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ICDAR
1999
IEEE
15 years 11 months ago
A Two-state Markov Chain Model of Degraded Document Images
We propose a two-state Markov chain model of degraded document images. The model generates random and burst noise to simulate isolated pixel reversal as well as blurring of a larg...
Shamik Sural, P. K. Das
ICMCS
1999
IEEE
202views Multimedia» more  ICMCS 1999»
15 years 11 months ago
Face Detection in Color Images Using Wavelet Packet Analysis
In this paper, we propose a novel scheme for automatic and fast detection of human faces in color images where the number, the location, the orientation and the size of the faces ...
Christophe Garcia, G. Zikos, George Tziritas
CVPR
2009
IEEE
15 years 10 months ago
Automatic registration of LIDAR and optical images of urban scenes
Fusion of 3D laser radar (LIDAR) imagery and aerial optical imagery is an efficient method for constructing 3D virtual reality models. One difficult aspect of creating such models...
Andrew Mastin, Jeremy Kepner, John W. Fisher III
DPHOTO
2010
158views Hardware» more  DPHOTO 2010»
15 years 8 months ago
Information capacity: a measure of potential image quality of a digital camera
The aim of the paper is to define an objective measurement for evaluating the performance of a digital camera. The challenge is to mix different flaws involving geometry (as disto...
Frédéric Cao, Frederic Guichard, Her...
MVA
1992
15 years 8 months ago
High Speed Autofocus for Microscopic Images
2 Computational Theory The processing of biological specimens or the 2.1 Overview examination of material surfaces for quality control requires a fast and precise autofocus system....
J. E. Fischer, D. Homeister, J. Lehmler, G. Roos