Browsing by Author "Zhu, Zhen"
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Development of a Heart Motion Tracking System using Non-invasive Imaging Data
Tucker, Bryent (East Carolina University, 2017-07-18)Cardiac motion can be monitored non-invasively for the assessment of cardiovascular function by using medical imaging systems and motion tracking algorithms. Existing tracking approaches require a priori understanding of ... -
Enhancing GNSS RTK Solutions with Random Sample Consensus
Krebs, Angela (East Carolina University, 2022-07-12)Precise positioning with Global Navigation Satellite Systems (GNSS) can be achieved by using the real-time kinematic (RTK) solution. A GNSS RTK solution was improved using an innovative approach based on Random Sample ... -
Enhancing GNSS RTK Solutions with Random Sample Consensus
Krebs, Angela (East Carolina University, 2022-07-12)Precise positioning with Global Navigation Satellite Systems (GNSS) can be achieved by using the real-time kinematic (RTK) solution. A GNSS RTK solution was improved using an innovative approach based on Random Sample ... -
An Error Prediction Model for Construction Bulk Measurements Using a Customized Low-Cost UAS-LIDAR System
Guan, Shanyue; Huang, Yilei; Wang, George; Sirianni, Hannah; Zhu, Zhen (2022-07-19) -
Evaluating the Ability of Multi-Sensor Techniques to Capture Topographic Complexity
Cooper, Hannah; Wasklewicz, Thad; LeCompte, Karley; Heffentrager, Madison; Smaby, Rachel; Brady, Julian; Howard, Robert; Zhu, Zhen; Lewis, William (2021-03-17) -
LOW-COST PHOTOGRAMMETRY SYSTEM FOR GEOREFERENCED STRUCTURE FROM MOTION
Hill, Nicholas (East Carolina University, 2022-07-21)Photogrammetry has become increasingly available as a tool for re-constructing the 3D model of real-world objects and terrain, which is referred to as the structure from motion (SFM) solution. The re-constructed model has ... -
LOW-COST PHOTOGRAMMETRY SYSTEM FOR GEOREFERENCED STRUCTURE FROM MOTION
Hill, Nicholas Benjamin (East Carolina University, 2022-07-21)Photogrammetry has become increasingly available as a tool for re-constructing the 3D model of real-world objects and terrain, which is referred to as the structure from motion (SFM) solution. The re-constructed model has ... -
Machine Learning Assisted Non-Rigid Surface Tracking in Biological Systems
Hempstead, William Henry (East Carolina University, 8/5/2020)Occlusions, obstructions, and lighting changes that occur in a camera's field-of-view (FOV) during a medical procedure can cause tracking algorithms to lose track of a particular region-of-interest (ROI). Various approaches ... -
Risk Considerations in the Use of Unmanned Aerial Vehicles in the Construction Industry
Wang, George; Hollar, Donna; Sayger, Susan; Zhu, Zhen; Buckeridge, John S.; Li, Jie; Chong, Jimmy; Duffield, Colin; Ryu, Dongryeol; Hu, Wei (2016-12)The use of unmanned aerial vehicles (UAVs) in the construction industry is swiftly growing worldwide. UAVs are changing the way construction companies do business. Contractors are increasingly using camera-mounted UAVs ... -
Sensitivity to Pulse Phase Duration as a Marker of Neural Health Across Cochlear Implant Recipients and Electrodes
Zhou, Ning; Dong, Lixue; Zhu, Zhen; Galvin, John, III (2021-02-08) -
Simulating and quantifying legacy topographic data uncertainty: an initial step to advancing topographic change analyses
Wasklewicz, Thad; Zhu, Zhen; Gares, Paul (2017-10)Rapid technological advances, sustained funding, and a greater recognition of the value of topographic data have helped develop an increasing archive of topographic data sources. Advances in basic and applied research ... -
Using Random Sampling Consensus (RANSAC) to Detect Errors in Global Navigation Satellite Systems (GNSS) Signals and Data
Shah, Nihar (East Carolina University, 2021-12-03)A positioning, navigation, and timing (PNT) signal can be used to estimate a user's position at an identified time. A global navigation satellite system (GNSS) uses the PNT signal to provide satellite-based navigation. ...