记忆中的故乡是泛黄色的，一种被时间晒旧了的老照片的底色，好像永远停留在那个夏日的午后。知了在叫，麻雀掠过树梢。我站在家里二楼的屋顶上，吹着风，周围是一片矮房。
Real image compression (JPEG, PNG) uses different techniques (DCT, entropy coding), but quadtrees capture the same principle: spend your bits where the detail is, not uniformly across the whole image.
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San Marino GP — Sept. 13