Stefano Tommesani

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Home Software AltaLux in IrfanView

AltaLux 1.5 in IrfanView

 

AltaLuxIV1 The AltaLux image enhancement filter is now available in the popular IrfanView image viewer!

Now you can enjoy AltaLux technology inside an advanced image viewer and editor, so trying how AltaLux can effectively enhance your photos is just a click away while you keep using your favourite image viewer.

To open the AltaLux filter in IrfanView, click on Image | Effects | AltaLux effect... (Plugin)

IV001

The filter controls are located on the right side, with the Intensity and Scale sliders. The images on the center of the dialog show the following modes:

AltaLuxIV2

The bigger image in the center shows how the current settings of the filter, the Intensity and Scale sliders on the right, improve the image, so this is a preview of how your image will look like if you click on the OK button

Clicking on the Toggle visualization button will switch between the default mode and the zoom mode, where only the central image is drawn over the whole area.

AltaLuxIV3 The image in the top-left corner shows the original picture with no filters applied, so that you can compare it with the processed picture on the center of the screen and check the differences
AltaLuxIV4

The images on top and below the central one show the same picture with a lower Intensity value (top) or an higher Intensity value (bottom), so that you check if the current Intensity value represents the optimal value.

Clicking on the images on top or below the central one will update the Intensity slider to match the value used by the selected picture, and redraw all the images according to the new setting.

AltaLuxIV5

The images on the left and on the right of the central one show the same picture with a lower Scale value (left) or an higher Scale value (right), so that you check if the current Scale value represents the optimal value.

Clicking on the images on the left or on the right of the central one will update the Scale slider to match the value used by the selected picture, and redraw all the images according to the new setting.

 

The Scale parameter determines the number of quads the image will be divided into. The following images highlight the difference between a low and a high Scale value:

Small Scale parameter (N = 8)

smallgrid

Large Scale parameter (N=24)

How does the Scale parameter affects the filter's results?

With a large Scale parameter, just like in the second example image, the AltaLux filter will work in smaller quads of the image, so it will increase the differences inside each quad, further enhancing small details, but the the enhancement effect will be less effective on large areas that are under- or over-exposed, and the image could look a bit "fake" with extreme settings.

With a small Scale parameter, like in the first example image, the AltaLux filter works on larger quads, so it maintains a better balance over the whole image, and can improve larger areas, but losing a bit of finer details.

You can download the latest version of the AltaLux filter for IrfanView from the Download section of the site.

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AltaLux 1.5 in IrfanView
Sunday, 04 November 2012

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Last Updated on Sunday, 04 November 2012 12:20  
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