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IPPS
1996
IEEE
13 years 11 months ago
Parallel Algorithms for Image Enhancement and Segmentation by Region Growing with an Experimental Study
This paper presents e cient and portable implementations of a useful image enhancement process, the Symmetric Neighborhood Filter SNF, and an image segmentation technique which ma...
David A. Bader, Joseph JáJá, David H...
WWW
2008
ACM
14 years 8 months ago
Flickr tag recommendation based on collective knowledge
Online photo services such as Flickr and Zooomr allow users to share their photos with family, friends, and the online community at large. An important facet of these services is ...
Börkur Sigurbjörnsson, Roelof van Zwol
ACRI
2010
Springer
13 years 6 months ago
The Complexity of Three-Dimensional Critical Avalanches
In this work we study the complexity of the three-dimensional sandpile avalanches triggered by the addition of two critical configurations. We prove that the algorithmic problem c...
Carolina Mejía, J. Andrés Montoya
WSDM
2012
ACM
301views Data Mining» more  WSDM 2012»
12 years 3 months ago
Learning evolving and emerging topics in social media: a dynamic nmf approach with temporal regularization
As massive repositories of real-time human commentary, social media platforms have arguably evolved far beyond passive facilitation of online social interactions. Rapid analysis o...
Ankan Saha, Vikas Sindhwani
TMI
2010
167views more  TMI 2010»
13 years 2 months ago
Two-Dimensional Intraventricular Flow Mapping by Digital Processing Conventional Color-Doppler Echocardiography Images
Abstract--Doppler echocardiography remains the most extended clinical modality for the evaluation of left ventricular (LV) function. Current Doppler ultrasound methods, however, ar...
Damien Garcia, Juan C. del Álamo, David Tan...