I may try that if I have time (My daughter volunteered me for this Monday and my talk is half finished). Oleg’s was really nice in that his shadow covered up some writing that gets exposed when you process the picture. So I figured if someone had it lying around it would save time. If no one has it I am able to perform the process on the image cropped from his User page.
Tom > On Feb 4, 2023, at 1:02 AM, Raul Miller <rauldmil...@gmail.com> wrote: > > I don't have access to it, but I'd be tempted to try his approach on a > freshly generated image with shadows. > > -- > Raul > > On Fri, Feb 3, 2023 at 7:58 PM Thomas McGuire <tmcguir...@gmail.com> wrote: >> >> Oleg Kobenchenko has a short example of removing a shadow from an imaging >> using a moving average. >> >> The code can be found here: >> >> https://code.jsoftware.com/wiki/User:Oleg_Kobchenko/Background_Removal >> <https://code.jsoftware.com/wiki/User:Oleg_Kobchenko/Background_Removal> >> >> I am giving a talk about J to my daughter’s High School Computer Science >> Club and was wondering if anybody has the original image to Oleg’s example. >> The images on the above. User J Software Page are all reduced in size in >> comparison to the file he uses in his code. I looked around his website but >> didn’t find it. >> >> Anyone happen to have the original 1200 x 1600 image of hand written notes >> with shadow? >> >> He only refers to it as ~temp/input.jpg in the code. >> >> Tom McGuire >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm