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/* LiquidRescaling Library
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* Copyright (C) 2007-2009 Carlo Baldassi (the "Author") <carlobaldassi@gmail.com>.
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* This library implements the algorithm described in the paper
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* "Seam Carving for Content-Aware Image Resizing"
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* by Shai Avidan and Ariel Shamir
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* which can be found at http://www.faculty.idc.ac.il/arik/imret.pdf
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; version 3 dated June, 2007.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>
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#ifndef __LQR_GRADIENT_PUB_H__
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#define __LQR_GRADIENT_PUB_H__
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enum _LqrGradFuncType {
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LQR_GF_NORM, /* gradient norm : sqrt(x^2 + y^2) */
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LQR_GF_NORM_BIAS, /* NOT IMPLEMENTED DO NOT USE */
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LQR_GF_SUMABS, /* sum of absulte values : |x| + |y| */
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LQR_GF_XABS, /* x absolute value : |x| */
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LQR_GF_YABS, /* NOT IMPLEMENTED DO NOT USE */
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typedef enum _LqrGradFuncType LqrGradFuncType;
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#endif /* __LQR_GRADIENT_PUB_H__ */