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Coin Recognition Using Circular Hough Transform

Keywords: Circular Hough Transform (CHT) , Circle Detection , Coin Recognition

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Abstract:

This paper represents algorithm for recognition of the coins of different denomination. The proposed system first uses a canny edge detection to generate an edge map, then uses CHT (Circular Hough transform) to recognize the coins and further find the radii of them. Based on the radius of the coin, the coins of different denomination are classified. The experimental result shows that the Hough transform is an effective tool for coin detection even in the presence of noise.

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