Patent Document ID: 9824486
Application ID: 14572524
Patent Status: 1

Claim One:
1. A computer implemented method of rendering a free view image of a captured scene, the method comprising: accessing a plurality of input images stored in a memory of a computing device and corresponding to a plurality of reference viewpoints, wherein an input image represents a planar image of the captured scene at a respective reference viewpoint; receiving a requested viewpoint; generating, by a processor of the computing device, an initial synthesis image based on the plurality of input images using a homography transformation of one of the input images and average color intensity values of pixels included in the plurality of input images; calculating, by the processor of the computing device, geometric registration parameters and photometric regulation parameters of the plurality of input images, wherein the geometric registration parameters comprise at least one planar homography transformation matrix between the plurality of input images; calculating the at least one planar homographic transformation matrix by extracting and matching scale-invariant feature transform (SIFT) points in the initial synthesis image and the plurality of input images in accordance with direct linear transformation (DLT) using a random sample consensus (RANSAC) method; calculating photometric regulation parameters in accordance with a linear regression method; and generating, by the processor of the computing device, a new synthesis image representing a planar image of the captured scene in the requested viewpoint to refine the initial synthesis image based on an interpolation of the plurality of input images, the geometric registration parameters, and the photometric regulation parameters.