Thermal imaging image enhancement method

The invention is suitable for the technical field of nondestructive testing, and provides a thermal imaging image enhancement method, a terminal device and a storage medium, and the method comprises the steps: obtaining an original thermal imaging image sequence, carrying out the line scanning of the original thermal imaging image sequence, and generating a line scanning image; generating a corresponding heat map matrix according to the line scanning image; performing principal component analysis on the heat map matrix to generate a corresponding principal component image; wherein the principal component image is an enhanced image corresponding to the original thermal imaging image sequence. According to the thermal imaging image enhancement method, the terminal device and the storage medium, principal component analysis is carried out on an original thermal imaging image, the corresponding principal components are extracted according to the thermal imaging principle, so that the components caused by transver