[plug] It's alive... It's ALIVE!

[Nick Bannon]

Whoops, it escaped incompletely edited. ::-)

On Thu, Oct 12, 2000 at 11:15:12PM +0800, Nick Bannon wrote:
> On Thu, Oct 12, 2000 at 09:14:09PM +0800, Leon Brooks wrote:
> > Ah. Time to buy a bigger camera then. (-: Only 500KB/frame with the current one
> > :-)
> 
> Ah, speaking of that... ::-)

http://plug.linux.org.au/~leonb/plug_pix_20000924/

> I find a lot of the photos out there seem to be huge in size - trying
> to absolutely minimise the loss of quality due to JPEG compression. A
> fine goal to be sure, but a little painful when seen from the wrong end
> of a modem link.
[...]
> As for thumbnails - you can get good results by simply lowering the
> quality rather than scaling down mercilessly. (say scale down 4:1,
> quality 10) On these sorts of images, you end up with something 
around the 5-6K mark rather than 2-3K, but looking a lot more
recognisable.

djpeg -scale 1/4 input.jpg |cjpeg -quality 10 -optimize > output.jpg

Nick.

-- 
  Nick Bannon  | "I made this letter longer than usual because
nick at it.net.au | I lack the time to make it shorter." - Pascal