DeNoise has one of the easiest to use interfaces. On the left edge are a number of presets which include JPEG and RAW file settings plus the ability to add your own custom settings. The controls are located in the right hand side panel. These include; Noise reduction, Detail recovery and Debanding. A very useful feature is the ability to preview the image as RGB, Luma, Colour and Red & Blue channels. The Auto Brightness settings will assist in previewing any adjustments.
The main window displays a section of the image which can be 100, 200 300 or 400% , there is no facility to view the entire image. The ease of use and quality of noise reduction is excellent.
Nik Dfine 2.0 – $99.95
Dfine 2.0 is a Photoshop plug-in with many options hidden from the initial view. Dfine automatically seeks areas containing noise and places a selection box over each area. An automatic algorithm is applied to reduce the noise. You can override the Automatic setting and choose the Manual option for greater user control.
From here you can apply control points on the image to selectively reduce noise in different parts or select a colour range to apply the noise reduction. By default three colour areas can be defined, more colour areas can be added by clicking on the small + symbol. Dfine produced excellent results on our test file the processed image is placed as a new layer in Photoshop.