基于图像评价的周视成像参数优化设计
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Optimization of panoramic imaging system′s parameters based on image quality evaluation
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    摘要:

    利用相机与场景的相对运动可以实现可见光周视成像,针对图像最优化和实时性问题,提出了一种基于图像综合评价的系统参数最优设计方法。首先根据转台运动速度,分析可见光相机的参数范围;然后根据系统应用场景的特点选择不同的评价函数对单帧图像进行综合评价,根据评价结果选择最优的系统参数,进而获得最好的成像质量。实验结果显示,该方法是有效可行的,得到的图像细节清晰,色彩丰富;而且系统能够改变全景图像的刷新速率,实时显示周视图像;同时该方法能够适应不同的应用场景,易于工程应用。

    Abstract:

    Utilizing the relative motion of the camera and the scene,the visible panoramic imaging can be realized.Considering the image quality and the imaging speed,an optimal design of the system parameters is proposed in this paper based on the comprehensive evaluation of the visible image.Firstly,the range of visible camera′s parameters is analyzed according to the rotating velocity of the platform.Then different evaluation functions are selected based on the characteristics of the scenarios,and a comprehensive evaluation of the single image is used.Finally,the optimal system parameters are decided by the evaluation results to get the best quality image and fastest imaging speed.Experiment results show that the method is feasible and effective,and the details of the images obtained by the proposed method are clear and colorful.Using this method,the panoramic images can be displayed in real time,and the system′s update rate can be adjusted based on the requirements.This method can be applied in various practical applications.

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宋亚,邢刚,蔡荣.基于图像评价的周视成像参数优化设计[J].激光与红外,2013,43(1):62~65
SONG Ya, XING Gang, CAI Rong. Optimization of panoramic imaging system′s parameters based on image quality evaluation[J]. LASER & INFRARED,2013,43(1):62~65

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