US Patent 11398019 Light field system occlusion removal

A method of image processing for occlusion removal in images and videos captured by light field camera systems. The method comprises: capturing a plurality of camera views using a plurality of cameras; capturing a plurality of depth maps using a plurality of depth sensors; generating a depth map for each camera view; calculating a target view on a focal plane corresponding to a virtual camera; set a weighting function on the pixels on the camera views based on the depth map and a virtual distance; and blending the pixels in accordance with the weighting function to generate a refocused target view.