18 lines
653 B
C
18 lines
653 B
C
/*Copyright (C) 2008-2009 Timothy B. Terriberry (tterribe@xiph.org)
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You can redistribute this library and/or modify it under the terms of the
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GNU Lesser General Public License as published by the Free Software
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Foundation; either version 2.1 of the License, or (at your option) any later
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version.*/
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#if !defined(_qrcode_binarize_H)
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# define _qrcode_binarize_H (1)
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void qr_image_cross_masking_median_filter(unsigned char *_img,
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int _width,int _height);
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void qr_wiener_filter(unsigned char *_img,int _width,int _height);
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/*Binarizes a grayscale image.*/
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unsigned char *qr_binarize(const unsigned char *_img,int _width,int _height);
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#endif
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