# Emit ray from src camera and project onto tgt camera screen
setting = EpiAttentionSettings(
    image_height=image_height,  # image height
    image_width=image_width,    # image width
    tan_fov=tan_fov,            # math.tan(0.5 * fov)
    projmatrix=full_proj_matrix,# full projection matrix of tgt camera
    unproj_depth=1.5,           # camera distance
    dilate_size=1               # dilated size [-d, d], 0 for none
)
attn = EpiAttention(setting)
mask = attn.compute_attention_mask(pose)    # src camera pose(c2w)
# return type [hw, hw] from src to tgt.

python test.py

python visualize.py