Adaptive regularized image interpolation using data fusion and steerable constraints

Jeong-Ho Shin; Joon-Ki Paik; Jeffery R. Price; Mongi A. Abidi

doi:10.1117/12.411861

29 December 2000 Adaptive regularized image interpolation using data fusion and steerable constraints

Jeong-Ho Shin, Joon-Ki Paik, Jeffery R. Price, Mongi A. Abidi

Proceedings Volume 4310, Visual Communications and Image Processing 2001; (2000) https://doi.org/10.1117/12.411861
Event: Photonics West 2001 - Electronic Imaging, 2001, San Jose, CA, United States

Abstract

This paper presents an adaptive regularized image interpolation algorithm from blurred and noisy low resolution image sequence, which is developed in a general framework based on data fusion. This framework can preserve the high frequency components along the edge orientation in a restored high resolution image frame. This multiframe image interpolation algorithm is composed of two levels of fusion algorithm. One is to obtain enhanced low resolution images as an input data of the adaptive regularized image interpolation based on data fusion. The other one is to construct the adaptive fusion algorithm based on regularized image interpolation using steerable orientation analysis. In order to apply the regularization approach to the interpolation procedure, we first present an observation model of low resolution video formation system. Based on the observation model, we can have an interpolated image which minimizes both residual between the high resolution and the interpolated images with a prior constraints. In addition, by combining spatially adaptive constraints, directional high frequency components are preserved with efficiently suppressed noise. In the experimental results, interpolated images using the conventional algorithms are shown to compare the conventional algorithms with the proposed adaptive fusion based algorithm. Experimental results show that the proposed algorithm has the advantage of preserving directional high frequency components and suppressing undesirable artifacts such as noise.

Citation Download Citation

Jeong-Ho Shin, Joon-Ki Paik, Jeffery R. Price, and Mongi A. Abidi "Adaptive regularized image interpolation using data fusion and steerable constraints", Proc. SPIE 4310, Visual Communications and Image Processing 2001, (29 December 2000); https://doi.org/10.1117/12.411861

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