Definitions for "Unsharp mask"
In digital image editing, a filter that increases the apparent sharpness of the image. The unsharp mask filter cannot correct poor focus in the camera.
A filter in Adobe Photoshop used to make an image look crisper. The filter identifies where two tones adjoin and increases the contrast. The user can control the amount of contrast applied and the amount of pixels affected.
Used to sharpen medium to high contrast images without increasing noise.