中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
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A Survey of Non-Volatile Main Memory File Systems 期刊论文  OAI收割
JOURNAL OF COMPUTER SCIENCE AND TECHNOLOGY, 2023, 卷号: 38, 期号: 2, 页码: 348-372
作者:  
Wang, Ying;  Jia, Wen-Qing;  Jiang, De-Jun;  Xiong, Jin
  |  收藏  |  浏览/下载:12/0  |  提交时间:2023/12/04
PRO: A periodical reset optimized page migration scheme for hybrid memory system 期刊论文  OAI收割
JOURNAL OF SYSTEMS ARCHITECTURE, 2020, 卷号: 111, 页码: 13
作者:  
Niu, Na;  Fu, Fangfa;  Yang, Bing;  Yuan, Jiacai;  Lai, Fengchang
  |  收藏  |  浏览/下载:22/0  |  提交时间:2021/12/10
Power-Utility-Driven Write Management for MLC PCM 期刊论文  OAI收割
ACM JOURNAL ON EMERGING TECHNOLOGIES IN COMPUTING SYSTEMS, 2017, 卷号: 13, 期号: 3, 页码: 22
作者:  
Li, Bing;  Hu, Yu;  Wang, Ying;  Ye, Jing;  Li, Xiaowei
  |  收藏  |  浏览/下载:34/0  |  提交时间:2019/12/12
Novel soluble and optically active polyimides containing axially asymmetric 9,9 '-spirobifluorene units: Synthesis, thermal, optical and chiral properties 期刊论文  OAI收割
polymer, 2012, 卷号: 53, 期号: 25, 页码: 5706-5716
Wu ZL; Han BC; Zhang CH; Zhu DY; Gao LX; Ding MX; Yang ZH
收藏  |  浏览/下载:21/0  |  提交时间:2013/03/18
Compression of remote sensing image based on Listless Zerotree Coding and DPCM (EI CONFERENCE) 会议论文  OAI收割
ICO20: Remote Sensing and Infrared Devices and Systems, August 21, 2005 - August 26, 2005, Changchun, China
Chen S.-L.; Huang L.-Q.
收藏  |  浏览/下载:34/0  |  提交时间:2013/03/25
The data quantity of remote sensing image is very large. Furthermore  the lowest frequency subband contains the main energy of original image and reflects the coarse of original image after remote sensing image is transformed by wavelet  so it is very important to the reconstructed image. Therefore a hybrid image compression method based on Listless Zerotree Coding (LZC) and DPCM is presented  namely  the lowest frequency subband is compressed by DPCM and others are compressed by LZC. LZC is a kind of zerotree coding algorithm for hardware implementation  which is based on SPIHT and substitutes two significant bit maps for three lists in SPIHT algorithm. Thereby LZC significantly reduces the memory requirement and complexity during encoding and decoding procedure. But LZC doesn't recognize the significance of grandchild sets  so the PSNR values of LZC are lower than SPIHT's and the compression speed drops. It is improved by adding a significant bit map that recognizes the significance of grandchild sets. A comparison reveals that the PSNR results of the hybrid compression method are 2 dB higher than those of LZC  and the compression speed is also improved.