JP3369599B2 - Embroidery sewing data creation 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 device for creating embroidery stitch data, and more particularly to a device for creating embroidery stitch data capable of creating stitch data in which original image data is enlarged to the same extent as an embroidery frame.

[0002]

2. Description of the Related Art Conventionally, an original image pattern drawn on a blank paper is read by an image scanner, converted into binary data of "0" and "1", and the binary data is converted into embroidery sewing data. A device has been proposed and a patent application has been filed (Japanese Patent Application No. 2-250101).

The schematic structure will be described with reference to FIG.

In the drawing, reference numeral 20 is an image scanner as an example of an image input device, and a reading start button 22 is provided on the side surface thereof. The image scanner 20 is electrically and mechanically connected to the image-to-stitch data conversion device 24 by a dedicated cable 21 and a plug 23.

The image-to-seam data conversion device 2
4, a display unit 25, an operation key unit 26 as an example of operating means, a card writer unit 27 for writing data in the RAM card 18, and the like are provided.

Reference numeral 30 is a sheet on which an original image pattern is written. A white paper is preferably used as the paper 30, and an original pattern such as a character and a picture having a line width of 1 mm or more is drawn on the paper with a black pen or the like.

Next, the operation of the stitch data creating device will be described. When the image scanner 20 is moved in the Y direction with the read start button 22 being pressed, the original image pattern is read as binary data and stored in a memory (not shown) of the image-to-stitch data conversion device 24. .

The image → seam data conversion device 24 converts the binary data stored in the memory into seam data. The converted stitch data is stored in the RAM card 18 via the card writer 27.

[0009]

The conventional embroidery stitch data creating device operates to convert the image data read by the image scanner 20 into the stitch data as it is, that is, at the same size. . Therefore, when trying to embroider a pattern larger than the original pattern, it was necessary to prepare an original pattern of a desired size and an image scanner of a size capable of reading the original pattern.

For example, when an embroidery frame having the same size as the embroidery frame is to be embroidered, an original image pattern having the same size as the embroidery frame and, if the embroidery frame has a rectangular shape, an image having a size similar to one side thereof The problem is that a scanner is required, the apparatus becomes very expensive, and it is practically impossible to carry out.

Also, as a conventional technique, there is a technique for enlarging the created stitch data.
There is a problem that the roughness of the seam changes, and an attempt to deal with this problem requires a complicated calculation.

An object of the present invention is to eliminate the above-mentioned problems of the prior art, and to use an existing image scanner to create stitch data of the same size as an embroidery frame. To provide.

[0013]

In order to achieve the above object, the present invention provides embroidery frame size input means for inputting the size of an embroidery frame and an effective frame for holding effective frame size data of the embroidery frame. Based on the size data holding means and the effective frame size data, the maximum enlargement ratio of each of the X and Y directions of the image data is calculated, and the smaller enlargement ratio is determined as the enlargement ratio of the image data. Is provided with an enlarging processing means for enlarging, a stitch data generating means for generating stitch data from the enlarged image data subjected to the enlarging processing, and an external storage means for storing the stitch data.

[0014]

According to the present invention, the enlarging processing means calculates the maximum enlarging ratio in each of the X and Y directions of the image data based on the effective frame size data, and enlarging the smaller enlarging ratio of the image data. Determine as a rate and expand. Next, the stitch data generating means generates stitch data from the enlarged image data.

Therefore, even with the conventional small-sized image scanner, it is possible to obtain the stitch data enlarged to substantially the same size as the embroidery frame.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the drawings. The present invention focuses on the fact that the resolution of the image input device is finer than the interval of general stitch data, and the configuration of the present invention will be described below.

FIG. 2 is a block diagram showing a hardware configuration of the embroidery sewing data creation device of the present invention, and 20 is an original image 30.
An image reading device for reading the image, a central processing unit (hereinafter, CPU) 40 for controlling the operation of the embroidery sewing data creation device,
Reference numeral 41 is an image data storage means for storing the image data read by the image reading device 20, 42 is a program storage means for storing an operation program of the embroidery sewing data creation device (including the enlargement processing program of the present invention), and 43 is It is an external storage means. The external storage means 43 is, for example, a RAM
Composed of cards.

