A Green Learning Approach to LDCT Image Restoration
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arXiv
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866917288127496192 |
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| author | Wang, Wei Wu, Yixing Kuo, C. -C. Jay |
| author_facet | Wang, Wei Wu, Yixing Kuo, C. -C. Jay |
| contents | This work proposes a green learning (GL) approach to restore medical images. Without loss of generality, we use low-dose computed tomography (LDCT) images as examples. LDCT images are susceptible to noise and artifacts, where the imaging process introduces distortion. LDCT image restoration is an important preprocessing step for further medical analysis. Deep learning (DL) methods have been developed to solve this problem. We examine an alternative solution using the Green Learning (GL) methodology. The new restoration method is characterized by mathematical transparency, computational and memory efficiency, and high performance. Experiments show that our GL method offers state-of-the-art restoration performance at a smaller model size and with lower inference complexity. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2602_19540 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | A Green Learning Approach to LDCT Image Restoration Wang, Wei Wu, Yixing Kuo, C. -C. Jay Computer Vision and Pattern Recognition Artificial Intelligence This work proposes a green learning (GL) approach to restore medical images. Without loss of generality, we use low-dose computed tomography (LDCT) images as examples. LDCT images are susceptible to noise and artifacts, where the imaging process introduces distortion. LDCT image restoration is an important preprocessing step for further medical analysis. Deep learning (DL) methods have been developed to solve this problem. We examine an alternative solution using the Green Learning (GL) methodology. The new restoration method is characterized by mathematical transparency, computational and memory efficiency, and high performance. Experiments show that our GL method offers state-of-the-art restoration performance at a smaller model size and with lower inference complexity. |
| title | A Green Learning Approach to LDCT Image Restoration |
| topic | Computer Vision and Pattern Recognition Artificial Intelligence |
| url | https://arxiv.org/abs/2602.19540 |