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OpenPose Library - Release Notes

OpenPose 1.0.0rc1

  1. Initial version, main functionality:
    1. Body keypoint detection and rendering in Ubuntu 14 and 16.
    2. It can read an image directory, video or webcam.
    3. It can display the results or storing them on disk.

OpenPose 1.0.0rc2

  1. Main improvements:
    1. Rendering max resolution from 720p to >32k images.
    2. Highly improved documentation.
  2. Functions or parameters renamed:
    1. Demo renamed from rtpose to openpose.
  3. Main bugs fixed:
    1. Demo uses exec instead of start, so it works with more OpenCV custom compiled versions.

OpenPose 1.0.0rc3

  1. Main improvements:
    1. Added face keypoint detection.
    2. Added Windows 10 compatibility.
    3. Auto-detection of the number of GPUs.
    4. MPI visualization more similar to COCO one.
    5. Rendering max resolution from 720p to >32k images.
    6. GUI info adder working when the worker TDatum has more than 1 Datum.
    7. It prints out the error description before throwing the exception (so that it is written on the Windows cmd).
    8. Highly improved documentation.
  2. Functions or parameters renamed:
    1. Flag write_pose renamed as write_keypoint and it also applies to face and/or hands.
    2. Flag write_pose_json renamed as write_keypoint_json and it also applies to face and/or hands.
    3. Flag write_pose_format renamed as write_keypoint_format and it also applies to face and/or hands.
    4. PoseSaver and its JSON variant renamed as KeypointSaver.
    5. PoseJsonCocoSaver renamed as CocoJsonSaver.
  3. Main bugs fixed:
    1. All visualization functions moved to same thread, so it works with most OpenCV custom compiled versions.
    2. Fixed error on debug mode: Too many resources requested for launch.

OpenPose 1.0.0

  1. Main improvements:
    1. Added hand keypoint detection.
    2. Windows branch merged to master branch.
    3. Face and hands use Maximum instead of Nms, since there is only 1 person / detection.
    4. Increased accuracy on multi-scale (added Datum::scaleRatios to save the relative scale ratio when multi-scale).
    5. Increased speed ~5% by adding CPU rendering (but GPU is the default rendering).
    6. Rendering colors modified, visually better results.
    7. Rendering threshold for pose, face and hands becomes user-configurable.
    8. Check() functions give more feedback.
    9. WCocoJsonSaver finished and removed its 3599-image limit.
    10. Added camera_fps so generated video will use that frame rate.
    11. Reduced the number of printed information messages. Default logging priority threshold increased to Priority::Max.
    12. Google flags to OpenPose configuration parameters reader moved from each demo to utilities/flagsToOpenPose.
    13. Nms classes do not use numberParts for Reshape, they deduce the value.
    14. Improved documentation.
  2. Functions or parameters renamed:
    1. Render flags renamed in the demo in order to incorporate the CPU/GPU rendering.
    2. Keypoints saved in JSON files (write_keypoint_json) are now saved as pose_keypoints, face_keypoints, hand_left_keypoints, and hand_right_keypoints. They all were previously saved as body_parts.
    3. Flag num_scales renamed as scale_number.
    4. All hand and pose flags renamed such as they start by hand_ and face_ respectively.
  3. Main bugs fixed:
    1. Fixed bug in Array::getConstCvMat() if mVolume=0, now returning empty cv::Mat.
    2. Fixed bug: --process_real_time threw error with webcam.
    3. Fixed bug: Face not working when input and output resolutions are different.
    4. Fixed some bugs that prevented debug version to run.
    5. Face saved in JSON files were called body_parts. Now they are called face_keypoints.

OpenPose 1.0.1

  1. Main improvements:
    1. Windows library turned into DLL dynamic library (i.e. portable).
    2. Improved documentation.
  2. Functions or parameters renamed:
    1. openpose/utilities/macros.hpp moved to openpose/utilities/macros.hpp.

OpenPose 1.0.2

  1. Main improvements:
    1. Added OpenCV 3.3 compatibility.
    2. Caffe turned into DLL library.
    3. OpenPose is now completely portable across Windows 10 computers (with Nvidia graphic card).
    4. Added OpenPose 1.0.1 portable demo.
    5. Removed Python and some unnecessary boost dependencies on the VS project.
    6. Replaced all double quotes by angle brackets in include statements (issue #61).
    7. Added 3-D reconstruction demo.
    8. Auto-detection of the camera index.
    9. Speed up of ~30% in op::floatPtrToUCharCvMat.
    10. COCO extractor now extracts image ID from the image name itslef (format "string_%d"). Before, only working with validation test, now applicable to e.g. test sets.
    11. Changed display texts, added OpenPose name.
  2. Main bugs fixed:
    1. Pycaffe can now be imported from Python.
    2. Fixed Tutorial/Wrapper VS linking errors.

OpenPose 1.1.0

  1. Main improvements:
    1. Added CMake installer for Ubuntu.
    2. Added how to use keypoint data in examples/tutorial_wrapper/.
    3. Added flag for warnings of type -Wsign-compare and removed in code.
    4. Slightly improved accuracy by considering ears-shoulder connection (e.g. +0.4 mAP for 1 scale in validation set).
  2. Main bugs fixed:
    1. Windows version crashing with std::map copy.

Current version (future OpenPose 1.2.0)

  1. Main improvements:
    1. COCO JSON file outputs 0 as score for non-detected keypoints.
    2. Added example for OpenPose for user asynchronous output and cleaned all tutorial_wrapper/ examples.
    3. Added -1 option for net_resolution in order to auto-select the best possible aspect ratio given the user input.
    4. Output images can have the input size, OpenPose able to change its size for each image and not required fixed size anymore.
      1. FrameDisplayer accepts variable size images by rescaling every time a frame with bigger width or height is displayed (gui module).
      2. OpOutputToCvMat & GuiInfoAdder does not require to know the output size at construction time, deduced from each image.
      3. CvMatToOutput and Renderers allow to keep input resolution as output for images (core module).
  2. Functions or parameters renamed:
    1. OpenPose able to change its size and initial size:
      1. Flag resolution renamed as output_resolution.
      2. FrameDisplayer, GuiInfoAdder and Gui constructors arguments modified (gui module).
      3. OpOutputToCvMat constructor removed (core module).
      4. New Renders classes to split GpuRenderers from CpuRenderers.