GPU (Graphics Processing Unit) frame based three-dimensional reconstruction method of dotted line optical flow field
A technology of three-dimensional reconstruction and optical flow field, which is applied in the field of three-dimensional reconstruction of point-line optical flow field based on GPU architecture, which can solve the problem that the unified model has not been established, and achieve the effect of accurate processing.
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[0007] The present invention is realized as follows: firstly, a unified model for reconstructing three-dimensional motion and structure based on pixel points and contour straight optical flow field is established. Point optical flow is calculated at low resolution, and linear optical flow is calculated at high resolution. The straight line expression dimension of the image is set to be consistent with the pixel point dimension, so the pixel point and the image straight line optical flow field reconstruction can be unified under a three-dimensional reconstruction calculation model. At the same time, considering the three-dimensional reconstruction of pixel points and the straight-line optical flow field of the image, it can reconstruct the local point information of the object, such as inflection points, corner points, and convex details. For the straight line contour, the above-mentioned model is used for reconstruction, and the curve with larger curvature can be approximated w...
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