基于视觉机制的伪装仿真效果评价方法研究  

Research on Simulated Camouflage Evaluation Based on Human Visual Attention Mechanism

作　　者：初苗[1] 田少辉 余隋怀[1] 

机构地区：[1]西北工业大学机电学院,陕西西安710072 [2]总后建筑工程研究所,陕西西安710032

出　　处：《计算机仿真》2014年第3期60-64,共5页Computer Simulation

基　　金：2013年度国家社会科学基金项目(13BG068)

摘　　要：在军事目标伪装仿真技术的研究中,为了实现目标伪装仿真效果评价的客观性和科学性,提出仿真人眼观察伪装场景时对伪装目标进行检测的过程,构建了检测伪装目标的视觉注意机制模型,计算出了视觉注意焦点及转移过程;然后,利用目标的伪装仿真区域构建了特征相似度模型,量化了伪装仿真目标与背景的融合程度;最后,结合BP神经网络建立了视觉焦点转移特性、伪装目标特征相似度与目标发现概率的对应关系模型。实际应用结果表明,该方法实现了目标在整个伪装场景中的自动提取和目标发现概率的准确度量,具有易操作、重复性高和便于实现等优点。In order to evaluate effectiveness of target simulated camouflage objectively and scientifically, by simu- lating the process of human eye discovering camouflaged military target, a model of human visual attention mechanism was established to calculate the locations and shifts of the attention focus. Based on the region of camouflaged target, the model of similarity degree was established to quantitatively evaluate the degree of amalgamation of target and sur- rounding back ground; the relation among the shift of the focus of attention （FOA）, the target characteristic similarity degree and target detection probability were obtained using a BP neural network. Applications show that this method can locate target automatically and measure target detection probability precisely in the camouflage scene, and has the advantages such as high determinability y and operability.

关 键 词：视觉注意机制 视觉注意焦点 特征相似度 伪装仿真 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]