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标板有24个纯色块，从左到右再从上到下，分别标记为1-24。所以又叫24色卡。 对于摄像头色彩与白平衡的测试，我们采用了标准色卡ColorChecker在不同的环境下使用相应的白平衡模式拍摄进行比较，一方面可以观察机型对各种色彩的还原情况，另一方面可以观察他们的白平衡准确度。
The ColorChecker is a checkerboard array of 24 scientifically prepared colored squares in a wide range of colors. Many of these squares represent natural objects of special interest, such as human skin, foliage and blue sky. These squares are not only the same color as their counterparts, but also reflect light the same way in all parts of the visible spectrum. Because of this unique feature, the squares will match the colors of natural objects under any illumination and with any color reproduction process.

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