45 search results - page 3 / 9 » New image-quality measure based on wavelets |
ICMCS
2010
IEEE
13 years 7 months ago
2010
IEEE
A new focus measure system is proposed based on complex wavelet transform and quadrature pair of steerable filters. In shape from focus (SFF), noise, illumination variation and or...
IROS
2007
IEEE
14 years 8 days ago
2007
IEEE
— Toward obtaining a compact and multiresolution representation of 2D range scans, a wavelet framework is proposed for encoding an orientation measure called Running Angle (RA). ...
INFORMATICALT
2006
13 years 6 months ago
2006
In this paper, a digital watermarking algorithm for copyright protection based on the concept of embed digital watermark and modifying frequency coefficients in discrete wavelet tr...
BIOID
2008
13 years 8 months ago
2008
This paper addresses the incorporation of quality measures to video-based person authentication. A theoretical framework to incorporate quality measures in biometric authentication...
ICIP
2000
IEEE
13 years 10 months ago
2000
IEEE
The focus of this work is on using texture information for searching, browsing and retrieving images from a large database. In the wavelet approaches, texture is characterized by ...