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RISSThis study was to compare Q-factor that indicates a relationship between parallel density and diffused density with correlation formula. The results are as follows: 1. Q-factor has difference between high density and low density. The Q-factor has in...
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RISS 인기검색어
방사선 영상에서 평행광 농도와 확산광 농도의 상관관계 = The Coefficient of Correlation between Parallel Density and Diffused Density in Radiographic Images
한글로보기https://www.riss.kr/link?id=A40053563
- 저자
- 발행기관
- 학술지명
- 권호사항
-
발행연도
1998
-
작성언어
Korean
-
KDC
510.000
-
자료형태
학술저널
-
수록면
45-49(5쪽)
- 제공처
-
0
상세조회 -
0
다운로드
부가정보
다국어 초록 (Multilingual Abstract)
This study was to compare Q-factor that indicates a relationship between parallel density and diffused density with correlation formula.
The results are as follows:
1. Q-factor has difference between high density and low density. The Q-factor has increased when the density is lower down and has decreased when the density is higher up.
2. Correlation formula is considered a better way than the Q-factor in expressing the relationship between parallel density and diffused density.
3. Correlation formula of the density value in PDS-15 and PDA-81 is indicated as PDA=0.168029＋0.719474 PDS.
The average value of the Q-factor is 1.77 in range of 0.19 to 3.54 PDA-81 diffused density.
The results are as follows:
1. Q-factor has difference between high density and low density. The Q-factor has increased when the density is lower down and has decreased when the density is higher up.
2. Correlation formula is considered a better way than the Q-factor in expressing the relationship between parallel density and diffused density.
3. Correlation formula of the density value in PDS-15 and PDA-81 is indicated as PDA=0.168029＋0.719474 PDS.
The average value of the Q-factor is 1.77 in range of 0.19 to 3.54 PDA-81 diffused density.
This study was to compare Q-factor that indicates a relationship between parallel density and diffused density with correlation formula.
The results are as follows:
1. Q-factor has difference between high density and low density. The Q-factor has increased when the density is lower down and has decreased when the density is higher up.
2. Correlation formula is considered a better way than the Q-factor in expressing the relationship between parallel density and diffused density.
3. Correlation formula of the density value in PDS-15 and PDA-81 is indicated as PDA=0.168029＋0.719474 PDS.
The average value of the Q-factor is 1.77 in range of 0.19 to 3.54 PDA-81 diffused density.
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