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Vol. 160, Issue 12, December 2013, pp. 229-236

 

Bullet

 

A Super-resolution Reconstruction Method of Remotely Sensed Image Based on Sparse Representation
 
1, 2,* Hui Zhou, 2 Hongmin Gao, 1, 2 Xiaomin Tian

1 College of Computer and software, Nanjing Institute of Industry Technology, Nanjing 210046, China;

2 College of Computer and Information Engineering, Hohai University, Nanjing, 211100, China

* Tel.:18652032949, fax: 025-83592981

* E-mail: huizhou@hhu.edu.cn

 

Received: 9 October 2013   /Accepted: 22 November 2013   /Published: 30 December 2013

Digital Sensors and Sensor Sysstems

 

Abstract: The traditional method of image super-resolution reconstruction uses the sub-pixel displacement information between multi-frame low-resolution images to reconstruct a high-resolution image. Image super-resolution reconstruction is a typical mathematical inverse problem, and it is ill-posed problem [1]. To solve this problem, prior knowledge of data or question should be added. As the latest development achievements of signal priori or modeling, sparse representation of the signal has been studied in depth in the field of image processing. Super-resolution reconstruction based on sparse representation can improve the image quality and get richer image details [8]. Due to the sparse representation of image reconstruction has strong priority, this paper focuses on super-resolution reconstruction of the single frame remotely sensed image based on sparse representation. Compared with other algorithms, it is proved that the super-resolution reconstruction algorithm based on sparse representation has advantages in remotely sensed image reconstruction.

 

Keywords: Super-resolution reconstruction, Sparse representation, Training dictionary.

 

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