UniCompress: Enhancing Multi-Data Medical Image Compression with Knowledge Distillation
Runzhao Yang, Yinda Chen, Zhihong Zhang, Xiaoyu Liu, Zongren Li,, Kunlun He, Zhiwei Xiong, Jinli Suo, Qionghai Dai

TL;DR
UniCompress introduces a novel multi-data medical image compression method using a single INR network enhanced by wavelet transforms, quantization, and knowledge distillation, significantly improving speed and compression performance over existing methods.
Contribution
It is the first to compress multiple medical images with one INR network and employs knowledge distillation to improve compression ratios and efficiency.
Findings
Outperforms traditional INR and HEVC in complex scenarios
Achieves 4-5 times faster compression speed than existing INR methods
Effective on CT and electron microscopy datasets
Abstract
In the field of medical image compression, Implicit Neural Representation (INR) networks have shown remarkable versatility due to their flexible compression ratios, yet they are constrained by a one-to-one fitting approach that results in lengthy encoding times. Our novel method, ``\textbf{UniCompress}'', innovatively extends the compression capabilities of INR by being the first to compress multiple medical data blocks using a single INR network. By employing wavelet transforms and quantization, we introduce a codebook containing frequency domain information as a prior input to the INR network. This enhances the representational power of INR and provides distinctive conditioning for different image blocks. Furthermore, our research introduces a new technique for the knowledge distillation of implicit representations, simplifying complex model knowledge into more manageable formats to…
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Taxonomy
TopicsAdvanced Data Compression Techniques
MethodsKnowledge Distillation
