“ImgToBitPlane” costs too much time(~500 ms)， how to convert an captured image array(dytype:unit8, dimension:(1024*768),value(0 or 1))) to bitplane fast?

[ningjingzhiwei]

I captured an image with an camera, and want to display this image on the DMD quickly(less than 3 ms). For example, the dimension of the image is 1024*768(the same with the DMD size) , the value of the image array is 0 or 1, but the data type is unit8. I used "ImgToBitPlane" to change the image array to bitplane, but this command cost too much time, how to solve this probelm, and display the image quickly on the DMD?

[wavefrontshaping]

Hi,

As far as I remember, this function was not optimized at all, it was designed to be used occasionally, as I assumed an optimized code would directly generate the images as bitPlane. I think it can be optimized a lot, but I would not have time in a near future to dive into that.

It is in my todo list. If you find/found a solution, I would welcome a pull request.

[wavefrontshaping]

Has been improved using np.packbits 50+ times faster!