-
Article type: Cover
1995 Volume 51 Issue 9 Pages
Cover34-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
Article type: Cover
1995 Volume 51 Issue 9 Pages
Cover35-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
Article type: Index
1995 Volume 51 Issue 9 Pages
Toc21-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
Article type: Index
1995 Volume 51 Issue 9 Pages
Toc22-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
_i_-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
Article type: Appendix
1995 Volume 51 Issue 9 Pages
_ii_-_iv_
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
Article type: Appendix
1995 Volume 51 Issue 9 Pages
_v_-_viii_
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
Article type: Appendix
1995 Volume 51 Issue 9 Pages
_ix_-_xi_
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
Article type: Appendix
1995 Volume 51 Issue 9 Pages
_xii_-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
MASAMICHI SHIMAMURA, YOSHINORI FUNAMA, HIDETERU YOSHIDA, TAKEHIRO UCHI ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1197-1202
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
ROC analysis and rating by cumulated points have been widely employed for visual evaluations regarding medical images, which have no objective interval scales of the observer's confidence levels to categories in which their judgements regarding the presence or absence of subtle signals are ranked based on different types of point confidence-rating scales. By the method of successive categories, measurements of mean values over their confidence levels to categories and distances among them were carried out under the following assumptions. Observers ranked their judgements regarding the presence or absence of subtle signals on a 5-point confidence-rating scale. Their interpretation of the rating scale should be kept constant throughout this experiment. There experimental results suggest that the interval scales of confidence level of the rating to categories depend on the observers.
View full abstract
-
EIJI MATSUDA, GOH HITOMI, TAIZOH SANADA, TOSHIAKI KANEDA, KOHJI YOSHID ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1203-1208
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
We have evaluated the merits of X-ray cine sensitometry using the aluminum(Al) stepwedge bootstrap method, with a comparison of the N.D.filter method. In this study, multipler exposure for bootstrap sensitometry obtained by changing of the mAs value (Method 1), or using the N.D.Filter (Method 2). The shape of characteristic and gradient curves obtained from Method 1 or 2 were almost the same as that the using N.D. filter method. In addition, the average gradients of the characteristic curve for both of the Al stepwedge bootstrap method showed no difference from that of the N.D. filter method. These results suggest that both the Al stepwedge bootstrap methods are able to be applied to X-ray cine sensitometry. In X-ray cine sensitometry, these two Al stepwedge bootstrap methods were much easier to carried out than N.D. filter method.
View full abstract
-
YASUO SAKURAI, SATORU KONDOH, SHINJI ABE, YUUICHI AOYAMA, NORIHIKO NAR ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1209-1214
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
It is already known that the absorbed dose changes due to the degree of leaf opening during irradiation with multi-leaf collimator. To compensate for this dose difference, 11 pairs of thin wedge filters correspending with multi-leaf collimators are installed in a beam shaping apparatus of a linear accelerator at Nagoya University Hospital. Basic characteristics of the filter such as filter thickness, maximum field size, the change in the beam energy and the filter factor are measured. The usable range of the filter position and field size is limited to each other. TPR increases to 0.96% with 6MV and to 0.68% with 10MV X-ray at the reference point, so the beam energy increases to about 7〜10% at 6MV and 10MV X-ray. Filter factors are the same at different field sizes and depths with 6MV and 10MV X-ray, respectively.
View full abstract
-
Article type: Appendix
1995 Volume 51 Issue 9 Pages
1215-1226
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1227-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1227-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1228-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1228-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1228-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1228-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1229-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1229-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1229-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1229-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1230-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1230-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1230-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1230-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1231-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1231-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1231-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1231-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1232-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1232-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1232-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1232-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1233-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1233-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1233-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1233-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1234-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1234-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1234-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1234-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1235-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1235-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1235-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1995 Volume 51 Issue 9 Pages
1235-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1236-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1236-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1995 Volume 51 Issue 9 Pages
1236-
Published: September 01, 1995
Released on J-STAGE: June 29, 2017
JOURNAL
FREE ACCESS