An information detection method and device

摘要: The embodiment of the invention provides an information detection method and device, relates to technical field image processing. comprises steps obtaining a to-be-detected edge image; aiming at each pixel unit in preset range image, arranging units points units, determining feature used for detecting circles wherein are arranged detect whether target circle exists or not, is with line segments determined by any two as diameters forming circumference rows columns; that detected result image. By applying scheme provided inthe calculation amount can be saved, efficiency improved.