When you save a file to the JPEG format from any software package (such as scanning software), the file information is compressed to create a smaller file. You can restore a JPEG image to its original appearance. Note that removing scan lines may make noise more visible. The problem is usually noticed if the subject was moving when the image was captured. You can remedy a common problem seen in video capture images in which even- and odd-numbered scan lines are recorded at different rates. You can find and eliminate small scratches that are either lighter or darker than the surrounding area. By adding a small percentage of noise to an image, you can reduce the appearance of small imperfections and scratches that cannot be removed with other tools. You can reduce the detail in an image and add a grainy texture. You can make the following corrections by applying them to a selection or an entire image: For example, you might see specks of red, pink, green, and yellow in a photo of a clear blue sky.Ĭorel PaintShop Pro gives you many ways to remove various types of noise, and it even lets you add noise to an otherwise "clean" photo. You can display the noise best by zooming in. Noise appears as colored specks within the photo. Usually, the problems are either introduced electronically by the camera itself or caused by file formats such as JPEG. The term "noise" in photography refers to unwanted single pixels or groups of pixels that do not belong in the photo. Corel PaintShop Pro Help : Adjusting images : Adding or removing noise
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