Title :
Color-component bit allocation scheme for JPEG 2000 parallel codec
Author :
Tonomura, Yoshihide ; Nakachi, Takayuki ; Shirai, Daisuke ; Fujii, Tatsuya ; Kiya, Hitoshi
Author_Institution :
NTT Network Innovation Labs., Nippon Telegraph & Telephone Corp., Japan
Abstract :
A new bit allocation scheme for JPEG 2000 systems in parallel-distributed environments is proposed. In recent years, super high-definition images are being used for not only digital cinema also alternative services e.g. real-time sports in theaters. In general, such high-definition images are divided into small segments, such as tiles or components, and compressed. However, this process leads to low coding efficiency. In contrast, our proposed scheme controls the bit allocation ratio for each color-component separately by using the quantizer properties available in the JPEG 2000 standard. Simulation results show that the proposed scheme achieves the same coding performance as the non parallel-distributed approach.
Keywords :
image coding; image colour analysis; JPEG 2000 parallel codec; color-component bit allocation scheme; digital cinema; parallel-distributed environments; real time sports; super high-definition images; Bit rate; Encoding; Image coding; Quantization; Resource management; Streaming media; Transform coding; Bit allocation; JPEG 2000; Parallel processing; Rate distortion;
Conference_Titel :
Image Processing (ICIP), 2010 17th IEEE International Conference on
Conference_Location :
Hong Kong
Print_ISBN :
978-1-4244-7992-4
Electronic_ISBN :
1522-4880
DOI :
10.1109/ICIP.2010.5653135