Description: Iteration method threshold principle: based on the ideological approach, the steps are as follows: 1. Images obtained the maximum and minimum gray value of gray value, denoted ZMAX and ZMIN, so that initial threshold value T0 = (ZMAX+ ZMIN)/2 2. TK under the threshold will be divided into foreground and background images were obtained between the average gray value ZO and ZB 3. Calculate the new threshold TK+1 = (ZO+ ZB)/2 4. If TK = TK+1, then the proceeds shall threshold otherwise turn 2 iteration.
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迭代法.txt
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