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» Adaptive thresholding by variational method
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ICIP
2006
IEEE
14 years 9 months ago
Variational Local Structure Estimation for Image Super-Resolution
Super-resolution is an important but difficult problem in image/video processing. If a video sequence or some training set other than the given low-resolution image is available, ...
Heng Lian
ICIP
2000
IEEE
14 years 9 months ago
Adaptive Scanning Methods for Wavelet Difference Reduction in Lossy Image Compression
This paper describes methods for adapting the scanning order through wavelet transform values used in the Wavelet Difference Reduction (WDR) algorithm of Tian and Wells. These new...
James S. Walker, Truong Q. Nguyen
ICDAR
2009
IEEE
14 years 2 months ago
A Self-Adaptive Method for Extraction of Document-Specific Alphabets
Recognition and encoding of digitized historical documents is still a challenging and difficult task. A major problem is the occurrence of unknown glyphs and symbols which might n...
Stefan Pletschacher
ICDE
2012
IEEE
203views Database» more  ICDE 2012»
11 years 10 months ago
Parameter-Free Determination of Distance Thresholds for Metric Distance Constraints
—The importance of introducing distance constraints to data dependencies, such as differential dependencies (DDs) [28], has recently been recognized. The metric distance constrai...
Shaoxu Song, Lei Chen 0002, Hong Cheng
ICIP
2007
IEEE
14 years 9 months ago
Statistically Driven Sparse Image Approximation
Finding the sparsest approximation of an image as a sum of basis functions drawn from a redundant dictionary is an NPhard problem. In the case of a dictionary whose elements form ...
Rosa M. Figueras i Ventura, Eero P. Simoncelli