Vitaliy Lyudvichenko
9 years ago
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/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of the copyright holders may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#ifndef __OPENCV_DNN_DNN_SHAPE_UTILS_HPP__ |
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#define __OPENCV_DNN_DNN_SHAPE_UTILS_HPP__ |
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#include <opencv2/core.hpp> |
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#include <ostream> |
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namespace cv { |
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namespace dnn { |
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std::ostream &operator<< (std::ostream &s, cv::Range &r) |
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{ |
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return s << "[" << r.start << ", " << r.end << ")"; |
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} |
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//Reshaping
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template<typename Mat> |
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void reshape(Mat &m, const BlobShape &shape) |
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{ |
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m = m.reshape(1, shape.dims(), shape.ptr()); |
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} |
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template<typename Mat> |
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Mat reshaped(const Mat &m, const BlobShape &shape) |
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{ |
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return m.reshape(1, shape.dims(), shape.ptr()); |
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} |
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//Slicing
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struct _Range : public cv::Range |
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{ |
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_Range(const Range &r) : cv::Range(r) {} |
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_Range(int start, int size = 1) : cv::Range(start, start + size) {} |
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}; |
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template<typename Mat> |
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Mat slice(const Mat &m, const _Range &r0) |
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{ |
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//CV_Assert(m.dims >= 1);
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cv::AutoBuffer<cv::Range, 4> ranges(m.dims); |
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for (int i = 1; i < m.dims; i++) |
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ranges[i] = Range::all(); |
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ranges[0] = r0; |
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return m(&ranges[0]); |
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} |
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template<typename Mat> |
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Mat slice(const Mat &m, const _Range &r0, const _Range &r1) |
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{ |
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CV_Assert(m.dims >= 2); |
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cv::AutoBuffer<cv::Range, 4> ranges(m.dims); |
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for (int i = 2; i < m.dims; i++) |
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ranges[i] = Range::all(); |
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ranges[0] = r0; |
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ranges[1] = r1; |
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// for (int i = 0; i < m.dims; i++)
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// std::cout << ranges[i] << "\n";
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return m(&ranges[0]); |
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} |
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template<typename Mat> |
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Mat slice(const Mat &m, const _Range &r0, const _Range &r1, const _Range &r2) |
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{ |
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CV_Assert(m.dims <= 3); |
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cv::AutoBuffer<cv::Range, 4> ranges(m.dims); |
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for (int i = 3; i < m.dims; i++) |
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ranges[i] = Range::all(); |
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ranges[0] = r0; |
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ranges[1] = r1; |
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ranges[2] = r2; |
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return m(&ranges[0]); |
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} |
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template<typename Mat> |
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Mat slice(const Mat &m, const _Range &r0, const _Range &r1, const _Range &r2, const _Range &r3) |
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{ |
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CV_Assert(m.dims <= 4); |
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cv::AutoBuffer<cv::Range, 4> ranges(m.dims); |
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for (int i = 4; i < m.dims; i++) |
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ranges[i] = Range::all(); |
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ranges[0] = r0; |
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ranges[1] = r1; |
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ranges[2] = r2; |
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ranges[3] = r3; |
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return m(&ranges[0]); |
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} |
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} |
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} |
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#endif |
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