Most digital images intended for viewing are generally assumed to be in sRGB colour space, which is gamma-encoded. This means that a linear increase of value in colour space does not correspond to a linear increase in actual physical light intensity, instead following more of a curve. If we want to mathematically operate on colour values in a physically accurate way, we must first convert them to linear space by applying gamma decompression. After processing, gamma compression should be reapplied before display. The following C code demonstrates how to do so following the sRGB standard:
与此同时,全国泊位数量约1.5万个,基础设施短板明显,“买得起、停不起、用不起”仍是现实约束。
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他透過窗戶觀看,發現屋外出現眾多執法人員,「我就知道他們是衝著我們這個房子來的。」
Russell Brandom