The research said this could mean that for every three cases of autism spectrum that are diagnosed, there may be another two that are undiagnosed, giving a ratio of known to unknown cases of 3:2.

35 mm film has the dimensions 36 mm by 24 mm (3:2 ratio) - golden mean ration of 1.6 to 1 Points of intersection are recommended as places to position important elements in your picture.

There are many kinds of image fusion methods, such as information entropy, mutual information, mean square error, peak signal to noise ratio and mean grads.