Journal of the Japan society of photogrammetry and remote sensing
Online ISSN : 1883-9061
Print ISSN : 0285-5844
ISSN-L : 0285-5844
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Volume 14, Issue 2
Displaying 1-6 of 6 articles from this issue
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  • Aerial Photogrammetry of Flood Flow Applied to River Improvement
    Ryosaku Kinoshita
    1975 Volume 14 Issue 2 Pages 1-12
    Published: February 25, 1976
    Released on J-STAGE: December 08, 2010
    DOIhttps://doi.org/10.4287/jsprs.14.2_1
    JOURNAL FREE ACCESS
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    When the banks of a meandering river channel are reveated all along and the amplitude of meandering is kept within certain limits, the alternating sand bars keep creeping along the river channel. But when the amplitude becomes larger and reaches a certain critical point, the creeping stops and the form of the river bed becomes stabilized. It has been a very important question in view of bank protection to discover the conditions accompanying this critical point in order to secure a stabilized water route.
    The author, since 1963, has advocated the use of photogrammetry on flood flows, and as a result of his research he has clarified the relation between the distribution of the surface velocity vector and the movement of the sand bars. He has also studied the yearly transitions of the sand bar forms in many river channels, using aerial photos, and, along with his study in the experimental channels using photogrammetry, he has discovered a general law governing the conditions accompanying the critical point.
    The author applied photogrammetry to one of the main rivers in Japan, the Yodo River, at the time of flood when its waters reached the design flood discharge. He then contributed to the planning and designing of the large scale improvement project on this river.
    Several examples of photogrammetry showing various phenomena that can be observed in flood flows are also shown as illustrations.
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  • Study on Analytical Orientation in Space by Means of Orthogonal Formulation
    Yeu Bock-Mo
    1975 Volume 14 Issue 2 Pages 13-20
    Published: February 25, 1976
    Released on J-STAGE: March 19, 2010
    DOIhttps://doi.org/10.4287/jsprs.14.2_13
    JOURNAL FREE ACCESS
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    This paper contains a study of orthogonal formulation for analytical orientation in space, which is a problem of great importance in photogrammetry.
    Several methods of analytical orientation in space have been developed extensively during the last scores of years for aerial triangulation since electronic computers have become available. All methods of analytical orientation in space are actually based on the concept of iteration for solving non-linear equations.
    From this standpoint, the author studied a possible solution of analytical orientation in space. Estimation of the computations involved in this central part of orientation in space is based on an orthogonal formulation which has been investigated by the author.
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  • Measurements of Minute Deformations of Models with a Photogrammetric Method
    S. Kurihara, H. Asada, T. Shiroyanagi, K. Matsushita
    1975 Volume 14 Issue 2 Pages 21-28
    Published: February 25, 1976
    Released on J-STAGE: March 19, 2010
    DOIhttps://doi.org/10.4287/jsprs.14.2_21
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    The object of this experiment is to make up data for stress analysis on the model which is of the first lattice shell type of constructions in Japan. This experiment is one of the serially schemed experiments to build this construction.
    The main purpose of this experiment is to measure the deformations of L.S. under various loads applied to the model by using stereo-photos. The another purpose is to get accurate three-dimensional coordinates of knots of the model. Here we report how the parallax method (Cameron Effect) is adopted for determination.
    We have had rather satisfactory results for plane, that is mean square error ±0.2 mm, maximum error 0.5mm (7μ on the negative) . But for height, it is not so good, m.s.e. ±0.5mm, max. 1.0mm (H/3500) . Though we can use these results for plane deformation, we will continue to study further for height deformation of deformation.
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  • [title in Japanese]
    [in Japanese]
    1975 Volume 14 Issue 2 Pages 29-36
    Published: February 25, 1976
    Released on J-STAGE: March 19, 2010
    DOIhttps://doi.org/10.4287/jsprs.14.2_29
    JOURNAL FREE ACCESS
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  • INFRARED THERMOGRAPHY AT THE ITC; The Radication Lows
    S.A. Hempenias
    1975 Volume 14 Issue 2 Pages 37-46
    Published: February 25, 1976
    Released on J-STAGE: March 19, 2010
    DOIhttps://doi.org/10.4287/jsprs.14.2_37
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1975 Volume 14 Issue 2 Pages 56-61
    Published: February 25, 1976
    Released on J-STAGE: March 19, 2010
    DOIhttps://doi.org/10.4287/jsprs.14.2_56
    JOURNAL FREE ACCESS
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