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- DERIVING CLOUD MOTION VECTORS FROM HIGH TEMPORAL RESOLUTION IMAGES BASED ON FOURIER PHASE ANALYSIS TECHNIQUE 基于傅立叶相位分析的卫星云图导风技术
- cloud motion vectors 卫星导风
- The invention enhances the forecasting reliability of the motion vector. 本发明提高了运动矢量预测的可靠性。
- A new scheme of tracer selection is developed to improve the quality and the density of cloud motion winds. 文中设计了一种示踪云选取算法，以改善云迹风的质量和密度分布。
- Then cloud motion winds are derived from these tracers and after a circumfluence analysis on the cloud motion winds, the cloud motion winds are compared with the rawinsonde winds. 对用该方法选取的示踪云进行云迹风反演，然后对反演出的云迹风进行环流分析，并与探空风进行比较。
- Sometimes, motion vectors may be far away from the true motion vector in the blotch area. 在斑点存在的区域，运动向量的估计可能会出现较大的偏差。
- Compressed parameters include type of frame, type of macroblock, DC coefficients, and motion vectors. 演算法中利用的压缩参数主要有帧类型、宏块类型、DC系数、运动向量。
- InplaceMC performs worse than averaging for carphone, because carphone contains very few coded motion vectors. 而在carphone检测序列上却不行，因为carphone检测序列里只存在极少数的经过编码的运动矢量。
- Based on above idea, this article puts forward self-adaptive estimation to motion vectors and makes the abecedarian discussion. 在静态图像自适应分块压缩的基础上,本文提出了对运动矢量自适应估计的初步探讨。
- In frame-skipping transcoding, the forward vector method to compose motion vectors from the incoming bit stream can improve PSNR better than others. 摘要在跳帧转换编码中，利用前向向量法进行运动矢量合成可以得到较好的图像信噪比。
- We propose a fast-search algorithm of HAVS and opitimal search window for refinement of composed motion vectors in frame-skipping transcoding. 本文提出了用HAVS快速搜索算法对合成的运动向量进行修正的方法，同时给出了一个最佳搜索视窗。
- The paper is devoted to the comparison of cloud motion wind generated by a CWIS (cloud motion wind inferring system) to that by JMSC (Japan Meteorological Satellite Center) and radiosoundings. 将云迹风微机导出系统（cloudmotionwindinferingsystem，CWIS）生成的云迹风资料与日本气象卫星中心（Japanmeteorologicalsatelitecenter，JMSC）云迹风资料和无线电探空风资料进行了对比。
- The algorithm embedded robust watermarks into DC coefficients of I-VOP and hided fragile watermarks in motion vectors of P-VOP. 该算法利用MPEG-4压缩技术和本文的图像水印技术，在视频编码I-VOP的DC系数中嵌入鲁棒水印，在P-VOP的运动矢量中隐藏脆弱的高容量水印。
- Finally, the image sequences were compensated with the sum of the coarse motion vector and precise motion vector. 最后将两次匹配得到的运动矢量相加得到最后的运动矢量，补偿图像序列的运动。
- The algorithm can restore the lost motion vectors of error block more accurately so that better video quality can be obtained. 该算法能更精确地恢复错误宏块的运动矢量,从而获得比传统的时域掩盖算法更好的视频质量。
- A new pithy method on the type synthesis of the PM is presented based on motion vector. 并使用该方法为五自由度并联机床构造了并联机构。
- It uses not only motion vectors and reference frames but the modes of macroblocks adjacent to the lost macroblock as well. 该算法根据误码块周围的邻块模式，自适应决定隐藏块的尺寸；
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- Methods in compression field include: matching with DCT coefficient, vector quantization based technique, subband technique, motion vector technique. 压缩域中的方法主要包括:利用DCT系数进行匹配、利用矢量量化的方法、利用子带分解的方法、利用运动矢量的方法。
- For the blocks with poor coherence, full searching BMA with an ordinary range is used, and their motion vectors are at last adjusted by the coherence criterion given in the paper. 对传统的全局搜索块匹配运动估计算法，给出了提高运动矢量一致性的修正准则。