Reference numeral 44 is a display unit control means, and 25 is a liquid crystal display unit. The liquid crystal display unit 25 displays the operation sequence for instructing the operator, the original image pattern read by the image reading device 20, and the like.

Next, the embroidery sewing data of the first embodiment of the present invention.
The function of the data creating device will be described with reference to the functional block diagram of FIG.

In FIG. 1, 50 is an embroidery frame size input means for inputting an embroidery frame size, and 51 is an effective frame size data holding means for holding effective frame size data. A ROM, for example, can be used as the effective frame size data holding means 51. In the ROM, the size (size) of each embroidery frame input from the embroidery frame size input means 50, the movement range of the device for driving the embroidery frame in the X and Y directions,
Alternatively, effective frame size data corresponding to the specifications of the embroidery sewing machine is held.

Reference numeral 52a indicates the data from the effective frame size data holding means 51, and the data storage means 41.
Enlargement processing means for enlarging the image data from to the data of the maximum effective range, 53 is a display data generating means, and 54 is a stitch data generating means.

First, when the original image pattern is read by the image reading device 20, the read image data is stored in the image data storage means 41.

Next, the enlarging processing means 52a maximizes the image data stored in the image data storage means 41 based on the effective frame size data held in the effective frame size data holding means 51. Enlargement processing is performed within the effective range to generate enlarged image data (maximum data). The magnified image data magnified by the magnifying unit 52a is input to the display data generating unit 53 and the stitch data generating unit 54. The display data generating means 53 compresses the image data to generate display data. on the other hand,
The seam data generating means 54 generates seam data from the enlarged image data. The generated display data and stitch data are stored in the external storage means 43.

Next, the operation of enlarging the image data of the present invention will be described in detail with reference to FIGS. Figure 3
FIG. 6 shows a flowchart for explaining a series of operations for enlarging the image data of the present invention. Further, FIG. 4 shows Xd values and Yd values indicating the widths of the image data 10a in the X and Y directions.
It is an explanatory view of effective frame size data Xu and Yu.

First, in step S1, it is determined whether image data has been input. When it is determined that the image data has been input (Yes in step S1), the process proceeds to step S2, and when it is not input (step S1).
1 is denied), wait until input.

Next, in step S2, it is determined whether or not the size data of the embroidery frame has been input. When the size data of the embroidery frame is input from the embroidery frame size input means 50 (Yes in step S2), the process proceeds to step S3.

In step S3, the maximum X of image data is
An Xd value indicating the width of the image data in the X direction is calculated from the data and the minimum X data. Next, in step S4, a Yd value indicating the width of the image data in the Y direction is calculated from the maximum Y data and the minimum Y data of the image data, and then the process proceeds to step S5. An example of the Xd value and the Yd value of the image data 10a is shown in FIG.

In step S5, the effective frame sizes Xu and Yu corresponding to the size of the embroidery frame are read from the effective frame size data holding means 51. Here, the effective frame sizes Xu and Yu are, as shown in FIG.
It is slightly smaller than the size of 1 and is a size that guarantees that the needle does not come into contact with the embroidery frame 11 and be damaged.

At step S6, the steps S3 and S4 are performed.
And the image data Xd and Yd calculated in step S5.
The enlargement ratios in the X and Y directions are calculated from the effective frame sizes Xu and Yu read in. Here, the enlargement ratio in the X and Y directions is
Each is as follows.

X enlargement ratio = Xu / Xd Y enlargement ratio = Yu / Yd In step S7, the magnitudes of the X enlargement ratio and the Y enlargement ratio calculated in step S6 are compared. When the X enlargement ratio is larger (Yes in step S7), the process proceeds to step S8 and Y
When the enlargement ratio is larger (No at step S7), the process proceeds to step S9.

In steps S8 and S9, the process of setting the reference enlargement ratio is performed. That is, in step S8, Y
The enlargement ratio is set as the reference enlargement ratio, and the X enlargement ratio is set as the reference enlargement ratio in step S9.

