1 #ifndef COMPLEX_MAT_HPP_213123048309482094
2 #define COMPLEX_MAT_HPP_213123048309482094
4 #include <opencv2/opencv.hpp>
24 ComplexMat_(uint _rows, uint _cols, uint _n_channels, uint _n_scales = 1)
25 : cols(_cols), rows(_rows), n_channels(_n_channels * _n_scales), n_scales(_n_scales),
26 p_data(n_channels * cols * rows) {}
27 ComplexMat_(cv::Size size, uint _n_channels, uint _n_scales = 1)
28 : cols(size.width), rows(size.height), n_channels(_n_channels * _n_scales), n_scales(_n_scales)
29 , p_data(n_channels * cols * rows) {}
31 // assuming that mat has 2 channels (real, img)
32 ComplexMat_(const cv::Mat &mat) : cols(uint(mat.cols)), rows(uint(mat.rows)), n_channels(1), n_scales(1)
33 , p_data(n_channels * cols * rows)
35 memcpy(p_data.hostMem(), mat.ptr<std::complex<T>>(), mat.total() * mat.elemSize());
38 static ComplexMat_ same_size(const ComplexMat_ &o)
40 return ComplexMat_(o.rows, o.cols, o.n_channels / o.n_scales, o.n_scales);
43 // cv::Mat API compatibility
44 cv::Size size() const { return cv::Size(cols, rows); }
45 uint channels() const { return n_channels; }
47 // assuming that mat has 2 channels (real, imag)
48 void set_channel(uint idx, const cv::Mat &mat)
50 assert(idx < n_channels);
51 for (uint i = 0; i < rows; ++i) {
52 const std::complex<T> *row = mat.ptr<std::complex<T>>(i);
53 for (uint j = 0; j < cols; ++j)
54 p_data.hostMem()[idx * rows * cols + i * cols + j] = row[j];
60 void sqr_norm(DynMem_<T> &result) const;
62 ComplexMat_ sqr_mag() const;
64 ComplexMat_ conj() const;
66 ComplexMat_ sum_over_channels() const;
68 // return 2 channels (real, imag) for first complex channel
69 cv::Mat to_cv_mat() const
71 assert(p_data.num_elem >= 1);
72 return channel_to_cv_mat(0);
74 // return a vector of 2 channels (real, imag) per one complex channel
75 std::vector<cv::Mat> to_cv_mat_vector() const
77 std::vector<cv::Mat> result;
78 result.reserve(n_channels);
80 for (uint i = 0; i < n_channels; ++i)
81 result.push_back(channel_to_cv_mat(i));
86 std::complex<T> *get_p_data() { return p_data.hostMem(); }
87 const std::complex<T> *get_p_data() const { return p_data.hostMem(); }
90 cufftComplex *get_dev_data() { return (cufftComplex*)p_data.deviceMem(); }
91 const cufftComplex *get_dev_data() const { return (cufftComplex*)p_data.deviceMem(); }
94 // element-wise per channel multiplication, division and addition
95 ComplexMat_ operator*(const ComplexMat_ &rhs) const;
96 ComplexMat_ operator/(const ComplexMat_ &rhs) const;
97 ComplexMat_ operator+(const ComplexMat_ &rhs) const;
99 // multiplying or adding constant
100 ComplexMat_ operator*(const T &rhs) const;
101 ComplexMat_ operator+(const T &rhs) const;
103 // multiplying element-wise multichannel by one channel mats (rhs mat is with one channel)
104 ComplexMat_ mul(const ComplexMat_ &rhs) const;
106 // multiplying element-wise multichannel mats - same as operator*(ComplexMat), but without allocating memory for the result
107 ComplexMat_ muln(const ComplexMat_ &rhs) const
109 return mat_mat_operator([](std::complex<T> &c_lhs, const std::complex<T> &c_rhs) { c_lhs *= c_rhs; }, rhs);
113 friend std::ostream &operator<<(std::ostream &os, const ComplexMat_ &mat)
115 // for (int i = 0; i < mat.n_channels; ++i){
116 for (int i = 0; i < 1; ++i) {
117 os << "Channel " << i << std::endl;
118 for (uint j = 0; j < mat.rows; ++j) {
119 for (uint k = 0; k < mat.cols - 1; ++k)
120 os << mat.p_data[j * mat.cols + k] << ", ";
121 os << mat.p_data[j * mat.cols + mat.cols - 1] << std::endl;
128 DynMem_<std::complex<T>> p_data;
130 // convert 2 channel mat (real, imag) to vector row-by-row
131 std::vector<std::complex<T>> convert(const cv::Mat &mat)
133 std::vector<std::complex<T>> result;
134 result.reserve(mat.cols * mat.rows);
135 for (int y = 0; y < mat.rows; ++y) {
136 const T *row_ptr = mat.ptr<T>(y);
137 for (int x = 0; x < 2 * mat.cols; x += 2) {
138 result.push_back(std::complex<T>(row_ptr[x], row_ptr[x + 1]));
144 ComplexMat_ mat_mat_operator(void (*op)(std::complex<T> &c_lhs, const std::complex<T> &c_rhs),
145 const ComplexMat_ &mat_rhs) const;
146 ComplexMat_ matn_mat1_operator(void (*op)(std::complex<T> &c_lhs, const std::complex<T> &c_rhs),
147 const ComplexMat_ &mat_rhs) const;
148 ComplexMat_ matn_mat2_operator(void (*op)(std::complex<T> &c_lhs, const std::complex<T> &c_rhs),
149 const ComplexMat_ &mat_rhs) const;
150 ComplexMat_ mat_const_operator(const std::function<void(std::complex<T> &c_rhs)> &op) const;
152 cv::Mat channel_to_cv_mat(int channel_id) const
154 cv::Mat result(rows, cols, CV_32FC2);
155 for (uint y = 0; y < rows; ++y) {
156 std::complex<T> *row_ptr = result.ptr<std::complex<T>>(y);
157 for (uint x = 0; x < cols; ++x) {
158 row_ptr[x] = p_data[channel_id * rows * cols + y * cols + x];
165 typedef ComplexMat_ ComplexMat;
167 #endif // COMPLEX_MAT_HPP_213123048309482094