JPH08202856A - Picture processing method - Google Patents

Abstract

PURPOSE: To update display to a desired picture with a simple operation by controlling the display position of a picture in the picture block of a block number in accordance with position information on the stored picture block. CONSTITUTION: An original picture is inputted from a picture input part 101 and is stored in a storage part 103. An area division part 106 analyzes the picture of the designated area of the original picture, divides an area and extracts a sentence and a drawing. A sequencing part 105 sequences indexes and text paragraphs in the area of the sentence which is previously divided by the mutual position relation of the respective areas. A block designation part 107 designates the character area picture block by using a keyboard or a pointing device. When the desired block is selected and it is displayed in an appropriate position on a display screen, the editing of cutting, copying and pasting is executed by using the keyboard or the pointing device against picture information of the block.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image processing method for appropriately displaying a partial image of an input image.

[0002]

2. Description of the Related Art Conventionally, when input images are not collectively displayed and only a part of the image can be displayed, in order to display an image of a desired part, the image is reduced and displayed as a whole input image. Must be displayed, or the operator must search for a desired image while scrolling the displayed image by operating the mouse or the like.

[0003]

However, in the above-mentioned conventional technique, the method of displaying the image in a reduced size makes it difficult to see characters or the like, which are the contents of the image, and the method of scrolling the image requires the operator to change the display screen. The operator has to repeat the scrolling operation while looking at the image, which imposes a heavy burden on the operator and further takes a very long time to display a desired image.

[0004]

In order to solve the above conventional problems, the present invention stores an input image, extracts an image block for each paragraph from the stored input image,
The block number added to the extracted image block is stored in association with the position information of the image block,
An image processing method characterized by controlling the display position of the image of the image block of the block number according to the position information of the image block stored in association with the instructed block number according to the instruction of the selected block number. I will provide a.

In order to solve the above conventional problems, the present invention preferably displays the added block number together with an image block.

In order to solve the above-mentioned conventional problems, the present invention preferably controls so that the image of the image block with the designated block number is displayed so as to be distinguishable from other image blocks.

In order to solve the above conventional problems, the present invention preferably displays the display position of the image of the image block of the block number determined according to the update instruction each time the instruction to update the selected block is input. To control.

In order to solve the above-mentioned conventional problems, in the present invention, preferably, the instruction for updating the selected block is an instruction for adding a block number.

In order to solve the above conventional problems, the present invention preferably sets the instruction for updating the selected block as an instruction for subtracting a block number.

In order to solve the above-mentioned conventional problems, the present invention preferably controls the display position of the image of the image block of the input block number when the block number is input.

In order to solve the above-mentioned conventional problems, in the present invention, preferably, the block number is a number added in the order of connection of sentences.

[0012]

FIG. 8 is a block diagram showing the arrangement of an image processing apparatus according to an embodiment of the present invention.

In FIG. 8, reference numeral 1 is a CP for executing and controlling various processes according to a control program stored in the ROM 2.
U (Central Processing Unit), 2 is a control program of a flow chart described later, a dictionary used for pattern recognition, or a ROM (Read Only Memory) for storing a predetermined parameter used for each process, 3 is A RAM (random access memory) that stores data generated during the execution of each process, an input image, an indicated value, etc., 4 is a scanner that optically reads an image of a document and inputs it as image data, 5 is various character codes And a keyboard (KB) for inputting control commands, 6 is a pointing device (PD) for inputting desired position coordinates on the display screen, position data and area data, and control commands, 7 is image data and document data It is a printer for printing etc., LB
P or an inkjet printer. 8 displays image data, document data, screens in process, icons, etc.
The display is a CRT or a liquid crystal display. Reference numeral 9 is a data bus used for transmitting and receiving data between the respective components.

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

In FIG. 1, reference numeral 101 is an image data input unit for inputting image data input through the scanner 4 or a communication line. Reference numeral 102 denotes an arithmetic processing unit that controls the device and performs arithmetic operations for processing of each unit, and is executed by the CPU. Reference numeral 103 denotes a storage unit such as the ROM 2 and the RAM 3 for storing the control program and various data. An output unit 104, such as the printer 7 and the display 8, outputs the calculation processing result, the image processing result, and the image data. Reference numeral 105 denotes an ordering unit that orders the paragraphs and headings of a sentence by the keyboard 5 and the pointing device 6. 10
Reference numeral 6 denotes an area dividing unit which is executed under the control of the CPU 1 and performs the entire area dividing processing. 107 is the keyboard 5
And a pointing device 6 for specifying a block. Reference numeral 108 denotes a block display unit which is executed under the control of the CPU 1 and performs a process of displaying a designated block at an appropriate position on the display 8.
Reference numeral 109 denotes an instruction from the keyboard 5 or pointing device 6 which is executed under the control of the CPU 1.
This is a block editing unit that performs editing processing such as cutting, copying, and pasting on a designated block. 110
Is a character recognition unit that executes character recognition processing for a designated block, which is executed under the control of the CPU 1.

