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Forum Moderators: not2easy
The contest results will have to wait until everything stabilizes, or until I get home (if my home connection is any better).
If anyone sees a news story in the meantime about Alaska falling off the face of the earth, you'll all know what happened to me! ;)
Pegasus JPG Wizard.
Selected areas to compress lower/higher. (i.e. you select the areas that 'matter' and the detail is preserved better in these areas. I individually selected all the crabby, lobstery bits and then used the 'faders' to get a mix that 'worked for me'.)
comments: Tricky trying to decide which mix to go for - went for smaller rather than better quality. This is the first time I used this software - never had a good enough reason to 'learn' the features before. Gonna use it all the time now!
comments: If i had time I would have really used a selective map by colour, but I just didn't have time
reduce to 72p/inch, save for web Quality-38%, Progressive.
comments: Tried another, where I saved it as a GIF with a reduced colorset first, then went the JPG route, and it wound up being larger.
"convert -geometry 288x288 -quality 72 -contrast WebmasterWorld-orig.tif WebmasterWorld-entry.jpg"
comments: Yep, an open source command line utility :) Part of the ImageMagick collection on Unix (Linux) - by John Cristy and E. I. du Pont de Nemours.
Justification: I can automate it for images uploaded to my sites - plus I'm a geek ;)
I added the contrast so that the details of the ridges on the Crabs back could be seen, and the ice really sharpened up. I would go for this on a web page rather than keeping it as faithful as possible. I wanted the image to be no more than 20K, (6secs on a 28.8 kbps modem - figuring that 6 secs for the images 2 secs for the html and connection - 8 secs is my target for pages.)
I reduced the file to 72dpi, it remains at a 4x4 physical print size.
I used the sharpen filter to enhance the edges.
I saved it for the web as a high quality jpeg, blurred it a little to reduce the file size and so that it would print out clearer.
comments: I did a test print it looks good to me.
blured blue channel
sharpen in lab
saved as jpg
resize to 288X288 - 4"x4"
ran it down to 40% quality.
comments: short and sweet
Settings: jpg smaller file
Smoothing: 0 (wanted to keep crisp edges)
comments: Fireworks has been my graphics editor of choice for the web. I still feel it offers the best compression options out of all the other programs including Photoshop. I could have squashed it more by decreasing the quality setting below 60 but there was too much pixel displacement for me. I prefer a nice crisp image as close as possible to the original without too much loss.
converted to png
exported it with about 45 quality and a little smoothing.
comments: I played with it while viewing at 200% - a little sharper at about 11k, but still looked ok, for delivery, I thought, a little smaller.
Photoshop 6 / ImageReady
a. Select all the ice, except for sharp edges / desaturate / Gaussian blur [0.6]
b. Deselect / L*a*b color space / GB on a and b channels [3.2]
c. SaveForWeb [13%] progressive
comments: Selected blurring is a way to manually weight the jpg compression. In this case it outperforms Photoshop's weighting algorithm.
1) In Options, change page unites to inches
2) Import squash.tif
3) resize to 4 inches
4) brought up export to JPEG interface
5) change to 72ppi
comments: XaraX has a cool interface for exporting JPEGs. You have 2 previews side by side so you can get a good comparison of different compression ratios. I chose a ratio that compressed to 9k and still looked reasonably good.