HDR Soft Pro - 3.2 - Macintosh Instrukcja Użytkownika Pobierz pdf (Strona 9)

Photomatix Pro User Manual Page

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2.1.1 Settings for Generate HDR

The “Don’t crop” option is useful when

the resulting images must have the same width and height as the source images.

Chromatic aberrations reduction

This option attempts to automatically correct color fringing due to chromatic aberrations of the

lens. Checking this option is recommended, given that chromatic aberrations tend to show

around high contrast edges, and are thus particularly an issue for HDR images.

Noise reduction

This option reduces chromatic noise and, to a lesser extent, luminance noise. This option is

recommended when you are processing RAW files directly in Photomatix. Note that the noise

reduction is done on the HDR image itself once it has been created. This means that you don’t

have to check the noise reduction option on the dialog for generating the HDR image when you

need noise reduction. You can apply noise reduction to your HDR image later on by choosing

Utilities > Reduce Noise.

Ghosting reduction settings

Ghosting artifacts appear when combining images of a dynamic scene. Photomatix Pro offers

options to reduce two types of ghosting artifacts. The option “Background movements” reduces

ghosting artifacts caused by background elements that follow a rhythmic pattern (flowing water,

for instance), oscillating between shadows and highlights. The “Moving objects/people” option

attempts to reduce the ‘ghosts’ in the combined image due to moving persons, animals or

objects.

It is important to note that selecting “Moving objects/people” lowers the quality of the resulting

HDR image. Only select this option if it is really necessary, and try first with “Detection” set to

“Normal”.

Tone curve options

The recommended option, “Take tone curve of color profile”, is selected by default. This is

usually the best choice when the image files come from a DSLR camera or have been

converted from RAW files. This option loads the Tone Reproduction Curve data from the ICC

color profile associated with the source images in order to determine the non-linear function

lignment settings

The “Align source images” option is checked by default.

This option corrects misalignment problems when the

camera moves slightly between the bracketed frames.

This always happens with hand-held photographs, but

may even happen when shooting with the aid of a tripod.

Photomatix Pro offers two alignment methods. The first

one, “By correcting horizontal and vertical shifts”, is fast

but corrects for translation movements only. The second

one, “By matching features”, corrects for both rotation and

translation, and is recommended for hand-held shots.

Given that each method is based on a different algorithm,

try the other one when one fails.

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