基于图像显著性的多角度光学伪装效果评估方法
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哈尔滨工程大学青岛创新发展基地

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航天科技创新发展(ZY0110020009)


Multi-angle Optical Camouflage Effect Evaluation Method based on Image Saliency
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Qingdao Innovation Development Base, Harbin Engineering University

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Innovative development of space science and technology(ZY0110020009)

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    摘要:

    传统的光学伪装效果评估多采取人工判读法进行,较难客观反映伪装目标在特定背景下的伪装效果,且目前伪装评估方法大多基于单一视角图像进行,容易忽略某些特定角度下的不良伪装。针对上述问题,本文提出了一种基于图像显著性的多角度光学伪装评估方法。首先提取图像的亮度、颜色及频率特征得到各特征显著性图,随后利用熵权法计算各显著性图的权重,整合得到多特征融合显著性图,通过分析目标区域在多特征融合显著性图中的表现,计算出各个角度的显著性系数,进而综合评估该伪装场景的伪装效果。通过使用两种典型背景下采集的光学图像进行实验验证,证明本文方法的正确性和有效性,并且本文方法可以根据特定角度评估结果优化伪装方案。

    Abstract:

    The traditional optical camouflage effect assessment is mostly carried out by manual interpretation method, which is difficult to objectively reflect the camouflage effect of camouflage targets in a specific background, and most of the current camouflage assessment methods are based on a single perspective image, which is easy to ignore the bad camouflage under some specific angles. To address the above problems, this paper proposes a multi-angle optical camouflage assessment method based on image saliency. Firstly, the brightness, color and frequency features of the image are extracted to obtain the saliency map of each feature, and then the entropy weight method is used to calculate the weight of each saliency map and integrate to obtain the multi-feature fusion saliency map, and the saliency coefficients of each angle are calculated by analyzing the performance of the target area in the multi-feature fusion saliency map to comprehensively assess the camouflage effect of the camouflage scene. The experimental verification using optical images collected under two typical backgrounds proves the correctness and effectiveness of this paper"s method, and this paper"s method can optimize the camouflage scheme according to the evaluation results of specific angles.

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  • 收稿日期:2024-07-01
  • 最后修改日期:2024-07-03
  • 录用日期:2024-07-08
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