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| Copyright (C) 2005-2006 | Hervé Jégou |
| Vivien Chappelier | |
| Francois Cayre |
00001 /* 00002 libit - Library for basic source and channel coding functions 00003 Copyright (C) 2005-2008 Francois Cayre, Vivien Chappelier, Herve Jegou 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00018 */ 00019 00020 /* 00021 Separable 2D wavelet transform using lifting. 00022 Copyright (C) 2005 Vivien Chappelier 00023 */ 00024 00025 #ifndef __it_separable2D_h 00026 #define __it_separable2D_h 00027 00028 #include <it/types.h> 00029 #include <it/mat.h> 00030 #include <it/transform.h> 00031 #include <it/transform2D.h> 00032 00033 /*---------------------------------------------------------------------------*/ 00034 /*! \addtogroup transform Transform */ 00035 /* @{ */ 00036 /*---------------------------------------------------------------------------*/ 00037 00038 00039 typedef struct _it_separable2D_ { 00040 it_extends (it_transform2D_t); 00041 00042 it_transform_t *transform; 00043 00044 void (*it_overloaded (destructor)) (it_object_t * it_this); 00045 00046 } it_separable2D_t; 00047 00048 #define IT_SEPARABLE2D(x) IT_CAST(it_separable2D_t, x) 00049 00050 it_instanciate (it_separable2D_t); 00051 00052 #define it_separable2D_new(t) __it_separable2D_new(IT_TRANSFORM(t)) 00053 static inline it_separable2D_t *__it_separable2D_new (it_transform_t * 00054 transform) { 00055 return (it_new_va (it_separable2D_t) (it_va, transform)); 00056 } 00057 /* 2D separable transform and inverse transform */ 00058 #define it_separable2D_transform(t, m) ((mat) it_transform2D(IT_SEPARABLE2D(t), m)) 00059 #define it_separable2D_itransform(t, m) ((mat) it_itransform2D(IT_SEPARABLE2D(t), m)) 00060 /* same thing with internal object construction/destruction */ 00061 mat it_separable2D (mat m, it_transform_t); 00062 mat it_iseparable2D (mat t, it_transform_t); 00063 00064 /* @} */ 00065 00066 #endif
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