Z
Zhiru Shi
Researcher at ShanghaiTech University
Publications - 24
Citations - 389
Zhiru Shi is an academic researcher from ShanghaiTech University. The author has contributed to research in topics: Quarter-pixel motion & Motion estimation. The author has an hindex of 8, co-authored 24 publications receiving 288 citations. Previous affiliations of Zhiru Shi include Shanghai Jiao Tong University & University of Surrey.
Papers
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Proceedings ArticleDOI
Gaze Prediction in Dynamic 360° Immersive Videos
TL;DR: This paper presents the large-scale eye-tracking in dynamic VR scene dataset, and proposes to compute saliency maps at different spatial scales: the sub-image patch centered at current gaze point, theSub-image corresponding to the Field of View (FoV), and the panorama image.
Journal ArticleDOI
Neyman-Pearson-Based Early Mode Decision for HEVC Encoding
TL;DR: A fast and efficient mode decision algorithm based on the Neyman-Pearson rule, which consists of early SKIP mode decision and fast CU size decision is proposed, which can save 65% and 58% computational complexity on average.
Proceedings ArticleDOI
Fast HEVC intra mode decision based on logistic regression classification
TL;DR: A logistic regression classifier is introduced to early terminate CU splitting decision process, which is formulated as a binary classification problem, and efficient and computationally-friendly features are extracted based on an F-score approach for different QPs and CU depth levels.
Journal ArticleDOI
Adaptive direction search algorithms based on motion correlation for block motion estimation
TL;DR: Experimental results indicate that the proposed algorithm offers considerable improvement in computing time and motion search points at the same rate-distortion performance, compared to the conventional fast motion estimation algorithm.
Proceedings ArticleDOI
A motion estimation algorithm based on Predictive Intensive Direction Search for H.264/AVC
TL;DR: A novel Predictive Intensive Direction Searching (PIDS) algorithm is proposed to reduce the computational load of H.264/AVC video codec and achieves a reduction of 15% motion estimation time, while incurring only 0.5% increment on the bite rate.