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Diffstat (limited to 'examples/neon_opticalflow.cpp')
| -rw-r--r-- | examples/neon_opticalflow.cpp | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/examples/neon_opticalflow.cpp b/examples/neon_opticalflow.cpp deleted file mode 100644 index ff9478cc18..0000000000 --- a/examples/neon_opticalflow.cpp +++ /dev/null @@ -1,263 +0,0 @@ -/* - * Copyright (c) 2019 Arm Limited. - * - * SPDX-License-Identifier: MIT - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in all - * copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ -#include "arm_compute/runtime/NEON/NEFunctions.h" - -#include "arm_compute/core/Types.h" -#include "utils/ImageLoader.h" -#include "utils/Utils.h" - -#include <fstream> -#include <sstream> -#include <vector> - -using namespace arm_compute; -using namespace utils; - -class NeonOpticalFlowExample : public Example -{ -public: - NeonOpticalFlowExample() - : input_points(100), output_points(100), point_estimates(100) - { - } - - bool do_setup(int argc, char **argv) override - { - if(argc < 5) - { - // Print help - std::cout << "Usage: ./build/neon_opticalflow [src_1st.ppm] [src_2nd.ppm] [keypoints] [estimates]\n\n"; - const unsigned int img_width = 64; - const unsigned int img_height = 64; - const unsigned int rect_x = 20; - const unsigned int rect_y = 40; - const unsigned int rect_s = 8; - const unsigned int offsetx = 24; - const unsigned int offsety = 3; - std::cout << "No input_image provided, creating test data:\n"; - std::cout << "\t Image src_1st = (" << img_width << "," << img_height << ")" << std::endl; - std::cout << "\t Image src_2nd = (" << img_width << "," << img_height << ")" << std::endl; - init_img(src_1st, img_width, img_height, rect_x, rect_y, rect_s); - init_img(src_2nd, img_width, img_height, rect_x + offsetx, rect_y + offsety, rect_s); - const int num_points = 4; - input_points.resize(num_points); - point_estimates.resize(num_points); - const std::array<unsigned int, num_points> tracking_coordsx = { rect_x - 1, rect_x, rect_x + 1, rect_x + 2 }; - const std::array<unsigned int, num_points> tracking_coordsy = { rect_y - 1, rect_y, rect_y + 1, rect_y + 2 }; - const std::array<unsigned int, num_points> estimate_coordsx = { rect_x + offsetx - 1, rect_x + offsetx, rect_x + offsetx + 1, rect_x + offsetx + 2 }; - const std::array<unsigned int, num_points> estimate_coordsy = { rect_y + offsety - 1, rect_y + offsety, rect_y + offsety + 1, rect_y + offsety + 2 }; - - for(int k = 0; k < num_points; ++k) - { - auto &keypoint = input_points.at(k); - keypoint.x = tracking_coordsx[k]; - keypoint.y = tracking_coordsy[k]; - keypoint.tracking_status = 1; - } - for(int k = 0; k < num_points; ++k) - { - auto &keypoint = point_estimates.at(k); - keypoint.x = estimate_coordsx[k]; - keypoint.y = estimate_coordsy[k]; - keypoint.tracking_status = 1; - } - } - else - { - load_ppm(argv[1], src_1st); - load_ppm(argv[2], src_2nd); - load_keypoints(argv[3], input_points); - load_keypoints(argv[4], point_estimates); - } - - print_points(input_points, "Tracking points : "); - print_points(point_estimates, "Estimates points : "); - - const unsigned int num_levels = 3; - // Initialise and allocate pyramids - PyramidInfo pyramid_info(num_levels, SCALE_PYRAMID_HALF, src_1st.info()->tensor_shape(), src_1st.info()->format()); - pyr_1st.init_auto_padding(pyramid_info); - pyr_2nd.init_auto_padding(pyramid_info); - - pyrf_1st.configure(&src_1st, &pyr_1st, BorderMode::UNDEFINED, 0); - pyrf_2nd.configure(&src_2nd, &pyr_2nd, BorderMode::UNDEFINED, 0); - - output_points.resize(input_points.num_values()); - - optkf.configure(&pyr_1st, &pyr_2nd, - &input_points, &point_estimates, &output_points, - Termination::TERM_CRITERIA_BOTH, 0.01f, 15, 5, true, BorderMode::UNDEFINED, 0); - - pyr_1st.allocate(); - pyr_2nd.allocate(); - - return true; - } - void do_run() override - { - //Execute the functions: - pyrf_1st.run(); - pyrf_2nd.run(); - optkf.run(); - } - void do_teardown() override - { - print_points(output_points, "Output points : "); - } - -private: - /** Loads the input keypoints from a file into an array - * - * @param[in] fn Filename containing the keypoints. Each line must have two values X Y. - * @param[out] img Reference to an unintialised KeyPointArray - */ - bool load_keypoints(const std::string &fn, KeyPointArray &array) - { - assert(!fn.empty()); - std::ifstream f(fn); - if(f.is_open()) - { - std::cout << "Reading points from " << fn << std::endl; - std::vector<KeyPoint> v; - for(std::string line; std::getline(f, line);) - { - std::stringstream ss(line); - std::string xcoord; - std::string ycoord; - getline(ss, xcoord, ' '); - getline(ss, ycoord, ' '); - KeyPoint kp; - kp.x = std::stoi(xcoord); - kp.y = std::stoi(ycoord); - kp.tracking_status = 1; - v.push_back(kp); - } - const int num_points = v.size(); - array.resize(num_points); - for(int k = 0; k < num_points; ++k) - { - auto &keypoint = array.at(k); - keypoint = v[k]; - } - return true; - } - else - { - std::cout << "Cannot open keypoints file " << fn << std::endl; - return false; - } - } - - /** Creates and Image and fills it with the ppm data from the file - * - * @param[in] fn PPM filename to be loaded - * @param[out] img Reference to an unintialised image instance - */ - bool load_ppm(const std::string &fn, Image &img) - { - assert(!fn.empty()); - PPMLoader ppm; - ppm.open(fn); - ppm.init_image(img, Format::U8); - img.allocator()->allocate(); - if(ppm.is_open()) - { - std::cout << "Reading image " << fn << std::endl; - ppm.fill_image(img); - return true; - } - else - { - std::cout << "Cannot open " << fn << std::endl; - return false; - } - } - /** Creates and Image and draws a square in the specified coordinares. - * - * @param[out] img Reference to an unintialised image instance - * @param[in] img_width Width of the image to be created - * @param[in] img_height Height of the image to be created - * @param[in] square_center_x Coordinate along x-axis to be used as the center for the square - * @param[in] square_center_y Coordinate along y-axis to be used as the center for the square - * @param[in] square_size Size in pixels to be used for the square - */ - void init_img(Image &img, unsigned int img_width, unsigned int img_height, - unsigned int square_center_x, unsigned int square_center_y, - unsigned int square_size) - { - img.allocator()->init(TensorInfo(img_width, img_height, Format::U8)); - img.allocator()->allocate(); - const unsigned int square_half = square_size / 2; - // assert the square is in the bounds of the image - assert(square_center_x > square_half && square_center_x + square_half < img_width); - assert(square_center_y > square_half && square_center_y + square_half < img_height); - // get ptr to the top left pixel for the squeare - std::fill(img.buffer(), img.buffer() + img_width * img_height, 0); - for(unsigned int i = 0; i < square_size; ++i) - { - for(unsigned int j = 0; j < square_size; ++j) - { - uint8_t *ptr = img.ptr_to_element(Coordinates(square_center_x - square_half + j, square_center_y - square_half + i)); - *ptr = 0xFF; - } - } - } - /** Prints an array of keypoints and an optional label - * - * @param[in] a Keypoint array to be printed - * @param[in] str Label to be printed before the array - */ - void print_points(const KeyPointArray &a, const std::string &str = "") - { - std::cout << str << std::endl; - for(unsigned int k = 0; k < a.num_values(); ++k) - { - auto kp = a.at(k); - std::cout << "\t " - << " (x,y) = (" << kp.x << "," << kp.y << ")"; - std::cout << " strength = " << kp.strength << " " - << " scale = " << kp.scale << " orientation " << kp.orientation << " status " << kp.tracking_status << " err = " << kp.error << std::endl; - } - } - - Pyramid pyr_1st{}; - Pyramid pyr_2nd{}; - NEGaussianPyramidHalf pyrf_1st{}; - NEGaussianPyramidHalf pyrf_2nd{}; - NEOpticalFlow optkf{}; - Image src_1st{}, src_2nd{}; - KeyPointArray input_points; - KeyPointArray output_points; - KeyPointArray point_estimates; -}; - -/** Main program for optical flow test - * - * @param[in] argc Number of arguments - * @param[in] argv Arguments ( [optional] Path to PPM image to process ) - */ -int main(int argc, char **argv) -{ - return utils::run_example<NeonOpticalFlowExample>(argc, argv); -} |