mirror of
https://github.com/gosticks/openpose.git
synced 2026-08-12 20:30:20 +00:00
Added and cleaned some examples
This commit is contained in:
@@ -0,0 +1,244 @@
|
||||
// ----------------------- OpenPose C++ API Tutorial - Example 8 - Heatmaps from image -----------------------
|
||||
// It reads an image, process it, and displays it with the body heatmaps. In addition, it includes all the
|
||||
// OpenPose configuration flags (enable/disable hand, face, output saving, etc.).
|
||||
|
||||
// Command-line user intraface
|
||||
#define OPENPOSE_FLAGS_DISABLE_PRODUCER
|
||||
#define OPENPOSE_FLAGS_DISABLE_DISPLAY
|
||||
#include <openpose/flags.hpp>
|
||||
// OpenPose dependencies
|
||||
#include <openpose/headers.hpp>
|
||||
|
||||
// Custom OpenPose flags
|
||||
// Producer
|
||||
DEFINE_string(image_path, "examples/media/COCO_val2014_000000000294.jpg",
|
||||
"Process an image. Read all standard formats (jpg, png, bmp, etc.).");
|
||||
// Display
|
||||
DEFINE_bool(no_display, false,
|
||||
"Enable to disable the visual display.");
|
||||
|
||||
// This worker will just read and return all the jpg files in a directory
|
||||
bool display(
|
||||
const std::shared_ptr<std::vector<std::shared_ptr<op::Datum>>>& datumsPtr, const int desiredChannel = 0)
|
||||
{
|
||||
try
|
||||
{
|
||||
if (datumsPtr != nullptr && !datumsPtr->empty())
|
||||
{
|
||||
// Note: Heatmaps are in net_resolution size, which does not necessarily match the final image size
|
||||
// Read heatmaps
|
||||
auto& poseHeatMaps = datumsPtr->at(0)->poseHeatMaps;
|
||||
// Read desired channel
|
||||
const auto numberChannels = poseHeatMaps.getSize(0);
|
||||
const auto height = poseHeatMaps.getSize(1);
|
||||
const auto width = poseHeatMaps.getSize(2);
|
||||
const cv::Mat desiredChannelHeatMap(
|
||||
height, width, CV_32F, &poseHeatMaps.getPtr()[desiredChannel % numberChannels*height*width]);
|
||||
// Read image used from OpenPose body network (same resolution than heatmaps)
|
||||
auto& inputNetData = datumsPtr->at(0)->inputNetData[0];
|
||||
const cv::Mat inputNetDataB(
|
||||
height, width, CV_32F, &inputNetData.getPtr()[0]);
|
||||
const cv::Mat inputNetDataG(
|
||||
height, width, CV_32F, &inputNetData.getPtr()[height*width]);
|
||||
const cv::Mat inputNetDataR(
|
||||
height, width, CV_32F, &inputNetData.getPtr()[2*height*width]);
|
||||
cv::Mat netInputImage;
|
||||
cv::merge({inputNetDataB, inputNetDataG, inputNetDataR}, netInputImage);
|
||||
netInputImage = (netInputImage+0.5)*255;
|
||||
// Turn into uint8 cv::Mat
|
||||
cv::Mat netInputImageUint8;
|
||||
netInputImage.convertTo(netInputImageUint8, CV_8UC1);
|
||||
cv::Mat desiredChannelHeatMapUint8;
|
||||
desiredChannelHeatMap.convertTo(desiredChannelHeatMapUint8, CV_8UC1);
|
||||
// Combining both images
|
||||
cv::Mat imageToRender;
|
||||
cv::applyColorMap(desiredChannelHeatMapUint8, desiredChannelHeatMapUint8, cv::COLORMAP_JET);
|
||||
cv::addWeighted(netInputImageUint8, 0.5, desiredChannelHeatMapUint8, 0.5, 0., imageToRender);
|
||||
// Display image
|
||||
cv::imshow(OPEN_POSE_NAME_AND_VERSION + " - Tutorial C++ API", imageToRender);
|
||||
}
|
||||
else
|
||||
op::log("Nullptr or empty datumsPtr found.", op::Priority::High);
|
||||
const auto key = (char)cv::waitKey(1);
|
||||
return (key == 27);
|
||||
}
|
||||
catch (const std::exception& e)
|
||||
{
|
||||
op::error(e.what(), __LINE__, __FUNCTION__, __FILE__);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
void printKeypoints(const std::shared_ptr<std::vector<std::shared_ptr<op::Datum>>>& datumsPtr)
|
||||
{
|
||||
try
|
||||
{
|
||||
// Example: How to use the pose keypoints
|
||||
if (datumsPtr != nullptr && !datumsPtr->empty())
|
||||
{
|
||||
const auto& poseHeatMaps = datumsPtr->at(0)->poseHeatMaps;
|
||||
const auto numberChannels = poseHeatMaps.getSize(0);
|
||||
