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ICIP
1998
IEEE
16 years 8 months ago
A Perceptual Distortion Metric for Digital Color Images
This paper presents a comprehensive distortion metric for digital color images. It is based on a normalization model of the human visual system that incorporates color perception....
Stefan Winkler
FOSSACS
2003
Springer
15 years 12 months ago
Manipulating Trees with Hidden Labels
We define an operational semantics and a type system for manipulating semistructured data that contains hidden information. The data model is simple labeled trees with a hiding op...
Luca Cardelli, Philippa Gardner, Giorgio Ghelli
JGS
2000
84views more  JGS 2000»
15 years 6 months ago
Mapping rates associated with polygons
Abstract. Suppose that geographic data under investigation are rates associated with polygons. For example, disease incidence, mortality, and census undercount data may be displaye...
Noel Cressie, Hal S. Stern, Deanne Reber Wright
ICDE
2000
IEEE
112views Database» more  ICDE 2000»
16 years 8 months ago
DEMON: Mining and Monitoring Evolving Data
Data mining algorithms have been the focus of much research recently. In practice, the input data to a data mining process resides in a large data warehouse whose data is kept up-...
Venkatesh Ganti, Johannes Gehrke, Raghu Ramakrishn...
ICSE
2008
IEEE-ACM
16 years 7 months ago
Tool support for data validation by end-user programmers
End-user programming tools for creating spreadsheets and webforms offer no data types except "string" for storing many kinds of data, such as person names and street add...
Christopher Scaffidi, Brad A. Myers, Mary Shaw