JP2644986B2 - Image information recording device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for transmitting image information and recording received image information, such as a facsimile.

[0002]

2. Description of the Related Art For example, in a facsimile, the recording paper is generally one kind of roll paper, and the paper width is B4 width or A4 width. Therefore, when an image of B4 width is transmitted from an apparatus of B4 width to an apparatus of A4 width, the receiving side cannot record all the images as it is. Therefore, some facsimile machines perform relatively simple processing such as thinning out a part of the data on the transmission side or the reception side, and adjust the size of the image so that the entire image fits on a small recording sheet. I have. However, it is inevitable that the image quality is reduced by such a simple scaling process.

[0003]

Therefore, for example, B
To send a 5-size document without deteriorating the image quality, if the recording paper size on the receiving side is unknown, the transmitting side sets the B5-size document in portrait orientation for safety, You have to send it to enter. In this case, if the recording paper on the receiving side is B4 size, about １ ／ of the recording paper (B4 width−B5 width) is wasted. However, if the B5 size original is transmitted horizontally when the receiving side recording paper is A4 size, the recorded image is reduced or a part of the image is dropped.

For example, in a word processor or the like, a sheet cut in a fixed form is often used as recording paper. When recording image data received by performing data transmission between apparatuses of this type, the transmitting side transmits the image data. If the size and orientation of the image do not match the size and orientation of the sheet set on the receiving side, part of the data may not be recorded.

SUMMARY OF THE INVENTION It is an object of the present invention to minimize a decrease in image quality, to prevent unnecessary consumption of recording paper, and to prevent image data from dropping.

[0006]

[Means for Solving the Problems]

(1) An image information recording apparatus for recording received image information on a recording sheet, comprising: a receiving unit (CMI, BMF) for receiving information indicating the direction of the image information together with the image information; Comparing means (CPU) for comparing the obtained information with the orientation of the recording sheet; converting means (VHC) for converting the orientation of the image information to vertical and horizontal; and storage means for storing the image information
(PGM), when the comparing means determines that the orientation of the image information and the recording sheet do not match, the converting means converts the orientation of the image information to vertical and horizontal, and stores the converted vertical and horizontal image information in the storage means. An image information recording apparatus, wherein the image information is recorded on a recording sheet after being stored in a recording sheet. In addition, in order to facilitate understanding, the symbols of the corresponding elements in the embodiments shown in the drawings and described later are added in the parentheses for reference.

According to this, when the received image information does not match the orientation of the recording sheet, the orientation of the image information is automatically converted to vertical and horizontal, so that the image information enters the area of the recording sheet as it is, or If the area of the received image information is recorded in a reduced size when the area is large, the recording image enters the recording sheet area at a small reduction rate, so that part of the received image information may be omitted from the recording or reduced. This eliminates the possibility that the margin is too large to produce a wide margin on the recording sheet.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION

(2) The image information and the orientation of the recording sheet are compared for each page to be recorded.

(3) There is provided size comparison means for comparing the size information of the image information with the size of the recording sheet, and when the size information received together with the information indicating the direction of the image information is smaller than the size of the recording sheet, Compare the image information and the orientation of the recording sheet. Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

[0010]

FIG. 1 shows one type of image processing apparatus for carrying out the present invention. Briefly, the apparatus shown in FIG. 1 processes image data sent from a communication line and hard copies the image. Referring to FIG. 1, this apparatus includes a central processing unit CPU, a scaling unit SZC, a vertical / horizontal conversion unit VHC,
Storage device BFM, page memory PGM, printer PR
And a communication control device CM1. The communication control device CM1 is connected to another image processing device (device for generating and transmitting image data) (not shown) via the communication control device CM1.

The storage device BFM is a large-capacity storage device and can store image data of about several tens of pages. The page memory PGM is a semiconductor memory having a storage capacity capable of storing one page of image data. In this example, the printer PRT is configured to use cut sheet paper of a fixed size as the recording paper, and the size of the attached recording sheet (B
5, A4, B4, A3, etc.) and orientations (vertical, horizontal). Thus, the size and orientation of the recording sheet can be read by the central processing unit CPU.

The scaling unit SZC performs a process of reducing the image size by thinning out a part of the image data as conventionally performed in a facsimile machine. The vertical / horizontal magnification changing device VHC changes the vertical and horizontal directions of the image by changing the arrangement of each pixel of the image data as described later. The communication control device CM1 performs a process of receiving data from the outside and storing it in the storage device BFM.

FIG. 2 shows the structure of data transmitted via the communication control device CM1. Note that this data is stored in the storage device BMF in its original configuration. Referring to FIG. 2, the transmission data includes a document header and image data. The document header includes information on the data length, the size of each transmitted image, the direction of each image, the total number of pages, and the page pointer indicating the start address of the image data of each page.

FIG. 3 shows a schematic operation of the apparatus shown in FIG. This will be described with reference to FIG. When predetermined data is stored in the storage device BMF via the communication control device CM1, the central processing unit CPU first reads the contents of the document header portion of the storage device BFM. The contents of the document header are checked to read the size and orientation of the image (steps S1 and S2). In the following, the word “step” is omitted in parentheses, and step No.
Only symbols are shown.

Next, information on the size and direction of the recording sheet output by the printer PRT is read (S3).
The read image size is compared with the recording sheet size (S4). If the image size is larger than the recording sheet size, one page of image data in the storage device BFM is read and transferred to the scaling device SZC, and the scaling factor is set in the scaling device SZC. For example, if the image size is A3 and the recording sheet size is B4, the magnification is set to about 0.86. If the image size is B4 and the recording sheet size is A4, the magnification is set to about 0.81. The image data after scaling is stored in the page memory PGM (S10). Further, the orientation of the image is compared with the orientation of the recording sheet (S11).
C, the image data arrangement is changed, and the processed image data is transferred to the page memory PGM (S12).