When the setting of the reference enlargement ratio is completed, step S
In step 10, the image data is enlarged by the reference enlargement ratio set in step S8 or 9.

It will be apparent that the above-described image data enlargement processing enlarges the image data at the enlargement ratio of the smaller X, Y enlargement ratio. For example, in the case of the image data 10a of FIG. 4, since the X enlargement ratio> Y enlargement ratio, it is enlarged at the Y enlargement ratio, and as shown in 10b of FIG. 5, the effective frame size in the Y direction is full. Image data is obtained.

As is clear from the above description, according to the present embodiment, the original image pattern is read by the conventional small-sized image reading apparatus 20 to obtain the stitch data substantially expanded to the full size of the embroidery frame. You can expect the effect that you can.

Next, the embroidery sewing data of the second embodiment of the present invention.
The function of the data creating device will be described with reference to the functional block diagram of FIG. 6 and FIG.

In FIG. 6, reference numeral 55 is a code giving means for giving a code to the data from the display data generating means 53 and the stitch data generating means 54.

The enlargement processing means 52b of this embodiment sequentially and automatically produces the same enlarged image data as described in the first embodiment and non-enlarged equal-magnification image data (standard data).

The magnified image data magnified to the maximum effective range by the magnifying processing means 52b and the same-magnification image data are sequentially input to the display data generating means 53 and the stitch data generating means 54. The display data generating means 53 compresses the image data to generate display data. On the other hand, the stitch data generating means 54 sequentially generates stitch data of the same size as the enlargement from the image data. The generated display data and stitch data are input to the code giving means 55.

The code assigning means 55 assigns a code for distinguishing whether the data from the display data generating means 53 and the stitch data generating means 54 is magnified or equal size. Then, in the external storage means 43,
The code is stored with the display data and the stitch data. FIG. 7 is a conceptual diagram of codes, display data and stitch data stored in the external storage means 43,
Code 1 indicates enlargement (maximum) and code 2 indicates equal magnification (standard).

According to the present embodiment, it is possible to automatically obtain both the stitch data which is enlarged to substantially fill the embroidery frame and the stitch data of the same size.

Next, the embroidery sewing data of the third embodiment of the present invention.
The function of the data creating device will be described with reference to the functional block diagram of FIG.

In FIG. 8, reference numeral 56 denotes an enlargement / equal magnification selection means operated by the user. The enlargement / equal magnification selection means 56 allows the user to arbitrarily select enlargement and equal magnification. The enlargement / equal magnification selection means 56 is, for example, as shown in FIG.
It can be assigned to one of the keys of the operation means 26.

When enlargement (maximum) is selected by the enlargement / equal magnification selection means 56, the enlargement processing means 52c produces and outputs enlarged image data which has been enlarged in the maximum effective range of the embroidery frame. On the other hand, when the same size (standard) is selected, the enlargement processing unit 52c outputs the input image data as it is without performing any enlargement processing.

The output from the enlargement processing means 52c is inputted to the display data generating means 53 and the stitch data generating means 54, and the display data is generated from the former,
Seam data is generated from the latter. The data generated by the display data generating means 53 and the stitch data generating means 54 are stored in the external storage means 43.

According to the present embodiment, it is possible to create the stitch data selected by the user from the stitch data of the enlarged / actual size and store it in the external storage means 43.

[0046]

As is apparent from the above description, according to the present invention, an original image pattern smaller than the embroidery frame is read by an image scanner of a conventionally used size, so that the seam of almost the size of the embroidery frame is read. The effect is that data can be obtained. Further, there is an effect that both the stitch data expanded to fill the embroidery frame and the stitch data of the same size can be automatically obtained. Further, there is an effect that only the stitch data selected by the user can be obtained.

[Brief description of drawings]

FIG. 1 is a functional block diagram showing functions of an embroidery sewing data creation device according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing a hardware configuration of an embroidery sewing data creation device of the present invention.

FIG. 3 is a flowchart for explaining a series of operations for enlarging the image data according to the first embodiment.

FIG. 4 is an explanatory diagram of widths of image data in X and Y directions and effective sizes of embroidery frames.

