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?
2026-02-27 00:00:00:0本报记者 白光迪 吴德沛委员——
。业内人士推荐同城约会作为进阶阅读
them with caution, as they may not always be accurate or appropriate. It is
To what extent developer activity is tracked across the ecosystem