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KMID : 1147120080140010024
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Journal of the Korean Society of Imaging Informatics in Medicine
2008 Volume.14 No. 1 p.24 ~ p.29
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The Evaluation of Image Quality of Medical Image for Electronic Medical Record System: Exclude Radiologic Images
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Cha Soon-Joo
Hong Seong-Wan
Kim Yong-Hoon
Seo Jung-Wook
Lee Ji-Young
Kim Nam-Hoon
Kim Han-Seong
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Abstract
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Purpose: To evaluate acceptable compression rate of JPEG2000 in long term archiving endoscopic images and pathologic images in EMR.
Materials and Methods: Each 10 images of Endoscopy and pathology. All images are compressed with rate of 1:5, 1:10, 1:20, 1:40 by JPEG2000 compression protocol. The pairs of original and compressed images were compared by endosopist or pathologist. We designed JPEG2000 viewing program for comparing two images in one monitor system for easy and quick evaluation. The observers performed comparing study with 2 mega pixel color LCD monitors.
Results: All endoscopic images with 1:10 compression had more than score 1 and were acceptable in diagnosis, and 8 case of 1:40 compression were not acceptable in diagnosis. All microscopic images with 1:20 compression had more than score 1 and were acceptable in diagnosis, and 3 case of 1:40 compression were not acceptable in diagnosis.
Conclusion: Clinically acceptable image compression rate of JPEG2000 in endoscopic images and microscopic images are 1:10 and 1:20.
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KEYWORD
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PACS, PACS Digital imaging and communications in medicine (DICOM)
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