unsharp masking


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un·sharp mask·ing

in radiography, superimposing a blurred negative of a radiograph to cancel large density differences, leaving fine detail more visible.
References in periodicals archive ?
Convolver provides users with the only real-time visual way to design filter effects derived from custom convolution kernels, which generate blurs, sharpens, embosses, tinting, color contrast, gaussian blurs and unsharp masking.
MagicScan also provides variable levels of unsharp masking, controls for negative-to-positive conversion of images, auto-scaling, sharpen and blur filters, and multiple scanning.
ColorQuartet operates natively in CIE-LAB color space and offers powerful features such as CMYK conversion and unsharp masking on-the-fly as well as selective color correction.
KPT Convolver provides real-time exploration and design of custom image effects based on the custom Convolution Kernel filter functions such as blur, sharpen, emboss, tint, color contrast, Gaussian blur and unsharp masking.
Real time unsharp masking and gaussian blur, in addition to the ability to generate unique sharpens, blurs, embosses, contrasts and more, make KPT Convolver unique in the imaging world.
Filters: Auto contrast, levels, curves, brightness/contrast, invert, equalize, posterize, unsharp masking, blur, despeckle, noise
A CosMYK version of the 4500 is also offered for on-the-fly RGB to CMYK conversion and unsharp masking as well as other additional processing capabilities and functionality typically found in higher priced, traditional drum scanners.
A CosMYK version of the 4500 will also be offered for real time RGB to CMYK conversion and unsharp masking as well as other additional processing capabilities and functionality typically found in higher priced, traditional drum scanners.