Canon EOS-1D Mark II Digial Tips en technieken - Pagina 31

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3rd Party Sharpening

Software

finely-detailed landscapes and architecture, etc. usually need more sharpening) and

noise levels. (Sharpening accentuates noise, especially in shadow areas.) There are

many other Unsharp Mask "tricks" such as applying sharpening in the Lightness

channel in the LAB mode in Photoshop rather than the entire image in RGB.

There is no "right answer" for sharpening. What looks great for one viewer may seem

excessive to another, and vice versa. Optimum sharpening levels also depend on output

size, viewing distance and printing methods. For instance, many professional wedding

photo labs request their customers to send in unsharpened files so that the lab can

apply their own unique custom sharpening algorithms, which often vary according to

print size.

In fact, generally speaking it's a good idea to save an unsharpened version of each

image file so that you're always working from a "clean slate" so to speak, should there

ever be a need or desire to apply a different sharpening technique at a later date or for

another application. (This is one of the best reasons for shooting RAW files.) Remember

that sharpening an image is like using permanent ink: it's easy to apply, but difficult if

not impossible to remove.

The necessity of sharpening digital images prior to printed output has resulted in a wide

variety of 3rd-party sharpening filters and plug-ins. Some of these, such as nik

multimedia's Sharpener Pro, operate within Photoshop and other plug-in compatible

programs. Others, such as Digital Domain's popular Qimage software are standalone

applications. Although Canon does not officially endorse 3rd-party products, we

encourage users to explore the available options in image sharpening software. Here is

a partial list of current sharpening filters and applications:

Vendor: nik multimedia, inc.

Software Title: Sharpener Pro

Web Page:

http://www.nikmultimedia.com/sharpenerpro/usa/entry.php

Vendor: Digital Domain, Inc.

Software Title: Qimage

Web Page:

http://www.ddisoftware.com/qimage/

Vendor: Fred Miranda

Software Title: Intellisharpen II

Web Page:

http://www.fredmiranda.com/software/

Vendor: Jonathan Wienke

Software Title: Sharpening Actions

Web Page:

http://visual-vacations.com/Photography/SharpeningActions.htm

V. SHARPENING METHODS IN POST-PROCESSING