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Digital autofocusing method based on contourlet transform

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Abstract

The autofocusing technique based on contourlet transform is discussed in this paper and an autofocusing method is proposed for images with much information in certain directions. The experimental results show that the proposed method can focus accurately and the sensitivity ratio is higher than that of the other autofocusing methods based on conventional image processing

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Author information

Authors and Affiliations

  1. Faculty of Information Science and Engineering, Ningbo University, Ningbo, 315211, China

    Jiang Gang-yi, Yi Wen-juan, Yu Mei & Yang Ming

  2. China Mobile Shenzhen Limited, Shenzhen, 518048, China

    Jiang Gang-yi & Yi Wen-juan

  3. National Key Laboratory of Machine Perception, Peking University, Beijing, 100871, China

    Yu Mei

Authors
  1. Jiang Gang-yi
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  2. Yi Wen-juan
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  3. Yu Mei
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  4. Yang Ming
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Corresponding author

Correspondence to Jiang Gang-yi.

Additional information

This work was supported by the National Natural Science Foundation of China (grant No.60472100, 60672073), Natural Science Foundation of Zhejiang Province (grant RC01057, Y105577), the Key Project of Chinese Ministry of Education (grant No.206059).

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Jiang, Gy., Yi, Wj., Yu, M. et al. Digital autofocusing method based on contourlet transform. Optoelectron. Lett. 3, 381–384 (2007). https://doi.org/10.1007/s11801-007-6165-5

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  • DOI: https://doi.org/10.1007/s11801-007-6165-5

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