Abstract

With increasing utilization of medical imaging in clinical practice and the growing dimensions of data volumes generated by various medical imaging modalities, the distribution, storage, and management of digital medical image data sets requires data compression. Over the past few decades, several image compression standards have been proposed by international standardization organizations. This paper discusses the current status of these image compression standards in medical imaging applications together with some of the legal and regulatory issues surrounding the use of compression in medical settings.

Highlights

  • Medical imaging has become an indispensable tool in clinical practice

  • We provide a review of the current status of image compression standards used for medical imaging data in these systems

  • Modern medical practice relies heavily on imaging techniques that produce an ever-increasing volume of digital medical imaging data

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Summary

Introduction

Medical imaging has become an indispensable tool in clinical practice. Studies have shown links between the use of medical imaging exams and declines in mortality, reduced need for exploratory surgery, fewer hospital admissions, shorter hospital stays, and longer life expectancy [1]. Data compression plays an important role in these systems. Proprietary compression techniques greatly increase the cost and effort required to migrate data between different systems, and interoperability and compatibility of these systems necessitate the use of standards for digital communications [4]. We provide a review of the current status of image compression standards used for medical imaging data in these systems Data compression has an important role to play for management of such physiological signals as well.

Characteristics of Medical Imaging Data Sets
Digital Radiography and Computed Tomography
Magnetic Resonance Imaging
Ultrasound
Nuclear Imaging
Digital Pathology
Image Compression Standards
JPEG2000
JPEG-LS
JPEG-XR
Standards in Medical Image Communications
Legal and Regulatory Environment
Compression Performance of Image Compression Standards on Medical Data Sets
Lossless Compression
Lossy Compression
Findings
Conclusions and Future Directions
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