Noisy image enhancement on smooth function spaces

Abstract

We introduce a novel method for restoring noisy images that requires no noisy model. The proposed method is inspired by a wavelet-based switching smoothness description of Hölder function spaces. Specifically, we lower the smoothness of the blurred image locally or globally to obtain an enhanced image. Despite the simplicity of our method, significant improvement is reported in the experiment results in terms of image fidelity measure and visual effect.

Keywords:

• image enhancement
• wavelets
• Hölder function spaces

2000 AMS Subject Classification :

• 42C40
• 46E35

CCS Category :

• I.4.3

Acknowledgements

The author is partially supported by the National Science Council of R. O. C. Taiwan. (NSC 92-2115-M-019-002).

Additional information

Notes on contributors

Mong-Shu Lee

Email: [email protected]