green marker (G), and a region surrounded by a blue marker (B) This will be described below.

This original is read by the image reader 30 and binarized by the binarization processing section 628.
Document memory 62 for closed loop / marker detection / LCD display
0 is stored.

At this time, in the memory 620, FIG.
As shown in FIG. 2, the surface 20 for recording black data
In No. 1, data of only the black and white portion of the document is stored.

On the other hand, on the surface on which the marker color codes of red, green, and blue are recorded, as indicated by reference numerals 202 to 204, only the image corresponding to the color of the marker attached to the document is displayed. Is recorded.

The original images stored in these memories 620 are transferred to VRAM 616 via CPU 602,
As a result, the image is output to the color LCD 115.

At this time, according to the setting by the user of the apparatus or the automatic setting by the apparatus, it is possible to select either to display the read original as it is or to display the image after the image processing is performed by the marker. Is done.

More specifically, referring to FIG. 9 (A), when the mode for displaying the graphic entered by the marker as it is is selected, the same as the original image read as shown on screen 205 is displayed. The image is recorded in VRAM,
It is displayed on the color LCD 115.

On the other hand, when the mode for displaying the effect of the image processing by the marker (the mode for displaying the image after the image processing is performed) is selected,
As shown on the screen 207, the image after the image processing is performed is displayed based on the color and the position of the marker. Note that, here, hatching is performed in a region surrounded by a red marker, coloring is performed in a region surrounded by green, and a graphic in a region surrounded by a blue is marked in a region surrounded by blue. Reductions have been made.

Further, while the screen shown in screen 205 is being displayed, the user can further enter information on the displayed screen with a marker via touch panel 614. For example, from the state shown on screen 205 in FIG. 9A, the user can add new areas (1) and (2) via touch panel 614 as shown on screen 206. .

That is, through the color LCD 115, the user can know the state before the image processing is performed and the state after the image processing is performed. This makes the device easier to use.

In the editing area designation memory 626, data corresponding to editing of a black and white original is recorded in each bit. That is, the figure indicating the editing area, which is set by the entry by the user with the marker or the input from the touch panel, is stored in the area of bit 15.

Assume, for example, that an editing area as indicated by reference numeral 206 in FIG. 9A is set. At this time, referring to FIG.
The red marker (R) written on the black and white manuscript is in bit1 of
The area surrounded by is stored with the inside of the area filled. It should be noted that “1” data is recorded in the filled position, and “0” data is recorded in other portions.

Similarly, the bit in area designation memory 626
In area 2 and bit3, an area surrounded by green (G) and an area surrounded by blue (B) are stored with their insides filled.

[0100] Bit 4 of the area designation memory includes
The area of the portion (1) input from the touch panel is stored in a state where the inside is filled, and the area of (2) input from the touch panel is stored in a state where the inside is filled.

The area signal output unit 642 recognizes the filled-in areas stored in these memories, and identifies these filled-in areas as areas to be subjected to image processing. An edit area signal is output to 102.

FIG. 10 is a block diagram showing a specific configuration of the closed loop marker detection memory / LCD display original memory 620.

Referring to the figure, this memory stores the document information as 1
This is a memory for storing closed-loop marker determination data / color-coded data for LCD display after thinning to 00 dpi. The document information in this memory is
The data is transferred to the RAM and displayed on the LCD. In the black-and-white document mode, the CPU detects a closed loop marker. This memory is CPU
And a marker discrimination processing section and an LCD display color coding processing section.

Referring to the figure, a memory 620 is a DRAM
6201, a DRAM controller 6202, and a CP
It comprises a U data gate 6203 and a color code write / read data gate 6204.

A DRAM controller 6202 has a CPU
An address, a closed-loop marker / LCD display original address, a CPU write / read signal, and an LCD display color coding processing unit write signal are input.

CPU data gate 6203 exchanges data with the CPU. The color code WR data gate 6204 inputs data of the LCD display color coding processing unit.

FIG. 11 shows a closed loop marker detection / LC
FIG. 4 is a diagram for describing a plane configuration of a D display original memory.

Referring to the figure, a plane is composed of eight layers. The roles of these planes differ depending on the set mode. FIG. 11 shows a plane configuration when the input document image is a monochrome document image. Referring to the figure, four planes are used as black and white gradation data for displaying a black and white original image on the LCD, and the other four planes are used as a memory for detecting a closed loop and a marker.

