Atangana-Baleanu Regularized Wavelet Compression For Astronomical Time-Series
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arXiv
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| Auteurs principaux: | , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866914202989363200 |
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| author | Demir, Taylan Koçyiğit, Atakan |
| author_facet | Demir, Taylan Koçyiğit, Atakan |
| contents | Astronomical light curves are noisy and irregular, so compression must reduce size without erasing weak transients. We propose a fractional wavelet compression method where wavelet coefficients are regularized via an Atangana Baleanu Caputo derivative with a nonsingular Mittag Leffler kernel. The induced long memory smoothing suppresses noise while preserving coherent transits, flares and oscillations. We give the coefficient level formulation, an efficient implementation, and comparisons with classical discrete wavelet thresholding, showing competitive compression with improved retention of low-amplitude events. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_13916 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Atangana-Baleanu Regularized Wavelet Compression For Astronomical Time-Series Demir, Taylan Koçyiğit, Atakan Instrumentation and Methods for Astrophysics 62M10, 94A12, 65T60, 68T05, 65D18 Astronomical light curves are noisy and irregular, so compression must reduce size without erasing weak transients. We propose a fractional wavelet compression method where wavelet coefficients are regularized via an Atangana Baleanu Caputo derivative with a nonsingular Mittag Leffler kernel. The induced long memory smoothing suppresses noise while preserving coherent transits, flares and oscillations. We give the coefficient level formulation, an efficient implementation, and comparisons with classical discrete wavelet thresholding, showing competitive compression with improved retention of low-amplitude events. |
| title | Atangana-Baleanu Regularized Wavelet Compression For Astronomical Time-Series |
| topic | Instrumentation and Methods for Astrophysics 62M10, 94A12, 65T60, 68T05, 65D18 |
| url | https://arxiv.org/abs/2512.13916 |