56 search results - page 4 / 12 » Expanded bag of words representation for object classificati... |
KDD
2008
ACM
15 years 10 months ago
2008
ACM
Document classification presents difficult challenges due to the sparsity and the high dimensionality of text data, and to the complex semantics of the natural language. The tradi...
CIS
2005
Springer
15 years 3 months ago
2005
Springer
Different from familiar clustering objects, text documents have sparse data spaces. A common way of representing a document is as a bag of its component words, but the semantic re...
ICIP
2009
IEEE
15 years 10 months ago
2009
IEEE
In this paper we propose a new method for human action categorization by using an effective combination of a new 3D gradient descriptor with an optic flow descriptor, to represent...
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
The problem of document classification considers categorizing or grouping of various document types. Each document can be represented as a bag of words, which has no straightforw...
SIGIR
2004
ACM
15 years 2 months ago
2004
ACM
In this poster we present an overview of the techniques we used to develop and evaluate a text categorisation system for the PRINCIP project which sets out to automatically classi...