Use c++ clipper to implement quadrilateral or polygon NMS.
Torch extension for calculating the Intersection over Union (IoU) for quadrilaterals, supports CPU and CUDA tensors. Handles both 1-to-1 and M-to-N matches, returning an IoU matrix with M rows and N columns.
A quadrilateral geom for ggplot2
An algorithm for fitting trapezoids from irregular polygons. Fork of QuadrilateralFitter, rewritten in C.
If any point P inside any concave quadrilateral, is joined to the midpoints of the sides of the quadrilateral, 4 quadrilaterals with surfaces by S1,S2,S3,S4 (marked in a direction of rotation) are formed, then the equation is true: S1+S3=S2+S4
Web interface to manipulate squares or rectangles
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