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- W2357367923 abstract "To improving the efficiency and accuracy in rectangle extraction from the image,a practical algorithm about rectangular geometry extraction and calibration was presented based on Hough transform and least-square algorithm.A straight-line was detected,using the maximum data stored in Hough space accumulator.Then a more accurate line was fitted in the detected line region by using least-square algorithm.Four intersection points gotten from four lines were sorted,according to their position`s relationship from each point to the central point.A perspective transform matrix was computed through four pairs of points.All those points in a quadrangle were mapped to a rectangle by multiplied the matrix.The experiment results prove that,this method can achieve a good balance in efficiency and accuracy." @default.
- W2357367923 created "2016-06-24" @default.
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- W2357367923 date "2010-01-01" @default.
- W2357367923 modified "2023-09-28" @default.
- W2357367923 title "Extraction and correction of rectangle geometric date in machine vision" @default.
- W2357367923 hasPublicationYear "2010" @default.
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