pip install opencv-python
python import cv2
## Traceback (most recent call last): ## ImportError: libGL.so.1: cannot open shared object file: No such file or directory
sudo apt install libgl1
https://stackoverflow.com/questions/10969585/opencv-reading-a-16-bit-grayscale-image
## 8-bit img = cv2.imread(img_file) ## 16-bit img = cv2.imread(img_file, -1)