halcon中为什么彩色相机有时候读取的黑白图像
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用助手---打开新的Image Acquisition---图像获取接口（选择对应的）---代码生成---插入代码
下面是DirectShow接口的代码
* Code generated by Image Acquisition 02
open_framegrabber ('DirectShow', 1, 1, 0, 0, 0, 0, 'default', 8, 'rgb', -1, 'false', 'default', 'Integrated Camera', 0, -1, AcqHandle)
grab_image_start (AcqHandle, -1)
while (true)
grab_image_async (Image, AcqHandle, -1)
* Do something
endwhile
close_framegrabber (AcqHandle)
