JP3369600B2 - 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 in particular, stitch data obtained by enlarging original image data to the same extent as an embroidery frame and m / n (n = n) of the stitch data.
1, 2, 3, ...; m = 1, 2, 3, ...; n> m) The present invention relates to an embroidery stitch data creation device capable of creating stitch data of a size twice as large.

[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 configuration 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 embroidery sewing data creation 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 into the stitch data as it is, that is, at the same size. Therefore, when attempting to embroider a pattern of a plurality of sizes larger than the original pattern, it is necessary to prepare an original pattern of a plurality of sizes and an image scanner of a size capable of reading the maximum original pattern. there were.

For example, the same level as the embroidery frame and 3/4 of this
When an embroidery of a double size is to be embroidered, the original image pattern is about the same size as the embroidery frame and 3/4 times the size of the embroidery frame. Was required, the device was very expensive, and it was 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.

The object of the present invention is to eliminate the above-mentioned problems of the prior art, and to use an existing image scanner, to the same extent as an embroidery frame and its m / n (n = 1, 2, 3 ...; m). =
An object of the present invention is to provide an embroidery stitch data creating device capable of creating stitch data of 1, 2, 3, ...;

[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. Both the enlargement processing means for enlarging the enlargement processing, the reduction processing means for reducing the enlarged enlargement image data by a plurality of fixed portions, and both the enlargement and reduction processed enlargement / reduction image data are automatically generated in the stitch data. Stitch data generating means, a code assigning means for assigning a code for storing the stitch data generated by the stitch data generating means in a distinguishable manner, and a stitch to which the code is attached. Characterized in that comprising an external storage means for storing eye 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 the rate and obtain the enlarged image data. Then, both the enlarged image data for reducing the enlarged image data subjected to the enlargement processing by the reduction processing means by a plurality of fixed magnifications and the reduced image data reduced for a plurality of magnifications are the stitch data. The stitch data is automatically generated by the generating means and stored in the external storage means.

Therefore, even when the conventional small-sized image scanner is used, the stitch data enlarged to substantially the same size as the embroidery frame and m / n (n = 1, 2, 3 ...;
It is possible to obtain stitch data having a size of m = 1, 2, 3, ...; N> m) times.

[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 expansion / contraction 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 function of the embroidery sewing data creating apparatus according to the first embodiment of the present invention 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. Reference numeral 55 is a code adding means for adding a code to the data from the display data generating means 53 and the stitch data generating means 54. Reference numeral 56 denotes m / n the enlarged image data from the enlargement processing means 52a.
(N = 1,2,3 ...; m = 1,2,3, ...; n> m) times reduction processing 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 frame range to generate enlarged image data (maximum data). Also,
The reduction processing means 56 performs reduction processing to a fixed magnification of ⅔ and ⅓ of the enlarged image data to generate reduced image data. Here, in the present embodiment, the reduced size data is fixed to 2/3 times and 1/3 times the enlarged image data, but the present invention is not limited to this, and is 3/4 times, 1/2 times,
It may be fixed at 1/4 times. Further, the magnification may be fixed to a magnification other than those mentioned above.

The enlarged image data and the reduced image data are sequentially input to the display data generating means 53 and the stitch data generating means 54. The display data generating means 5
3 compresses the image data to generate display data. On the other hand, the stitch data generating means 54 generates stitch data from the enlarged image data and the reduced image data. The generated display data and stitch data are input to the code giving means 55.

The operation of the stitch data generating means 54 is described in, for example, Japanese Patent Laid-Open No. 4-109990 and Japanese Patent Laid-Open No. 4-10990.
It is publicly known as described in JP-A-114692.

The code assigning means 55 is a code for distinguishing whether the data from the display data generating means 53 and the stitch data generating means 54 is enlarged, ⅔ times or ⅓ times. Is given. Then, the code is stored in the external storage means 43 together with the display data and the stitch data.

FIG. 6 is a conceptual diagram of the data stored in the external storage means 43, and it can be understood that the code, the display data and the stitch data are stored as one set.

Next, the operation of enlarging the image data of the present invention will be described in detail with reference to FIGS. 3, 4 and 5.
FIG. 3 shows a flow chart for explaining a series of operations for enlarging the image data of the present invention. In addition, FIG. 4 shows Xd values and Yd indicating the widths of the image data 10a in the X and Y directions.
It is an explanatory view of a value and effective frame size data Xu and Yu. FIG. 5 is an explanatory diagram of enlarged image data 10b obtained by enlarging the image data 10a to the full effective frame size.

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 the 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.

In step S6, the steps S3, 4
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 expansion rate 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.

Next, the reduction processing means 56 reduces the image data of the full effective frame size enlarged by the enlargement processing means 52a to, for example, 2/3 times or 1/3 times. Since the method is a well-known fact, its explanation is omitted.

As is apparent from the above description, according to the present embodiment, the seam data which is enlarged to substantially fill the embroidery frame by reading the original image pattern by the conventional small-sized image reading device 20, and the second data It is possible to automatically obtain the respective stitch data of the reduced size of ⅓ and ⅓. Needless to say, stitch data of the same size as the original image data (same-size stitch data) may be automatically obtained in addition to the stitch data of each size described above.

