This is my original self-portrait using GIMP.
This is the original image of a rose from my grandmum's garden as well as three filtered versions using GIMP:
This was achieved with the filter Emboss:
This was achieved by readjusting the color balance:
This was achieved using Edge-Detect:
This is a photo of my dog Mars in our garden and a photo of a deer at the canal in Princeton. I have pasted the deer into my garden.
