| EBCOT双上下文窗口并行编码及FPGA实现 |
| |
| 引用本文： | 严青,郭炜.EBCOT双上下文窗口并行编码及FPGA实现[J].微电子学与计算机,2007,24(5):179-183. |
| |
| 作者姓名： | 严青 郭炜 |
| |
| 作者单位： | 上海交通大学,微电子学院,上海,200030 |
| |
| 摘 要： | JPEG2000编码系统中，EBCOT的编码速度已经成为整个系统编码效率的瓶颈。通过研究EBCOT编码原理和通道并行算法的编码过程，提出了双上下文窗口位并行的EBCOT系数位建模方法。详细说明了使用该算法的系数位建模系统的硬件结构。系数位编码系统有效减少了编码时钟周期数，并在FPGA上进行了功能验证。
|
| 关 键 词： | 通道并行 双上下文窗口 |
| 文章编号： | 1000-7180（2007）05-0179-05 |
| 修稿时间： | 2006-05-13 |
Dual Context Window Bit-Parallel Coding for EBCOT and FPGA Architecture |
| |
| YAN Qing,GUO Wei.Dual Context Window Bit-Parallel Coding for EBCOT and FPGA Architecture[J].Microelectronics & Computer,2007,24(5):179-183. |
| |
| Authors: | YAN Qing GUO Wei |
| |
| Affiliation: | School of Microelectronic, Shanghai Jiaotong University, Shanghai 200030, China |
| |
| Abstract: | The EBCOT coding efficiency becomes the bottleneck in JPEG2000 encoder system. After the detailed analysis of EBCOT algorithm and pass-parallel coding technique, a dual context window bit-parallel coding method and its architecture for hardware implementation are proposed. The novel context window bit-parallel coding system improves the system performance significantly by reducing the number of clock cycles, and it was verified on FPGA. |
| |
| Keywords: | JPEG2000 EBCOT |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
