【摘要】 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.针对红外起伏背景的统计特性,提出了一种线性、非线性的混合滤波算法,并从工程实用的角度给出了一个基于DSP与FPGA的并行硬件处理系统.结果表明,系统对红外起伏背景的估计效果良好并兼顾实时性.更多还原

【Abstract】 The detection problem of point targets in IR images is a hot spot nowadays.In order to detect the weak targets from clutter background,the background suppression of IR image is necessary.This paper gives a linear and nonlinear combined filtering algorithm according to the infrared image’s statistical features.And a background estimation system is designed based on DSP and FPGA from the view of practical engineering.The results show that the system performs well in background estimation.更多还原