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Added pre-processing worker to Wrapper (#608)
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gineshidalgo99
@@ -0,0 +1,184 @@
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// ------------------------- OpenPose C++ API Tutorial - Example 13 - Custom Pre-processing -------------------------
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// Synchronous mode: ideal for production integration. It provides the fastest results with respect to runtime
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// performance.
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// In this function, the user can implement its own pre-processing, i.e., his function will be called after the image
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// has been read by OpenPose but before OpenPose processes the frames.
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// Command-line user intraface
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#include <openpose/flags.hpp>
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// OpenPose dependencies
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#include <openpose/headers.hpp>
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// This worker will just invert the image
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class WUserPreProcessing : public op::Worker<std::shared_ptr<std::vector<std::shared_ptr<op::Datum>>>>
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{
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public:
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WUserPreProcessing()
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{
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// User's constructor here
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}
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void initializationOnThread() {}
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void work(std::shared_ptr<std::vector<std::shared_ptr<op::Datum>>>& datumsPtr)
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{
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// User's pre-processing (after OpenPose read the input image & before OpenPose processing) here
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// datumPtr->cvInputData: input frame
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try
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{
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if (datumsPtr != nullptr && !datumsPtr->empty())
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for (auto& datumPtr : *datumsPtr)
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cv::bitwise_not(datumPtr->cvOutputData, datumPtr->cvOutputData);
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}
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catch (const std::exception& e)
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{
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this->stop();
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op::error(e.what(), __LINE__, __FUNCTION__, __FILE__);
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}
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}
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};
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void configureWrapper(op::Wrapper& opWrapper)
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{
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try
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{
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// Configuring OpenPose
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// logging_level
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op::check(0 <= FLAGS_logging_level && FLAGS_logging_level <= 255, "Wrong logging_level value.",
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__LINE__, __FUNCTION__, __FILE__);
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op::ConfigureLog::setPriorityThreshold((op::Priority)FLAGS_logging_level);
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op::Profiler::setDefaultX(FLAGS_profile_speed);
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// Applying user defined configuration - GFlags to program variables
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// producerType
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op::ProducerType producerType;
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std::string producerString;
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std::tie(producerType, producerString) = op::flagsToProducer(
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FLAGS_image_dir, FLAGS_video, FLAGS_ip_camera, FLAGS_camera, FLAGS_flir_camera, FLAGS_flir_camera_index);
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// cameraSize
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const auto cameraSize = op::flagsToPoint(FLAGS_camera_resolution, "-1x-1");
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// outputSize
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const auto outputSize = op::flagsToPoint(FLAGS_output_resolution, "-1x-1");
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// netInputSize
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const auto netInputSize = op::flagsToPoint(FLAGS_net_resolution, "-1x368");
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// faceNetInputSize
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const auto faceNetInputSize = op::flagsToPoint(FLAGS_face_net_resolution, "368x368 (multiples of 16)");
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// handNetInputSize
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const auto handNetInputSize = op::flagsToPoint(FLAGS_hand_net_resolution, "368x368 (multiples of 16)");
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// poseModel
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const auto poseModel = op::flagsToPoseModel(FLAGS_model_pose);
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// JSON saving
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if (!FLAGS_write_keypoint.empty())
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op::log("Flag `write_keypoint` is deprecated and will eventually be removed."
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" Please, use `write_json` instead.", op::Priority::Max);
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// keypointScaleMode
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const auto keypointScaleMode = op::flagsToScaleMode(FLAGS_keypoint_scale);
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// heatmaps to add
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const auto heatMapTypes = op::flagsToHeatMaps(FLAGS_heatmaps_add_parts, FLAGS_heatmaps_add_bkg,
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FLAGS_heatmaps_add_PAFs);
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const auto heatMapScaleMode = op::flagsToHeatMapScaleMode(FLAGS_heatmaps_scale);
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// >1 camera view?
