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