Title

Blind first-order perspective distortion correction using parallel convolutional neural networks

College

College of Computer Studies

Department/Unit

Software Technology

Document Type

Article

Source Title

Sensors (Basel, Switzerland)

Volume

20

Issue

17

Publication Date

8-30-2020

Abstract

In this work, we present a network architecture with parallel convolutional neural networks (CNN) for removing perspective distortion in images. While other works generate corrected images through the use of generative adversarial networks or encoder-decoder networks, we propose a method wherein three CNNs are trained in parallel, to predict a certain element pair in the 3×3 transformation matrix, M^. The corrected image is produced by transforming the distorted input image using M^-1. The networks are trained from our generated distorted image dataset using KITTI images. Experimental results show promise in this approach, as our method is capable of correcting perspective distortions on images and outperforms other state-of-the-art methods. Our method also recovers the intended scale and proportion of the image, which is not observed in other works.

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Digitial Object Identifier (DOI)

10.3390/s20174898

Disciplines

Computer Sciences | Software Engineering

Keywords

Neural networks (Computer science); Computer vision; Image processing

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