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Research Articles

Video super resolution using non-linear regression and deep learning

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Pages 305-318 | Received 08 May 2018, Accepted 22 Jul 2019, Published online: 04 Sep 2019
 

ABSTRACT

In this paper, a hybrid model is developed by integrating a non-linear regression model and optimization-driven deep learner for video super resolution. Initially, the low-resolution frames are subjected to framing, and each frame is provided to both Fractional-Group Search Optimizer-based Deep Belief Network (FrGSO-DBN) classifier and the nonlinear regression model. Then, the output frames of both methods are averaged by the proposed hybrid model and the enhanced video frame is generated. Here, the FrGSO is developed by modifying the update process of the GSO using the fractional theory, to train the DBN such that the weights in the DBN are selected optimally. Finally, the simulation results reveal that the proposed hybrid model achieves high values of 0.8697, 25.637 dB, 0.9171, and 49.821 dB, for the metrics Structural Similarity Index Measure, Peak Signal to Noise Ratio, Feature Similarity Index Measure, and Second Derivative like Measurement of Enhancement, respectively.

Disclosure statement

No potential conflict of interest was reported by the authors.

Notes on contributors

Dr. R. Sudhakar holds a Ph.D. in Computer Science and Engineering from Anna University, Chennai, India. His research interests and work experience spans the areas of Image processing, Data Analytics, Human Computer Interaction. He has been currently working as a faculty member the Department of Computer Science & Engineering at Madanapalle Institute of Technology & Science, Andhra Pradesh, India. He has published more than 30 papers in international conferences and journals.

Dr. P. V. Venkateswara Rao holds a Ph.D. in Computer Science and Engineering from Jawaharlal Nehru Technological University Kakinada, India. His research interests and work experience spans the areas of Mobile Ad-hoc Networks, Image processing, Data Analytics, Human Computer Interaction. He has been currently working as a faculty member the Department of Computer Science & Engineering at Madanapalle Institute of Technology & Science, Andhra Pradesh, India. He has published more than 20 papers in international conferences and journals.

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