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Predecessor
Volume 34, Issue 3
Displaying 1-10 of 10 articles from this issue
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Shin-ichi Murakami1980 Volume 34 Issue 3 Pages 186-193
Published: March 01, 1980
Released on J-STAGE: March 14, 2011
JOURNAL FREE ACCESS -
Mitsuru Kawasaki, Yasuichi Uchiyama1980 Volume 34 Issue 3 Pages 194-203
Published: March 01, 1980
Released on J-STAGE: March 14, 2011
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Understanding of Three-Dimensional SceneSaburo Tsuji1980 Volume 34 Issue 3 Pages 204-212
Published: March 01, 1980
Released on J-STAGE: March 14, 2011
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Yoshitaka Hashimoto1980 Volume 34 Issue 3 Pages 213-220
Published: March 01, 1980
Released on J-STAGE: March 14, 2011
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Eisuke Kaneda, Noboru Niwa, Mikio Takagi, Sueo Miyaki, Kazuo Kurasawa, ...1980 Volume 34 Issue 3 Pages 221-227
Published: March 01, 1980
Released on J-STAGE: March 14, 2011
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Yoichiro Hirao1980 Volume 34 Issue 3 Pages 228-231
Published: March 01, 1980
Released on J-STAGE: March 14, 2011
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Takuji Tsuneoka1980 Volume 34 Issue 3 Pages 232-238_1
Published: March 01, 1980
Released on J-STAGE: March 14, 2011
JOURNAL FREE ACCESSThe minimum perceptible picture of a moving object in diagnostic X-ray television was calculated using a partly modified Morgan's formula, which has been for a stationary object.
Calculations on the contrast parameters were made for combinations of a 9-inch X-ray image intensifier tube with some kinds of vidicon type camera tube, in image speed range of 0-6.7 o/s. An experimental observation was made about one combination.
The observed data showed considerably good agreement with calculated ones.View full abstractDownload PDF (938K) -
Brightness Noise, Chromatic Noise and Sweep MeasurementHaruo Sakata1980 Volume 34 Issue 3 Pages 239-245
Published: March 01, 1980
Released on J-STAGE: March 14, 2011
JOURNAL FREE ACCESSAppearance of television noise, which is converted from electric noise by scanning mechanism, is related to spatial frequency response of human vision.
Essentially, in the case of chromatic television noise appearance, we found that (y-b) channel has narrower bandwidth and a lower sensitivity at the low frequency range compared with (r-g) channel.
We found that the low frequency response of vision to brightness television noise has no flat, and proposed sweeped method as a simplified measurement that the relative frequency response to television noise is shown intuitive.View full abstractDownload PDF (1252K) -
Jin-ichi Sato1980 Volume 34 Issue 3 Pages 246-247
Published: March 01, 1980
Released on J-STAGE: March 14, 2011
JOURNAL FREE ACCESSDownload PDF (225K) -
[in Japanese]1980 Volume 34 Issue 3 Pages 248-249
Published: March 01, 1980
Released on J-STAGE: March 14, 2011
JOURNAL FREE ACCESSDownload PDF (610K)
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