Light Field Sampling

Cha Zhang · Tsuhan Chen

ม.ค. 2006 · Synthesis lectures on image, video, and multimedia processing หนังสือเล่มที่ 6 · Morgan & Claypool Publishers

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Light field is one of the most representative image-based rendering techniques that generate novel virtual views from images instead of 3D models. The light field capture and rendering process can be considered as a procedure of sampling the light rays in the space and interpolating those in novel views. As a result, light field can be studied as a high-dimensional signal sampling problem, which has attracted a lot of research interest and become a convergence point between computer graphics and signal processing, and even computer vision. This lecture focuses on answering two questions regarding light field sampling, namely how many images are needed for a light field, and if such number is limited, where we should capture them.