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A low threshold preserves detail (more leaf nodes, less compression). A high threshold merges aggressively (fewer leaves, more compression, but the image gets blocky). The grid overlay shows the quadtree structure: large cells in uniform areas, small cells where detail is preserved.
我也預測第一堂課應該會像過去學其他語言時一樣，從基本問候語開始——但完全不是這麼回事。
It's been designed by Notion, that could be a Google space different that helps groups craft higher ideas and collaborate effectively.