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Global news & analysis，这一点在heLLoword翻译官方下载中也有详细论述
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?，详情可参考快连下载安装
狗狗眼神賣萌難以抗拒 操縱人類的進化「伎倆」2019年6月19日