JPS6136787A - Character pattern generation processing system - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a character pattern generation processing method, in particular, a method for automatically smoothing the enlarged character pattern when a reference character pattern consisting of dots is enlarged. The present invention relates to a character pattern generation processing method.

[Problems to be solved by conventional technology and invention] Conventionally,
When enlarging a character pattern consisting of dots by 2 times, 4 times, 8 times, etc., enlarged characters are obtained by enlarging each dot of the reference character pattern by 2 times, 4 times, 8 times, etc. There is a method.

In this method, each dot is simply enlarged by 2 times, 4 times, etc. to obtain enlarged characters, so diagonal lines in particular become step-like, making it impossible to obtain characters composed of smooth lines. There was a problem.

[Means for solving problems]

In order to solve the above-mentioned problems, the present invention generates an enlarged character pattern by enlarging a reference character pattern composed of dots. By applying this correction at appropriate locations, a smooth enlarged character pattern is generated. Therefore, in the character pattern generation processing method of the present invention, in a character pattern generation processing method that enlarges a reference character pattern to generate an enlarged character pattern, the original enlarged character is enlarged using the reference character pattern. an original enlarged character pattern generation means for generating a pattern; a corner position detection means for detecting the position of a corner in the original enlarged character pattern enlarged by the original enlarged character pattern generation means; Deletion position calculation means for deleting positions where it is not desirable to perform additional correction among the positions of the detected corner portions, and predetermined triangular correction being performed on other positions not deleted by the deletion position calculation means. The present invention is characterized by comprising a slanted dot correction means.

〔Example〕

Embodiments of the present invention will be described in detail below with reference to the drawings.

Figure 1 is a configuration diagram of one embodiment of the present invention, Figure 2 is a conceptual explanatory diagram explaining the concept of the configuration of one embodiment of the present invention, and Figures 3 and 4 are the diagram shown in Figure 1. A procedure explanatory diagram illustrating the procedure of the configuration of one embodiment of the invention, FIGS.
The figure shows an example of the application of the embodiment of the present invention shown in FIG. 1, expanded to various ignition temperatures.

In the figure, ■ to ■ represent procedures related to the present invention.

As shown in FIG. 1, the present invention generates a smooth enlarged character pattern by the steps indicated by ■ to ■ in the figure.

In the figure, ■ indicates a state in which a reference character pattern is enlarged. For example, a character pattern consisting of 24 x 24 dots (for example, the 6 shown in Figure 2 (a)) is 48
It shows a state in which it is enlarged to be composed of 48 dots (the one shown in FIG. 2(b)).

In the figure, ■ indicates a state in which the "diagonal dot correction position" is calculated. This means calculating the positions of so-called corner portions in order to smooth the original enlarged character pattern enlarged in state (2) as described later.

In the figure, ■ indicates a state in which a "T-shaped arrangement part" is deleted. This is done in order to delete those that are aesthetically undesirable from among the enlarged character patterns in which all the "diagonal dot correction positions" calculated in condition (3) have been subjected to triangular correction as described below.
This means calculating the position of the "T-shaped part".

■ in the figure shows a state in which the ``L-shaped line-up part'' is deleted.This is a state in which the ``diagonal dot correction position'' calculated in condition ■ is all triangularly corrected in the same way as in condition ■. , in order to delete things that are aesthetically objectionable.
It means calculating the position of "type arrangement part".

In the figure, ■ indicates a state in which an enlarged character pattern is generated with diagonal dot/gutter correction applied to the staircase portion.

By employing the configuration as described above, a beautiful enlarged character pattern having a desired magnification can be obtained from a reference character pattern. Hereinafter, the present invention will be explained in detail with reference to FIG. 2, the principle of operation of the present invention will be explained with reference to FIGS. 3 and 4, and the present invention will be explained with reference to FIGS. Specific examples will be explained one by one.

Figure 2 (b) and (c) show dot patterns that are double and quadruple enlargements of the character pattern shown in Figure 2 (a). , Figure 2 (D) and Figure 2 (E) are similar to Figure 2 (B) and (
c) Enlarged character patterns obtained by applying diagonal gutter correction according to the configuration shown in FIG. 1 to the enlarged dot patterns are shown.

