This is the most common sharpening tool and available in a wide range of programs, offering quite precise control over the type and amount of sharpening applied.
Tag Archive for 'Sharpening'
A sharpening tool introduced in Photoshop CS2 which aims to give superior results to the traditional Unsharp Mask filter. It allows you to adjust the sharpening levels in shadow and highlight areas independently, for example.
Sharpness is a visual quality of images which is related not just to the actual image definition but to the contrast level as well. The amount of sharpening you apply in an image-editor should be related to the size at which [...]
Sharpening is the process of enhancing fine details so that they appear sharper, though there is usually a trade-off in the form of edge effects and increased noise. Unprocessed digital images are not sharp because a ‘low-pass’ (blur) filter is used [...]
A simple tool for increasing the visual sharpness of fine detail. It may be useful as a ‘one-click fix’, but offers no controls for precise adjustments. Like other sharpening tools, it works by exaggerating contrast around the edges of objects. It [...]
Small flaws caused by compression in JPEG photos. These include a faintly discernible ‘block’ pattern in even-toned areas, a slight loss of fine definition, and some edge effects or ‘halos’ around high-contrast edges. With high-quality JPEGs (low compression), these artefacts [...]
This offers an alternative method for sharpening photos. It takes a little longer than conventional sharpening tools, but it offers a great deal of control.
Visible ‘halo’ around the edges of objects in photos usually caused by sharpening. Sharpening, whether it’s applied in-camera or in your image-editor, works by increasing the contrast around the edges in your image. This produces edge ‘halos’ or secondary outlines. [...]
Small digital defect created by image processing. The term is used to describe the edge halos you get from excessive sharpening, for example, or any other small-scale imperfection associated with image-editing processes or the characteristics of sensor design. Usually very [...]