According to the statistic characteristics of IR background clutter, an improved spatial matched filter (SMF) is presented.
针对红外背景杂波的统计特性,提出了一种改进型的空间匹配滤波算法。
Theory analysis and computer simulation show the improved SMF is a linear approach and it can extract dim target from IR background clutter effectively.
原理分析与实验结果表明,这是一种易于硬件实现,能有效抑制强起伏背景杂波的线性滤波方法。
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。
This paper, in connection with ir target signature research, deals with the principle and realization for the ir imaging terminal-guidance technology of air-to-air missile in clutter background.
通过结合目标红外特征,研究了空-空弹在复杂背景条件下的目标红外成像末制导的技术原理和实施途径。
Combined with the research on ir imaging signature of target, the principle of ir imaging homing guidance technology of air defence missile in clutter background is described.
结合对目标红外特性的研究,阐述了在复杂背景条件下防空导弹对目标的红外成像寻的制导原理。
A new method of IR small dim target detection based on big clutter background was provided. It worked well in heavy cloud and big moving clutter background.
提出了一种强噪声背景下弱小目标的快速检测方法,解决了在此背景下存在厚云层和大运动杂波的问题。
In order to detect the weak targets from clutter background, the background suppression of IR image is necessary.
为了检测出起伏背景下的弱小目标,需要对红外图像进行背景抑制。
The experimental results show that the method can reject the clutter caused by waves and clouds and effectively detect and segment IR small target in the complicated sea background.
实验结果表明,该方法可以较好地抑制海浪、云层等背景的干扰,能有效检测复杂海面背景中的红外小目标。
The experimental results show that the method can reject the clutter caused by waves and clouds and effectively detect and segment IR small target in the complicated sea background.
实验结果表明,该方法可以较好地抑制海浪、云层等背景的干扰,能有效检测复杂海面背景中的红外小目标。
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