In this paper,we adopt a geometric approach to investigate the minimum sampling problem for light field rendering, with and without geometry information of the scene.
We propose a correction and rectification framework that uses only four images to capture a light field.
We define a representation called the reflected irradiance field which records the light reflected from a scene as viewed at a fixed viewpoint as a result of moving a point light source on a plane.
We propose a correction and rectification framework that uses only four images to capture an ideal light field.