排序方式: 共有7条查询结果,搜索用时 15 毫秒
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The new features of H.264 video coding standard make the motion estimation module much more time consuming than before.Especially,the motion search is required for each of the 4 modes for inter prediction.In order to reduce the computational complexity,we analyze the statistics of results of motion estimation,such as the continuity of best modes of blocks in successive frames and the chance to give up a sub-partition mode(smaller than 16×16)after integer-pixel motion estimation,from which we suggest to make... 相似文献
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针对多视点视频编码复杂度高的问题,提出一种基于分层B帧视点-时间预测结构的运动和视差联合估计快速算法.利用参考帧图像和当前编码图像的运动矢量及视差矢量之间的几何关系,设计可靠的预测矢量作为搜索起始点,并分别在不同方向的参考帧内进行小范围的运动补偿以得到最佳运动和视差矢量.该方法由前一次运动/视差估计得到候选矢量来进行下一次视差/运动估计,只需1次搜索过程就能同时确定最佳运动和视差矢量.实验结果表明,该算法与JMVM全搜索算法相比,能在保持编码质量的同时,节省87.69%的编码时间. 相似文献
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In 1927, Wilhelm Wundt’s daughter, Eleonore Wundt, compiled and published a comprehensive catalogue of her father’s works and works in translation. We use this catalogue as a starting point for an examination of the breadth of Wundt’s contributions, the reaction to his works from the international psychological community, and the overall trajectory of his academic career. Two areas of particular interest are Wundt’s view on the nature of psychology and its relationship to other disciplines, and his discussion of the nature of V?lkerpsychologie and its role in psychology. A close examination of original sources reveals that Wundt anchored psychology in the realm of mental sciences. He regarded “psychology [to be] in relation to natural sciences the supplementary, in relation to the mental sciences the fundamental, and in relation to philosophy the propaedeutic empirical science.” The accomplishments and limitations of Wundtian V?lkerpsychologie are viewed stereoscopically through the lenses of its explicated conceptions, goals, and methods, on one hand, and of the contemporary advancements in psychology, on the other. Current implications of Wundt’s works and further developments of his ideas are related to Davidson’s theory of epistemology and to present-day deliberations on the biocultural coconstruction of human development. We conclude by considering the continuing relevance of Wundt’s intellectual legacy. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
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