nxtr25.pdf

Removing the effects of dust in images

Request

I would like to eliminate or reduce dust reflected in images.

Response

The Plus Brush, combined with the Add Grain / Noise feature, can be used to enhance

images so that dust is not noticeable.

Before

Dust is reflected in the right side of

the image.

After

The dust is no longer noticeable.

Procedures

STEP 1: Open an image ................................................................................................ 2

STEP 2: Enlarge image display for simpler operation .................................................... 3

STEP 3: Drag the Plus Brush over the portion of the image reflecting dust ................... 4

STEP 4: Change the Colorize color to one that blends with the surrounding color ........ 6

STEP 5: Add a “grainy” effect......................................................................................... 8

STEP 1: Open an image

Dust is reflected in the right side of the image. The image will be enhanced so that this

dust is no longer noticeable.

This dust will be eliminated.

STEP 2: Enlarge image display for simpler operation

Click the Zoom Tool.

Click or drag the Zoom Tool over the portion of the image to be edited to eliminate the

effects of dust.

STEP 3: Drag the Plus Brush over the portion of the image reflecting dust

Click the Plus Brush ( + ).

A Colorize step will be added to the Edit List.

At the same time, the Colorize dialog will be displayed. Do not click OK in the

Colorize dialog yet.

Double-click the Selection Brush icon to the left of Plus Brush and apply brush

settings in the Selection Brush Options dialog. Use the Size slider to adjust brush size so

that it is about twice the size of the dust reflected in the image. Set Brush Hardness to 0

and Opacity to 100 % for simplest operation.

Drag the mouse over the portion reflecting dust to “paint” over it.

Do NOT click OK in the Colorize dialog yet.

Here, we have applied settings as follows:

Size : 30 px

Brush Hardness : 40 %

Opacity : 100 %

Brush Hardness affects the amount of blurring

at brush edges. Smaller values apply less edge

blurring. Opacity affects the opacity of brush

strokes. Larger values mean that brush strokes

are more opaque, or less transparent, making

less of the background visible through brush

strokes.

Drag the mouse over the

portion reflecting dust to

“paint” over it.

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