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?
"I guess it's bittersweet that I'm the first one, the first woman, to get it," she told BBC News.，这一点在同城约会中也有详细论述
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（二）公然侮辱他人或者捏造事实诽谤他人的；
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