On the other hand, when a color original or a monochrome / color original is read, all the planes are planes for recording data to be displayed on the LCD.

FIG. 12 is a diagram for explaining a state in which the role of the memory plane differs depending on the type of the document that has been read.

Referring to the figure, as described above, when a black-and-white document is input, the memory planes of bits 4 to 7 are used as grayscale data for displaying the black-and-white document, and bit 1 is used.
Are used as codes indicating the marker color. b
When the number indicated by it1 to it3 is “0”, it indicates an area without a marker. “1” is red, “2” is green, “3” is blue, “4”. "" Indicates a marker color of cyan, "5" indicates a magenta color, and "6" indicates a yellow marker color.

The frame indicated by bit 0 is black-and-white binary data and is used to detect a closed loop provided in a black-and-white document. Here, the closed loop indicates a closed area written with a black line in the document. When the user designates the closed area with a marker or a touch panel, the area can be colored or the area can be hatched.

If the read original image is used as it is as data for identifying a closed loop, the CCD
In some cases, the lines constituting the closed loop are interrupted due to the characteristics of the above, and the closed loop cannot be recognized properly. For this reason, as the data of the bit0 plane, data obtained by closing a line forming a closed loop is recorded. The closing process will be described later.

On the other hand, when the input original is a color original or a black and white + color original,
In all of it0 to it7, data for displaying on the LCD is recorded. That is, one dot is displayed on the LCD as 8-bit data. The input color tone of the color original is reduced to a color tone that can be expressed by the LCD display code and recorded in the memory.

As described above, the process of switching the role of the memory according to the content of the input document may be performed by hardware, but may be performed by the flow shown in FIG.

Referring to FIG. 13, when a mode for processing a black-and-white document is selected (YES in S1), a memory plane is allocated for a black-and-white document (S2). On the other hand, when the set mode is the color original mode or the monochrome / color original mode (YE in S3)
S), a color memory plane is allocated (S)
4).

FIG. 14 is a block diagram showing a specific configuration of the binarization processing section 628. This block performs a process of generating a binary document image binarized by the brightness signal (Y) and saturation (C) of the document information and a threshold parameter. Then, the binarized original is subjected to 3 × 3 dot closing processing, and stored in the binarization memory.

Referring to the figure, this block includes a threshold parameter output unit 628 for outputting a threshold parameter.
1, a binarization processing unit 6282 for performing a binarization process on the input document image, and a control unit 6 for controlling the binarization process
283, a thickening processing unit 6284 for performing thickening processing of a binarized original image for performing closing, and a thinning processing unit 6287 for performing thinning processing of a thickened original image
FIFO memory 6285 used for thickening processing,
And a FIFO memory 6286 used for the thinning process.

The binarization processing unit 6283 inputs the brightness signal (Y) and the saturation (C) of the document information. The threshold parameter output unit 6281 receives a CPU address, data from the CPU, and a write clock from the CPU.

The binarization processing control unit 6283 includes a binarization instruction signal, a binarization data write instruction signal, a sub-scanning effective area, a main scanning effective area, a main scanning synchronization signal, a dot clock, Enter

The thinning processing unit 6287 outputs the binarized data subjected to the closing and the background determination data. Thickening section 6284 outputs binarized data for closed loop detection.

A binarization processing control unit 6283 outputs a clock signal, a write signal, and an address clear signal to the binarization memory.

Next, the closing process will be described with reference to FIG. In the closing process, if at least one of the 3 × 3 pixels around the pixel of interest (the pixel indicated by hatching in the figure) has a black pixel, the pixel of interest is processed as a black pixel (thick processing), and thereafter, If even one of the 3 × 3 pixels has a white pixel, the process is a process of narrowing the target pixel to a white pixel (thinning process).

As a result, the lines constituting the contour of the closed loop are not interrupted, and the contour of the closed loop can be accurately determined when coloring the closed loop.

FIG. 16 is a block diagram showing a specific configuration of the LCD display color coding / marker color determination processing section 632.

This processing section converts input image data of a color original into color codes for LCD display in the color original edit mode.

In the black and white manuscript edit mode, data thinned out from manuscript input data is converted to color (R, G,
(B, C, Y, M).

As the black data, data after the 3 × 3 dot closing processing is used.

This processing section thins out 1/4 of the original information in the sub-scanning direction, so that the original image is stored in the LCD display original memory / closed loop marker detection memory every four lines.

