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ICALT
2008
IEEE
14 years 4 months ago
A Learning Environment for Promoting Structured Algebraic Thinking in Children
Although the notion of generality is central in mathematics and science, being able to identify and express general patterns and/or articulating structures is one of the main dif...
Sergio Gutiérrez Santos, Manolis Mavrikis, ...
ICIP
2008
IEEE
14 years 4 months ago
Supporting range and segment-based hysteresis thresholding in edge detection
One of the important steps in gradient-based edge detection is thresholding, e.g., hysteresis thresholding in the Canny detector. Traditional approaches use gradient magnitude as ...
Lu Wang, Suya You, Ulrich Neumann
ICPR
2008
IEEE
14 years 4 months ago
Rotation invariant local phase quantization for blur insensitive texture analysis
This paper introduces a rotation invariant extension to the blur insensitive local phase quantization texture descriptor. The new method consists of two stages, the first of whic...
Ville Ojansivu, Esa Rahtu, Janne Heikkilä
ICPR
2008
IEEE
14 years 4 months ago
Fingerprint alignment using special ridges
Fingerprint is one of the biometrics used to identify a person. Alignment is an important step in fingerprint recognition, affecting greatly the speed and accuracy of matching. Ei...
Chunfeng Hu, Jianping Yin, En Zhu, Hui Chen, Yong ...
ICPR
2008
IEEE
14 years 4 months ago
A corner strength based Fingerprint segmentation algorithm with dynamic thresholding
Segmentation is one of the first and most integral pre-processing steps for any Fingerprint Recognition System. It is used to identify the region of interest within an image. Perf...
Asim Baig, Ahmed Bouridane, Fatih Kurugollu