> (Hmm... I wonder if there is something beneficial to the cubic-esque gradual > taper, versus blurring/"noise-reduction" via lowering the cutoff frequency > of an ideally sharp low-pass filter.... Just musing to myself.)
In terms of visual appeal, that's probably an empirical question. But in terms of maximizing SNR, you want a filter that is matched to (has the same shape as) the spectrum of the signal you are filtering. I assume most image spatial spectra peaks at DC and falls off somewhat monotonically - closer to the cubic than to an ideal lowpass filter. Presumably signal SNR is loosely tied to the bitrate at a given q. Dan ------------------------------------------------------- The SF.Net email is sponsored by EclipseCon 2004 Premiere Conference on Open Tools Development and Integration See the breadth of Eclipse activity. February 3-5 in Anaheim, CA. http://www.eclipsecon.org/osdn _______________________________________________ Mjpeg-users mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/mjpeg-users
