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Photos - JPEG artifacts

  •  02-13-2009, 9:08 AM

    Photos - JPEG artifacts

    Lately, I'm having a hell of a time uploading a quality image for the Waymarking site.

    My "normal" image settings exporting from Lightroom is

    Max dimensions 640x640, 72dpi, JPEG, Sharpen for Screen. This produces a very acceptable image that I then upload to my waymark. Upon arriving at waymarking.com the image sometimes develops horrible JPEG artifacts - to the point I've had waymarks declined due to poor image quality. Click on the same image for the "full screen view" and it's tack sharp.

    Today, I've been trying to get a Municipal Flag photo with a white flag and a blue sky behind it and I'm at my wit's end.

    What I've tried so far:

    Full Resolution: 3872x2592x72dpi: Simply won't upload. Returns to a blank upload form.

    So, I resize it for the website:



    Here's what I see before I upload the "Normal image":



    Here's what I see on Waymarking.com:

    "Normal" Export (max 640x640x72dpi):



    Resize to max 400x400 pixels max size:

    Resize to max 200x200 pixels max size:

    Export to Photoshop, then save as a PNG:






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