Computer vision techniques can estimate 3D shape from images, but usually only up to a scale factor. The scale factor must be obtained by a physical measurement of the scene or the camera motion. Using gauge theory, we show that how this scale factor is determined can significantly affect the accuracy of the estimated shape. And yet these considerations have been ignored in previous works where 3D shape accuracy is optimized. We investigate how scale fixing influences the accuracy of 3D reconstruction and determine what measurement should be made to maximize the shape accuracy.


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    Title :

    Gauge fixing for accurate 3D estimation


    Contributors:
    Morris, D.D. (author) / Kanatani, K. (author) / Kanade, T. (author)


    Publication date :

    2001-01-01


    Size :

    819569 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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