const auto height = poseHeatMaps.getSize(1);
|
||||
const auto width = poseHeatMaps.getSize(2);
|
||||
op::log("Body heatmaps has " + std::to_string(numberChannels) + " channels, and each channel has a"
|
||||
" dimension of " + std::to_string(width) + " x " + std::to_string(height) + " pixels.",
|
||||
op::Priority::High);
|
||||
}
|
||||
else
|
||||
op::log("Nullptr or empty datumsPtr found.", op::Priority::High);
|
||||
}
|
||||
catch (const std::exception& e)
|
||||
{
|
||||
op::error(e.what(), __LINE__, __FUNCTION__, __FILE__);
|
||||
}
|
||||
}
|
||||
|
||||
void configureWrapper(op::Wrapper& opWrapper)
|
||||
{
|
||||
try
|
||||
{
|
||||
// Configuring OpenPose
|
||||
|
||||
// logging_level
|
||||
op::check(0 <= FLAGS_logging_level && FLAGS_logging_level <= 255, "Wrong logging_level value.",
|
||||
__LINE__, __FUNCTION__, __FILE__);
|
||||
op::ConfigureLog::setPriorityThreshold((op::Priority)FLAGS_logging_level);
|
||||
op::Profiler::setDefaultX(FLAGS_profile_speed);
|
||||
|
||||
// Applying user defined configuration - GFlags to program variables
|
||||
// outputSize
|
||||
const auto outputSize = op::flagsToPoint(FLAGS_output_resolution, "-1x-1");
|
||||
// netInputSize
|
||||
const auto netInputSize = op::flagsToPoint(FLAGS_net_resolution, "-1x368");
|
||||
// faceNetInputSize
|
||||
const auto faceNetInputSize = op::flagsToPoint(FLAGS_face_net_resolution, "368x368 (multiples of 16)");
|
||||
// handNetInputSize
|
||||
const auto handNetInputSize = op::flagsToPoint(FLAGS_hand_net_resolution, "368x368 (multiples of 16)");
|
||||
// poseModel
|
||||
const auto poseModel = op::flagsToPoseModel(FLAGS_model_pose);
|
||||
// JSON saving
|
||||
if (!FLAGS_write_keypoint.empty())
|
||||
op::log("Flag `write_keypoint` is deprecated and will eventually be removed."
|
||||
" Please, use `write_json` instead.", op::Priority::Max);
|
||||
// keypointScaleMode
|
||||
const auto keypointScaleMode = op::flagsToScaleMode(FLAGS_keypoint_scale);
|
||||
// heatmaps to add
|
||||
const auto heatMapTypes = op::flagsToHeatMaps(FLAGS_heatmaps_add_parts, FLAGS_heatmaps_add_bkg,
|
||||
FLAGS_heatmaps_add_PAFs);
|
||||
const auto heatMapScaleMode = op::flagsToHeatMapScaleMode(FLAGS_heatmaps_scale);
|
||||
// >1 camera view?
|
||||
const auto multipleView = (FLAGS_3d || FLAGS_3d_views > 1);
|
||||
// Face and hand detectors
|
||||
const auto faceDetector = op::flagsToDetector(FLAGS_face_detector);
|
||||
const auto handDetector = op::flagsToDetector(FLAGS_hand_detector);
|
||||
// Enabling Google Logging
|
||||
const bool enableGoogleLogging = true;
|
||||
|
||||
// Pose configuration (use WrapperStructPose{} for default and recommended configuration)
|
||||
const op::WrapperStructPose wrapperStructPose{
|
||||
!FLAGS_body_disable, netInputSize, outputSize, keypointScaleMode, FLAGS_num_gpu, FLAGS_num_gpu_start,
|
||||
FLAGS_scale_number, (float)FLAGS_scale_gap, op::flagsToRenderMode(FLAGS_render_pose, multipleView),
|
||||
poseModel, !FLAGS_disable_blending, (float)FLAGS_alpha_pose, (float)FLAGS_alpha_heatmap,
|
||||
FLAGS_part_to_show, FLAGS_model_folder, heatMapTypes, heatMapScaleMode, FLAGS_part_candidates,
|
||||
(float)FLAGS_render_threshold, FLAGS_number_people_max, FLAGS_maximize_positives, FLAGS_fps_max,
|
||||
FLAGS_prototxt_path, FLAGS_caffemodel_path, enableGoogleLogging};
|
||||
opWrapper.configure(wrapperStructPose);
|
||||
// Face configuration (use op::WrapperStructFace{} to disable it)
|
||||
const op::WrapperStructFace wrapperStructFace{
|
||||
FLAGS_face, faceDetector, faceNetInputSize,
|
||||
op::flagsToRenderMode(FLAGS_face_render, multipleView, FLAGS_render_pose),
|
||||
(float)FLAGS_face_alpha_pose, (float)FLAGS_face_alpha_heatmap, (float)FLAGS_face_render_threshold};
|
||||
opWrapper.configure(wrapperStructFace);
|
||||
// Hand configuration (use op::WrapperStructHand{} to disable it)
