虚拟社区信息运动的特征、模式及其管理-论文-中国图情期刊联盟网 关键词】： 虚拟社区 信息运动特征 模式 [gap=732]Key words】：virtual community(VC); information movement characteristics; patterns
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本文在总结和分析现有人脸检测技术的基础上，重点研究了基于矩形特征的人脸检测技术及以此为基础并结合运动信息的动态人脸检测技术。
Relying on the analysis of existed face detection techniques, this paper mainly describes face detection based on rectangle feature and dynamic face detection combined with motion information.
为了充分利用目标的运动信息，连续多帧图像的融合特征图像进行能量累积，达到进一步提高检测概率，降低虚警率。
In order to sufficiently utilize the motion information, the feature images of multi-frame are cumulated to improve the detection probability and reduce the false alarm rate.
光子怎样被转化成电信号？视网膜如何提取物体的形状、颜色和运动特征？大脑又是如何对视觉信息进行处理的？
How is photon converted to electric signals? How does the retina extract information about form, color and motion? How does the brain process visual information?
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