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1.Shadow detection was performed in every block based on the illumination invariant between the shadow region and the corresponding background region.
对其中的每一块，根据阴影区域和相对应的背景区域之间的光照不变性进行阴影检测。收藏指正
2.a fringe region of partial shadow around an umbra.
边缘地区的部分阴影。收藏指正
3.a region of complete shadow resulting from total obstruction of light.
由于阻碍光线而导致的阴影。收藏指正
4.This paper presents an algorithm of moving region detection based on chroma, which is able to cope with varying illumination and shadow problems, and refines the detection results with morphology, by marking each moving region in the binary image, the geometrical features parameters such as area, perimeter and form factor can be extracted, which lay the foundation for the analysis and track of moving target.
摘要提出了一种基于色度的运动区域检测算法，利用像素的色度分量进行检测，克服了亮度变化和阴影的影响，并利用形态学方法对检测结果进行后处理，对处理后的运动区域进行标记，提取每个区域的面积、周长、形状因子等几何特征参数，为运动目标后期的分析和跟踪奠定了基础。收藏指正
5.Through calculating on the luminance, chrominance and gradient density of the moving foreground region. a shadow judging function was constructed.
通过对前景运动区域像素的亮度、色度和梯度密度的计算，得到一个阴影判断函数。收藏指正
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