|
||||
const op::WrapperStructHand wrapperStructHand{
|
||||
FLAGS_hand, handDetector, handNetInputSize, FLAGS_hand_scale_number, (float)FLAGS_hand_scale_range,
|
||||
op::flagsToRenderMode(FLAGS_hand_render, multipleView, FLAGS_render_pose), (float)FLAGS_hand_alpha_pose,
|
||||
(float)FLAGS_hand_alpha_heatmap, (float)FLAGS_hand_render_threshold};
|
||||
opWrapper.configure(wrapperStructHand);
|
||||
// Extra functionality configuration (use op::WrapperStructExtra{} to disable it)
|
||||
const op::WrapperStructExtra wrapperStructExtra{
|
||||
FLAGS_3d, FLAGS_3d_min_views, FLAGS_identification, FLAGS_tracking, FLAGS_ik_threads};
|
||||
opWrapper.configure(wrapperStructExtra);
|
||||
// Output (comment or use default argument to disable any output)
|
||||
const op::WrapperStructOutput wrapperStructOutput{
|
||||
FLAGS_cli_verbose, FLAGS_write_keypoint, op::stringToDataFormat(FLAGS_write_keypoint_format),
|
||||
FLAGS_write_json, FLAGS_write_coco_json, FLAGS_write_coco_foot_json, FLAGS_write_coco_json_variant,
|
||||
FLAGS_write_images, FLAGS_write_images_format, FLAGS_write_video, FLAGS_write_video_fps,
|
||||
FLAGS_write_video_with_audio, FLAGS_write_heatmaps, FLAGS_write_heatmaps_format, FLAGS_write_video_3d,
|
||||
FLAGS_write_video_adam, FLAGS_write_bvh, FLAGS_udp_host, FLAGS_udp_port};
|
||||
opWrapper.configure(wrapperStructOutput);
|
||||
// No GUI. Equivalent to: opWrapper.configure(op::WrapperStructGui{});
|
||||
// Set to single-thread (for sequential processing and/or debugging and/or reducing latency)
|
||||
if (FLAGS_disable_multi_thread)
|
||||
opWrapper.disableMultiThreading();
|
||||
}
|
||||
catch (const std::exception& e)
|
||||
{
|
||||
op::error(e.what(), __LINE__, __FUNCTION__, __FILE__);
|
||||
}
|
||||
}
|
||||
|
||||
int tutorialApiCpp()
|
||||
{
|
||||
try
|
||||
{
|
||||
op::log("Starting OpenPose demo...", op::Priority::High);
|
||||
const auto opTimer = op::getTimerInit();
|
||||
|
||||
// Required flags to enable heatmaps
|
||||
FLAGS_heatmaps_add_parts = true;
|
||||
FLAGS_heatmaps_add_bkg = true;
|
||||
FLAGS_heatmaps_add_PAFs = true;
|
||||
FLAGS_heatmaps_scale = 2;
|
||||
|
||||
// Configuring OpenPose
|
||||
op::log("Configuring OpenPose...", op::Priority::High);
|
||||
op::Wrapper opWrapper{op::ThreadManagerMode::Asynchronous};
|
||||
configureWrapper(opWrapper);
|
||||
|
||||
// Starting OpenPose
|
||||
op::log("Starting thread(s)...", op::Priority::High);
|
||||
opWrapper.start();
|
||||
|
||||
// Process and display image
|
||||
const auto imageToProcess = cv::imread(FLAGS_image_path);
|
||||
auto datumProcessed = opWrapper.emplaceAndPop(imageToProcess);
|
||||
if (datumProcessed != nullptr)
|
||||
{
|
||||
printKeypoints(datumProcessed);
|
||||
if (!FLAGS_no_display)
|
||||
{
|
||||
const auto numberChannels = datumProcessed->at(0)->poseHeatMaps.getSize(0);
|
||||
for (auto desiredChannel = 0 ; desiredChannel < numberChannels ; desiredChannel++)
|
||||
if (display(datumProcessed, desiredChannel))
|
||||
break;
|
||||
}
|
||||
}
|
||||
else
|
||||
op::log("Image could not be processed.", op::Priority::High);
|
||||
|
||||
// Info
|
||||
op::log("NOTE: In addition with the user flags, this demo has auto-selected the following flags:\n"
|
||||
" `--heatmaps_add_parts --heatmaps_add_bkg --heatmaps_add_PAFs`",
|
||||
op::Priority::High);
|
||||
|
||||
// Measuring total time
|
||||
op::printTime(opTimer, "OpenPose demo successfully finished. Total time: ", " seconds.", op::Priority::High);
|
||||
|
||||
// Return
|
||||
return 0;
|
||||
}
|
||||
catch (const std::exception& e)
|
||||
{
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
// Parsing command line flags
|
||||
gflags::ParseCommandLineFlags(&argc, &argv, true);
|
||||
|
||||
// Running tutorialApiCpp
|
||||
return tutorialApiCpp();
|
||||
}
|
||||
Reference in New Issue
Block a user