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.
山东省委召开全省干事创业担当尽责确保“十五五”开好局工作会议，动员全省上下进一步干事创业、担当尽责。山东将通过实地调研、政务服务便民热线等方式，广泛征求意见建议，省、市、县（市、区）分别研究确定集中推进的重点民生实事，从一开始就让群众参与、受益、可感可及。
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Credit: Samsung
Никита Абрамов (Редактор отдела «Россия»)