1 code implementation • ICCV 2021 • Yaroslava Lochman, Kostiantyn Liepieshov, Jianhui Chen, Michal Perdoch, Christopher Zach, James Pritts
A lot of the difficulties of general camera calibration lie in the use of a forward projection model.
1 code implementation • 17 Jan 2020 • Lei Chen, Jianhui Chen, Hossein Hajimirsadeghi, Greg Mori
Then, we develop an efficient weight-transfer method to explain decisions for any image without back-propagation.
1 code implementation • 20 Jul 2019 • Jikai Lu, Jianhui Chen, James J. Little
Rays overcome the missing depth in pure-rotation cameras.
3 code implementations • 25 Oct 2018 • Jianhui Chen, James J. Little
Here we propose a highly automatic method for calibrating sports cameras from a single image using synthetic data.
no code implementations • 8 Sep 2018 • Jianhui Chen, Keyu Lu, Sijia Tian, James J. Little
This work addresses camera selection, the task of predicting which camera should be "on air" from multiple candidate cameras for soccer broadcast.
1 code implementation • 26 Jan 2018 • Jianhui Chen, Fangrui Zhu, James J. Little
We also propose a fast random forest method to predict pan-tilt angles without image-to-image feature matching, leading to an efficient calibration method for new images.
1 code implementation • 22 Oct 2017 • Lili Meng, Jianhui Chen, Frederick Tung, James J. Little, Julien Valentin, Clarence W. de Silva
Camera relocalization plays a vital role in many robotics and computer vision tasks, such as global localization, recovery from tracking failure, and loop closure detection.
no code implementations • 29 Sep 2017 • Keyu Lu, Jianhui Chen, James J. Little, Hangen He
Vision based player detection is important in sports applications.
no code implementations • CVPR 2016 • Jianhui Chen, Hoang M. Le, Peter Carr, Yisong Yue, James J. Little
We study the problem of online prediction for realtime camera planning, where the goal is to predict smooth trajectories that correctly track and frame objects of interest (e. g., players in a basketball game).
1 code implementation • 4 Jul 2015 • Makoto Yamada, Wenzhao Lian, Amit Goyal, Jianhui Chen, Kishan Wimalawarne, Suleiman A. Khan, Samuel Kaski, Hiroshi Mamitsuka, Yi Chang
We propose the convex factorization machine (CFM), which is a convex variant of the widely used Factorization Machines (FMs).
no code implementations • 19 Apr 2013 • Jianhui Chen, Tianbao Yang, Qihang Lin, Lijun Zhang, Yi Chang
We consider stochastic strongly convex optimization with a complex inequality constraint.
no code implementations • NeurIPS 2011 • Jiayu Zhou, Jianhui Chen, Jieping Ye
We further establish the equivalence relationship between the proposed convex relaxation of CMTL and an existing convex relaxation of ASO, and show that the proposed convex CMTL formulation is significantly more efficient especially for high-dimensional data.
no code implementations • NeurIPS 2009 • Liang Sun, Jun Liu, Jianhui Chen, Jieping Ye
MMV is an extension of the single measurement vector (SMV) model employed in standard compressive sensing (CS).