FIG. 2 is a flow chart showing the image processing in the image processing apparatus of this embodiment. The control program for executing this processing is stored in the storage unit 103.

First, an original image to be processed is input from the image input unit 101 and stored in the storage unit 103 (S20).
1). The stored original image is displayed on the display 8 by the output unit 104 as shown in FIG. 9 and can be confirmed by the operator. On this display, by further designating an area to be processed by a frame 1001 as shown in FIG. 10, only the necessary area can be subjected to the subsequent processing.

Next, the area dividing unit 106 analyzes the image of the specified area of the original image and divides the area to extract sentences, separators, figures, etc. from the image (S202). As the area division method, for example, there is a method disclosed in Japanese Patent Application No. 4-243252.

Next, in the ordering unit 105, S202
The area of the sentence divided by, the mutual positional relationship of each area, the composition of the sentence (analysis of the first or last character of the area)
The headings and body paragraphs are ordered according to (S20).
3). For example, in the case of vertical writing, there is a method of ordering from right to left, and similarly in the vertical direction, from top to bottom. According to these methods, it is possible to determine the number of headings and the order of reading a document consisting of a plurality of paragraphs without any operator's intervention. The result of processing the image of the area designated by the frame 1001 in FIG. 10 is FIG. 11, and the rectangle 1101 represents the area obtained by dividing, and the symbol 1102 indicates the order and the arrow indicating vertical writing or horizontal writing. Is a symbol.

Next, in the block designation section 107, the character area image block is designated using the keyboard or the pointing device 6 (S204). The block designation method will be described in detail below. FIG. 3 shows step S2
It is a detailed flowchart about 04.

The parameters are initialized (S301).
The parameter blkNo is the current block number. The block number is a sequence number added to each block in S203. Parameter blkAll
Is a parameter representing the total number of blocks. a
Is the total number of blocks obtained in S203.

It is determined whether or not there is a selected block (S302). The block selection process is executed by clicking a desired block on the display screen with the pointing device 6. The selected block number is stored in the storage unit 103, and display control such as highlighting a rectangle is performed so that the block can be distinguished from other blocks on the display.

When it is determined that there is a block in the selected state, the current block number n, which is the number of the block in the selected state, is acquired from the storage unit 103, and bl
Substitute for kNo (S303). When it is determined that either the right key or the down key of the direction key is pressed (S305), 1 is added to blkNo (S306). It is determined that any one of the left and right directional keys has been pressed (S3).
In the case of 07), 1 is subtracted from blkNo (S308). The above addition / subtraction keys may be assigned to keys other than the direction keys.

When it is determined that there is no block in the selected state, it is determined that either the right key or the down key of the direction key is pressed (S309), blkNo is incremented by 0 (S310). If it is determined that any one of the left and right arrow keys is pressed (S311), blkNo is set to b.
lkAll is substituted (S312). The above keys may be assigned to keys other than the direction keys. The blkNo value is passed to the block display processing (S304).

The block display unit 108 displays the block designated at an appropriate position on the screen according to the blkNo output in S304, and further displays the block in the selected state. For example, when the screen as shown in FIG. 12 is displayed and the right key is pressed when there is no selected block, the block of “1” is selected and displayed as shown in FIG. Blk if a key is pressed
No is incremented by 1 and the block of "2" is selected and displayed as shown in FIG.

The block display process S205 will be described in detail below with reference to the flowchart of FIG.

FIG. 4 shows the coordinate relationship between the image of the original image stored in the image memory map in the storage unit 103, the block, and the display screen. Rect a rectangular structure
Then, typedef structure {int x; int y; int w; int h;} Rect; x and y represent the upper left vertex coordinates (x, y) of the rectangle, and w and h represent the length of the rectangle in the x direction and the y direction.

The current block number blkNo is acquired from the block selection processing (S601).

As shown in FIG. 4, points (block [n].
x, block [n]. y) is the upper left apex of the block number n. It is determined whether or not the point is on the portion displaying the image, that is, on the image window (S6).
02).

As shown in FIG. 4, points (block [n] .x
+ Block [n]. w, block [n]. y + bl
ock [n]. h) is the lower right apex of the block number n. It is determined whether or not the point is on the portion displaying the image, that is, on the image window (S603).

If either the upper left or lower right vertex of the current block extends beyond the image window,
Process this step. In this step, the upper left vertex of the current block (block [n] .x, blo
ck [n]. y) is the upper left corner (vie) of the image window
w. x, view. Display to move to y).

The current block block [n is set to the selected state (S605).

