Add image noise
The following dialog allows you to add random noise to the current image. You can see the result (the whole image or part of image at full size) instantly from the preview window.
You can specify the level of noise and which channel (Master,R,G,or B) you want to add noise to. For example, the result of adding noise to the master channel of the following image is shown here.
The original image:
After noise (level=32) is added:
You can limit the effect to the selected region. First select the region using the selection tool and then apply this function. One example is shown here.
 |
VIPBase © 2006 Fengjun Lv |
Last update: 08/01/2006 (check html) |