25 July 1989 Binocular Stereo Techniques For The Direct Measurement Of Area Or Volume
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Abstract
We present a technique for measuring the area of mesa shaped features of constant height and irregular outline starting from a pair of stereo images captured above the feature. Our method is based on correlating the sign images of the Laplacian of Gaussian convolution of the two grey-level images'. We generalise this method to measure the volume of an irregularly shaped pile of material, such as a blob of sol-der paste which has been applied to a circuit board in preparation for reflow soldering.
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Neil Hunt, Neil Hunt, P A Crossley, P A Crossley, H K Nishihara, H K Nishihara, } "Binocular Stereo Techniques For The Direct Measurement Of Area Or Volume", Proc. SPIE 1070, Reconnaissance, Astronomy, Remote Sensing and Photogrammetry, (25 July 1989); doi: 10.1117/12.952497; https://doi.org/10.1117/12.952497
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