METHODS AND APPARATUS FOR REFLECTIVE SYMMETRY BASED 3D MODEL COMPRESSION

摘要

Encoders and decoders, and methods of encoding and decoding, are provided for rendering 3D images. The 3D images are decomposed by analyzing components of the 3D images to match reflections of patterns in the 3D images, and to restore the components for further rendering of the 3D image. The encoders and decoders utilize principles of reflective symmetry to effectively match symmetrical points in an image so that the symmetrical points can be characterized by a rotation and translation matrix, thereby reducing the requirement of coding and decoding all of the points in 3D image and increasing computational efficiency.

主权项

1. A method of decoding a 3D image, comprising the steps of:
decoding components of a received bitstream containing 3D components of the image to obtain pattern set of the 3D image; decomposing the components into translation, rotation and reflection information of the pattern; checking a parameter to determine if the pattern may be matched to the components; and reconstructing the image using the component and the pattern set with a decoded rotation matrix of the pattern.