OpenSim

Takashi Fukushima - Human Pose Estimation x XR x AI

Motion Capture & Performance Analysis (a foundational overview)

tikitaka1922 / 2026年7月1日

A foundational overview: marker-based vs markerless pose estimation, the OpenPose/MediaPipe/MeTRAbs coordinate systems, ~10 degree accuracy and why errors happen, kinematics vs kinetics, capture frameworks, and a single-camera to OpenSim example.

Human Pose Estimation

How To Use OpenPose and OpenCap (free markerless motion capture)

tikitaka1922 / 2026年7月1日

A practical getting-started guide to two free markerless motion-capture tools: OpenPose (install the demo, fix the models, run it) and OpenCap (2 iOS cameras, calibration, and 3D capture).

Human Pose Estimation

OpenPose and 3D Reconstruction – Part 4: Kinematic Simulation

tikitaka1922 / 2026年7月1日

Part 4: driving an OpenSim model with the reconstructed motion – convert to .trc, LSTM marker augmentation (OpenCap), scale the model, and run inverse kinematics.