Vector transform coder with multi-layered codebooks and dynamic bit allocation
 In a vector transform coding (VTC) scheme for image and video compression, a multi-layered codebook structure and a dynamic bit-allocation scheme in the vector transform domain are employed. The main advantage of this technique is that distortion is controlled by dynamically allocating more bits to vectors causing larger distortions and less bits to vectors causing smaller distortions. 
GTE Laboratories Incorporated
G
G06T
inventional
Weiping Ya-Qin
Li Zhang