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» Novel image feature alphabets for object recognition
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SIBGRAPI
2009
IEEE
15 years 4 months ago
Nude Detection in Video Using Bag-of-Visual-Features
Abstract—The ability to filter improper content from multimedia sources based on visual content has important applications, since text-based filters are clearly insufficient a...
Ana Paula Brandão Lopes, Sandra E. F. de Av...
TNN
2008
128views more  TNN 2008»
14 years 9 months ago
Nonnegative Matrix Factorization in Polynomial Feature Space
Abstract--Plenty of methods have been proposed in order to discover latent variables (features) in data sets. Such approaches include the principal component analysis (PCA), indepe...
Ioan Buciu, Nikos Nikolaidis, Ioannis Pitas
ICPR
2010
IEEE
14 years 7 months ago
Improving Classification Accuracy by Comparing Local Features through Canonical Correlations
Classifying images using features extracted from densely sampled local patches has enjoyed significant success in many detection and recognition tasks. It is also well known that ...
Mert Dikmen, Thomas S. Huang
ICPR
2008
IEEE
15 years 11 months ago
Wavelet-based salient points with scale information for classification
The calculation of local features at points of interest is a vital part of many current image retrieval and object detection systems. The wavelet-based interest point detector by ...
Alexandra Teynor, Hans Burkhardt
ICIAR
2004
Springer
15 years 3 months ago
A Coarse-to-Fine Classification Scheme for Facial Expression Recognition
Abstract. In this paper, a coarse-to-fine classification scheme is used to recognize facial expressions (angry, disgust, fear, happiness, neutral, sadness and surprise) of novel ex...
Xiaoyi Feng, Abdenour Hadid, Matti Pietikäine...