This is a 100% crop (actual pixels) of the lower right corner of the original (non-filtered) image. You can see the digital noise in the faces, although this is
still a remarkably low level of noise for digital ISO 1600. This is a plus for the Canon 10D camera. This is also much better than any ISO 1600 film image would be, one of the advantages of working with digital in low
Even at that, I wanted to remove some of the noise. The two insets are from the top, filtered photo so you have a before and after comparison of what Neat Image
can do in the standard mode. The faces look cleaner and smoother in the insets from the filtered photo. With some tweaking of the settings in the advanced mode, the results would be even more impressive.
is a good tool for removing digital noise, but it also removes film grain from scanned images. Last summer I submitted a photo to a magazine that was taken on 400 speed film in low morning light back in 1985. 400 speed slide film was very grainy back then. I filtered the scanned image through an earlier version of
and sent both versions to the editors. They chose the filtered version and it ran as the magazine cover in September 2003.
If you don't already have a good noise reduction filter, I highly recommend Neat Image. You can download a copy and get more information at their website.
April 22, 2004