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Title: A scale-invariant framework for image classification with deep learning
Authors: Jiang, Y 
Chi, Z 
Keywords: Convolutional neural networks
Higher-order decision boundaries
Robustness to scale variations
Scale invariance
Issue Date: 2017
Publisher: Institute of Electrical and Electronics Engineers Inc.
Source: 2017 IEEE International Conference on Systems, Man, and Cybernetics, SMC 2017 - Conference Proceedings, 2017, 5-8 Oct 2017, p. 1019-1024 How to cite?
Abstract: In this paper, we propose a scale-invariant framework based on Convolutional Neural Networks (CNNs). The network exhibits robustness to scale and resolution variations in data. Previous efforts in achieving scale invariance were made on either integrating several variant-specific CNNs or data augmentation. However, these methods did not solve the fundamental problem that CNNs develop different feature representations for the variants of the same image. The topology proposed by this paper develops a uniform representation for each of the variants of the same image. The uniformity is acquired by concatenating scale-variant and scale-invariant features to enlarge the feature space so that the case when input images are of diverse variations but from the same class can be distinguished from another case when images are of different classes. Higher-order decision boundaries lead to the success of the framework. Experimental results on a challenging dataset substantiates that our framework performs better than traditional frameworks with the same number of free parameters. Our proposed framework can also achieve a higher training efficiency.
ISBN: 9781538616451
DOI: 10.1109/SMC.2017.8122744
Appears in Collections:Conference Paper

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