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

In FIG. 7, numeral 57 is a size selecting means operated by the user. The size selection means 57
Enlarged image data that fills the effective frame, 2/3 times as much, 1 /
The size selecting means 57 is a means for selecting one of the three times reduced image data and the same size image data having the same size as the original image pattern, and the size selecting means 57 allows the user to select any one of the four sizes of image data. You can choose one.
The size selection by the size selection means 57 is as follows.
It is not limited to this as in the first embodiment. The size selecting means 57 can be assigned to one of the keys of the operating means 26 of FIG. 8, for example.

When enlargement (maximum) is selected by the size selecting means 57, the enlargement processing means 52b outputs the enlarged image data which has been enlarged in the maximum effective range of the embroidery frame. Next, when 2/3 times or 1/3 times is selected, the reduction processing means 56 reduces the enlarged image data to the magnification selected by the size selection means 57 and outputs it. When the same size (standard) is selected, the enlargement processing means 52b outputs the input image data as it is without performing any enlargement processing.

The image data of the size selected by the size selecting means 57 is input to the display data generating means 53 and the stitch data generating means 54. The display data generating means 53 and the stitch data generating means 54 are
Similar to the embodiment, display data and stitch data are generated and output to the external storage means 43. The external storage means 43 stores the input display data and stitch data.

As is apparent from the above description, according to the present embodiment, the stitch data expanded to substantially fill the embroidery frame,
It is possible to create the stitch data of the size selected by the user from the stitch data of 2/3 times and 1/3 times the size and the stitch data of the same size and store it in the external storage means 43.

[0045]

As is apparent from the above description, according to the present invention, the original image pattern smaller than the embroidery frame is read by the image scanner of the size conventionally used, so that the size of the embroidery frame is almost full. Seam data and m / n of the embroidery frame (n = 1, 2, 3 ...; m = 1, 2, 3, ...;
There is an effect that both the stitch data of n> m) times can be automatically obtained. Further, there is an effect that only the stitch data of the size arbitrarily 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 conceptual diagram of codes, display data and stitch data stored in an external storage means in the first embodiment.

FIG. 7 is a functional block diagram showing functions of the embroidery sewing data creation device of the second embodiment.

FIG. 8 is an external perspective view of a conventional embroidery sewing data creation device.

[Explanation of symbols]

10 ... Image data, 11 ... Embroidery frame, 20 ... Image reading device, 26 ... Operation means, 41 ... Image data storage means, 43
... external storage means, 50 ... embroidery frame size input means, 51 ...
Valid frame size data holding means, 52 ... Enlargement processing means, 5
3 ... Display data generating means, 54 ... Seam data generating means, 55 ... Code assigning means, 56 ... Reduction processing means, 57
... Size selection means

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Hidechika Kuramoto, Inventor Hidechika Kuramoto, 1463 Asama-cho, Hachioji-shi, Tokyo Within Jamome Sewing Industry Co., Ltd. (72) Hariko Tanaka, 1463, Sakuma-cho, Hachioji-shi, Tokyo Within Jamome Sewing Industry Co., Ltd. (56) References JP-A-3-184588 (JP, A) JP-A-3-146758 (JP, A) JP-A-4-117990 (JP, A) JP-A-3-60692 (JP, A) Kai 63-267387 (JP, A) JP 4-129585 (JP, A) JP 2-45086 (JP, A) JP 4-51990 (JP, A) JP 4-114692 ( JP, A) JP 4-109990 (JP, A) JP 4-266789 (JP, A) JP 3-295589 (JP, A) JP 3-121093 (JP, A) JP Flat 5-124550 (JP, A) Actually opened Sho 63-196668 (J , U) (58) investigated the field (Int.Cl. ^7, DB name) D05B 19/00 - 21/00

Claims (5)

(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 The effective frame size data corresponding to the embroidery frame size input by is read, the maximum enlargement ratios of the image data in the X and Y directions are calculated based on the effective frame size data, and the smaller enlargement ratio is calculated. Enlargement processing means for determining the enlargement ratio of image data to enlarge the image data; reduction processing means for reducing the enlarged image data enlarged by the enlargement processing means at a plurality of fixed magnifications; A stitch data generation means for automatically generating both the enlargement / reduction image data output from the enlargement processing means and the enlargement / reduction image data output from the reduction processing means, and the stitch data generation means. Generated by means, said embroidery
A code providing unit for providing a code for distinguishably storing the stitch data corresponding to the frame size , and an external storage unit for storing the stitch data provided with the code by the code providing unit are provided. An embroidery sewing data creation device characterized by the above. 2. 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 user selects the scaling factor. Size selection means and the effective frame size data corresponding to the embroidery frame size input by the embroidery frame size input means, and the maximum enlargement of the image data in the X and Y directions based on the effective frame size data. A ratio is calculated, the smaller one is determined as the enlargement ratio of the image data, and the enlargement processing unit enlarges the image data, and when the size selection unit selects the enlargement processing unit, the enlargement processing unit enlarges the image data. Reduction processing means for reducing the enlarged image data to the selected size, and stitches from the image data of the size selected by the size selecting means. And stitch data generating means for generating over data, generated by the stitch data generating means, the puncturing
An embroidery stitch data creation device, comprising: an external storage unit that stores stitch data of a size corresponding to a stitch frame size . 3. The embroidery sewing data creation device according to claim 2, wherein the size selection means is one of a plurality of predetermined fixed magnifications selected by the user. 4. The embroidery sewing data creation device according to claim 3, wherein the magnification selected by the user includes the same size as the original image. 5. The embroidery sewing data creation device according to claim 1, wherein display data is generated based on the input image data and is stored together with the stitch data. .