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Many program analyses are naturally formulated and implemented using inclusion constraints. We present new results on the scalable implementation of such analyses based on two insights: rst, that onl...
Various methods are explored in the computation of time-periodic solutions for autonomous systems. The purpose of the work is to illuminate the capabilities and limitations of methods, including a new...
In 2002, Peterson, et. al. proposed using redundant signal measurements to provide the necessary confidence that the cycles are identified correctly. The proposal used a weighted sum squared error (WS...
For Loran to provide redundancy to GPS for aviation,Loran must meet aviation integrity requirements. The integrity under nominal conditions derives from being able to bound the horizontal position err...
Enhanced Loran (eLoran) is designed to support maritime harbor entrance approach (HEA) operations. As a result, the Radio Technical Commission for Maritime Services (RTCM) special committee 127 (SC127...
This paper provides a historical perspective on the state of the field of software process improvement (SPI). Just as process improvement itself, the development of our expectations regarding process ...
综合利用DCT变换和Cycle Spinning,提出一种新的图像压缩方法。由于图像的DCT压缩是分块完成的,且DCT变换缺乏平移不变性,直接应用DCT变换对图像进行压缩会使压缩重构图像产生块效应和伪吉布斯现象,导致图像失真。引入Cycle Spinning算法能有效地消除图像DCT压缩过程中产生的失真。实验结果表明,与一般图像DCT压缩方法相比,该方法明显改善图像视觉效果,显著提高图像的PSNR...
This paper proposes a fine granularity scalable (FGS) coding using cycle-based leaky prediction, in which the multiple leaky factors are used to yield enhancement layer prediction to make a good...
Cycle Spinning是在图像去噪时使用的一种消除伪吉布斯(Pseudo-Gibbs)现象的方法,目前的文献中较少有使用该方法进行图像融合的研究。尝试结合小波变换和Cycle Spinning循环平移的思想,提出了一种基于小波变换的Cycle Spinning图像融合方法,并在此基础上对平移进行了扩展研究。仿真实验证明该方法与传统DWT方法相比,能较好地保留图像的细节信息,获得更高的PSNR...

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