activity
20162024
most citedKeyframe-based monocular SLAM: design, survey, and future directions

156 citations · 304 across the 25 of their papers we have counts for

collaborators

28 papers

cs.RO2024

Complete Autonomous Robotic Nasopharyngeal Swab System with Evaluation on a Stochastically Moving Phantom Head

Peter Q. Lee, John S. Zelek, Katja Mombaur

The application of autonomous robotics to close-contact healthcare tasks has a clear role for the future due to its potential to reduce infection risks to staff and improve clinica…

cs.RO2024★ 2 cited

Robotic Eye-in-hand Visual Servo Axially Aligning Nasopharyngeal Swabs with the Nasal Cavity

Peter Q. Lee, John S. Zelek, Katja Mombaur

The nasopharyngeal (NP) swab test is a method for collecting cultures to diagnose for different types of respiratory illnesses, including COVID-19. Delegating this task to robots w…

cs.RO2024

Collaborative Robot Arm Inserting Nasopharyngeal Swabs with Admittance Control

Peter Q. Lee, John S. Zelek, Katja Mombaur

The nasopharyngeal (NP) swab sample test, commonly used to detect COVID-19 and other respiratory illnesses, involves moving a swab through the nasal cavity to collect samples from…

cs.CV2024★ 1 cited

POPCat: Propagation of particles for complex annotation tasks

Adam Srebrnjak Yang, Dheeraj Khanna, John S. Zelek

Novel dataset creation for all multi-object tracking, crowd-counting, and industrial-based videos is arduous and time-consuming when faced with a unique class that densely populate…

cs.CV2023

Jersey Number Recognition using Keyframe Identification from Low-Resolution Broadcast Videos

Bavesh Balaji, Jerrin Bright, Harish Prakash +3

Player identification is a crucial component in vision-driven soccer analytics, enabling various downstream tasks such as player assessment, in-game analysis, and broadcast product…

cs.RO2023

H-SLAM: Hybrid Direct-Indirect Visual SLAM

Georges Younes, Douaa Khalil, John Zelek +1

The recent success of hybrid methods in monocular odometry has led to many attempts to generalize the performance gains to hybrid monocular SLAM. However, most attempts fall short…

cs.CV2022

Evaluating deep tracking models for player tracking in broadcast ice hockey video

Kanav Vats, Mehrnaz Fani, David A. Clausi +1

Tracking and identifying players is an important problem in computer vision based ice hockey analytics. Player tracking is a challenging problem since the motion of players in hock…

cs.CV2022★ 3 cited

Text Detection & Recognition in the Wild for Robot Localization

Zobeir Raisi, John Zelek

Signage is everywhere and a robot should be able to take advantage of signs to help it localize (including Visual Place Recognition (VPR)) and map. Robust text detection & recognit…

cs.CV2022★ 2 cited

Arbitrary Shape Text Detection using Transformers

Zobeir Raisi, Georges Younes, John Zelek

Recent text detection frameworks require several handcrafted components such as anchor generation, non-maximum suppression (NMS), or multiple processing stages (e.g. label generati…

cs.LG2022★ 1 cited

Causal Discovery from Sparse Time-Series Data Using Echo State Network

Haonan Chen, Bo Yuan Chang, Mohamed A. Naiel +4

Causal discovery between collections of time-series data can help diagnose causes of symptoms and hopefully prevent faults before they occur. However, reliable causal discovery can…

cs.CV2021★ 4 cited

Player Tracking and Identification in Ice Hockey

Kanav Vats, Pascale Walters, Mehrnaz Fani +2

Tracking and identifying players is a fundamental step in computer vision-based ice hockey analytics. The data generated by tracking is used in many other downstream tasks, such as…

cs.CV2021★ 2 cited

Ice hockey player identification via transformers and weakly supervised learning

Kanav Vats, William McNally, Pascale Walters +2

Identifying players in video is a foundational step in computer vision-based sports analytics. Obtaining player identities is essential for analyzing the game and is used in downst…

cs.CV2021

Multi-task learning for jersey number recognition in Ice Hockey

Kanav Vats, Mehrnaz Fani, David A. Clausi +1

Identifying players in sports videos by recognizing their jersey numbers is a challenging task in computer vision. We have designed and implemented a multi-task learning network fo…

cs.CV2021

Puck localization and multi-task event recognition in broadcast hockey videos

Kanav Vats, Mehrnaz Fani, David A. Clausi +1

Puck localization is an important problem in ice hockey video analytics useful for analyzing the game, determining play location, and assessing puck possession. The problem is chal…

cs.CV2021★ 6 cited

Localization of Ice-Rink for Broadcast Hockey Videos

Mehrnaz Fani, Pascale Berunelle Walters, David A. Clausi +2

In this work, an automatic and simple framework for hockey ice-rink localization from broadcast videos is introduced. First, video is broken into video-shots by a hierarchical part…

cs.CV2020★ 26 cited

Text Detection and Recognition in the Wild: A Review

Zobeir Raisi, Mohamed A. Naiel, Paul Fieguth +2

Detection and recognition of text in natural images are two main problems in the field of computer vision that have a wide variety of applications in analysis of sports videos, aut…

cs.CV2020★ 1 cited

Event detection in coarsely annotated sports videos via parallel multi receptive field 1D convolutions

Kanav Vats, Mehrnaz Fani, Pascale Walters +2

In problems such as sports video analytics, it is difficult to obtain accurate frame level annotations and exact event duration because of the lengthy videos and sheer volume of vi…

eess.IV2020★ 26 cited

Semi-supervised Anomaly Detection using AutoEncoders

Manpreet Singh Minhas, John Zelek

Anomaly detection refers to the task of finding unusual instances that stand out from the normal data. In several applications, these outliers or anomalous instances are of greater…

cs.CV2019★ 2 cited

PuckNet: Estimating hockey puck location from broadcast video

Kanav Vats, William McNally, Chris Dulhanty +3

Puck location in ice hockey is essential for hockey analysts for determining the location of play and analyzing game events. However, because of the difficulty involved in obtainin…

cs.LG2019★ 2 cited

AnoNet: Weakly Supervised Anomaly Detection in Textured Surfaces

Manpreet Singh Minhas, John Zelek

Humans can easily detect a defect (anomaly) because it is different or salient when compared to the surface it resides on. Today, manual human visual inspection is still the norm b…

cs.CV2019★ 14 cited

Anomaly Detection in Images

Manpreet Singh Minhas, John Zelek

Visual defect assessment is a form of anomaly detection. This is very relevant in finding faults such as cracks and markings in various surface inspection tasks like pavement and a…

cs.CV2019

KPTransfer: improved performance and faster convergence from keypoint subset-wise domain transfer in human pose estimation

Kanav Vats, Helmut Neher, Alexander Wong +2

In this paper, we present a novel approach called KPTransfer for improving modeling performance for keypoint detection deep neural networks via domain transfer between different ke…

cs.CV2019

A Unified Formulation for Visual Odometry

Georges Younes, Daniel Asmar, John Zelek

Monocular Odometry systems can be broadly categorized as being either Direct, Indirect, or a hybrid of both. While Indirect systems process an alternative image representation to c…

cs.CV2018★ 2 cited

Temporal Hockey Action Recognition via Pose and Optical Flows

Zixi Cai, Helmut Neher, Kanav Vats +2

Recognizing actions in ice hockey using computer vision poses challenges due to bulky equipment and inadequate image quality. A novel two-stream framework has been designed to impr…