Publications
Detailed Information
The Relationship between Subjective and Objective Parameters in CT Phantom Image Evaluation
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Park, Hye Jung | - |
dc.contributor.author | Jung, Seung Eun | - |
dc.contributor.author | Lee, Young Joon | - |
dc.contributor.author | Cho, Woo Il | - |
dc.contributor.author | Kim, Seung Hyup | - |
dc.contributor.author | Kim, Ki Hwang | - |
dc.contributor.author | Do, Kyung Hyun | - |
dc.date.accessioned | 2012-07-02T06:54:14Z | - |
dc.date.available | 2012-07-02T06:54:14Z | - |
dc.date.issued | 2009-10 | - |
dc.identifier.citation | KOREAN JOURNAL OF RADIOLOGY; Vol.10 5; 490-495 | ko_KR |
dc.identifier.issn | 1229-6929 | - |
dc.identifier.uri | https://hdl.handle.net/10371/78105 | - |
dc.description.abstract | Objective: To evaluate whether there is a relationship between subjective parameters determined by a reviewer (spatial resolution, low contrast resolution, and artifacts) and objective parameters (the CT number of water, noise, and image uniformity) in CT phantom image evaluations. Materials and Methods: We reviewed the CT results of phantom image evaluations conducted by Korean Institute for Accreditation of Medical Image (KIAMI) from May 2007 to June 2007. We compared the objective parameters against the pass or fail groups for the subjective parameters. We also evaluated whether there is a relationship between the artifact types and the other subjective parameters. Results: The mean noise value was significantly higher in the fail groups for the subjective parameters compared to the pass groups (p = 0.006). Specifically, noise and low contrast resolution were found to have a statistically significant positive correlation (r = 0. 183, p < 0.001). In the fail group for low contrast resolution, the failure due to artifacts was significantly higher than the pass group (p < 0.001). In contrast, no statistically significant differences were found for the mean CT number of water, noise, or image uniformity based on the types of artifacts. Conclusion: Subjective CT image parameters evaluated by a reviewer correlate with objectively measured parameters, especially noise. Therefore, a stricter noise standard might be able to improve the subjective parameters results, such as low contrast resolution. | ko_KR |
dc.language.iso | en | ko_KR |
dc.publisher | KOREAN RADIOLOGICAL SOC | ko_KR |
dc.subject | Computed tomography (CT) | ko_KR |
dc.subject | Phantoms | ko_KR |
dc.subject | image quality | ko_KR |
dc.title | The Relationship between Subjective and Objective Parameters in CT Phantom Image Evaluation | ko_KR |
dc.type | Article | ko_KR |
dc.contributor.AlternativeAuthor | 박혜정 | - |
dc.contributor.AlternativeAuthor | 정승은 | - |
dc.contributor.AlternativeAuthor | 이영준 | - |
dc.contributor.AlternativeAuthor | 조우일 | - |
dc.contributor.AlternativeAuthor | 도경현 | - |
dc.contributor.AlternativeAuthor | 김승협 | - |
dc.contributor.AlternativeAuthor | 김기황 | - |
dc.identifier.doi | 10.3348/kjr.2009.10.5.490 | - |
dc.citation.journaltitle | KOREAN JOURNAL OF RADIOLOGY | - |
dc.description.citedreference | Park HJ, 2008, KOREAN J RADIOL, V9, P354, DOI 10.3348/kjr.2008.9.4.354 | - |
dc.description.citedreference | IM TH, 2007, 1 KIAMI, P1 | - |
dc.description.citedreference | *KIAMI DEP ED, 2006, WORKSH EX QUAL ASS P, P141 | - |
dc.description.citedreference | *FLUK CORP, 2005, NUCL ASS 76 410 4130 | - |
dc.description.citedreference | *KIAMI DEP ED, 2005, WORKSH EX QUAL ASS P, P13 | - |
dc.description.citedreference | McCollough CH, 2004, MED PHYS, V31, P2423, DOI 10.1118/1.1769632 | - |
dc.description.citedreference | MCCOLLOUGH CM, 2000, CATEGORICAL COURSE D, P189 | - |
dc.description.citedreference | WIL R, 1998, CT IMAGE QUALITY | - |
dc.description.citedreference | EUCLID S, 1994, COMPUT TOMOGR, P174 | - |
dc.description.citedreference | BETHESDA MD, 1988, 99 NCRP | - |
dc.description.citedreference | JUDY PF, 1977, 1 AAPM | - |
dc.description.citedreference | *ACR, CT ACCR PROGR REQ | - |
dc.description.tc | 1 | - |
- Appears in Collections:
- Files in This Item:
Item View & Download Count
Items in S-Space are protected by copyright, with all rights reserved, unless otherwise indicated.