Method for judging whether patterns in printing can be spliced and pattern splicing method

Abstract

The invention relates to the field of image technical processing, in particular to an image splicing method in the printing industry. The method comprises the following steps: acquiring a pattern to be printed; selecting any point on the pattern to be printed, drawing any straight line passing through the point as a reference line, and obtaining the color value of each pixel point on the referenceline on the pattern to be printed; finding another splicing line from the datum line in any direction on the pattern to be printed, and when the similarity between the color value of each pixel pointlocated on the splicing line on the printed pattern and the color value of each pixel point on the datum line reaches a preset standard, determining the splicing line as an available splicing line; taking a result of whether the splicing line can be found on the pattern to be printed or not as a basis for judging whether the pattern can be spliced or not. Through the method, whether the pattern to be printed has ductility or not can be quickly judged by using a computer program.

Description

technical field [0001] The invention relates to the field of image technology processing, in particular to an image splicing method in the printing industry. Background technique [0002] In the traditional printing process, it is often encountered that the image provided by the customer does not match the printing format, such as figure 1 , since the printed pictures provided by the customer are too small, it needs to be spliced ​​and expanded to a suitable printing format before printing. Such as figure 2 , is to directly copy the printed picture provided by the customer into multiple pictures that are directly spliced, but the left and right edges of the picture have overlapping parts in the upper and lower directions. If they are naturally spliced ​​without cropping, from such image 3 As can be seen from the enlarged picture of the splicing part of the two pictures, the pattern at position a on the edge of the two pictures will produce uneven splicing, which will gre...

AI Technical Summary

Problems solved by technology

like figure 2 , is to directly copy the printed picture provided by the customer into multiple pictures that are directly spliced, but the left and right edges of the picture have overlapping parts in the upper and lower directions. If they are naturally spliced ​​without cropping, from such image 3 As can be seen from the enlarged picture of the splicing part of the two pictures, the pattern at position a on the edge of the two pictures will produce uneven splicing, which will greatly affect the effect of the printed picture

The traditional processing method is to retouch the map manually by the cartographer. The processing efficiency is not high and the effect of the retouching is often not ideal, which is a waste of time and manpower.

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