sum of absolute difference
- 绝对误差和：指一组数值中各个数值与某个参考值之间的差的绝对值之和。
Sum of absolute differences
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abstract:
Sum of absolute differences (SAD) is an algorithm for measuring the similarity between image blocks. It works by taking the absolute difference between each pixel in the original block and the corresponding pixel in the block being used for comparison.
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WordNet