Improving image resolution by adaptive back-projection correction techniques

IEEE Transactions on Consumer Electronics - Tập 48 Số 3 - Trang 409-416 - 2002
G. Messina1, S. Battiato1, M. Mancuso2, A. Buemi1
1Catania Advanced System Technology Laboratory of STMicroelectronics, Catania, Italy
2STMicroelectronics, Agrate, Italy

Tóm tắt

The paper describes a back-projection based algorithm, improved by adaptive techniques, able to reconstruct a high-resolution image from multiple low-resolution frames. The proposed approach is mainly based on a specific metric, the uncertainty degree, used in pixel reconstruction and on a local auto-iterative approach for error correction. Using uncertainty, the amount of computation is sensibly reduced. The auto-iterative technique reduces drastically the number of iterations needed to decrease approximation errors. This method is suitable to be applied when real-time processing is required. Experimental results are presented both in terms of perceived and measured quality.

Từ khóa

#Image resolution #Image reconstruction #Uncertainty #Motion estimation #Iterative methods #Error correction #Image sensors #Costs #Layout #Frequency domain analysis

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