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  1. No Access

    Article

    Enhancing UAV tracking: a focus on discriminative representations using contrastive instances

    Addressing the core challenges of achieving both high efficiency and precision in UAV tracking is crucial due to limitations in computing resources, battery capacity, and maximum load capacity on UAVs. Discrim...

    Xucheng Wang, Dan Zeng, Yongxin Li, Mingliang Zou in Journal of Real-Time Image Processing (2024)

  2. No Access

    Article

    Fisher pruning for develo** real-time UAV trackers

    Unmanned aerial vehicle (UAV)-based tracking has shown large potential in various domains such as transportation, logistics, public safety, and more. However, deploying deep learning (DL)-based tracking algori...

    Pengzhi Zhong, Wanying Wu, **aowei Dai, Qijun Zhao in Journal of Real-Time Image Processing (2023)

  3. Chapter and Conference Paper

    Seepage Analysis of Drainage Decompression in Slo** Basement

    The accidents of bottom floor cracking occur on underground structure due to uplift pressure. Especially in the southern rainy area, super large buildings on slope with high underground water level are in a co...

    Shuijiang Li, Quanbin Wan, Haorong Yan in Proceedings of the 9th International Confe… (2023)

  4. No Access

    Chapter and Conference Paper

    Tracking Small and Fast Moving Objects: A Benchmark

    With more and more large-scale datasets available for training, visual tracking has made great progress in recent years. However, current research in the field mainly focuses on tracking generic objects. In th...

    Zhewen Zhang, Fuliang Wu, Yuming Qiu, **gdong Liang in Computer Vision – ACCV 2022 (2023)

  5. No Access

    Chapter and Conference Paper

    Detection Beyond What and Where: A Benchmark for Detecting Occlusion State

    Object detection is a computer vision technique that provides the most fundamental information for computer vision applications: “What objects are where?”, which has achieved significant progress thanks to the...

    Liwei Qin, Hui Zhou, Zhongtian Wang, Jiaqi Deng in Pattern Recognition and Computer Vision (2022)

  6. No Access

    Chapter and Conference Paper

    Low-Quality 3D Face Recognition with Soft Thresholding

    3D face recognition has developed rapidly in the past decade for its robustness to large variations of illumination and pose. Plenty of researches in the past have been done based on high-quality 3D faces, whi...

    Shudi **ao, Shuiwang Li, Qijun Zhao in Biometric Recognition (2021)

  7. No Access

    Chapter and Conference Paper

    A Survey of Emergency Self-Running Power Supply Schemes for Rail Transit Vehicles

    When the power supply fails, the rail transit vehicles stay in place and wait for rescue, which not only has great hidden danger, but also affects the efficiency of train operation. In order to solve this prob...

    Yutong Zhu, Tengfei Qiu, Jiamin Gao in The Proceedings of the 9th Frontier Academ… (2021)

  8. No Access

    Chapter and Conference Paper

    Learning Disentangled Representation for Fine-Grained Visual Categorization

    Fine-grained visual categorization (FGVC) that aims to recognize objects from subcategories with very subtle differences remains a challenging task due to the large intra-class and small inter-class variation ...

    Wenjie Dang, Shuiwang Li, Qijun Zhao, Fang Liu in Image and Graphics (2021)

  9. No Access

    Chapter and Conference Paper

    Equivalence of Correlation Filter and Convolution Filter in Visual Tracking

    (Discriminative) Correlation Filter has been successfully applied to visual tracking and has advanced the field significantly in recent years. Correlation filter-based trackers consider visual tracking as a pr...

    Shuiwang Li, Qijun Zhao, Ziliang Feng, Li Lu in Image and Graphics (2021)

  10. No Access

    Chapter and Conference Paper

    The 1st Tiny Object Detection Challenge: Methods and Results

    The 1st Tiny Object Detection (TOD) Challenge aims to encourage research in develo** novel and accurate methods for tiny object detection in images which have wide views, with a current focus on tiny person ...

    Xuehui Yu, Zhenjun Han, Yuqi Gong, Nan Jan in Computer Vision – ECCV 2020 Workshops (2020)

  11. Article

    Open Access

    Evolution of the dense packings of spherotetrahedral particles: from ideal tetrahedra to spheres

    Particle shape plays a crucial role in determining packing characteristics. Real particles in nature usually have rounded corners. In this work, we systematically investigate the rounded corner effect on the d...

    Weiwei **, Peng Lu, Shuixiang Li in Scientific Reports (2015)

  12. No Access

    Article

    A computational investigation on random packings of sphere-spherocylinder mixtures

    Random packings of binary mixtures of spheres and spherocylinders with the same volume and the same diameter were simulated by a sphere assembly model and relaxation algorithm. Simulation results show that, in...

    Peng Lu, Shui**ang Li, Jian Zhao in Science China Physics, Mechanics and Astro… (2010)

  13. No Access

    Article

    Maximum packing densities of basic 3D objects

    Numerical simulation results show that the upper bound order of random packing densities of basic 3D objects is cube (0.78) > ellipsoid (0.74) > cylinder (0.72) > spherocylinder (0.69) > tetrahedron (0.68) > c...

    Shui**ang Li, Jian Zhao, Peng Lu, Yu **e in Chinese Science Bulletin (2010)

  14. No Access

    Article

    A fast and practical method to pack spheres for mesh generation

    Sphere packing is an attractive way to generate high quality mesh. Several algorithms have been proposed in this topic, however these algorithms are not sufficiently fast for large scale problems. The paper pr...

    Jianfei Liu, Shuixiang Li, Yongqiang Chen in Acta Mechanica Sinica (2008)