Creates a batch of transformation matrices Args: - R: Bx3x3 array of a batch of rotation matrices - t: Bx3x1 array of

Creates a batch of transformation matrices Args: - R: Bx3x3 array of a batch of rotation matrices - t: Bx3x1 array of

Calculates the 3D joint locations from the vertices Parameters ---------- J_regressor : torch.tensor JxV The regressor array tha

Calculates the 3D joint locations from the vertices Parameters ---------- J_regressor : torch.tensor JxV The regressor array tha

use fixed raster_settings for rendering faces

Constructs the SixDRepNet instance with all necessary attributes. Parameters ---------- gpu:id : int

Calculates landmarks by barycentric interpolation Input: vertices: torch.tensor NxVx3, dtype = torch.float32

Calculates landmarks by barycentric interpolation Input: vertices: torch.tensor NxVx3, dtype = torch.float32

sh_coeff: [bz, 9, 3]

vertices: [bz, nv, 3] lights: [bz, nlight, 6] returns: shading: [bz, nv, 3]

get rotation matrix from three rotation angles(degree). right-handed. Args: angles: [batch_size, 3] tensor containing X, Y, and Z angles.