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?
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ВсеСтильВнешний видЯвленияРоскошьЛичности。关于这个话题，同城约会提供了深入分析
昨晚，OpenAI 终于宣布完成 1100 亿美元新一轮融资，投前估值高达 7300 亿美元。