Define hot. Do you mean NaNs and INFs?
Ron Ganbar email: [email protected] tel: +44 (0)7968 007 309 [UK] +972 (0)54 255 9765 [Israel] url: http://ronganbar.wordpress.com/ On Tue, Jul 23, 2013 at 8:41 PM, David Yu <[email protected]> wrote: > Hi. Anyone know a script or expression to remove hot pixel noise from > images or 3d renders? > > I tried some crude 3x3 matrix tricks to enhance the pixels and tried to > "pull" the pixels out and subtract from the main image. Then i used the > result as a mask for a median filter set at 1. > > Looking at the RGB channels, the hot pixel is the same value on all 3 > channels while the neighbour pixels are different per channel. I'm hoping > for a more elegant way to detect hot pixel using an expression. > > Dave > > _______________________________________________ > Nuke-users mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >
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