1996-02-01

Band Information Reconstruction from a Single Photo - A Superimposed Method 960893

To interpret the information on a 2-D image of a 3-D world in order to determine the displacement of the 3-D objects portrayed in the image, this study superimposes the 2-D image with another photo which is taken from the same site and includes some additional objects with well defined dimensions. In this synthetic image, those added objects serve as a datum; mathematical functions are then used to evaluate the true size of any object in the image. In the computerized photogrammetry method proposed in this study, other than the need for an additional photo with known-dimension poles in it and the required adjustment on the direction and distance of this photo to suit for the target one, there is no extra field measurement necessary, nor is any adjustment introduced in the computational process.

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