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authorshamikam2017-01-16 02:56:17 +0530
committershamikam2017-01-16 02:56:17 +0530
commita6df67e8bcd5159cde27556f4f6a315f8dc2215f (patch)
treee806e966b06a53388fb300d89534354b222c2cad /thirdparty/linux/include/opencv2/dnn/shape_utils.hpp
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+/*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) 2013, OpenCV Foundation, 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.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// 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*/
+
+#ifndef __OPENCV_DNN_DNN_SHAPE_UTILS_HPP__
+#define __OPENCV_DNN_DNN_SHAPE_UTILS_HPP__
+
+#include <opencv2/core.hpp>
+#include <ostream>
+
+namespace cv {
+namespace dnn {
+
+//Useful shortcut
+typedef BlobShape Shape;
+
+inline std::ostream &operator<< (std::ostream &s, cv::Range &r)
+{
+ return s << "[" << r.start << ", " << r.end << ")";
+}
+
+//Reshaping
+//TODO: add -1 specifier for automatic size inferring
+
+template<typename Mat>
+void reshape(Mat &m, const BlobShape &shape)
+{
+ m = m.reshape(1, shape.dims(), shape.ptr());
+}
+
+template<typename Mat>
+Mat reshaped(const Mat &m, const BlobShape &shape)
+{
+ return m.reshape(1, shape.dims(), shape.ptr());
+}
+
+
+//Slicing
+
+struct _Range : public cv::Range
+{
+ _Range(const Range &r) : cv::Range(r) {}
+ _Range(int start, int size = 1) : cv::Range(start, start + size) {}
+};
+
+template<typename Mat>
+Mat slice(const Mat &m, const _Range &r0)
+{
+ //CV_Assert(m.dims >= 1);
+ cv::AutoBuffer<cv::Range, 4> ranges(m.dims);
+ for (int i = 1; i < m.dims; i++)
+ ranges[i] = Range::all();
+ ranges[0] = r0;
+ return m(&ranges[0]);
+}
+
+template<typename Mat>
+Mat slice(const Mat &m, const _Range &r0, const _Range &r1)
+{
+ CV_Assert(m.dims >= 2);
+ cv::AutoBuffer<cv::Range, 4> ranges(m.dims);
+ for (int i = 2; i < m.dims; i++)
+ ranges[i] = Range::all();
+ ranges[0] = r0;
+ ranges[1] = r1;
+ return m(&ranges[0]);
+}
+
+template<typename Mat>
+Mat slice(const Mat &m, const _Range &r0, const _Range &r1, const _Range &r2)
+{
+ CV_Assert(m.dims <= 3);
+ cv::AutoBuffer<cv::Range, 4> ranges(m.dims);
+ for (int i = 3; i < m.dims; i++)
+ ranges[i] = Range::all();
+ ranges[0] = r0;
+ ranges[1] = r1;
+ ranges[2] = r2;
+ return m(&ranges[0]);
+}
+
+template<typename Mat>
+Mat slice(const Mat &m, const _Range &r0, const _Range &r1, const _Range &r2, const _Range &r3)
+{
+ CV_Assert(m.dims <= 4);
+ cv::AutoBuffer<cv::Range, 4> ranges(m.dims);
+ for (int i = 4; i < m.dims; i++)
+ ranges[i] = Range::all();
+ ranges[0] = r0;
+ ranges[1] = r1;
+ ranges[2] = r2;
+ ranges[3] = r3;
+ return m(&ranges[0]);
+}
+
+BlobShape computeShapeByReshapeMask(const BlobShape &srcShape, const BlobShape &maskShape, Range srcRange = Range::all());
+
+}
+}
+#endif