The game fell on the 46th anniversary of the Miracle on Ice, when an underdog group of US college players upset the mighty Soviet Union team against the backdrop of the cold war. But the US team who took the ice on Sunday were no plucky band of amateurs making a stand for democracy against authoritarianism – a point underscored when the US and Canada met last year in the 4 Nations Face-Off. Canadian fans booed the Star-Spangled Banner and the US players, either unaware of, or unsympathetic to, Canadian desires to be neither the 51st US state nor the USA’s opponent in a scorched-earth trade war, dropped the gloves to fight their opponents as soon as the game commenced.
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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软件股的噩梦，这次没有如期而至。而市场情绪在一夜之间发生了 180 度转向，这件事本身就值得好好说说。
Warning: This article contains details about sexual abuse