On Mon, Dec 10, 2012 at 12:53:22PM -0800, Larry Colen wrote: > > On Dec 10, 2012, at 12:40 PM, P. J. Alling wrote: > >> > >> On the flip side, I don't know why image processing software can't bin the > >> smaller pixels, when resolution isn't needed, to produce the same effect > >> as larger pixels. Arguably, equivalent noise and higher resolution by > >> being better able to guess which spikes are noise and which are part of > >> the signal. > > > > Some cameras do exactly that. I can't remember which off the top of my > > head right now. > > I'd rather have the feature in lightroom, unless there is some hardware > related reason to do it in the camera.
I think you already have. From a mathematical standpoint I have difficulty seeing how this is in any way different from simple image size reduction (with a suitable filter kernel). You can't really make use of signals sampled above the Nyquist limit for the final image without risking aliasing. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
