FT Magazines, including HTSI
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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.。heLLoword翻译官方下载对此有专业解读
1990年代至2000年代中期，相關指標曾一路上行。