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?
Netflix offered to pay $27.75 per share in cash, sweetening its offer from the initial bid, which proposed a mix of cash and shares in the new company.
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千问APP在春节期间已验证了“一句话下单”的可行性，1.3亿用户、超过400万首次使用线上服务的老年群体，证明了语音交互降低门槛、直连交易的威力。
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