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KMID : 1147120090150010033
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Journal of the Korean Society of Imaging Informatics in Medicine
2009 Volume.15 No. 1 p.33 ~ p.38
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Compression and Transmission of CBCT Dental Images for Web-based Dental Services
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Hong Sung-Hye
Kim Jung-Chae
Baek Jin-Wook
Kim Ki-Deok
Yoo Sun-Kook
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Abstract
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Due to the development of communication technology, researches which integrate Independent services in the medical field have been continued. In the web-based services, efforts of collaboration and interoperability between systems and services have been increased and the problem of processing large size’s medical data has been emerged. Since the mid 1980s, JPEG has been adopted to the international standard and has been used in compressing a variety of multimedia data. However, because of disadvantages such as the impossibility of unifying loss and lossless and blocking after compression, JPEG2000 standard was developed. JPEG2000 provide a variety of features such as high compression efficiency, loss/lossless, and region of interest, etc. Therefore, it has been applied to various fields. In this study, a system which compressed dental images acquired from CBCT was implemented using JPEG2000 for the web-based dental service. To improve transport efficiency, the scalability of JPEG2000 was applied to this system. To evaluate compression performance, PSNR which is a indicator of signal and noise’s signal power ratio was used. By comparing the original image and the decompressed image with PSNR and measuring the transfer time of scalability, the feasibility of this system was proven.
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KEYWORD
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JPEG2000, compression, CBCT, dental service
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