The enlarged character pattern shown in FIG. 2(d) is related to the present invention, and shows the corner portion of the original enlarged character pattern shown in FIG. 2(b) which has been enlarged twice. Similarly, the second
Figure (e) The illustrated enlarged character pattern is the second one enlarged four times.
Figure (c) shows a state in which the corner portions of the original enlarged character pattern are interpolated.

Here, the dots with °x inside "○" are interpolated dots.In this way, the present invention
A smooth enlarged character pattern can be automatically obtained by interpolating the corner portions of the original enlarged character pattern that has been enlarged in the shape of .

FIG. 3 shows the procedure for interpolation shown in (2) in FIG. FIG. 3(A) shows the original enlarged character pattern before enlarged interpolation. The black part is the part that makes up the character pattern.

FIGS. 3(b) to 3(d) depict the procedure for calculating the oblique dot correction position (2) in FIG. 1. Third
Figure (b) shows the position immediately before the character pattern that crosses the original enlarged character pattern when the original enlarged character pattern shown in Figure 3 (a) is scanned horizontally and the original enlarged character pattern is crossed from left to right. A weight "1" is set on the character pattern, and a weight "2" is set on the position immediately after the character pattern that crosses the character pattern. Thereafter, all horizontal directions are scanned in the same way, and the weight is set to "1" or "
2”.

Figure 3 (c) shows, in the same way as in Figure 2 (b), when scanning in the vertical direction and crossing the original enlarged character pattern from top to bottom, A weight of "4" is set at the position, and a weight of "8" is set at the position immediately after the crossing character pattern. At this time, Figure 3 (b)
When scanning in the horizontal direction and the weight "l" or "2" is already vertical, the added value as shown in FIG. Set a value consisting of “10”. Then, in the same manner, all vertical directions are scanned to set a predetermined value. Those having these values are shown as "A" in Fig. 3 (d) and may be considered. Among the values set in the above manner, the corner portions to be corrected have the values "5" and "6" as shown in FIG. 7(b).
”, “9” and “lO”. Therefore, the portion where the corresponding value is located becomes the diagonal dot correction position shown by ■ in FIG.

FIG. 4 shows the procedure for deleting the T-shaped arrangement portion and the L-shaped arrangement portion shown in ■ and ■ in FIG.

FIG. 4(a) shows the original enlarged character pattern before deletion. The numerical values in the figure are the oblique dot correction positions determined as explained using FIG. 3, and the values are "5", "6", "9".
” and “10” are the targets.

FIG. 4(b) describes the procedure for deleting the T-shaped lined-up portions, and the white triangular portions to be deleted, as shown in the figure, are symmetrical with the line. In other words, of the original enlarged character pattern before deletion shown in FIG. 4(a), FIG.
c) As shown in the figure, “6” and “10”, “10” and “9゛,” “9” and “5”, and “5° and “6” are located across the line of the original enlarged character pattern. The position where there is a value of the combination that becomes a beat is targeted for deletion.

Figure 4 (c) describes the procedure for deleting the L-shaped part, and the corner part of the L-shaped part is shown in the figure (a).
) White triangular objects are to be deleted. That is, among the original enlarged character pattern shown in FIG. 4(a) before deletion, the area to be deleted is shown in FIG. If the original enlarged character patterns are located together, the one (in the figure) is targeted for deletion. Similarly, images rotated by an integral multiple of 90 degrees are also subject to deletion.

As a result, for example, triangular correction is not performed on the inner corner of a rectangular shape, so that it is possible to avoid correction to a position that is aesthetically undesirable.

In FIG. 5, scanning is performed in the horizontal direction as described above using FIG. The state in which the weight "2" is set is shown.

In the figure, if the position where weight "1" is set and the position where weight "2" is set are duplicated, the value of the sum of both is set.

In FIG. 6, scanning is performed in the vertical direction as described above using FIG. The state where the weight 8" is set immediately after is shown.

FIG. 7(A) shows that the heavier values shown in FIGS. 5 and 6 are added for the corresponding positions, and the added values are "5", "6", 7", “9” and “10”
This is an extracted version of the .

