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.
Трамп высказался о непростом решении по Ирану09:14。关于这个话题，搜狗输入法2026提供了深入分析
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typically drew on—checking accounts—were made for convenience and ease of