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A wireframe-detection based method for correcting credential photos
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DOI：10.1007/s11042-024-18146-7.png)
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摘要
En 中文
To correct credential photos like ID cards and bank cards for both saving the storage space and improving their quality, it usually needs to detect their corresponding border lines. Prevailing line-detection methods can be applied to detect the border lines,while they may also detect many other lines which are not border lines (denoted as non-border lines later) and lead to both lower efficiency and worse accuracy. This paper presents a wireframe-detection based method (WDBM) by combining with a line detection method based on the concept of discrimination value, for correcting credential photos like ID cards and bank cards. It can automatically discard many non-border lines and quickly find the correct border lines. Experimental results show that the WDBM can recognize part of lines that the prevailing line-detection methods do not recognize, and the WDBM can also achieve a better PSNR by refining the accuracy of the detected lines. In a word, both efficiency and accuracy of the WDBM are improved by comparing with prevailing line-detection methods.
Keyword:
Wireframe-detection based method
Line segment detection
Credential photos
Image correction
Discrimination value
期刊
IF:
3
论文数:
2.0W
被引数:
3.2W
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