Image dehazing using autoencoder convolutional neural network

Richa Singh (), Ashwani Kumar Dubey () and Rajiv Kapoor ()
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Richa Singh: Amity University Uttar Pradesh
Ashwani Kumar Dubey: Amity University Uttar Pradesh
Rajiv Kapoor: Delhi Technological University

International Journal of System Assurance Engineering and Management, 2022, vol. 13, issue 6, No 16, 3002-3016

Abstract: Abstract In hazy weather, the image in the scene suffers from noise which makes them less visible and to detect an object in hazy weather becomes a challenging task in computer vision. To have noise free image, many researchers have devised denoising techniques for enhancing visibility of images. Denoising is to remove the random variation from images and preserve the image features. As hazy images cause lots of visibility issues, this paper proposes removing haze and enhancing visibility of bad weather images with improved efficacy using an unsupervised neural network autoencoder that compress the data using machine learning and learns through Convolutional Neural Network (CNN). It has been observed that to have increased accuracy, the image classification and analysis is most effective using CNN. An end-to-end decoder training model is used to achieve the quality images. Further, various optimizers are compared to have better accuracy. The quality of images identified by estimation of performance such as RMSE and PSNR values are evaluated over single image and images from existing datasets and our own dataset. In the proposed method, RMSE value comes out to be 0.0373 for image from BSD500 dataset for specific image compared with other state of art approaches. The proposed model is intended in addition to other active, or progressive methods and the suggested method exceeds. The performance quality of images is explored applying measurable metrics. The images are taken from the datasets O-Haze, I-Haze, BSDS500, RESIDE, FRIDA and some from google.

Keywords: Convolutional neural network; Neural network; Deep neural network; Rectified linear unit; Autoencoder (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s13198-022-01780-5

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