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The river landform or the riverbed form is very complicated and a change like 3-D is often shown. Moreover, recently, to grasp the replying of the riverbed form to the flow of the river that changes in the time is looked for. Therefore, in this research, it tried the construction of the system that measures a riverbed form in case of indoors experiment from the stereophotograph. Concretely, it the photograph took the situation of the riverbed (the pattern of sand) first with the stereo using the digital camera. It fixed compatible of the identical point during image by the correlation analysis of two images. It applied the technique of the analysis photogrammetry to the result and it calculated 3-D coordinates on the riverbed. Then, it changed a photography condition and it compared between the calculation result and the actual measurement result by the system.

System to Measure the River Bed Form by Application of Picture Correlation and Analysis Photogrammetry