Pixel Noir is an installation for galleries: a wall inhabited by a projected living shape made of light pixels, which endlessly bounces on a black square painting hung on the wall.
黑色像素是一件室内装置作品：无数跃动的光像素点投射到挂有方形黑色画作的展厅墙上。
In the general ellipse - generating algorithm for raster - pixel, there are always multiplication and square root operating in the main iteration loop, so the calculating cost is more expensive.
在一般光栅象素的椭圆生成算法中，其主循环中均带有乘法和开方等运算，因而其计算量较大。
In the method, the automatic identification of feature area is fulfilled based on the edge attribute, and the sub-pixel center location is accomplished with the least-square approach.
方法中采用基于类椭圆边缘属性对特征区域进行自动识别，采用最小二乘椭圆拟合精确求取类椭圆亚像素定位中心。
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