21 May 2015 A novel super-resolution camera model
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Abstract
Aiming to realize super resolution(SR) to single image and video reconstruction, a super resolution camera model is proposed for the problem that the resolution of the images obtained by traditional cameras behave comparatively low. To achieve this function we put a certain driving device such as piezoelectric ceramics in the camera. By controlling the driving device, a set of continuous low resolution(LR) images can be obtained and stored instantaneity, which reflect the randomness of the displacements and the real-time performance of the storage very well. The low resolution image sequences have different redundant information and some particular priori information, thus it is possible to restore super resolution image factually and effectively. The sample method is used to derive the reconstruction principle of super resolution, which analyzes the possible improvement degree of the resolution in theory. The super resolution algorithm based on learning is used to reconstruct single image and the variational Bayesian algorithm is simulated to reconstruct the low resolution images with random displacements, which models the unknown high resolution image, motion parameters and unknown model parameters in one hierarchical Bayesian framework. Utilizing sub-pixel registration method, a super resolution image of the scene can be reconstructed. The results of 16 images reconstruction show that this camera model can increase the image resolution to 2 times, obtaining images with higher resolution in currently available hardware levels.
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Xiaopeng Shao, Xiaopeng Shao, Yi Wang, Yi Wang, Jie Xu, Jie Xu, Lin Wang, Lin Wang, Fei Liu, Fei Liu, Qiuhua Luo, Qiuhua Luo, Xiaodong Chen, Xiaodong Chen, Xiangli Bi, Xiangli Bi, } "A novel super-resolution camera model", Proc. SPIE 9501, Satellite Data Compression, Communications, and Processing XI, 950113 (21 May 2015); doi: 10.1117/12.2176732; https://doi.org/10.1117/12.2176732
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