no code implementations • 22 May 2024 • Harish Prakash, Jia Cheng Shang, Ken M. Nsiempba, Yuhao Chen, David A. Clausi, John S. Zelek
Multi Object Tracking (MOT) in ice hockey pursues the combined task of localizing and associating players across a given sequence to maintain their identities.
no code implementations • 16 May 2024 • Muhammed Patel, Xinwei Chen, Linlin Xu, Yuhao Chen, K Andrea Scott, David A. Clausi
Fully supervised deep learning approaches have demonstrated impressive accuracy in sea ice classification, but their dependence on high-resolution labels presents a significant challenge due to the difficulty of obtaining such data.
no code implementations • 22 May 2022 • Kanav Vats, Mehrnaz Fani, David A. Clausi, John S. Zelek
Tracking and identifying players is an important problem in computer vision based ice hockey analytics.
1 code implementation • 22 Jan 2022 • Brennan Gebotys, Alexander Wong, David A. Clausi
Natural policy gradient methods are popular reinforcement learning methods that improve the stability of policy gradient methods by utilizing second-order approximations to precondition the gradient with the inverse of the Fisher-information matrix.
no code implementations • 22 Nov 2021 • Kanav Vats, William McNally, Pascale Walters, David A. Clausi, John S. Zelek
Obtaining player identities is essential for analyzing the game and is used in downstream tasks such as game event recognition.
Optical Character Recognition
Optical Character Recognition (OCR)
+3
1 code implementation • 18 Nov 2021 • Brennan Gebotys, Alexander Wong, David A. Clausi
We further compared the performance of M2A with other state-of-the-art motion and attention mechanisms on the Something-Something V1 video action recognition benchmark.
no code implementations • 6 Oct 2021 • Kanav Vats, Pascale Walters, Mehrnaz Fani, David A. Clausi, John Zelek
The player identification model further takes advantage of the available NHL game roster data to obtain a player identification accuracy of 83%.
no code implementations • 17 Aug 2021 • Kanav Vats, Mehrnaz Fani, David A. Clausi, John Zelek
Identifying players in sports videos by recognizing their jersey numbers is a challenging task in computer vision.
no code implementations • 12 Jul 2021 • Peter Q. Lee, Linlin Xu, David A. Clausi
We consider a linear denoising model that re-scales the noise field for each subswath, whose parameters are found from a least-squares solution over the objective function.
no code implementations • 21 May 2021 • Kanav Vats, Mehrnaz Fani, David A. Clausi, John Zelek
In this paper, we introduce and implement a network for puck localization in broadcast hockey video.
no code implementations • 22 Apr 2021 • Mehrnaz Fani, Pascale Berunelle Walters, David A. Clausi, John Zelek, Alexander Wong
To localize the frames on the ice-rink model, a ResNet18-based regressor is implemented and trained, which regresses to four control points on the model in a frame-by-frame fashion.
no code implementations • 13 Apr 2020 • Kanav Vats, Mehrnaz Fani, Pascale Walters, David A. Clausi, John Zelek
Experimental results demonstrate the effectiveness of the network by obtaining a 55% average F1 score on the NHL dataset and by achieving competitive performance compared to the state of the art on the SoccerNet dataset.
Ranked #4 on
Action Spotting
on SoccerNet
no code implementations • 11 Dec 2019 • Kanav Vats, William McNally, Chris Dulhanty, Zhong Qiu Lin, David A. Clausi, John Zelek
The network is able to regress the puck location from broadcast hockey video clips with varying camera angles.
no code implementations • 12 May 2019 • Zilong Zhong, Jonathan Li, David A. Clausi, Alexander Wong
In this paper, we address the hyperspectral image (HSI) classification task with a generative adversarial network and conditional random field (GAN-CRF) -based framework, which integrates a semi-supervised deep learning and a probabilistic graphical model, and make three contributions.
no code implementations • 24 Mar 2019 • Kanav Vats, Helmut Neher, Alexander Wong, David A. Clausi, John Zelek
This approach is motivated by the notion that rich contextual knowledge can be transferred between different keypoint subsets representing separate domains.
no code implementations • 15 Jan 2019 • Vignesh Sankar, Devinder Kumar, David A. Clausi, Graham W. Taylor, Alexander Wong
Conclusion: The SISC radiomic sequencer is able to achieve state-of-the-art results in lung cancer prediction, and also offers prediction interpretability in the form of critical response maps.
no code implementations • 27 Jul 2016 • Robert Amelard, David A. Clausi, Alexander Wong
Here, we developed a continuous probabilistic pulsatility model for importance-weighted blood pulse waveform extraction.
no code implementations • 29 Jun 2016 • Robert Amelard, David A. Clausi, Alexander Wong
Here, we design and implement a signal fusion framework, FusionPPG, for extracting a blood pulse waveform signal with strong temporal fidelity from a scene without requiring anatomical priors (e. g., facial tracking).
no code implementations • 15 Apr 2016 • Robert Amelard, Richard L Hughson, Danielle K Greaves, Kaylen J. Pfisterer, Jason Leung, David A. Clausi, Alexander Wong
Here, we demonstrate for the first time that the JVP can be consistently observed in a non-contact manner using a novel light-based photoplethysmographic imaging system, coded hemodynamic imaging (CHI).
no code implementations • 17 Dec 2015 • Jason Deglint, Farnoud Kazemzadeh, Daniel Cho, David A. Clausi, Alexander Wong
A numerical demultiplexer is then learned via non-linear random forest modeling based on the forward model.
no code implementations • 23 Mar 2015 • Robert Amelard, Christian Scharfenberger, Farnoud Kazemzadeh, Kaylen J. Pfisterer, Bill S. Lin, Alexander Wong, David A. Clausi
The results support the hypothesis that long-distance heart rate monitoring is feasible using transmittance PPGI, allowing for new possibilities of monitoring cardiovascular function in a non-contact manner.
no code implementations • CVPR 2013 • Christian Scharfenberger, Alexander Wong, Khalil Fergani, John S. Zelek, David A. Clausi
A novel statistical textural distinctiveness approach for robustly detecting salient regions in natural images is proposed.
no code implementations • Pattern Recognition 37 2004 • Huawu Deng, David A. Clausi
Using this method, the simple MRF model is able to automatically estimate model parameters and produce accurate unsupervised segmentation results.