Help Maintaining Image Quality while Resizing and Optimizing

Discussion in 'Graphics Programs and Photo Gallery' started by aegean, Feb 25, 2012.

  1. aegean

    aegean TPF Noob!

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    hi all!

    this is my first post here so hopefully i'm posting in the right section and the material i shoot won't offend anyone.

    i mainly shoot glamour and landscape pics. i can't seem to be able to resize and optimize a jpg without losing quality. i see jpgs from Stephen Hicks and Playboy and the quality seems amazing while the size of the file is pretty small.

    for example this wallpaper file is: 1280x1024, 96 pixels/inch and looks pretty darn amazing and it's only 400K in file size!

    http://www.waaeg.com/wallpaper.jpg

    as for me, i start from a RAW image that is converted to jpg: 2912x4368/240 pixels/inch/9.27 MB file size. im happy with the image quality at this point.

    i then resized it to: 2400x1800/96 pixels/inch/3.38 MB file size and i'm still happy with the image quality.
    http://www.waaeg.com/_MG_3425-2 full.jpg

    when i optimzed it to 2400x1800/96 pixels/inch/420 K file size this is where i'm not happy with the quality.
    http://www.waaeg.com/_MG_3425-2.jpg

    my thoughts are:
    1) how does Stephen Hicks (wallpaper.jpg) able to get such small size jpgs and maintain the quality. same with the playboy images as well.
    2) am i doing something wrong here? is there a workflow that will allow me to get sub 400K file size jpgs and maintain good quality on 2400x1800 or even 1800x1200

    any help would be appreciated. or if i posted this in the wrong section please let me know.

    thanks
    chris


     
    Last edited: Feb 26, 2012
  2. Ysarex

    Ysarex Been spending a lot of time on here!

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    Yep, too much JPEG compression.

    Pay attention to where in the workflow you sharpen the image. Sharpening is last step only after re-sizing. Prior to re-sizing the photo should not be sharpened.

    2400x1800 at sub 400K is asking too much. At 2400x1800 I wouldn't compress the file below 1 mb.

    Joe

    P.S. Don't post other photographers photos in the forum. You can post a link but not the photo itself.
     
  3. aegean

    aegean TPF Noob!

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    thanks for the help so far. i've also made the sample picture as a link as requested.

    cheers.
     
  4. table1349

    table1349 Been spending a lot of time on here!

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