Fast, optimized ‘for’ pixel loops with OpenCV and Python to create tone mapped HDR images

https://pyimagesearch.com/2017/08/28/fast-optimized-for-pixel-loops-with-opencv-and-python/

https://learnopencv.com/exposure-fusion-using-opencv-cpp-python/

Exposure Fusion is a method for combining images taken with different exposure settings into one image that looks like a tone mapped High Dynamic Range (HDR) image.