I am trying to make a video by generating many images of a process, exporting them to the disk by the Export command in the PNG format, and finally making a video with FFmpeg. My images have a title on the top with the values of the parameters. I optimized the font size of the title. When I show these images in the Mathematica notebook and save them by rightclicking and choosing "Save graphics as", I obtain saved images that look the same as in the Mathematica notebook. However, when I save t...