set standard dpi?

[RodDalBen]

Is there a reliable way to keep dpi the same between the input images and the output ones? It seems like MATLAB does not have an out of the box solution for that.

Relevant discussions:
https://www.mathworks.com/matlabcentral/fileexchange/23629-export_fig
https://www.mathworks.com/matlabcentral/answers/102382-how-do-i-specify-the-output-sizes-of-jpeg-png-and-tiff-images-when-using-the-print-function-in-mat
https://blogs.mathworks.com/steve/2013/05/02/jpeg-versus-png-lossy-and-lossless-image-compression/?s_eid=PSM_4238