Learned Image Compression and Restoration for Digital Pathology

• URL: http://arxiv.org/abs/2503.23862v2
• Date: Tue, 01 Apr 2025 03:06:51 GMT
• Title: Learned Image Compression and Restoration for Digital Pathology
• Authors: SeonYeong Lee, EonSeung Seong, DongEon Lee, SiYeoul Lee, Yubin Cho, Chunsu Park, Seonho Kim, MinKyung Seo, YoungSin Ko, MinWoo Kim,
• Abstract summary: Digital pathology images play a crucial role in medical diagnostics, but their ultra-high resolution and large file sizes pose significant challenges for storage, transmission, and real-time visualization.<n>We propose CLERIC, a novel deep learning-based image compression framework designed specifically for whole slide images (WSIs)<n> CLERIC integrates a learnable lifting scheme and advanced convolutional techniques to enhance compression efficiency while preserving critical pathological details.
• Score: 3.7263231077138608
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Digital pathology images play a crucial role in medical diagnostics, but their ultra-high resolution and large file sizes pose significant challenges for storage, transmission, and real-time visualization. To address these issues, we propose CLERIC, a novel deep learning-based image compression framework designed specifically for whole slide images (WSIs). CLERIC integrates a learnable lifting scheme and advanced convolutional techniques to enhance compression efficiency while preserving critical pathological details. Our framework employs a lifting-scheme transform in the analysis stage to decompose images into low- and high-frequency components, enabling more structured latent representations. These components are processed through parallel encoders incorporating Deformable Residual Blocks (DRB) and Recurrent Residual Blocks (R2B) to improve feature extraction and spatial adaptability. The synthesis stage applies an inverse lifting transform for effective image reconstruction, ensuring high-fidelity restoration of fine-grained tissue structures. We evaluate CLERIC on a digital pathology image dataset and compare its performance against state-of-the-art learned image compression (LIC) models. Experimental results demonstrate that CLERIC achieves superior rate-distortion (RD) performance, significantly reducing storage requirements while maintaining high diagnostic image quality. Our study highlights the potential of deep learning-based compression in digital pathology, facilitating efficient data management and long-term storage while ensuring seamless integration into clinical workflows and AI-assisted diagnostic systems. Code and models are available at: https://github.com/pnu-amilab/CLERIC.

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