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?
Array of dimension sizes
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招商证券国际执行董事陈阳向界面新闻记者证实，在香港证监会和港交所就IPO申报质量发出一系列警告后，年初以来，监管已大幅加强了对担任IPO主承销商的保荐人员资历审查力度，与此同时，受监管所影响，已有头部券商开始选择退出一些项目。，详情可参考手游
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