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  1. No Access

    Article

    Context and saliency aware correlation filter for visual tracking

    Visual tracking in complex scenarios is a big challenge in the computer vision community. Due to correlation filter (CF) recently have achieved excellent results both on accuracy and robustness in visual track...

    Fasheng Wang, Shuangshuang Yin, Jimmy T. Mbelwa… in Multimedia Tools and Applications (2022)

  2. No Access

    Article

    Visual tracking tracker via object proposals and co-trained kernelized correlation filters

    Visual tracking is a challenging task in the field of computer vision with wide applications in intelligent and surveillance systems. Recently, correlation trackers have shown great achievement in visual track...

    Jimmy T. Mbelwa, Qingjie Zhao, Fasheng Wang in The Visual Computer (2020)

  3. No Access

    Article

    Weighted two-step aggregated VLAD for image retrieval

    The vector of locally aggregated descriptor (VLAD) has been demonstrated to be efficient and effective in image retrieval and classification tasks. Due to the small-size codebook adopted by the method, the fea...

    Hao Liu, Qingjie Zhao, Jimmy T. Mbelwa, Song Tang, Jianwei Zhang in The Visual Computer (2019)

  4. No Access

    Article

    Boosting VLAD with weighted fusion of local descriptors for image retrieval

    In the last decade, many efforts have been developed for discriminative image representations. Among these works, vector of locally aggregated descriptors (VLAD) has been demonstrated to be an effective one. H...

    Hao Liu, Qingjie Zhao, Cong Zhang, Jimmy T. Mbelwa… in Multimedia Tools and Applications (2019)

  5. No Access

    Article

    Objectness-based smoothing stochastic sampling and coherence approximate nearest neighbor for visual tracking

    In visual tracking, most of the tracking methods suffer from abrupt motions. To address this problem, we propose a novel method for tracking abrupt motions using objectness embedded in smoothing stochastic sam...

    Jimmy T. Mbelwa, Qingjie Zhao, Yao Lu, Hao Liu, Fasheng Wang… in The Visual Computer (2019)

  6. No Access

    Chapter and Conference Paper

    Acceptability and Use of Mobile Health Applications in Health Information Systems: A Case of eIDSR and DHIS2 Touch Mobile Applications in Tanzania

    The use of modern information and communication technology plays a significant role in healthcare services improvement. In the recent years, various mobile application systems have been deployed in the health ...

    Jimmy T. Mbelwa, Honest C. Kimaro… in Information and Communication Technologies… (2019)