We discuss deeply the methods of edge detection and edge linkage for obtaining the target region of a signal point.
在获得信号点亮度区域的方法中，本文重点讨论了信号点边缘检测和边缘连接的方法。
Detection of moving point target in infrared sequence images with complex background is the emphasis and difficulty of target detection.
在复杂背景红外序列图像中，运动点目标的检测一直是研究的重点和难点。
The effective detection for point target in low SNR IR images is dependent greatly on the suppression of background clutter.
低信噪比条件下点目标的检测性能在很大程度上依赖于对红外背景杂波的抑制情况。
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