Methods for detecting structural changes in frames of video sequences when recording physical and chemical experiments

The possibility of applying the mean structural similarity, mean nonparametric structural similarity, and spectral criteria to detection of structural changes in the phase condition of an object of investigation is considered. Determination of cesium chloride phase transitions in the temperature range of 250–710°C is used as an example to demonstrate the experimental evidence of the efficiency of these criteria for solving the above-mentioned problems.