In one month, she watches what her friends would take a year to watch. "But at least I'm not online shopping!"
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?
，这一点在WPS下载最新地址中也有详细论述
Publication date: 10 March 2026
Read the full story at The Verge.