144 search results - page 2 / 29 » Emerging topic detection using dictionary learning |
WETICE
2000
IEEE
13 years 9 months ago
2000
IEEE
TREC
2007
13 years 6 months ago
2007
We present a fully automatic and weighted dictionary to be used in topical opinion retrieval. We also define a simple topical opinion retrieval function that is free from paramete...
ICML
2010
IEEE
13 years 5 months ago
2010
IEEE
We propose to combine two approaches for modeling data admitting sparse representations: on the one hand, dictionary learning has proven effective for various signal processing ta...
ICPR
2010
IEEE
13 years 9 months ago
2010
IEEE
Diabetic retinopathy (DR) is a common complication of diabetes that damages the retina and leads to sight loss if treated late. In its earliest stage, DR can be diagnosed by microa...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
Recent work has demonstrated that using a carefully designed dictionary instead of a predefined one, can improve the sparsity in jointly representing a class of signals. This has m...