On Thu, Mar 18, 2010 at 07:02:24PM +0530, Jos Collin wrote: > On Thu, Mar 18, 2010 at 06:48:04PM +0530, Jos Collin wrote: > > On Thu, Mar 18, 2010 at 06:31:53PM +0530, sanalkumar mr wrote: > > > Dear all......I' ve to convert a passport size photo to stamp size. I > > > tried > > > $ convert -resize 51x37 sanal.jpg san.JPEG > > > giving a low quality image.Any option to get a good quality image...? > > > And the properties of the input image is given below > > > $ identify sanal.jpg > > > sanal.jpg JPEG 260x300 260x300+0+0 DirectClass 8-bit 35.0488kb > > > I also tried GIMP that also was in vain.Thanks in advance....Sanalkumar > > > -- > > > > Hello Sir, > > > > I believe that the option -quality is what you need. > > $convert -resize 51x37 -quality 80% sanal.jpg san.JPEG > > This will retain 80% picture quality. > > > > I'm sorry. I don't know whether -quality will increase or decrease the > compression level. I think by adjusting the value (percentage) you can > solve your problem. >
I have verified that the following gives the maximum picture quality. $convert -resize 51x37 -quality 100% sanal.jpg san.JPEG _______________________________________________ Indian Libre User Group Cochin Mailing List http://www.ilug-cochin.org/mailing-list/ http://mail.ilug-cochin.org/mailman/listinfo/mailinglist_ilug-cochin.org #[email protected]
