Page 224 - Computer - 9(A&B)

Filters always apply to the entire graphic – it is not possible to use fi lters to edit only a part of the object.

Icon Name Effect
Invert Inverts the colour values of a colour image or the brightness
values of a grayscale image.
Smooth Softens the contrast of an image.

Sharpen Increases the contrast of an image.

Remove noise Removes single pixels from an image.

Solarization Mimics the effects of too much light in a picture. A further dialog
box opens to adjust the parameters.
Aging Simulates the effects of time on a picture. Can be applied several
times. A further dialog box opens to adjust the aging level.
Posterize Makes a picture appear like a painting by reducing the number of
colours used.

Pop Art Modifi es the picture dramatically.

Charcoal Displays the image as a charcoal sketch.

Relief A dialog box is displayed to adjust the light source that will create
the shadow and, hence, the relief effect.
Mosaic Joins groups of pixels into a single area of one colour.

Pop Art Mosaic Charcoal Sketch

Image Mode
Image mode is used to change colour images to grayscale images, black and white images, or a water mark
image.

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