JP3539079B2 - Image editing device - Google Patents

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 which displays a read original and allows a user to edit the displayed content.

[0002]

2. Description of the Related Art Japanese Unexamined Patent Publication No.
As disclosed in Japanese Patent Publication No. 223783, a method has been proposed in which data for recognizing a closed area is read from a document and 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 the closed area, which indicates whether or not the recognition of the closed area has been surely performed, 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]

To achieve the above object, according to one aspect of the present invention, an image editing apparatus comprises: an acquisition circuit for acquiring image data by reading an original image; and a display circuit for displaying the acquired image data. A first storage circuit that stores the image data as image data to be displayed on a document, a processing circuit that processes the acquired image data into data for recognizing a closed region provided in the document image, and stores the processed data. And a second storage circuit. Also the image
The editing device edits the original image based on the processed data.
Editing circuit for performing the editing, the editing result of the editing circuit, and the first
Editing and editing based on the image data stored in the storage circuit
A display circuit for displaying the result.

[0007]

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 the storage circuit described above, the read original can be displayed on the display in an easily understandable manner. Further, 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 for displaying 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) Image Reader Unit 30 The image reader unit 30 includes a document table 31 on which documents are stacked, and a scanner 32 for performing exposure scanning of the documents.
An image sensor (CCD) 201 for detecting reflected light 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 unit 20 The printer unit 20 is roughly composed of an image forming unit, a developing unit, and a sheet processing unit. 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; A developing unit motor 61 for moving the developing unit 6 in the vertical direction.

(C) Sheet Processing Unit The sheet 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. . Thereafter, the toner images on the photosensitive drum 4 are sequentially (up to 4 toner images) on the paper.
Color) is transferred.

The transferred paper 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 adsorption charge 11 for electrostatically adsorbing 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 is completed (for full-color development) In this case, after the transfer of the toner images for four colors is completed), static elimination charges 16 and 17 for static elimination of the transfer drum to separate the paper and a separation claw 18 for separating the paper from the transfer drum are arranged. Is established.

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

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 sheet 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 performed when the sheet fed from the intermediate storage unit 50 is conveyed again to the transfer drum, and the image is transferred to the same surface as the sheet on which printing has already been performed. 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 and printer 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 shown 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 drawings.

Referring to FIG. 3, the screen editor includes the following. (A) Binary memory for image synthesis (618) This memory stores a binary 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 LCDC color pallet input data for LCD display.
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 closed loop / marker point position / marker closed loop of the original 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 original and a background gradation process for a black-and-white original 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 unit (628) At the time of preliminary scanning, a simple binarized output of the brightness signal (Y) is written from the original input data into the binarization memory 618 for image synthesis. At the time of image reproduction scanning, a simple binary 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, when the preliminary scan is performed, 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 LCD display document / 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 in 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 at the time of preliminary scanning is converted into 4d in the main scanning direction.
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 section (636) At the time of preliminary scanning, a part (128 ×
The 256-dot) brightness signal (Y) is written into 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 generator (designated color patterning function).

The color discrimination unit 638 implements a ROM table for color discrimination polar coordinate conversion. (L) Replacement color data generation unit (640) Outputs image data replaced by color conversion and border editing instruction information of the image data of the area designated from the editing area signal. 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 part and an image inside the edge into different designated 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 determination processing unit, a color determination processing unit, and a replacement data generation processing unit. The attribute signals output to the copier 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 a program for the CPU.

(S) Work RAM (606) This is a RAM for work / stack 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 an image reader; and a copier processing unit 102
Processing unit 106 that processes signals output from
Printer 10 for printing an output signal of an 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 copying machine processing unit 102 receives image data from the image reader 30, 8-bit image data 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 binary signal of 1 bit for black and white and 3 bits for color (R, G, B, C, M, Y) in a document to 100 dots.
This memory also functions as a closed loop marker detection memory. Also, 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 editing 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. Edit 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 document includes a non-colored document and a document in which the user has designated an area with a color marker in order to edit a non-colored black-and-white document. The color original is, for example, an original such as a photograph. The 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 number indicated by bit 0 and bit 1 is “0”, watermark synthesis is performed. When the number is “1”, insertion / character synthesis is performed. When the number is “2”, image erase 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. Referring 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.
In No. 1, data of only the monochrome 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 directly displaying the figure drawn by the marker 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 (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 colored 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.

