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Cited by 2,135

The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.

Bilinear CNN Models for Fine-Grained Visual Recognition

Open access
Lin, Tsung-Yu, RoyChowdhury, Aruni, Maji, Subhransu·2015·2015 IEEE International Conference on Computer Vision (ICCV)

Abstract

We propose bilinear models, a recognition architecture that consists of two feature extractors whose outputs are multiplied using outer product at each location of the image and pooled to obtain an image descriptor. This architecture can model local pairwise feature interactions in a translationally invariant manner which is particularly useful for fine-grained categorization. It also generalizes various orderless texture descriptors such as the Fisher vector, VLAD and O2P. We present experiments with bilinear models where the feature extractors are based on convolutional neural networks. The bilinear form simplifies gradient computation and allows end-to-end training of both networks using image labels only. Using networks initialized from the ImageNet dataset followed by domain specific fine-tuning we obtain 84.1% accuracy of the CUB-200-2011 dataset requiring only category labels at training time. We present experiments and visualizations that analyze the effects of fine-tuning and the choice two networks on the speed and accuracy of the models. Results show that the architecture compares favorably to the existing state of the art on a number of fine-grained datasets while being substantially simpler and easier to train. Moreover, our most accurate model is fairly efficient running at 8 frames/sec on a NVIDIA Tesla K40 GPU. The source code for the complete system will be made available at http://vis-www.cs.umass.edu/bcnn.

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Metadata

Authors
Lin, T.-Y., RoyChowdhury, A., & Maji, S.
Venue
2015 IEEE International Conference on Computer Vision (ICCV)
Publisher
IEEE
Published
2015-12
Pages
1449-1457
OpenAlex
W2104657103
Cited by
2,135
References
8
FWCI
47.52
Type
conference paper
Language
en
Open access
green

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