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ICIP
2001
IEEE
16 years 8 months ago
DCT quantization noise in compressed images
In lossy image compression schemes utilizing the discrete cosine transform (DCT), quantization of the DCT coefficients introduces error in the image representation and a loss of s...
Mark A. Robertson, Robert L. Stevenson
WWW
2008
ACM
16 years 7 months ago
Organizing the unorganized - employing IT to empower the under-privileged
Various sectors in developing countries are typically dominated by the presence of a large number of small and microbusinesses that operate in an informal, unorganized manner. Man...
Arun Kumar, Nitendra Rajput, Sheetal K. Agarwal, D...
WWW
2006
ACM
16 years 7 months ago
Topic-oriented query expansion for web search
The contribution of this paper includes three folders: (1) To introduce a topic-oriented query expansion model based on the Information Bottleneck theory that classify terms into ...
Shao-Chi Wang, Yuzuru Tanaka
SIGCSE
2009
ACM
137views Education» more  SIGCSE 2009»
16 years 7 months ago
The hidden injuries of overloading 'ADT'
commonly stated definition of abstract data type (ADT) is that it is a domain of values and the operations over that domain. So, for example, a language's built-in types, lik...
Duane Buck, David J. Stucki
163
Voted
KDD
2009
ACM
207views Data Mining» more  KDD 2009»
16 years 7 months ago
DynaMMo: mining and summarization of coevolving sequences with missing values
Given multiple time sequences with missing values, we propose DynaMMo which summarizes, compresses, and finds latent variables. The idea is to discover hidden variables and learn ...
Lei Li, James McCann, Nancy S. Pollard, Christos F...