Either fix your videos aspect ratio or invest in better camera with square pixels. (goodereader.com)
The area analysis method results in total square pixel number for each of the classes in every time - lapse image and that number can be converted into the μm data. (biomedical-engineering-online.biomedcentral.com)
Meanwhile, Triton 2 has the same color display, but instead of using square pixels it is using rectangular. (goodereader.com)