基于应用的可见光遥感图像质量评价方法研究

Study on Quality Evaluation Method of Optical Remote Sensing Image Based on Application

遥感应用需求的增加和应用水平的提高,对遥感图像质量提出越来越高的要求。为提高图像质量,一方面不断改进成像系统,另一方面也研究开发出各种图像处理方法,其中如何评价图像处理前后图像质量的变化是处理算法开发的重要环节。从应用的角度,通过对比评价图像处理前后的质量,初步研究提出了基于图像应用的主、客观评价方法,以找出算法处理的薄弱环节,为算法的优化提供支持。

The increase of the application demand and use level of the remote sensing,gives higher requirements on image quality. To improve image quality,on one hand,the imaging system is continuously improved; on the other hand,all sorts of image processing methods have been developed. How to evaluate the image quality after processing is a key step in the algorithm development. The paper gives the subjective evaluation method and objective evaluation method based on image applications,which assess the image quality changes between the unprocessed image and the processed image from the view point of application,to help find the defect of the image processing algorithm and support the optimization of the algorithm.