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Calibration

adam-

 

About This Category

This section contains calibration items, primarily to set up and test the equipment and software we use, and to see what sort of settings to use. If you really want to use exhibits from this section, you may, but remember that these are not meant to be works of beauty!


Adam portrait1 bg AJHD.jpg ... Adam portrait1 normal AJHD.jpg

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ThumbnailExhibit Name
ThumbnailAdam portrait1 bg AJHD.jpg (Calibration)

Three-quarter-profile head-and-shoulders shot of Adam, approx 4" x 6" scan (portrait) from print; 100dpi scan, colour, compression 50; then brightness increased and colour saturation decreased in xv, and at save 11% smoothing and save at 15% `quality' applied; light image, recognisable though slightly blocky, small file, reasonable image size for a browser background.

ThumbnailAdam portrait1 compression20 AJHD.jpg (Calibration)

Three-quarter-profile head-and-shoulders shot of Adam, approx 4" x 6" scan (portrait) from print; 100dpi scan, colour, compression 20; good reproduction (slight artifacts appearing), reasonable image size for a browser.

ThumbnailAdam portrait1 compression50 AJHD.jpg (Calibration)

Three-quarter-profile head-and-shoulders shot of Adam, approx 4" x 6" scan (portrait) from print; 100dpi scan, colour, compression 50; Reproduction OK, but with noticable small colour artifacts, reasonable image size for a browser.

ThumbnailAdam portrait1 compression99 AJHD.jpg (Calibration)
[594B]Adam portrait1 icon AJHD.gif (Calibration)

JPEG image processed in xv---reduced in size to 32x32, then converted to 8-bit mode, then brightened and saturation reduced, then saved as GIF with reduced colours:

ThumbnailAdam portrait1 large AJHD.jpg (Calibration)

Three-quarter-profile head-and-shoulders shot of Adam, approx 4" x 6" scan (portrait) from print; 200dpi scan, colour, compression 5; very good reproduction, large image.

ThumbnailAdam portrait1 normal AJHD.jpg (Calibration)

Three-quarter-profile head-and-shoulders shot of Adam, approx 4" x 6" scan (portrait) from print; 100dpi scan, colour, compression 5; very good reproduction, reasonable image size for a browser.

Sep 20, 2017 You may wish to use the Reload/Refresh button on your browser to ensure that this page is up-to-date.
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