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Creating Panoramas
Monday May 10, 2004
by Ellen Anon

Ellen Anon illustrates the creation of Panoramas in Photoshop.

Working with Pressure Sensitive Tablets
Monday May 3, 2004
by Katrin Eismann

Katrin Eismann outlines the use of pressure sensitive tablets in image processing.

Book Review: Mastering Digital Photography and Imaging(Updated)
Monday April 26, 2004
by IR Staff

IR Staff reviews Peter K. Burian's latest book, "Mastering Digital Photography and Imaging."

Digital Workflow for RAW Processing: Part IV - Batch
Thursday April 1, 2004
by Jeff Schewe

The fourth in a five part series, Jeff demonstrates the application of settings from one image to a series of images within Photoshop.

PDF Presentations
Thursday March 11, 2004
by John Paul Caponigro

John Paul Caponigro discusses an under-used feature of Photoshop. Allowing you to use the automate function to create universally viewable PDF slideshows!

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Software > Inside Photoshop > More Photokit Sharpener Testing

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AuthorSubject: More Photokit Sharpener Testing   [Go to Bottom of Page]
John Hollenberg
Posted on Sun Oct 19, 2003 6:03 PM

I have been doing further testing on PK Sharpener, and I must say,
the more I use it the better I like it. One of the main concerns I had early on
was sharpening the grain in noisy blue skies in scans of 35 mm transparencies
from Nikon LS4000. The best solution I have found so far: use a mask to apply
Edge Protected Smoothing Brush 1 to the sky, after capture sharpening and before
output sharpening. At 100% view in Photoshop, I could see no difference between:

1) Blue sky without any capture sharpening or output sharpening applied

2) Blue sky with: Medium Edge Capture Sharpening for 35 mm film, then Edge Protected Smoothing Brush 1 (opacity increased slightly from 66% to 75%), then output sharpening for 360 Inkjet Glossy

This accomplishes my objective of not increasing noise in the sky any further, while keeping the sky from looking "plastic" (there is plenty of noise in the original LS4000 scan in the blue channel). The amount of smoothing will vary according to taste and the amount of noise the scanner produces in the blue channel.

I found that the Edge Protected Smoothing Brush still softens the detail, so I use a mask rather than just brushing the sky. However, it is clearly better than the plain smoothing brush, so I use it to help avoid losing detail if there are defects in the mask.

Photokit Sharpener certainly takes longer to process than my previous routine (Atkinson Sharpening Method), but the results are worth it. I have incorporated it into my workflow by writing Photoshop Scripts (javascript) which are called from actions for Capture Sharpening and Printing.

Any other comments about use of PK Sharpener are welcome.

--John





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