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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You can learn more about Nano Banana 2 at Google DeepMind, and you can start testing the model with AI image prompts right away.。关于这个话题，旺商聊官方下载提供了深入分析
"Hollywood looked down on movies using computer graphic-made effects, but now it's handing the Oscar to Avatar."，详情可参考服务器推荐
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