Title :
Compression of human body sequences using graph Wavelet Filter Banks
Author :
Nguyen, Ha Q. ; Chou, Philip A. ; Yinpeng Chen
Author_Institution :
Univ. of Illinois at Urbana-Champaign, Urbana, IL, USA
Abstract :
The next step in immersive communication beyond video from a single camera is object-based free viewpoint video, which is the capture and compression of a dynamic object such that it can be reconstructed and viewed from an arbitrary viewpoint. The moving human body is a particularly useful subclass of dynamic object for object-based free viewpoint video relevant to both telepresence and entertainment. In this paper, we compress moving human body sequences by applying recently developed Graph Wavelet Filter Banks to time-varying geometry and color signals living on a mesh representation of the human body. This model-based approach significantly outperforms state-of-the-art coding of the human body represented as ordinary depth plus color video sequences.
Keywords :
channel bank filters; computational geometry; data compression; graph theory; image colour analysis; image reconstruction; image representation; image sensors; image sequences; mesh generation; video coding; wavelet transforms; color signals; dynamic object compression; graph wavelet filter banks; mesh representation; moving human body sequence compression; object-based free viewpoint video; time-varying geometry; Animation; Color; Geometry; Image coding; Image color analysis; Three-dimensional displays; Transforms;
Conference_Titel :
Acoustics, Speech and Signal Processing (ICASSP), 2014 IEEE International Conference on
Conference_Location :
Florence
DOI :
10.1109/ICASSP.2014.6854786