author: Link[User]
第一个，也是最根本的差异，在于数据。
。safew官方下载对此有专业解读
3. 七级优先级匹配：找到 agentId="work", matchedBy="binding.account"
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?