SSIM (Structural Similarity Index Measure) compares two images by evaluating luminance, contrast, and structural patterns across local windows. It returns a score from -1 to 1: 1.0 means the images are pixel-identical, 0 means no structural correlation, and negative values mean the images are anti-correlated (less alike than random noise). For glyph comparison, it answers the question: do these two rendered characters share the same visual structure?
using the Cannibalization report.
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飞行、升放前款规定的物体非法穿越国（边）境的，处十日以上十五日以下拘留。
当一个品牌可以长期提供稳定安心感，在用户生活中的位置就会越来越牢固，用户粘性自然会提高，行业边界也会不断扩大。这也是宠物行业值得做的长期生意。