Image table character identification method
A text recognition and image technology, applied in the field of image recognition, can solve problems such as difficulties in table text segmentation, and achieve the effects of ensuring order and logical accuracy, high recognition efficiency, and simple judgment methods.
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[0059] The implementation process of the image form text recognition method of the present invention is specifically described below by giving examples. In this embodiment, the picture to be recognized after the binarization process is as follows image 3 shown, yes Figure 1 As shown in the image to be recognized, the cell contour of the image table is detected by the findcontours function in the openCV image processing tool. The detected cell contour is as follows Figure 4 shown; will Figure 4 Put the cell contour point sets detected in the corresponding class into the corresponding class, and put these contour point set classes into a large class contours; traverse the elements in the contours, and call the minAreaRect function for each element in the contours, Extract the rotated rectangular area and put it into the RotatedRect class; traverse the elements in the RotatedRect class, extract the four-corner vertex coordinates corresponding to the rotated rectangular...
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