如何获得确切的相机白平衡参数值，当它在自动模式？ [英] How to get camera exact white balance parameters value when it is in auto mode?

问题描述

我有一个相机白平衡设置好的对象汽车。是否有可能找到其应用在那一刻，我拍照真正的白平衡参数？

I've got a Camera object with white balance setted to auto. Is it possible to find real white balance parameter which is applied at the moment when I'm taking a picture?

推荐答案

似乎没有成为一个办法做到这一点。

There doesn't seem to be a way to do this.

您可能能够找到你要找的内容通过检查的Exif元数据最终JPEG（照片已经拍摄后）发现的ColorSpace标签。

You may be able to find what you're looking for by inspecting the Exif metadata for the final JPEG (after the picture has been taken) to find the ColorSpace tag.

根据色彩空间标准，你可以找出光源白点：的http：// en.wikipedia.org/wiki/RGB_color_space#Specifications

Based on the color space specification, you can find out the illuminant white point: http://en.wikipedia.org/wiki/RGB_color_space#Specifications

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