Christoph Rackwitz questions

Christoph Rackwitz answers

• OpenCV add() operation results in unexpected dtype and shape
• Optimising array addition (y, x, RGBA)
• Milliseconds to HH:MM:SS time format
• How to improve color layer mask to have mid tones?
• How Do I Develop a negative film image using python
• Xticks different interval
• Difference between stereo camera calibration vs two single camera calibrations using OpenCV
• grayscale image different in cv2.imshow() and matplotlib.pyplot.show()
• Camera calibration, focal length value seems too large
• AttributeError: 'tuple' object has no attribute 'sort'