The Generalized Likelihood Ratio Test(GLRT) is used to estab-lish a binary hypotheses detector and estimates the unknown parameters that represent tit* background in the detector from the image.

• 它通过广义似然比检验(GLRT)模型构建二元检测算子，并利用观测数据估计出算子中代表背景的未知参数，而算子的关键参数-目标参数是通过投影追踪算法搜索异常点得到的。