Abstract
Accurate diagnosis of disease often depends on the exhaustive examination of Whole Slide Images (WSI) at microscopic resolution. Efficient handling of these data-intensive images requires lossy compression techniques. This paper investigates the limitations of the widely-used JPEG algorithm, the current clinical standard, and reveals severe image artifacts impacting diagnostic fidelity.
To overcome these challenges, we introduce a novel deep-learning (DL)-based compression method tailored for pathology images. By enforcing feature similarity of deep features between the original and compressed images, our approach achieves superior Peak Signal-to-Noise Ratio (PSNR), Multi-Scale Structural Similarity Index (MS-SSIM), and Learned Perceptual Image Patch Similarity (LPIPS) scores compared to JPEG-XL, Webp, and other DL compression methods. Our method increases the PSNR value from 39 (JPEG80) to 41, indicating improved image fidelity and diagnostic accuracy.
Our approach can help to drastically reduce storage costs while maintaining large levels of image quality. Our method is online available.
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Acknowledgements
This work was partially supported by the DKTK Joint Funding UPGRADE, project “Subtyping of pancreatic cancer based on radiographic and pathological features” (SUBPAN), and by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under the grant 410981386.
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Fischer, M. et al. (2024). Enhanced Diagnostic Fidelity in Pathology Whole Slide Image Compression via Deep Learning. In: Cao, X., Xu, X., Rekik, I., Cui, Z., Ouyang, X. (eds) Machine Learning in Medical Imaging. MLMI 2023. Lecture Notes in Computer Science, vol 14349. Springer, Cham. https://doi.org/10.1007/978-3-031-45676-3_43
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DOI: https://doi.org/10.1007/978-3-031-45676-3_43
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