中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
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Analysis of Detailed Lake Variations and Associated Hydrologic Driving Factors in a Semi-Arid Ungauged Closed Watershed 期刊论文  OAI收割
SUSTAINABILITY, 2023, 卷号: 15, 期号: 8, 页码: 20
作者:  
Wang, Ning;  Yang, Jingbo;  Zhang, Zaiyong;  Xiao, Yong;  Wang, Hanbing
  |  收藏  |  浏览/下载:42/0  |  提交时间:2023/11/15
Analysis of Detailed Lake Variations and Associated Hydrologic Driving Factors in a Semi-Arid Ungauged Closed Watershed 期刊论文  OAI收割
SUSTAINABILITY, 2023, 卷号: 15, 期号: 8, 页码: 20
作者:  
Wang, Ning;  Yang, Jingbo;  Zhang, Zaiyong;  Xiao, Yong;  Wang, Hanbing
  |  收藏  |  浏览/下载:3/0  |  提交时间:2024/11/08
Observation of total solar irradiance (EI CONFERENCE) 会议论文  OAI收割
2012 World Automation Congress, WAC 2012, June 24, 2012 - June 28, 2012, Puerto Vallarta, Mexico
作者:  
Fang W.;  Zhang H.;  Chen Y.;  Wang K.;  Zhang H.
收藏  |  浏览/下载:26/0  |  提交时间:2013/03/25
Efficient rate control technique for CCSDS image encoding (EI CONFERENCE) 会议论文  OAI收割
IEEE 2nd International Conference on Computing, Control and Industrial Engineering, CCIE 2011, August 20, 2011 - August 21, 2011, Wuhan, China
Jin L.
收藏  |  浏览/下载:95/0  |  提交时间:2013/03/25
For the limitation of data transmission bandwidth and real time transmission demand  generally image compression is required to implement the precise and flexible rate control algorithm. Rate control is an important issue in the image compression field. This paper considers the problem of rate allocation to each encoded segment for CCSDS image compression. One straightforward method is to allocate an equal amount of rate to each segment based on the average of the total number of compressed bytes. The obvious drawback of this method is that different segment will be reconstructed to different quality  so the overall quality of the reconstructed image will not be optimized. For the shortage of the original rate control method  as to improve the overall quality of the reconstructed image  an improved rate control algorithm is proposed for CCSDS image encoding. The key component of the proposed rate control method is the appropriate rate allocation. Experiments on the test images show that the PSNR can be increased at about 0.3dB on average  compared to the original algorithm. Therefore  experimental results confirm the effectiveness of the proposed algorithm in terms of objective evaluation  and the rate-distortion performance of the reconstructed image is improved. 2011 IEEE.  
The study of the experiment with oil shale characteristics (EI CONFERENCE) 会议论文  OAI收割
2011 International Conference on Materials for Renewable Energy and Environment, ICMREE2011, May 20, 2011 - May 22, 2011, Shanghai, China
Zhao X.; Xiong W.
收藏  |  浏览/下载:18/0  |  提交时间:2013/03/25