| 唐建凤,罗晓琳.基于光斑与图像特征的激光干扰效果评价方法[J].光电子激光,2016,27(11):1220~1227 |
| 基于光斑与图像特征的激光干扰效果评价方法 |
| Laser interference effect evaluation method based on laser spot and image featur es |
| 投稿时间：2015-12-24 |
| DOI： |
| 中文关键词: 激光干扰效果 稀疏表示 图像特征 光斑 |
| 英文关键词:laser interference effect sparse representation image feature laser spot |
| 基金项目: |
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| 摘要点击次数: 692 |
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| 中文摘要: |
| 提出了一种基于光斑与图像特征的激光干扰效果评 估方法。用激光光斑中心相对于目标中心的距离反 映光斑的分布特征变化；用图像稀疏表示特征矩阵的变化情况来反映干扰前后图像的全局特 征变化；用图像边缘清 晰度的变化情况反映干扰前后图像的局部特征变化；综合干扰前后图像中的光斑与图像特 征的变化来评估激光干 扰效果。激光干扰实验结果表明,与传统的评估方法均方误差(MSE)和图像结 构相似度(SSIM)相比,提出的基于光斑与图像特征的评估方法对 不同激光功率、不同照射位置和不同背景强度下的干扰图像都给出了合理的评估结果,能够 克服背景强度不一致和 光斑位置变化对评估结果的影响,实现了对激光干扰效果客观、准确的评价。 |
| 英文摘要: |
| A laser interference effect evaluation method based on laser spot and image features is proposed.It reflects the changes of the laser spot distribution cha racteristics using the distance between the center of the laser spot and the center of the target.It reflects the changes of the global image features using the changes in the sparse representation characteristic matrix.And it ref lects the changes of the local image features using the changes in the edge sharpness of the image.Then the laser interferenc e effect can be evaluated according to the changes of the laser spot and image features before an d after laser interference.In terms of the laser interference experiment results,the proposed method shows good feasibility and rationality under the disturbing conditions with different disturbing powers,different laser-spot positions and different backg round intensities compared with the classical image quality assessment methods of mean square e rror (MSE) and structural similarity (SSIM).The proposed evaluation method can overcome the inaccuracy cause d by the inconsistency of the background intensity and the change of the laser-spot positions,and realize the evaluation of the laser interference effect objectively and accurately. |
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