For example, it is assumed 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.

Further, bit 4 of the area designation memory includes
The area of (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 unit and an LCD display color coding processing unit.

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

The 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 monochrome 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 and a black-and-white + color original are read, all the planes are planes for recording data for display 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 original is input, the memory planes of bits 4 to 7 are used as gray scale data for displaying the black and white original, 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 well. Therefore, as the data of the plane of bit 0, data obtained by performing a closing process on 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 monochrome / 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 color tone of the input color document is recorded in the memory after being reduced to a color tone that can be expressed by the LCD display code.

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 the mode for processing a black-and-white document is selected (YES in S1), a memory plane is allocated for the 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 binarized 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 section 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
A FIFO memory 6285 used for thickening processing,
And a FIFO memory 6286 used for the thinning process.

The binarization processing unit 6283 receives 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 writing 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 processing 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). If even one of the 3 × 3 pixels has a white pixel, the process is a process of narrowing the pixel of interest 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 in the closed loop is performed.

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

This processing unit 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 into 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 coding / marker color determination from input image data, and LCD display data coding / 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 write 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 original color color coding method will be described below.

The determination of the marker color is executed by referring to the ROM table with the input image data of V, Cr, Cb thinned out by 1/4 as the 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 and 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 contents of the selected menu, and the contents are displayed on the screen editor (S11). Looking at the displayed original content, the operator sets the editing content 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 for coloring a character or background on a black-and-white original.

[0139] Marker editing is for coloring a black-and-white document whose area has been designated with a marker pen, for example, in that 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 original.

The trimming edit is for trimming a part of a color or black-and-white original.

Synthetic editing is a synthesizing process for fitting a color original into a black-and-white original. It is also possible to color a monochrome document.

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 editing is selected.
0 is shown. The user sets the black-and-white original to be colored according to the displayed message, and then reads the key (bottom right of the screen)
Press. Then, the black and white manuscript is read, and LC
D displays the document image. In this state, by coloring the document 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 target area to a rounded rectangle designated by two points, a start point and an end point in a pen drag operation. Figure 23 shows the shape of the round rectangle.
Shown in The trace button is a button having a free-form area closed at a start point and an 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, an area surrounded by a black frame is extracted as a basic process, 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 contents shown in FIG. 26, the operator sets the marker-processed black and white manuscript 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 to be edited 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 a 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 original or a mixed color + black and white original 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 for 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.

As a registration menu, four registrations are possible. 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 up, 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 the 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 edit" 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 editing processing by the user is performed. 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 processes from step S100 are repeatedly executed.

When "color edit" is selected in the edit menu, the process proceeds to step S116 in FIG.
Is displayed, and the color original is read. In step S117, it is determined 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
Then, it is determined whether or not the print key is turned on after the editing process. If YES, the print 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 performed.

When "trimming" is selected in the editing menu, a 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.

It is determined in step S125 whether or not the print key has been turned on. If YES, the printing process 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, an original 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, the printing 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 set to L 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 data subjected to the closing processing 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.
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 for explaining a memory configuration of an edit area designation memory;

FIG. 7 is a diagram for explaining how to use 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. 14 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 illustrating a configuration of a memory 620 in a black-and-white original mode.

FIG. 12 is a diagram for explaining 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.

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

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 of FIG. 1;

FIG. 18 is a diagram illustrating 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 for describing 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 illustrating 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 a registration process 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 determination processing unit 632 LCD display color coding / marker color determination processing unit

Claims (2)

(57) [Claims] An acquisition unit that acquires image data by reading a document image; a first storage unit that stores the acquired image data as image data to be displayed on a display; the image data, and processing means for processing the data for recognizing a closed region et al are provided in the original image, a second storage means for storing the processed data, based on the processed data Edit the original image
Editing means for performing the editing, the editing result of the editing means, and the editing result stored in the first storage means.
Display that displays the editing result based on the edited image data
An image editing device comprising: 2. 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. The image editing apparatus according to claim 1, wherein the second storage area includes the second storage unit.