User Manual

Image Broadway 6 Help

Filters and Special Effects > Noise Effect > Add Noise

Add Noise

Choose the Filters/Effects > Noise > Add Noise menu item and select the type and the amount of noise to add.

Noise Type

Uniform

Noise is uniformly distributed. The noise variance is independent of the image intensity.

Gaussian

Gaussian Noise is normally distributed (symmetrical bell shaped distribution with equal mean, median, and mode),

which is most common in nature. It is the same as Uniform Noise with the noise variance independent of the image

intensity.

Amount of Percentage

You can enter a percentage value from 1 to 99. It is the percentage of the width of distribution (100% = 255) for

Uniform Noise. It is the percentage of standard deviation of distribution (100% = 4 standard deviation) for Gaussian

Noise.

Check off the Preview option to preview the effect of the filter on the active item. Try different options if you want, and

press Enter to see the result on the screen instantly. Click OK to confirm the action, click Cancel to cancel the action, or

click Reset to reset the values in the dialog.