Referring to the figure, processing section 632 determines LCD display data encoding / marker color determination from input image data, and LCD display data encoding / marker controlling the same. A color determination processing control unit 6326, an output delay synchronization control unit 6324,
Bit 0 selector 6325 for outputting marker color / LCD display data, closed-loop marker LCD display original memory writing control unit 6327, and ROM table 6321 for LCD display data encoding / marker color determination
And an output delay FIFO memory 6322.

The outline of the marker color determination method and the document color coding method will be described below.

The determination of the marker color is executed by referring to the ROM table with V / Cr / Cb input image data thinned out by 1/4 as a ROM address. The black and white binarized data is output in synchronization with the marker color determination data by thinning out the display binarized data output from the binarization processing section by 1/4.

The original color coding is performed by referring to the ROM table with the input image data of Y, Cr, Cb thinned out by 1/4 as the ROM address.

Next, a specific operation procedure of the copying machine shown in FIG. 1 will be described. FIG. 17 is a flowchart for explaining the operation procedure of the copying machine.

Referring to the figure, the operator selects a desired menu from the displayed edit menu (S10).
The original is read according to the content of the selected menu, and the content is displayed on the screen editor (S11). The operator looks at the displayed document contents and sets the contents of the editing via the screen editor (S1).
2). Next, copy modes such as paper size, magnification, and number of copies are set (S13). Thereafter, the edited copy is output (S14).

FIG. 18 is a diagram showing a specific example of the edit menu. The content shown in FIG. 18 is displayed on the LCD.

The menu includes five purpose-specific editing menus and one registration menu.

[0138] Coloring editing is to color characters and the background of a monochrome original.

[0139] Marker editing is for coloring a black-and-white document whose area is designated with a marker pen, in the area.

Color editing is for color originals,
It performs color editing processing such as color conversion and mono-color / color filters. Coloring can also be performed on a black and white portion in a color document.

The trimming edit is for trimming a part of a color or monochrome document.

Synthetic editing is a synthesizing process for fitting a color original into a black-and-white original. Coloring can also be performed on a black and white original.

The registration is for registering a color pallet or a pattern, which will be described later.

The user can select a predetermined one from these via the touch panel. When the selection is made, a screen corresponding to each content is displayed as shown in FIG.

FIG. 2 shows a screen when the coloring edit is selected.
0 is shown. The user sets the black-and-white document to be colored according to the displayed message, and then presses the read key
Press. Then, the black and white manuscript is read, and LC
D displays the original image. In this state, by coloring the original image displayed via the touch panel as shown in FIG. 21, a colored copy can be output from the printer.

For coloring, an area designation tool as shown in FIG. 22 is used. The area specification tool includes an area selection button for selecting a specified area, an entire button for the entire original as a target area, a box button for specifying a rectangular area, and an R box button for specifying a rounded rectangle area. It is composed of a trace button for designating a shape area, a closed loop button for designating a closed loop area, a straight line button for drawing a straight line, and a free form button for drawing a free form.

Here, the box button is a button for setting a rectangle designated by two points, a start point and an end point in the drag operation of the pen, as an area to be colored.

The R box is a button for setting a round rectangle designated by two points, a start point and an end point in the drag operation of the pen, as a target area. Figure 23 shows the shape of the round rectangle.
Shown in The trace button is a button having a free-form area having a closed start point and end point designated by a pen drag operation as a target area. Figure 2 shows the trace area specification.
As shown in FIG. 4A, as a basic process, an area surrounded by a trace line is extracted and set as a target area. When the areas intersect as shown in (B),
Each area of the intersecting trace lines is extracted and set as a target area. In FIG. 24, a hatched area is a processing target area.

[0149] The closed loop button is a button whose target area is an area closed by a black frame around the pen-on position. The closed loop area processing is performed as shown in FIG.

That is, as a basic process, an area surrounded by a black frame is extracted, and the area is set as a closed loop area (A). When there is a closed loop in the closed loop, an area surrounded by an outer black frame is extracted and the area is set as a closed loop area (B). It does not recognize the closed-loop area inside. Thus, the alphabet B
Closed loops present in such as are not identified.

When the outside of the portion enclosed by the closed loop is designated, it is not recognized as a closed loop area.

