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Unsharp masking

Known as: Sharpen (digital image), Unsharp Mask, Unsharp filter 
Unsharp masking (USM) is an image sharpening technique, often available in digital image processing software. The "unsharp" of the name derives from… 
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Related topics

Related topics

31 relations
AcutanceAdobe PhotoshopBlend modesChannel (digital image)

Broader (1)

Image processing

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2013
2013
Determination of Image Edge Width by Unsharp Masking
A new method is developed for assessing the image edge width based on the unsharp masking approach. A model of the image edge is… 
2004
2004
Digital zoom camera with image sharpening and suppression
The intention of zooming in a video camera is to obtain more detailed visual information than the full frame view. The optical… 
2002
2002
Multispectral image sharpening using a shift-invariant wavelet transform and adaptive processing of multiresolution edges
  • G. Lemeshewsky
  • SPIE Defense + Commercial Sensing
  • 2002
  • Corpus ID: 45778378
Enhanced false color images from mid-IR, near-IR (NIR), and visible bands of the Landsat thematic mapper (TM) are commonly used… 
2002
2002
Performance comparison of masking models based on a new psychovisual test method with natural scenery stimuli
2000
2000
An algorithm for integrated noise reduction and sharpness enhancement
Noise filters tend to blur image detail, while filters for image sharpening tend to increase noise. So, cascading the two filters… 
1999
1999
A nonlinear technique for image contrast enhancement and sharpening
Contrast represents the extent of variation in light intensity or gray value in a specified region of an image. In this paper, we… 
1996
1996
CONTRIBUTIONS OF PROCESSING FLUENCY TO REPETITION EFFECTS IN MASKED WORD IDENTIFICATION
Prior exposure to a word is shown to improve its later identification in a brief, masked display when a free report task is used… 
1996
1996
Audio compression at low bit rates using a signal adaptive switched filterbank
A perceptual audio coder typically consists of a filter-bank which breaks the signal into its frequency components. These… 
Highly Cited
1992
Highly Cited
1992
A molecular dynamics study of freezing in a confined geometry
The dynamics of freezing of a Lennard‐Jones liquid in narrow channels bounded by molecular walls is studied by computer… 
Highly Cited
1989
Highly Cited
1989
Multiple Channel Model For The Prediction Of Subjective Image Quality
A model for the perception of distortions in pictures is suggested. It consists of two main parts: an adaptive input stage… 
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