MATLAB can use any 2D matrix as a 2D filter. ... in this case each value in the example matrix will be equal to 0.0625, or 1/25 - will have the effect of averaging out high-frequency noise: ...

InterLatin installed the 2D data matrix vision-based system to minimize inspection reruns due to the large volume of PCBs and the challenges of reading a 2D matrix code at high speeds. “We were ...