Hierarchical Sliding Slice Regression for Vehicle Viewing Angle Estimation

Dan Yang, Y Qian, Ke Chen, Eleni Berki, Joni Kämäräinen

    Research output: Contribution to journalArticleScientificpeer-review

    3 Citations (Scopus)


    We propose a novel hierarchical sliding slice regression which in a coarse-to-fine manner represents global circular target space with a number of ordinally localized and overlapping subspaces. Our method is particularly suitable for visual regression problems where the regression target is circular (e.g., car viewing angle) and visual similarity inconsistent over the target space (e.g., repetitive appearance). A good application example is the camera-based car viewing angle estimation problem, where visual similarity of different views is highly inconsistent-front and back views and left and right side views are pair-wise similar, but appear at the far ends of the circular view angle space. In practice, the problem is even more complicated due to large visual variation of objects (e.g., different car models). We perform extensive experiments on the Lausanne Federal of Institute of Technology Multi-view Car and KITTI Data Sets as well as the Technische Universitat Darmstadt Multi-view Pedestrians Data Set and achieve superior performance as compared to the state-of-the-art algorithms.
    Original languageEnglish
    Pages (from-to)1-8
    Number of pages8
    JournalIEEE Transactions on Intelligent Transportation Systems
    Issue number6
    Publication statusPublished - 2017
    Publication typeA1 Journal article-refereed

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