一、测试激励编写#include iostream#include cmath#include opencv2/opencv.hpp#include hls_stream.h#include ap_int.h#include bil_filter.h// ------------------------- 娴嬭瘯鍙傛暟 -------------------------#define TEST_ROWS 1080#define TEST_COLS 1920#define TEST_NPPC 4// --------------------------------------------------void bilateral_filter_software(const cv::Mat src, cv::Mat dst,float sigma_s, float sigma_r){dst.create(src.size(), src.type());int radius 2;// 棰勮绠楃┖闂存潈閲float space_w[5][5];for (int i -radius; i radius; i) {for (int j -radius; j radius; j) {space_w[iradius][jradius] exp(-(i*i j*j) / (2.0 * sigma_s * sigma_s));}}// 棰勮绠楀煎煙鏉冮噸float range_w[256];for (int i 0; i 256; i) {range_w[i] exp(-(i*i) / (2.0 * sigma_r * sigma_r));}// 婊ゆ尝璁畻 (鍖呭惈杈圭晫闀滃儚澶勭悊)for (int i 0; i src.rows; i) {for (int j 0; j src.cols; j) {float sum_w 0.0;float sum_v 0.0;for (int r -radius; r radius; r) {for (int c -radius; c radius; c) {int nr std::abs(i r);int nc std::abs(j c);if (nr src.rows) nr 2 * src.rows - nr - 2;if (nc src.cols) nc 2 * src.cols - nc - 2;uchar neighbor src.atuchar(nr, nc);uchar center src.atuchar(i, j);int diff abs(center - neighbor);float w space_w[rradius][cradius] * range_w[diff];sum_w w;sum_v neighbor * w;}}dst.atuchar(i, j) cv::saturate_castuchar(sum_v / sum_w 0.5f);}}}// ------------------------- -------------------------int main() {std::cout Start Bilateral Filter Testbench std::endl;// 1.cv::Mat src_img cv::imread(gray_img.png, cv::IMREAD_GRAYSCALE);if (src_img.empty()) {std::cerr Error: Cannot load input.png! Generating a synthetic image. std::endl;src_img.create(TEST_ROWS, TEST_COLS, CV_8UC1);cv::randu(src_img, 0, 256); //}cv::resize(src_img, src_img, cv::Size(TEST_COLS, TEST_ROWS));const int COLS_BLOCK TEST_COLS / TEST_NPPC;// 2.weight_t space_weight[25];weight_t range_weight[256];float sigma_s 2.0f;float sigma_r 30.0f;for (int i 0; i 5; i) {for (int j 0; j 5; j) {float val exp(-((i-2)*(i-2) (j-2)*(j-2)) / (2.0 * sigma_s * sigma_s));space_weight[i*5 j] (weight_t)val;}}for (int i 0; i 256; i) {float val exp(-(i*i) / (2.0 * sigma_r * sigma_r));range_weight[i] (weight_t)val;}// 3. 澹版槑 AXI-Streamhls::stream ap_uint8*TEST_NPPC src_stream(src_stream);hls::stream ap_uint8*TEST_NPPC dst_stream(dst_stream);// 4. 灏 OpenCV 鏁版嵁鍐欏叆杈撳叆娴 (鎵撳寘)for (int i 0; i TEST_ROWS; i) {for (int j 0; j COLS_BLOCK; j) {ap_uint8*TEST_NPPC pkt 0;for (int k 0; k TEST_NPPC; k) {uchar pix src_img.atuchar(i, j * TEST_NPPC k);pkt(8*(k1)-1, 8*k) pix; // 浣庝綅鏀惧墠涓涓儚绱狅紝楂樹綅鏀惧悗涓涓儚绱}src_stream.write(pkt);}}// 5. 璋冪敤寰呮祴纭欢妯″潡std::cout Running HLS Hardware Model... std::endl;bilateral_top(src_stream, dst_stream, space_weight, range_weight);// 6.cv::Mat hw_dst_img(TEST_ROWS, TEST_COLS, CV_8UC1);for (int i 0; i TEST_ROWS; i) {for (int j 0; j COLS_BLOCK; j) {ap_uint8*TEST_NPPC pkt dst_stream.read();for (int k 0; k TEST_NPPC; k) {hw_dst_img.atuchar(i, j * TEST_NPPC k) pkt(8*(k1)-1, 8*k);}}}// 7.std::cout Running Software Reference Model... std::endl;cv::Mat sw_dst_img;bilateral_filter_software(src_img, sw_dst_img, sigma_s, sigma_r);// 8.int err_count 0;int max_err 0;double total_sq_err 0.0;for (int i 0; i TEST_ROWS; i) {for (int j 0; j TEST_COLS; j) {int hw_val hw_dst_img.atuchar(i, j);int sw_val sw_dst_img.atuchar(i, j);int diff abs(hw_val - sw_val);if (diff 2) {err_count;}if (diff max_err) {max_err diff;}total_sq_err (diff * diff);}}double mse total_sq_err / (TEST_ROWS * TEST_COLS);double psnr (mse 0) ? 100.0 : 10.0 * log10(255.0 * 255.0 / mse);// std::cout ------ Verification Results ------ std::endl;// std::cout Max Absolute Error: max_err std::endl;// std::cout Error Count (2): err_count / TEST_ROWS*TEST_COLS std::endl;// std::cout PSNR: psnr dB std::endl;cv::imwrite(hw_output.png, hw_dst_img);cv::imwrite(sw_output.png, sw_dst_img);std::cout Images saved to hw_output.png and sw_output.png std::endl;// if (max_err 3 psnr 35.0) {// std::cout TEST PASSED std::endl;// return 0;// } else {// std::cout TEST FAILED std::endl;// return 1;// }return 0;}上述代码是测试激励的编写二、核心代码设计