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ICPR
2004
IEEE
16 years 10 days ago
Historical Document Image Enhancement Using Background Light Intensity Normalization
This paper presents a new background light intensity normalization algorithm suitable for historical document images. The algorithm uses an adaptive linear function to approximate...
Venu Govindaraju, Zhixin Shi
ICPR
2004
IEEE
16 years 10 days ago
A Novel Energy Minimization Criterion for Color Image Segmentation
In this article, we present an unsupervised segmentation algorithm through a multiresolution approach which uses both color and edge information with a quadtree structure, through...
Adolfo Martínez Usó, Filiberto Pla, ...
CHI
2003
ACM
15 years 11 months ago
Alternative "vision": a haptic and auditory assistive device
We have used two cameras and a SensAble Technologies "Phantom" force-feedback haptic display to haptically render a three-dimensional surface that represents key aspects...
Daniel Morris, Neel Joshi
PERCOM
2003
ACM
15 years 10 months ago
System Design of Smart Table
This paper describes the system design of Smart Table, a table that can track and identify multiple objects simultaneously when placed on top of its surface. The table has been de...
Philipp Steurer, Mani B. Srivastava
CVPR
2010
IEEE
15 years 7 months ago
A theory of phase-sensitive rotation invariance with spherical harmonic and moment-based representations
This paper describes how phase-sensitive rotation invariants for three-dimensional data may be obtained. A “bispectrum” is formulated for rotations, and its properties are der...
Ramakrishna Kakarala, Dansheng Mao