通常，这涉及到一个对象的图片，然后用中性色，要校准白平衡。
Usually this involves taking a picture of a neutrally colored object and then using that to calibrate the white balance.
通常，这涉及到一个对象的图片，然后用中性色，要校准白平衡。
Usually this involves taking a picture of a neutrally colored object and then using that to calibrate the white balance.
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