FIG. 26 is a diagram showing a screen when the marker editing mode is designated. Referring to FIG. 26, according to the display content shown in FIG. 26, the operator sets the marker-processed black-and-white document in the IR and presses the read key,
The reading of the marker document is performed. The read marker document is displayed on the LCD as shown in FIG. Markers can be specified by enclosing the area you want to edit with markers (enclosed frame specification),
There is a method (point designation) of designating the inside of a closed loop by marking a point with a marker in the closed loop of the document.

It is also possible to further designate a marker area on the document displayed on the LCD. In this case, a marker area designation tool shown in FIG. 28 is used.

The marker area designation tool is yellow,
It is composed of each color of magenta, cyan, green, let's and blue, and it is possible to specify an enclosing frame and a point for each color.

FIG. 29 is a diagram showing a screen when the color editing mode is designated. In accordance with the message displayed on the screen, the operator sets a color document or a color / black and white mixed document to be processed in the IR, and presses a read key. As a result, reading of the color original is performed, and FIG.
A color original is displayed on the LCD as shown in FIG.
The user can specify, for example, color conversion on the color original via the touch panel.

When the registration mode is selected in FIG. 18, the screen shown in FIG. 31 is displayed on the LCD.

Four registrations are possible as a registration menu. The color palette editing is for registering the color of the standard color palette and reading and registering the registered color. The pattern editing is for performing pattern editing when coloring the background. The texture registration is for reading and registering a texture pattern at the time of patterning. The marker editing setting is for setting a standard (default) editing mode for marker editing. As shown in FIG. 32, when an operator presses each button, a screen corresponding to each content is displayed and registration is performed.

FIG. 33 is a flowchart showing a process for displaying the operation screen of the digital color copying machine in the present embodiment. FIG. 34 is a flowchart following FIG.

Referring to the figure, when the apparatus is started, in step S100, an edit menu screen shown in FIG. 18 is displayed. When the user selects a predetermined mode in step S101, branching according to the mode is performed.

When "Registration" is selected, a registration menu shown in FIG. 31 is displayed in step S102, and various setting screens are displayed according to the user's selection as shown in FIG. 32, and registration is performed. It will be.
It is determined in step S103 whether or not a key input has been made. If YES, the process from step S100 is executed again.

On the other hand, when "coloring edit" is selected, the screen shown in FIG. 20 is displayed in step S104, and reading of a document to be colored is started. In step S105, it is determined whether the reading of the document has been completed.
If S, the editing screen shown in FIG. 21 is displayed in step S106, and editing processing by the user is executed. After the end of the editing process, it is determined in step S107 whether or not the print key has been turned on. If YES, the print process is executed in step S108. In step S109, it is determined whether the printing process has been completed. If YES, the process from step S100 is repeatedly executed.

When "marker editing" is selected on the mode selection screen, the screen shown in FIG. 26 is displayed in step S110, and a black and white document with marker processing is read. In step S111, it is determined whether the reading of the document has been completed. If YES, the editing screen shown in FIG. 27 is displayed in step S112, and the user performs an editing process. In step S113, it is determined whether the print key has been turned on after the editing process. If YES, the process proceeds to step S11
At 4, the printing process is executed. Step S11
In 5 it is determined whether the printing process has been completed,
If YES, the process from step S100 is repeatedly executed.

When "color edit" is selected in the edit menu, at step S116 FIG.
Is displayed, and the color original is read. It is determined in step S117 whether the reading of the document has been completed. If YES, the editing screen shown in FIG. 30 is displayed in step S118, and editing processing according to the input from the user is executed. Step S119
It is determined whether or not the print key has been turned on after the editing process. If YES, the printing process is executed in step S120. It is determined in step S121 whether or not the printing process has been completed. If YES, the process from step S100 is repeatedly executed.

When "trimming" is selected in the editing menu, the trimming original is read in step S122. In step S123, it is determined whether the reading of the document has been completed. If YES, a trimming process corresponding to the input from the user is performed in step S124.

In step S125, it is determined whether or not the print key has been turned on. If YES, the print processing is executed in step S126. In step S127, it is determined whether or not the printing process has been completed. If YES, the process from step S100 is repeated.

When "composite" is selected in the edit menu, a document for composition is read in step S128. In step S129, it is determined whether the reading of the document has been completed. If YES, the combining process according to the input from the user is performed in step S130.

In step S131, it is determined whether or not the print key has been turned on. If YES, a print process is executed in step S132. In step S133, it is determined whether the printing process has been completed. If YES, the process from step S100 is repeated.

