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Astronomical bodies detection with stacking of CoAtNets by fusion of RGB and depth Images
1 Department of CSE (AIML and Cyber Security), Guru Nanak Institute of Technology, Telangana, India.
2 Department of CSE (AIML), AVN Institute of Engineering Technology, Telangana, India.
Review
International Journal of Science and Research Archive, 2024, 12(02), 423–427.
Article DOI: 10.30574/ijsra.2024.12.2.1234
Publication history:
Received on 28 May 2024; revised on 04 July 2024; accepted on 07 July 2024
Abstract:
Space situational awareness (SSA) system requires detection of space objects that are varied in sizes, shapes, and types. The space images are difficult because of various factors such as illumination and noise and as a result make the recognition task complex. Image fusion is an important area in image processing for a variety of applications including RGB-D sensor fusion, remote sensing, medical diagnostics, and infrared and visible image fusion. In recent times, various image fusion algorithms have been developed and they showed a superior performance to explore more information that is not available in single images. In this paper I compared various methods of RGB and Depth image fusion for space object classification task. The experiments were carried out, and the performance was evaluated using fusion performance metrics. It was found that the guided filter context enhancement (GFCE) outperformed other image fusion methods in terms of average gradient, spatial frequency, and entropy. Additionally, due to its ability to balance between good performance and inference speed, GFCE was selected for RGB and Depth image fusion stage before feature extraction and classification stage. The outcome of fusion method is merged images that were used to train a deep assembly of CoAtNets to classify space objects into ten categories. The deep ensemble learning methods including bagging, boosting, and stacking were trained and evaluated for classification purposes. It was found that combination of fusion and stacking was able to improve classification accuracy.
Keywords:
Image Fusion; RGB; GFCE; CoAtNets and Stacking
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Copyright © 2024 Author(s) retain the copyright of this article. This article is published under the terms of the Creative Commons Attribution Liscense 4.0
