https://vision.middlebury.edu/stereo/data/scenes2014/
Original images converted to grayscale, 1280×720 using convert.sh
Reference:
D. Scharstein, H. Hirschmüller, Y. Kitajima, G. Krathwohl, N. Nesic, X. Wang, and P. Westling. High-resolution stereo datasets with subpixel-accurate ground truth.
In German Conference on Pattern Recognition (GCPR 2014), Münster, Germany, September 2014.