Methods and models in economy
Scientometrics and management science
Recognition of images
A.V. Sheshkus Combining convolutional neural networks and hough transform for classification of images containing lines
Methodological problems of the system analysis
A.V. Sheshkus Combining convolutional neural networks and hough transform for classification of images containing lines

Abstract.

In this paper, an expansion of convolutional neural network (CNN) input features based on Hough Transform is proposed. The idea of the approach is that morphological contrasted and Hough transformed image will be used as an input for some convolutional filters. Thus, CNNs computational complexity and the number of units are not affected. Morphological contrasting and Hough Transform are the only additional computational expenses of introduced CNN input features expansion. Proposed approach was demonstrated on the example of CNN with very simple structure using two image recognition problems: object classification on CIFAR-10 and printed character recognition on private dataset with symbols taken from Russian passports. Suggested approach allowed to reach noticeable accuracy improvement without taking much computational effort, which can be extremely important in industrial recognition systems or difficult problems utilizing CNNs, like pressure ridge analysis and classification.

Keywords:

convolutional neural networks, Hough Transform, feature extraction

PP. 83-88.

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