If the image size is equal to or smaller than the recording sheet size, the image data for one page of the storage device BFM is read, and the image data is transferred to the vertical / horizontal conversion device VHC to change the arrangement of the image data. Data is stored in page memory PGM
(S6).

When predetermined image data corresponding to the size and orientation of the recording sheet is stored in the page memory PGM,
The data is transferred to the printer PRT and a hard copy is made on a recording sheet (S7). The above processing is repeated until recording of image data of all pages is completed (from S8 to S4).

Next, the general operation of the aspect converter VHC will be described. As shown in FIG. 4A, each data Dx, y composed of 8 bits respectively constitutes eight pixels in the horizontal direction, and n pixels in the horizontal direction and m pixels in the vertical direction are arranged.
When the image of the page is composed (in the case of landscape), this image is transformed vertically and horizontally, and as shown in FIG.
An example in which (p = m / 8) pixels are converted to a pixel matrix (vertically long) composed of q (q = 8 × n) 8-bit data Mx, y in the vertical direction will be described.

FIG. 5 shows this conversion procedure. The definition of each symbol shown in FIG. 5 is as follows. sx: Pointer (1 to 1) indicating the horizontal pixel data position of the image data before conversion
8n) sy: Pointer (1 to m) indicating the vertical data position of the image data before conversion BC: Pointer (0 to 8) indicating the bit position being converted dx: of the image data (storage destination) after conversion Pointer (1 to p) indicating horizontal data position dy: Pointer (1 to q) indicating vertical data position of converted image data RX: 8-bit register used during processing Note that before and after conversion The subsequent data positions are represented as D (horizontal and vertical) and M (horizontal and vertical), respectively.

A description will be given with reference to FIGS. First, predetermined values are set to sx, sy, BC, dx, and dy in the initial setting. In this example, since the image data shown in FIG. 4A is rotated clockwise by 90 degrees, the data positions before and after conversion in the initial state are Dm1 and M11, respectively.

First, the converted 8-bit pixel data M11
Generate The 8-bit data corresponds to y =
eight 8-bit data D (y, y,
Each of the seventh bits b7 of 1). Therefore, the pointer BC
Are sequentially changed to 0, 1, 2, 3, 4, 5, 6, 7 and the content of each 8-bit data D (sx, xy-BC) is shifted by one bit toward the upper bit, and as a result, The carry data bit output from the seventh bit before the shift is set to the 0th bit of the register RX (RX is shifted upward including the carry).

When this is completed, the pointer BC becomes 0,
Each of the seventh bits of the pre-conversion data in the case of 1, 2, 3, 4, 5, 6, and 7 corresponds to each of the bits 7, 6,
Set to 5, 4, 3, 2 and 1. The contents of register RX are stored in 8-bit data M (dx, dy) at the position indicated by pointers dx and dy. Then, the pointer BC is cleared to 0, and the pointers dx and sy are moved to the next positions.

When this is repeated p (= m / 8) times, FIG.
4 (a) is vertically and horizontally converted to the pixel data position of the uppermost one line shown in FIG. 4 (b). When sy <0, the pointer sy is returned to m, the pointers dy and sx are moved to the next row and column, and the above processing is repeated. Note that the pointer s
8-bit data D (x, y) before conversion every time x advances by 8
Is updated to the position on the right by one.

When the above processing is repeated until the pointer sx> 8n, the image data shown in FIG. 4A is vertically and horizontally converted into the image data shown in FIG. 4B.

[0025]

As described above, according to the present invention, the direction of the image data is automatically adjusted, and the recording is performed after the recording sheet is processed so that the image to be recorded thereon matches well. All of the transmitted image data can be automatically and efficiently recorded without omission without manually adjusting or replacing the sheet orientation.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one type of image information recording apparatus embodying the present invention.

FIG. 2 is a plan view showing a configuration of transmission data in the device of FIG.

FIG. 3 is a flowchart showing a schematic operation of the apparatus of FIG. 1;

FIGS. 4A and 4B are plan views showing examples of data arrays before and after vertical and horizontal conversion, respectively.

FIG. 5 is a flowchart illustrating an example of a vertical / horizontal conversion procedure.

FIG. 6 is a block diagram illustrating an aspect conversion process.

[Explanation of symbols]

CPU: Central processing unit BF
M: Storage device PGM: Page memory PR
T: Printer SZC: Magnification device VH
C: Aspect conversion device CM1: Communication control device

Claims (3)

(57) [Claims] 1. An image information recording apparatus for recording received image information on a recording sheet, comprising: a receiving unit that receives information indicating a direction of the image information together with the image information; A comparing unit that compares the orientation of the recording sheet; a converting unit that converts the orientation of the image information into portrait and landscape orientations; and a storage unit that stores the image information. If it is determined, the image data is vertically and horizontally converted by the conversion means, and the converted image information is stored in the storage means and then recorded on a recording sheet. 2. The image information recording apparatus according to claim 1, wherein the comparison between the image information and the orientation of the recording sheet is performed for each page to be recorded. And a size comparing unit for comparing size information of the image information with a size of the recording sheet, wherein the size information received together with the information indicating the direction of the image information is smaller than the size of the recording sheet. 2. The image information recording apparatus according to claim 1, wherein the information and the orientation of the recording sheet are compared.