双能X射线旅行箱图像走轮及拉杆识别方法

Roll and Bar Recognition Method in Dual-Energy X-Ray Image of Luggage

针对目前X射线行李安检过程中旅行箱自身的走轮及拉杆对违禁品自动探测的干扰问题,研究了一种旅行箱图像走轮及拉杆的识别方法:利用一种对旅行箱走轮轴承识别技术,识别出走轮区域并定位轴承坐标;依据坐标对图像仿射变换并进行直线检测,最后运用一种积分投影方法来识别出拉杆区域。试验结果表明,该方法能够较好地识别出旅行箱走轮及拉杆,对提高安检设备违禁品自动探测精度起到很大的帮助。

Aiming at the disturbance of the roll and bar on the luggage to the automatic detection of contraband goods in the X-ray baggage security inspection process , a method to recognize the roll and bar on the luggage is studied.A method to recognize the bearing of the roll is used to locate the coordinates .According to the coor-dinate, the image is affine transformed and detect the lines , an integrated projection method is eventually used to recognize the bar regions .The test results prove that the method is effective to recognize the roll and bar on the luggage, and is useful for increasing the automatic detectable precision of contraband goods of the X -ray detector.