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DISCRIMINATIVE FEATURES FOR INCREMENTAL LEARNING CLASSIFIER

Citation Author(s):
Balaji Nataraj, Xie Shudong, Li Yiqun, Lin Dongyun, Dong Sheng
Submitted by:
Tin Lay Nwe
Last updated:
20 September 2019 - 6:33am
Document Type:
Poster
Document Year:
2019
Event:
Presenters:
Tin Lay Nwe
Paper Code:
2132
 

An important problem in artificial intelligence is to develop an ef-
ficient system that can adapt to new knowledge in an incremen-
tal manner without forgetting previously learned knowledge. Al-
though Convolutional Neural Networks (CNNs) are good at learn-
ing strong classifier and discriminative features, CNNs can not per-
form well in incremental classifier learning due to the catastrophic
forgetting problem in the retraining process. In this paper, we pro-
pose a novel yet extremely simple approach to enhance the discrim-
inative property of features for incremental classifier learning. We
build a network for the universal feature space in which a group of
image classes have intra-class compactness and inter-class separa-
bility. And, we model each incremental class to have a maximum
margin from the rest of the models in universal space. Experiments
are conducted on CIFAR-100 dataset and IMage Database for Con-
text Aware Advertisement (IMDB-CAA) we collected. The results
demonstrate the superiority of our approach, improving performance
on CIFAR-100 dataset over state-of-the-art incremental learning sys-
tems. Furthermore, experiments on few-short incremental learning
setting show very promising performance although we use only 4%
of training samples on CIFAR-100 dataset.

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DISCRIMINATIVE FEATURES FOR INCREMENTAL LEARNING CLASSIFIER

DISCRIMINATIVE FEATURES FOR INCREMENTAL LEARNING CLASSIFIER