527 search results - page 30 / 106 » A Framework of Feature Selection Methods for Text Categoriza... |
ICDAR
2011
IEEE
12 years 7 months ago
2011
IEEE
— This paper presents a new method based on Fourier and moments features to extract words and characters from a video text line in any direction for recognition. Unlike existing ...
EMNLP
2008
13 years 8 months ago
2008
We present a discriminative method for learning selectional preferences from unlabeled text. Positive examples are taken from observed predicate-argument pairs, while negatives ar...
CVPR
2004
IEEE
14 years 9 months ago
2004
IEEE
We treat feature selection and basis selection in a unified framework by introducing the masking matrix. If one considers feature selection as finding a binary mask vector that de...
IJPRAI
2008
13 years 7 months ago
2008
We present a shape based method for automatic people detection and counting without any assumption or knowledge of camera motion. The proposed method is applied to athletic videos...
AAAI
2011
12 years 7 months ago
2011
Variable selection problems are typically addressed under a penalized optimization framework. Nonconvex penalties such as the minimax concave plus (MCP) and smoothly clipped absol...