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const auto multipleView = (FLAGS_3d || FLAGS_3d_views > 1 || FLAGS_flir_camera);
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// Face and hand detectors
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const auto faceDetector = op::flagsToDetector(FLAGS_face_detector);
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const auto handDetector = op::flagsToDetector(FLAGS_hand_detector);
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// Enabling Google Logging
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const bool enableGoogleLogging = true;
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// Initializing the user custom classes
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// Processing
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auto wUserPreProcessing = std::make_shared<WUserPreProcessing>();
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// Add custom processing
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const auto workerProcessingOnNewThread = true;
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opWrapper.setWorker(op::WorkerType::PreProcessing, wUserPreProcessing, workerProcessingOnNewThread);
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// Pose configuration (use WrapperStructPose{} for default and recommended configuration)
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const op::WrapperStructPose wrapperStructPose{
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!FLAGS_body_disable, netInputSize, outputSize, keypointScaleMode, FLAGS_num_gpu, FLAGS_num_gpu_start,
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FLAGS_scale_number, (float)FLAGS_scale_gap, op::flagsToRenderMode(FLAGS_render_pose, multipleView),
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poseModel, !FLAGS_disable_blending, (float)FLAGS_alpha_pose, (float)FLAGS_alpha_heatmap,
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FLAGS_part_to_show, FLAGS_model_folder, heatMapTypes, heatMapScaleMode, FLAGS_part_candidates,
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(float)FLAGS_render_threshold, FLAGS_number_people_max, FLAGS_maximize_positives, FLAGS_fps_max,
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FLAGS_prototxt_path, FLAGS_caffemodel_path, enableGoogleLogging};
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opWrapper.configure(wrapperStructPose);
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// Face configuration (use op::WrapperStructFace{} to disable it)
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const op::WrapperStructFace wrapperStructFace{
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FLAGS_face, faceDetector, faceNetInputSize,
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op::flagsToRenderMode(FLAGS_face_render, multipleView, FLAGS_render_pose),
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(float)FLAGS_face_alpha_pose, (float)FLAGS_face_alpha_heatmap, (float)FLAGS_face_render_threshold};
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opWrapper.configure(wrapperStructFace);
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// Hand configuration (use op::WrapperStructHand{} to disable it)
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const op::WrapperStructHand wrapperStructHand{
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FLAGS_hand, handDetector, handNetInputSize, FLAGS_hand_scale_number, (float)FLAGS_hand_scale_range,
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op::flagsToRenderMode(FLAGS_hand_render, multipleView, FLAGS_render_pose), (float)FLAGS_hand_alpha_pose,
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(float)FLAGS_hand_alpha_heatmap, (float)FLAGS_hand_render_threshold};
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opWrapper.configure(wrapperStructHand);
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// Extra functionality configuration (use op::WrapperStructExtra{} to disable it)
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const op::WrapperStructExtra wrapperStructExtra{
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FLAGS_3d, FLAGS_3d_min_views, FLAGS_identification, FLAGS_tracking, FLAGS_ik_threads};
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opWrapper.configure(wrapperStructExtra);
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// Producer (use default to disable any input)
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const op::WrapperStructInput wrapperStructInput{
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producerType, producerString, FLAGS_frame_first, FLAGS_frame_step, FLAGS_frame_last,
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FLAGS_process_real_time, FLAGS_frame_flip, FLAGS_frame_rotate, FLAGS_frames_repeat,
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cameraSize, FLAGS_camera_parameter_path, FLAGS_frame_undistort, FLAGS_3d_views};
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opWrapper.configure(wrapperStructInput);
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// Output (comment or use default argument to disable any output)
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const op::WrapperStructOutput wrapperStructOutput{
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FLAGS_cli_verbose, FLAGS_write_keypoint, op::stringToDataFormat(FLAGS_write_keypoint_format),
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FLAGS_write_json, FLAGS_write_coco_json, FLAGS_write_coco_foot_json, FLAGS_write_coco_json_variant,
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FLAGS_write_images, FLAGS_write_images_format, FLAGS_write_video, FLAGS_write_video_fps,
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FLAGS_write_video_with_audio, FLAGS_write_heatmaps, FLAGS_write_heatmaps_format, FLAGS_write_video_3d,
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FLAGS_write_video_adam, FLAGS_write_bvh, FLAGS_udp_host, FLAGS_udp_port};
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opWrapper.configure(wrapperStructOutput);
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// GUI (comment or use default argument to disable any visual output)
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const op::WrapperStructGui wrapperStructGui{
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op::flagsToDisplayMode(FLAGS_display, FLAGS_3d), !FLAGS_no_gui_verbose, FLAGS_fullscreen};
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opWrapper.configure(wrapperStructGui);
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// Set to single-thread (for sequential processing and/or debugging and/or reducing latency)
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if (FLAGS_disable_multi_thread)
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opWrapper.disableMultiThreading();
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}
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catch (const std::exception& e)
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{
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op::error(e.what(), __LINE__, __FUNCTION__, __FILE__);
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}
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}
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int tutorialApiCpp()
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{
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try
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{
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op::log("Starting OpenPose demo...", op::Priority::High);
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const auto opTimer = op::getTimerInit();
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// OpenPose wrapper
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op::log("Configuring OpenPose...", op::Priority::High);
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op::Wrapper opWrapper;
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configureWrapper(opWrapper);
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// Start, run, and stop processing - exec() blocks this thread until OpenPose wrapper has finished
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op::log("Starting thread(s)...", op::Priority::High);
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opWrapper.exec();
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// Measuring total time
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op::printTime(opTimer, "OpenPose demo successfully finished. Total time: ", " seconds.", op::Priority::High);
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// Return
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return 0;
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}
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catch (const std::exception& e)
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{
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return -1;
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}
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}
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int main(int argc, char *argv[])
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{
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// Parsing command line flags
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gflags::ParseCommandLineFlags(&argc, &argv, true);
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// Running tutorialApiCpp
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return tutorialApiCpp();
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}
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@@ -11,7 +11,7 @@ set(EXAMPLE_FILES
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10_asynchronous_custom_output.cpp
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11_asynchronous_custom_input_output_and_datum.cpp
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12_synchronous_custom_input.cpp
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# 13_synchronous_custom_preprocessing.cpp
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13_synchronous_custom_preprocessing.cpp
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14_synchronous_custom_postprocessing.cpp
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15_synchronous_custom_output.cpp
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16_synchronous_custom_all_and_datum.cpp)
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