Sciweavers

HVEI
2009
13 years 9 months ago
A perceptual evaluation of 3D unsharp masking
Much research has gone into developing methods for enhancing the contrast of displayed 3D scenes. In the current study, we investigated the perceptual impact of an algorithm recen...
Matthias Ihrke, Tobias Ritschel, Kaleigh Smith, Th...
TMI
1998
134views more  TMI 1998»
13 years 11 months ago
Speckle Reduction and Contrast Enhancement of Echocardiograms via Multiscale Nonlinear Processing
Abstract— This paper presents an algorithm for speckle reduction and contrast enhancement of echocardiographic images. Within a framework of multiscale wavelet analysis, we apply...
Xuli Zong, Andrew Laine, Edward A. Geiser
IJON
2007
116views more  IJON 2007»
13 years 11 months ago
Criticality of lateral inhibition for edge enhancement in neural systems
Although the role of lateral inhibition in edge (contrast) enhancement is well known, it has not been parametrized. This paper investigates the imbalance between the lateral inhib...
Pradeep Arkachar, Meghanad D. Wagh
ICASSP
2010
IEEE
13 years 11 months ago
Noisy speech enhancement based on prior knowledge about spectral envelope and harmonic structure
This paper considers the enhancement of noisy speech. Earlier studies have revealed that an approach that enhances spectral envelopes by using prior knowledge about the all-pole (...
Takuya Yoshioka, Tomohiro Nakatani, Hiroshi G. Oku...
ICPR
2000
IEEE
14 years 3 months ago
Knowledge Based Fingerprint Image Enhancement
Fingerprint enhancement is a critical step in fingerprint identification. Most of the existing enhancement algorithms are based on local ridge direction. The main drawback of thes...
Xiping Luo, Jie Tian
DEXAW
2003
IEEE
136views Database» more  DEXAW 2003»
14 years 4 months ago
Ontology Based Semantic Similarity Comparison of Documents
In this work we consider ontologies as knowledge structures that specify terms, their properties and relations among them to enable knowledge extraction from texts. We represent o...
Vladimir A. Oleshchuk, Asle Pedersen