<https://nch.invisionzone.com/topic/38201-old-movies-too-bright-in-center-is-there-a-gradient-brightness-tool-to-compensate/#comment-101007>
<http://schema.org/text>
"You might play with the Gradient Map effect in Videopad...    \n \n\n\n\t \n \n\n\n\tAnd see if this tool has anything for you...  https://www.nchsoftware.com/photoeditor/index.html\n \n"
<https://nch.invisionzone.com/topic/38201-old-movies-too-bright-in-center-is-there-a-gradient-brightness-tool-to-compensate/?tab=comments#comment-101011>