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  1. No Access

    Article

    Further results on the margin explanation of boosting: new algorithm and experiments

    Understanding the empirical success of boosting algorithms is an important theoretical problem in machine learning. One of the most influential works is the margin theory, which provides a series of upper boun...

    LiWei Wang, **aoCheng Deng, Zhao**ang **g, JuFu Feng in Science China Information Sciences (2012)

  2. No Access

    Article

    Downsampling sparse representation and discriminant information aided occluded face recognition

    In this paper, a strategy is proposed to deal with a challenging research topic, occluded face recognition. Our approach relies on sparse representation on downsampled input image to first locate unoccluded fa...

    YueLong Li, Li Meng, JuFu Feng, JiGang Wu in Science China Information Sciences (2014)

  3. No Access

    Article

    High-resolution palmprint minutiae extraction based on Gabor feature

    Extracting effective minutiae is difficult for high-resolution palmprint, because of the strong influence from principal lines, creases, and other noises. In this paper, a novel minutiae detection and reliabil...

    JuFu Feng, Chong** Liu, Han Wang, Bing Sun in Science China Information Sciences (2014)

  4. No Access

    Article

    Collaborative representation Bayesian face recognition

    **年来, 基于协同表示的人脸识别方法取得了诸多进展。然而, 在训练集字典欠完备的小样本情况下, 基于协同表示的分类方法的结果并不理想。这很大程度上, 是由于该方法使用了欧式距离残差判据。传统的欧式距离残差判据在小样本情况下, 并不能有效地区分类内残差和类间残差。针对这一问题, 我们引入了贝叶斯残差模型来更好地区分类内残差, 并将协同表示机制与贝叶斯残差模型结合, 提出了协同表示贝叶斯人脸识别方法。实验证明, 我们提...

    Jufu Feng, **ao Ma, Wen**g Zhuang in Science China Information Sciences (2016)

  5. No Access

    Article

    Robust sparse representation based face recognition in an adaptive weighted spatial pyramid structure

    The sparse representation based classification methods has achieved significant performance in recent years. To fully exploit both the holistic and locality information of face samples, a series of sparse repr...

    **ao Ma, Fandong Zhang, Yuelong Li, Jufu Feng in Science China Information Sciences (2017)

  6. No Access

    Article

    Learning discriminative and invariant representation for fingerprint retrieval

    Dehua Song, Ruilin Li, Fandong Zhang, Jufu Feng in Science China Information Sciences (2018)

  7. No Access

    Article

    FClassNet: a fingerprint classification network integrated with the domain knowledge

    Yao Tang, Ruilin Li, Yuhang Liu, Jufu Feng in Science China Information Sciences (2019)