...滤波, 似然比检测, 邻域判决, 图像流[gap=1032]Key words: target detection, high pass filter, likelihood ratio detection, neighborhood judge, image flow...
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在未知瞬态信号检测中，一般采用广义似然比检测。
To detect unknown signals, we usually use the generalized likelihood ration test (GLRT).
本文提出了一种利用广义似然比检测图象边缘的算法。
In this paper, We present an edge detection algorithm using generalized likelihood ratio.
然而广义似然比检测不能有效利用瞬态信号的固有特性，检测性能不是很好。
However, the performance of the GLRT is not very good since it does not adequately use the intrinsic characteristic of transients.
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