：超分辨率(sR)重建技术是利用一幅或多幅低分辨率(LR)图像的信息重建出一幅高分辨率(HR)图像，同时能够

消除由成像器件引入的模糊、噪声。该技术应用领域广泛，已经成为国内外图像处理领域的研究热点之一。介绍了超分

辨率重建技术的基本原理，并分别以单帧和多帧、频域和空域为分类依据，分别阐述了超分辨率重建技术的经典方法，系

统地总结了各种方法的优缺点，提出了超分辨率重建技术可能的研究方向，从而为超分辨率重建相关技术的进一步研究

提供一定的理论基础-Abstract：Super—resolution image reconstruction technique produces a high—resolution image from seve~ low—resolution images，call al—

SO eliminate additive noise and the distinction Which has been come from limited detector of size and optical components．Therefore．it

has been a lot topic in the field of image processing．Introduces the basic principle of super—resolution reconstruction tec hnique，and classifies

the classical method based on single frame and multi frame．the frequency domain and airspace．Systematically summarizes the ad—

van tages an d disadvan tages of various methods and provide theoretical basis for the supe r—resolution reconstruction technique of further

research，and puts forward the research direction of super-resolution reconstruction technique