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ICDAR
2005
IEEE
15 years 11 months ago
ScatterType: A Legible but Hard-to-Segment CAPTCHA
The ScatterType CAPTCHA, designed to resist character– segmentation attacks and shown to be highly legible to human readers, is analyzed for vulnerabilities and is offered for e...
Henry S. Baird, Michael A. Moll, Sui-Yu Wang
CIVR
2008
Springer
213views Image Analysis» more  CIVR 2008»
15 years 8 months ago
Language modeling for bag-of-visual words image categorization
In this paper, we propose two ways of improving image classification based on bag-of-words representation [25]. Two shortcomings of this representation are the loss of the spatial...
Pierre Tirilly, Vincent Claveau, Patrick Gros
MEDINFO
2007
137views Healthcare» more  MEDINFO 2007»
15 years 7 months ago
How do Clinicians Search For and Access Biomedical Literature to Answer Clinical Questions?
This paper presents a retrospective data analysis on how 75 clinicians searched for and accessed biomedical literature from an online information retrieval system to answer six cl...
Annie Y. S. Lau, Enrico W. Coiera
AIM
2004
15 years 6 months ago
Qualitative Spatial Reasoning Extracting and Reasoning with Spatial Aggregates
Reasoning about spatial data is a key task in many applications, including geographic information systems, meteorological and fluid flow analysis, computer-aided design, and prote...
Christopher Bailey-Kellogg, Feng Zhao
CIVR
2008
Springer
166views Image Analysis» more  CIVR 2008»
15 years 8 months ago
Non-negative matrix factorisation for object class discovery and image auto-annotation
In information retrieval, sub-space techniques are usually used to reveal the latent semantic structure of a data-set by projecting it to a low dimensional space. Non-negative mat...
Jiayu Tang, Paul H. Lewis