1. Articles from Yong-Hong He

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    1. Synchronous fingerprint acquisition system based on total internal reflection and optical coherence tomography

      Synchronous fingerprint acquisition system based on total internal reflection and optical coherence tomography

      he research of external fingerprint collected by total internal reflection (TIR) has been carried out for decades and research of internal fingerprint of optical coherence tomography (OCT) has just begun. The internal fingerprint can be hardly affected by the finger surface status, due to its strong anti-interference and anti-spoofing ability, which can serve as a powerful supplement to external fingerprint. However, matching fingerprints acquired by different ways can lead to a drop in fingerprint recognition accuracy owing to the differences in fingerprint quality, distortions and detection areas. Whether the internal fingerprint can be used to replace the external fingerprint for ...

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    2. An optical coherence tomography (OCT)-based air jet indentation system for measuring the mechanical properties of soft tissues

      Abstract. A novel noncontact indentation system with the combination of an air jet and optical coherence tomography (OCT) was presented in this paper for the quantitative measurement of the mechanical properties of soft tissues. The key idea of this method is to use a pressure-controlled air jet as an indenter to compress the soft tissue in a noncontact way and utilize the OCT signals to extract the deformation induced. This indentation system provides measurement and mapping of tissue elasticity for small specimens with high scanning speed. Experiments were performed on 27 silicone tissue-mimicking phantoms with different Young's moduli, which ...
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    1-2 of 2
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  2. Topics in the News

    1. (1 articles) Hong Kong Polytechnic University
    2. (1 articles) Zhejiang University
    3. (1 articles) Tsinghua University
    4. (1 articles) UC Irvine
    5. (1 articles) Zhongping Chen
    6. (1 articles) Yonghong He
    7. (1 articles) New York Eye and Ear Infirmary
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