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JSW
2008
94views more  JSW 2008»
15 years 4 months ago
Thresholding Images of Historical Documents Using a Tsallis-Entropy Based Algorithm
In this paper we present an algorithm for thresholding images of historical documents. The main objective is to generate high quality monochromatic images in order to make them eas...
Carlos A. B. Mello, Luciana A. Schuler
145
Voted
PRL
2006
111views more  PRL 2006»
15 years 4 months ago
A chaincode based scheme for fingerprint feature extraction
A feature extraction method using the chaincode representation of fingerprint ridge contours is presented. The representation allows efficient image quality enhancement and detect...
Zhixin Shi, Venu Govindaraju
ISBI
2008
IEEE
16 years 5 months ago
A fast and accurate tracking algorithm of left ventricles in 3D echocardiography
Tracking of left ventricles in 3D echocardiography is a challenging topic because of the poor quality of ultrasound images and the speed consideration. In this paper, a fast and a...
Lin Yang, Bogdan Georgescu, Yefeng Zheng, David J....
ACNS
2009
Springer
124views Cryptology» more  ACNS 2009»
15 years 11 months ago
Novel Precomputation Schemes for Elliptic Curve Cryptosystems
We present an innovative technique to add elliptic curve points with the form P Q± , and discuss its application to the generation of precomputed tables for the scalar multiplicat...
Patrick Longa, Catherine H. Gebotys
145
Voted
HAPTICS
2008
IEEE
15 years 11 months ago
Electrotactile Stimulation Based on Strain Energy Density of the Fingertip
Abstract. The shape recognition of an object is important for dexterous manipulation by humans. Therefore, we have developed a haptic display that integrates both electrotactile an...
Katsunari Sato, Hideaki Nii, Naoki Kawakami, Susum...