Because my camera itself distortion is small, it is difficult to judge with the naked eye after calibration correction, also does not have the professional physical tools,
But the experimental requirements to error within 2 mm (close), looking for corner phase appeared fluctuations (continuous shooting still life, uniform illumination, industrial camera),
Use of opencv 3.4.11 + ArUco enhancement library 3.1.12
I think it is not accurate calibration, cause fluctuations, so want to know how to test the precision of corrected, (matlab toolbox calibration, known to the average pixel error and projection error)
CodePudding user response:
If a checkerboard calibration 2 times in a row, figure - & gt; Calibration correction - & gt; New corrected a group with a group of checkerboard pattern - & gt; Calibration again,Using the second calibration to verify the correction for the first time the success of [the second correction, if successful, will not change the test pattern (1 pixel)],
Among them, the correct manual removal without pixel area, after test pattern in the edge of picture 1 pixel wide rectangular (straight line),
Do have any meaning, can test out a calibration is accurate