added support of BORDER_REFLECT into gpu::cornerHarris and etc, added support of border extr. int linear filters

2010-12-02 09:07:13 +00:00
parent 4789306499
commit ab04a03621
8 changed files with 580 additions and 81 deletions
--- a/modules/gpu/src/cuda/border_interpolate.hpp
+++ b/modules/gpu/src/cuda/border_interpolate.hpp
@@ -0,0 +1,108 @@
+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
+// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
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+// any express or bpied warranties, including, but not limited to, the bpied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+namespace cv { namespace gpu {
+
+    struct BrdReflect101 
+    {
+        BrdReflect101(int len) : last(len - 1) {}
+
+        __device__ int idx_low(int i) const
+        {
+            return abs(i);
+        }
+
+        __device__ int idx_high(int i) const 
+        {
+            return last - abs(i - last);
+        }
+
+        __device__ int idx(int i) const
+        {
+            return i <= last ? idx_low(i) : idx_high(i);
+        }
+
+        bool is_range_safe(int mini, int maxi) const 
+        {
+            return -last <= mini && maxi <= 2 * last;
+        }
+
+        int last;
+    };
+
+
+    template <typename T>
+    struct BrdRowReflect101: BrdReflect101
+    {
+        BrdRowReflect101(int len) : BrdReflect101(len) {}
+
+        __device__ float at_low(int i, const T* data) const 
+        {
+            return data[idx_low(i)];
+        }
+
+        __device__ float at_high(int i, const T* data) const 
+        {
+            return data[idx_high(i)];
+        }
+    };
+
+
+    template <typename T>
+    struct BrdColReflect101: BrdReflect101
+    {
+        BrdColReflect101(int len, int step) : BrdReflect101(len), step(step) {}
+
+        __device__ float at_low(int i, const T* data) const 
+        {
+            return data[idx_low(i) * step];
+        }
+
+        __device__ float at_high(int i, const T* data) const 
+        {
+            return data[idx_high(i) * step];
+        }
+
+        int step;
+    };
+
+}}