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Evaluation of PSNR value for image super-resolution using deep learning

Author(s)
Somia Ali Government College University, Faisalabad, Pakistan.
Uzma Jamil Government College University, Faisalabad, Pakistan.
Mamoona Jabbar Government College University, Faisalabad, Pakistan.
Asma Sajid Government College University, Faisalabad, Pakistan.
Muhammad Assad Jabbar Universiti Sains Malaysia,,Malaysia
Abstract
Deep learning, inspired by the human brain, is adept at deciphering extensive data sets. In recent years, its methodologies have gained prominence across diverse domains, notably in image processing. These methods shine in tasks such as object detection, image augmentation, and especially in super-resolution-a technique that transforms low-resolution images into high-definition versions. Prominent models like the Convolutional Neural Network for Super Resolution, Super Resolution Residual Network, Generative Adversarial Network for Super Resolution, and its enhanced version, are pivotal in this transformation process. Each layer in these models is tailored to refine low-quality images into their high-resolution analogues. This means multiple clear images can emerge from a single blurry counterpart. For our research, we compiled a dataset of assorted images. We then compared the original low-quality versions to their deep learning-enhanced equivalents. To ensure a rigorous comparison, we employed metrics like the Peak Signal-to-Noise Ratio and the Structural Similarity Index. Our evaluation also incorporated calculating the 'ground truth' value, ensuring a comprehensive assessment. Among the models tested, VGG54 was a standout, boasting an impressive 96% similarity index. This underscores deep learning's potential in revolutionizing image processing and enhancement.
Publication Details
Page(s) 23-33
Published Journal: Lahore Garrison University Research Journal of Computer Science and Information Technology, Volume: 7, Issue: 4, Year: 2023

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Keywords
Deep learning, generative adversarial network, single image super-resolution, Residual Network, Peak Signal-to-Noise Ratio
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