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是blob的外框重叠就会合并吗? 因为我自己的理解是 每一个色块都是不会重叠的(不连通?) 所以想请问一下大家这个重叠的意思。 还有一个小问题就是 这个外框是如何确定的呢? 因为经常画框会有背景干扰。
如果merge是true,边框重合就会认为是一个。