Figure 7 (B) shows the process of extracting the numerical values shown in Figure 7 (A). Set a weight of "1" to the position immediately before it changes to black, and set a weight of "1" to the position immediately after it changes to black.
In addition, the value of the TFL vertical scan shown in the figure is similarly scanned vertically from top to bottom, and a weight of "4" is set at the position immediately before the change from white to black, and a weight is set at the position immediately after. “
Then, the sum of both values is shown in the diagram tgl.The values corresponding to the diagram tel, (fl, and (phantom) are respectively shown in FIG. 7 (b).

Through such a process, the image shown in FIG. 7(a) is generated.

7-(c) shows that the total value from FIG. 7(b) is “
5'', ``6'', ``9'' and ``10'', that is, only the diagonal dot correction positions, which are the corners of the original enlarged character Bakun, are extracted.

FIG. 8 shows an example of an enlarged character pattern after correction, as shown by a triangular white area at the diagonal dot correction position of the enlarged character pattern shown in FIG.

The enlarged character pattern after the correction has a rounded shape, which is not aesthetically pleasing because triangular correction is unconditionally applied to all corners inside the rectangular shape.

FIG. 9 shows an enlarged character pattern after deletion of the "T-shaped array part" shown in (2) in FIG. 11. This deletion is performed based on the procedure shown in FIG. The enlarged character pattern shown in FIG. 9 obtained in this way is different from the original shown in FIG. A character pattern that is faithful to the original standard character pattern before enlargement can be obtained without any distortion.

Figure 1O shows an enlarged character pattern after the "L-shaped arrangement part" shown in Figure 1 is further deleted from the one shown in Figure 9. ) The enlarged character pattern shown in FIG. 9 obtained in this way is compared with the original shown in FIG. Since it is deleted, a character pattern faithful to the original standard character pattern before enlargement can be obtained without destroying the L-shape.

Figure 11 (A) shows a character pattern composed of 24x24 dots as a reference, and the left column in Figure 11 shows the 2x, 4x, and 8x characters obtained by the process shown in Figure 1 (■).
Showing the original enlarged character pattern enlarged twice and twelve times,
The column on the right is the first one for the original enlarged character pattern shown on the left.
The enlarged character patterns after performing the processing shown in the figures are shown respectively.

Comparing the original enlarged character pattern in the left column of the figure with the enlarged character pattern in the right column, it was found that the jaggedness in the diagonal direction that constitutes the enlarged character pattern was particularly reduced and became smoother. do.

〔Effect of the invention〕

As explained above, according to the present invention, after enlarging a reference character pattern composed of dots to generate an original enlarged character pattern, corner parts in the original enlarged character pattern are found, and Since a predetermined triangular correction is performed after processing to delete undesirable corner portions, it is possible to generate an enlarged character pattern with a smooth and beautiful shape.

[Brief explanation of drawings]

Figure 1 is a configuration diagram of one embodiment of the present invention, Figure 2 is a conceptual explanatory diagram explaining the concept of the configuration of one embodiment of the present invention, and Figures 3 and 4 are the diagram shown in Figure 1. A procedure explanatory diagram illustrating the procedure of the configuration of one embodiment of the invention, FIGS.
The figure shows an example of the application of the embodiment of the present invention shown in FIG. 1, expanded to various ignition temperatures. In the figure, ■ to ■ represent procedures related to the present invention. Patent applicant Usatsuk Electronic Industry Co., Ltd. Representative Patent Attorney Mori 1) Hiroshi (2 others) 2 Figure (S) (Sai・) Yu 3 (! 1 ■1 (i) Island 5 m J6ffi z7 Ryu δ Figure No. 1011n Figure 11. A, Alcohol 24.24

Claims (1)

[Claims] In a character pattern generation processing method for generating an enlarged character pattern by enlarging a reference character pattern, an original enlarged character pattern generation means for generating an enlarged original enlarged character pattern using the reference character pattern;
corner position detection means for detecting the position of a corner in the original enlarged character pattern enlarged by the original enlarged character pattern generation means; and additional correction of the corner position detected by the corner position detection means. The present invention is characterized by comprising a deletion position calculation means for deleting a position where it is undesirable to carry out the deletion, and an oblique dot correction means for performing a predetermined triangular correction on other positions not deleted by the deletion position calculation means. Character pattern generation processing method.