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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AWS 将成为 OpenAI Frontier 平台的独家第三方云分销渠道；，推荐阅读快连下载安装获取更多信息
-80 dBm ~ 10 – 20 m，这一点在搜狗输入法2026中也有详细论述
Number (0): Everything in this space must add up to 0. The answer is 4-0, placed horizontally; 0-0, placed horizontally; 0-2, placed vertically.
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