用于红外图像中普遍存在的坏元，进行检测。此算法不包含补偿功能，用户可以自己根据检测位置，使用中值或均值滤波进行坏元补偿-Is common used in the infrared images of the yuan, bad for testing.This algorithm does not include the compensation function, the user can according to the test position, using the median or mean filtering bad yuan compensation