Accurate mask clipping

Accurate_mask_clipping

Accurately find mask boundaries and optionally crop to those boundaries. Features: 1. Find the bounding box of non-zero areas in masks 2. Apply offset to expand/shrink the bounding box 3. Optional cropping to the bounding box 4. Adjustable threshold for determining foreground pixels 精确查找遮罩边界并可选裁剪功能： 1. 查找遮罩中非零区域的边界框 2. 应用偏移量扩展/缩小边界框 3. 可选择是否裁剪到边界框 4. 可调整的灰度阈值用于确定前景像素