FIG. 5 is a pictorial view of image data enlarged by the enlargement ratio set in the first embodiment.

FIG. 6 is a functional block diagram showing the functions of the embroidery sewing data creation device of the second embodiment.

FIG. 7 is a conceptual diagram of codes, display data and stitch data stored in an external storage means in the second embodiment.

FIG. 8 is a functional block diagram showing functions of the embroidery sewing data creation device of the third embodiment.

FIG. 9 is an external perspective view of a conventional embroidery sewing data creation device.

[Explanation of symbols]

10a ... Image data, 10b ... Enlarged image data, 11 ...
Embroidery frame, 20 ... Image reading device, 26 ... Operating means, 41 ...
Image data storage means, 43 ... External storage means, 50 ... Embroidery frame size input means, 51 ... Effective frame size data holding means, 52 ... Enlargement processing means, 53 ... Display data generation means,
54 ... Stitch data generating means, 55 ... Code assigning means,
56 ... Enlargement / actual size selection means

Front Page Continuation (72) Inventor Hidechika Kuramoto 1463 Asama-cho, Hachioji-shi, Tokyo Within Janome Sewing Machine Co., Ltd. (72) Inventor Haruhiko Tanaka 1463, Hazama-cho, Hachioji, Tokyo Inside Mechanic Co., Ltd. (56) References JP-A-3-184588 (JP, A) JP-A-3-146758 (JP, A) JP-A-63-267387 (JP, A) JP-A-4-117990 (JP, A) JP-A-4 -129585 (JP, A) JP-A-2-45086 (JP, A) JP-A-4-51990 (JP, A) JP-A-4-114692 (JP, A) JP-A-4-109990 (JP, A) ) JP-A-4-266789 (JP, A) JP-A-3-295589 (JP, A) JP-A-3-121093 (JP, A) JP-A-5-124550 (JP, A) Actual development 63- 196668 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) D05B 19/00-21/00

Claims (3)

(57) [Claims] 1. An embroidery sewing data creation device for converting input image data into embroidery sewing data, wherein an image data having a reading range different in size from the embroidery frame is used.
Input means, embroidery frame size input means for inputting the size of the embroidery frame, effective frame size data holding means for holding the effective frame size data of a predetermined embroidery frame, and the embroidery frame size input means. Effective frame size data is read corresponding to the input embroidery frame size, and based on the effective frame size data, from the image data input means.
Enlargement processing means for enlarging the image data by calculating maximum enlargement ratios of the input image data in the X and Y directions, determining the smaller enlargement ratio as the enlargement ratio of the image data, and the enlarged image. Stitch data generating means for generating stitch data from the data, and the embroidery generated by the stitch data generating means
An embroidery stitch data creation device comprising: an external storage unit that stores stitch data of a size corresponding to a frame size . 2. The embroidery sewing data creation device according to claim 1, wherein the enlargement processing unit automatically generates both image data obtained by enlarging the image data at the enlargement ratio and image data of equal size. Thus, the embroidery stitch data creation device is characterized in that the stitch data generation means generates stitch data from the image data output by the enlargement processing means. 3. An embroidery sewing data creating apparatus for converting input image data into embroidery sewing data, wherein an image data having a reading range of a size different from that of the embroidery frame.
Input means, embroidery frame size input means for inputting the size of the embroidery frame, effective frame size data holding means for holding the effective frame size data of a predetermined embroidery frame, and user-selectable enlargement -Equal size selection means and effective frame size data corresponding to the embroidery frame size input by the embroidery frame size input means are read out, and based on the effective frame size data, from the image data input means.
The maximum enlargement ratio of the input image data in each of the X and Y directions is calculated, the smaller enlargement ratio is determined as the enlargement ratio of the image data, and the enlarged image data obtained by enlarging the image data, or the like. Enlargement processing means for outputting doubled image data in accordance with selection by the enlargement / equal magnification processing means, stitch data generation means for generating stitch data from the image data output from the enlargement processing means, and the stitch data generation means The embroidery generated by
An embroidery stitch data creation device comprising: an external storage unit that stores stitch data of a size corresponding to a frame size .