By executing the processing of S204 and S205 in this way, even if a part 1201 of the original image is enlarged and displayed in the window 1200 as shown in FIG. Can be displayed.

When a desired block is selected and displayed at an appropriate position on the display screen, the image information of the block is edited by using the keyboard 5 or the pointing device 6 such as cutting, copying and pasting. (S206).

If there is a character recognition instruction, step S20.
The character recognition unit 110 performs character recognition processing on the character image in the block selected in S5 and edited in S206. When a plurality of blocks are designated as recognition targets, the text of the recognition result is output in ascending order of block numbers. FIG. 5 shows an image developed on the memory map, an image window portion for displaying the image on the screen, and a character area image block. Then, Example 1 is an example in which the block image is moved by the block display process, displayed in the image window, and the block is brought into the selected state. Example 2 does not move the block because it is in the image window, it is only in the selected state.

As described above, according to this embodiment,
By operating a key such as a direction key, the image blocks can be easily displayed in order and the image of the block can be visually recognized.

(Second Embodiment) FIG. 7 is a flow chart showing a process different from the process shown in the flow chart of FIG. 3 in the block designating method of step S204 of FIG.

A control command for entering the block designation process is input by the keyboard 5 or the pointing device 6, and the block number to be displayed is input by the ten keys. The input value is set to n (S701).

The value n input in step S701 is blk
Substitute for No (S702). Step blkNo
204 block display processing is passed (S703), S205
At, the image of the block is displayed. The structure of the character recognition device in this embodiment is the same as that of the first embodiment shown in FIG.

From the above description, also in this embodiment,
It is possible to obtain the same operation and effect as those of the first embodiment described above.

[0041]

As described above, according to the present invention,
The display can be updated to a desired image with a simple key operation.

As described above, according to the present invention, a desired image can be displayed at an appropriate position with a simple key operation.

As described above, according to the present invention, since the number of the image block divided from the input image is displayed together with the image, it is easy to grasp the number used as an index when designating a desired image block. Become.

As described above, according to the present invention, it becomes easy to distinguish the image of the selected image block from other images.

As described above, according to the present invention, since the selected block is sequentially updated and displayed, it is possible to sequentially confirm a plurality of image blocks.

As described above, according to the present invention, images can be sequentially confirmed in the order of block numbers.

As described above, according to the present invention, it is possible to sequentially confirm images while tracing back the block numbers.

[Brief description of drawings]

FIG. 1 is a block diagram showing a functional configuration of an image processing apparatus according to an embodiment.

FIG. 2 is a flowchart of processing from image input to character recognition.

FIG. 3 is a detailed flowchart of block designation processing.

FIG. 4 is a diagram illustrating a relationship between an input image, a block, and a display window.

FIG. 5 is a diagram illustrating a display position of a designated block.

FIG. 6 is a detailed flowchart of block display processing.

FIG. 7 is a flowchart of a second example of block designation processing.

FIG. 8 is a block diagram showing a configuration of an image processing apparatus according to an embodiment.

FIG. 9 is a diagram showing an image display example of an original document.

FIG. 10 is a diagram showing an example in which a processing target range is specified on the display.

FIG. 11 is a diagram showing an example in which an area is divided and a block number is displayed in each block.

FIG. 12 is a diagram showing an example in which a part of an image is displayed.

FIG. 13 is a diagram showing an example in which an image of an image block of block number 1 is displayed.

FIG. 14 is a diagram showing an example in which an image of an image block of block number 2 is displayed.

FIG. 15 is a diagram showing an example in which an image of an image block of block number 10 is displayed.

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Office reference number FI Technical display location G06F 17/30 9194-5L G06F 15/403 380 A 15/62 330 D

Claims (8)

[Claims] 1. An input image is stored, an image block for each paragraph is extracted from the stored input image, and a block number added to the extracted image block is associated with position information of the image block. The display position of the image of the image block of the block number is controlled according to the position information of the image block stored in association with the instructed block number in accordance with the instruction of the selected block number. Image processing method. 2. The image processing method according to claim 1, wherein the added block number is displayed together with an image block. 3. The image processing method according to claim 1, wherein the image of the image block having the designated block number is controlled so as to be displayed in a manner distinguishable from other image blocks. 4. The display position of the image of the image block having the block number determined according to the update instruction is controlled each time the instruction to update the selected block is input. Image processing method. 5. The image processing method according to claim 4, wherein the instruction to update the selected block is an instruction to add a block number. 6. The image processing method according to claim 4, wherein the instruction to update the selected block is an instruction to subtract a block number. 7. The image processing method according to claim 1, wherein when a block number is input, the display position of the image of the image block having the input block number is controlled. 8. The image processing method according to claim 1, wherein the block number is a number added in the order of connection of sentences.