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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。业内人士推荐heLLoword翻译官方下载作为进阶阅读
这些动作无疑给企业软件市场蒙上了一层阴影。但投资者要看企业是否在产品里真正嵌入了有价值的AI能力，而不是只讲故事，要看客户是否因为AI用它更多，而不是更少。在当前整体软件行业悲观情绪的环境下，企业的盈利、现金流、客户黏性还要足够平稳，才可以撑过市场情绪波动带来的承压期。
Фото: Алексей Даничев / РИА Новости，详情可参考safew官方下载
Publication date: 10 March 2026