Abstract:SUMMARYIntegral image is the sum of input image pixel values. It is mainly used to speed up the process of a box filter operation, such as Haarlike features. However, large memory capacity for integral image data can be an obstacle in an embedded environment with limited hardware. In a previous research, [5] reduced the size of integral image memory using 2 × 2 block structure with additional calculations. It can be easily extended to n × n block structure for further reduction, but it requires more additional… Show more
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