Validate that frame contains minimum required bodies. Args: human_frame: Dictionary of body data

Add an asset

Add a Markerset

Add a rigid body

计算第一个四元数的 z 轴转角，并对所有位移值应用补偿旋转（反向旋转）。 参数： quaternions: n x 4 的 NumPy 数组，每行是一个四元数 [w, x, y, z] displacements: n

补偿 n x 4 四元数数组中所有四元数的 z 轴转角，使其等于第一个四元数的 z 轴转角归零。 参数： quaternions: n x 4 的 NumPy 数组，每行是一个四元数 [w, x, y, z] 返回：

Takes in timecode and decodes it

Convert Euler angles (in degrees) to quaternion(wxyz) in xyz order.

将窗口 offsets 格式化为 JSON 保存格式。

Get force plate calibration matrix as string

获取当前选定关节和通道的数据，并应用偏移

Get controller data for specific frame index

Get force plate corner positions as a string

Get information about the current frame. Returns: Dictionary with frame metadata

Must return a dictionary with the following structure: { "Hips": (position, orientation), "Spine": (position, orientation),

Get headset pose for specific frame index

Extract the same test set as in the article, given the location of the BVH files. :param bvh_path: Path to the dataset BVH files :param

Determine list name and position of the object

Get processed body data for specific frame index

Computes vector norm along a tensor axis(axes) :param x: tensor :param axis: axis(axes) along which to compute the norm :param keepd

Must return a dictionary with the following structure: { "Hips": (position, orientation), "Spine": (position, orientation),

Must return a dictionary with the following structure: { "Hips": (position, orientation), "Spine": (position, orientation),

find the lowest point of the human data and offset the human data to the ground

Print a summary of the current frame data. Args: human_frame: Current human frame data

Quaternion rotations between two 3D-vector arrays :param x: tensor of 3D vectors :param y: tensor of 3D vetcors :return: tensor of q

Performs Forward Kinematics (FK) on local quaternions and local positions to retrieve global representations :param lrot: tensor of local qu

Performs Forward Kinematics (FK) on local quaternions and local positions to retrieve global representations :param lrot: tensor of local qu

Performs Inverse Kinematics (IK) on global quaternions and global positions to retrieve local representations :param grot: tensor of global

Performs quaternion multiplication on arrays of quaternions :param x: tensor of quaternions of shape (..., Nb of joints, 4) :param y: te

Performs multiplication of an array of 3D vectors by an array of quaternions (rotation). :param q: tensor of quaternions of shape (..., Nb o

Performs spherical linear interpolation (SLERP) between x and y, with proportion a :param x: quaternion tensor :param y: quaternion tens

Removing quat discontinuities on the time dimension (removing flips) :param rotations: Array of quaternions of shape (T, J, 4) :return: