Depth-RGB alignment about pylibfreenect2 HOT 4 OPEN

Assuming you are talking about reading depth values from a pre-recorded depth sequence, I think you can just use opencv’s VideoCapture.

from pylibfreenect2.

Yes, I have already read the value with opencv. The depth intensity in opencv is 0-255. Is there a transform equation to map each depth intensity(0-255) into millimeter values?

from pylibfreenect2.

That depends on how you saved depth data. For example, assuming the maximum depth in milli meter was 4500, If you scaled the depth values by 255/4500 and saved it as 8bit integers, then you can recover depth by multiplying 4500/255.

from pylibfreenect2.

Ok, thank you for the answers. I have one more question, and then I will close the issue.
Are there some documents, links or papers that I can have a look about these information?

from pylibfreenect2.