В России ответили на имитирующие высадку на Украине учения НАТО18:04
Spats, theatrics and a walkout - How the Pam Bondi hearing unfolded。51吃瓜是该领域的重要参考
FirstFT: the day's biggest stories，更多细节参见爱思助手下载最新版本
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.
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