As described above, according to the copying machine of the present embodiment, first, the result of editing is output before copy output.
Since the operator can confirm on the CD, erroneous copying can be reduced, thereby improving the usability of the apparatus.

Second, the closed data can be used for detecting the closed loop, and the accuracy of detecting the closed loop is improved. Further, for displaying on the LCD, an image as read without performing the closing process can be displayed, and an image which is easy for the operator to see is displayed on the LCD.
It can be displayed on a CD.

Third, since the method of using the memory plane of the LCD display memory is changed according to the reading mode (black / white original / color original), the original read with the best image quality is displayed according to the image to be read. can do.

[Brief description of the drawings]

FIG. 1 is a perspective view of a copying machine according to one embodiment of the present invention.

FIG. 2 is a front sectional view of the copying machine shown in FIG. 1;

FIG. 3 is a block diagram of a screen editor included in the copying machine of FIG. 1;

FIG. 4 is a block diagram of the main body of the copying machine shown in FIG. 1;

FIG. 5 is a block diagram showing a configuration of an editing area designation memory 626.

FIG. 6 is a diagram illustrating a memory configuration of an edit area designation memory.

FIG. 7 is a diagram for explaining a method of using a memory plane of an edit area designation memory.

FIG. 8 is a diagram for explaining a relationship between a document to be read and data stored in a memory.

FIG. 9 shows data recorded in an area designation memory and LC
FIG. 9 is a diagram for explaining a relationship with a screen displayed on D.

FIG. 10 is a block diagram showing a configuration of a closed loop / marker detection / LCD display document memory 620.

FIG. 11 is a diagram for explaining a configuration of a memory 620 in a black-and-white original mode.

FIG. 12 is a diagram illustrating a configuration of a memory plane according to an input document of a memory 620.

FIG. 13 is a flowchart illustrating a memory plane allocation process.

14 is a block diagram illustrating a configuration of a binarization processing unit 628. FIG.

FIG. 15 is a diagram illustrating a closing process.

FIG. 16 is a block diagram showing a configuration of an LCD display color coding / marker color determination processing unit 632;

FIG. 17 is a flowchart showing an operation procedure of the copying machine shown in FIG. 1;

FIG. 18 is a diagram showing a specific example of an edit menu.

FIG. 19 is a diagram for explaining a state where an operator presses each button of the edit menu.

FIG. 20 is a diagram showing a screen when a coloring mode is selected.

FIG. 21 is a diagram illustrating a screen for performing a coloring process on a black-and-white document.

FIG. 22 is a diagram showing an area designation tool.

FIG. 23 is a diagram showing the shape of an R box.

FIG. 24 is a diagram for explaining processing by a trace button;

FIG. 25 is a diagram for explaining processing by a closed loop button;

FIG. 26 is a diagram for describing a screen in a marker editing mode.

FIG. 27 is a diagram for describing a marker editing screen.

FIG. 28 is a diagram showing a marker area designation tool.

FIG. 29 is a diagram showing a screen when a color editing mode is selected.

FIG. 30 is a diagram illustrating a state after a color original has been read.

FIG. 31 is a diagram showing a screen when registration processing is selected.

FIG. 32 is a diagram illustrating a state where the operator has pressed down the touch panel from the state of FIG. 31;

FIG. 33 is a flowchart showing a display routine of an operation screen of the copying machine of FIG. 1;

FIG. 34 is a flowchart following FIG. 33.

[Explanation of symbols]

115 color liquid crystal display 614 touch panel 618 binarization memory 620 closed loop / marker detection / LCD display original memory 628 binarization processing unit 630 border judgment processing unit 632 LCD display color coding / marker color judgment processing unit

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Claims (3)

[Claims] An acquisition unit configured to acquire image data by reading a document image; a first storage unit configured to store the acquired image data as image data to be displayed on a display; An image editing apparatus, comprising: a processing unit configured to process the image data obtained into data for recognizing a closed area provided in the document image; and a second storage unit configured to store the processed data. 2. Editing means for editing the original image based on the processed data, and editing based on an editing result of the editing means and image data stored in the first storage means. The image editing apparatus according to claim 1, further comprising a display unit for displaying a result. 3. The image editing apparatus further comprises a memory, wherein the memory has a first storage area and a second storage area for one address, and wherein the first storage area is the first storage area. 3. The image editing apparatus according to claim 1, further comprising a storage unit, wherein the second storage area includes the second storage unit. 4.