Noise Ninja is a program that you can use to make some adjustments to your pictures, by eliminating noise and grain, thus enhancing their quality. The tool supports several image formats, including TIFF, JPG and JPS.
The program's interface comes with an intuitive layout that should be easy to figure out. Pictures can be imported by using either the file browser or "drag and drop" functionality. Unfortunately, you cannot process multiple items at the same time.
Noise Ninja displays the noise profile of the current picture. This information includes the name, maker, model, film, megapixels and sharpness level of the photograph.
Plus, you can toggle the profiles between luminance channel, Cb and Cr channels (these have the chrominance values in blue and red directions).
Noise filtering can be done by adjusting the luminance strength, smoothness and contrast, color strength, smoothness and saturation, along with sharpening amount and radius. Also, you can suppress halos, filter very coarse noise and disable turbo mode.
In addition, you can use a noise brush and start Noise Ninja in "Sidekick Mode" (e.g. choose the profile based on EXIF information, use current filter settings), as well as view image information (e.g. file type, quality, size) along with EXIF and IPTC details. The undo and redo functions are available.
The image processing app needs a moderate amount of system resources and quickly finishes a task without freezing, crashing or displays error dialogs. We have not come across any issues during our rests. There's also user documentation that you can look into. However, you must have some experience in graphic editing tools in order to use Noise Ninja without any trouble.
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