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All Journal International Journal of New Media Technology
Themy Sabri Syuhada
Universitas Pendidikan Indonesia
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering

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Singular Value Decomposition for Deep Space Image Compression: A Hubble Case Study: A Hubble Case Study Themy Sabri Syuhada
IJNMT (International Journal of New Media Technology) Vol 13 No 1 (2026): Vol 13 No 1 (2026): IJNMT (International Journal of New Media Technology)
Publisher : Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/ijnmt.v13i1.4714

Abstract

Modern deep space exploration generates massive volumes of high-resolution imagery, creating a significant bottleneck for data transmission over limited bandwidths. This research addresses this challenge by evaluating Singular Value Decomposition (SVD) as a numerical Low-Rank Approximation technique for compressing astronomical data. Unlike data-hungry deep learning models, this study applies matrix factorization directly to raw 16-bit .TIF images from the Hubble Space Telescope, varying the rank (k) to analyze the trade-off between storage efficiency and reconstruction fidelity. Experimental results demonstrate that SVD offers a stable compression mechanism, effectively filtering sensor noise while preserving coherent celestial structures. The analysis identifies rank k=100 as the optimal threshold, achieving an average Peak Signal-to-Noise Ratio (PSNR) of 30.81 dB with a Compression Ratio of 12.87 times. These findings suggest that SVD provides a computationally efficient and mathematically deterministic alternative to complex neural networks for onboard satellite data processing, successfully balancing scientific accuracy with transmission constraints.
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