Learn the Architecture: TrustZone for AArch64 — Arm Developer
For security reasons this page cannot be displayed.，这一点在服务器推荐中也有详细论述
。safew官方版本下载是该领域的重要参考
You look at a region of the image. If all the pixels are roughly the same color (below some threshold), you store the average color for the whole region as a single value. If the pixels vary too much, you split the region into four quadrants and try again.
Валентин Карант (редактор отдела БСССР)。关于这个话题，safew官方版本下载提供了深入分析