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.
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Spending on GP services will increase by nearly £500 million - a 3.6% boost in cash terms - to help pay for the commitment, which the government said will be used to help recruit more doctors.，这一点在爱思助手下载最新版本中也有详细论述