Enhanced Resolution for Closely-Spaced Objects From Optical Sensor Using FPA Offset

Z Tian, A Finelli, B Milgrom, K Yang… - … on Aerospace and …, 2022 - ieeexplore.ieee.org
The problem of measurement extraction for two point targets in the focal plane array (FPA) of
an optical sensor has been investigated in (Finelli et al., 2021) and (Lu et al., 2019) …

Measurement extraction for two closely-spaced objects using an imaging sensor

Q Lu, Y Bar-Shalom, P Willett… - … on Aerospace and …, 2019 - ieeexplore.ieee.org
This paper considers measurement extraction for two closely-spaced objects with unknown
equal intensities in an imaging sensor's focal plane array (FPA). Given a screen of FPA data …

A Resolution and Localization Algorithm for Closely-Spaced Objects based on Improved YOLOv5 Joint Fuzzy C-Means Clustering

Y Li, X Chen, P Rao, S Zhang, G Liu - IEEE Photonics Journal, 2024 - ieeexplore.ieee.org
The presence of numerous space objects poses significant challenges to spacecraft launch,
operation, and space security. To address this issue, a novel algorithm based on improved …

Estimation for a thrusting/ballistic object with mass ejection from a single fixed passive sensor with delayed acquisition

K Yang, Q Lu, Y Bar-Shalom, P Willett… - … on Aerospace and …, 2019 - ieeexplore.ieee.org
The trajectory estimation problem of a thrusting/ballistic object in three-dimensional (3-D)
space has been previously solved with 2-D measurements (azimuth and elevation angles …

Generalized Expression for TP-CFAR Model in Point Target Detection of Subpixel Imaging

M Ma, D Wang - IEEE Geoscience and Remote Sensing Letters, 2024 - ieeexplore.ieee.org
The two-parameter constant false alarm rate (TP-CFAR) detector is an important research
direction for infrared (IR) point target detection. The traditional pixel-level TP-CFAR has …

Camera calibration with unknown time offset between the camera and drone GPS systems

R Yang, Y Bar-Shalom - 2022 25th International Conference …, 2022 - ieeexplore.ieee.org
This paper considers a camera calibration problem using a discrete-time drone trajectory
recorded by an accurate GPS. The challenge is that the GPS receiver and camera are not …

Measurement extraction of two targets with unequal and unknown intensities in an FPA

A Finelli, Y Bar-Shalom, P Willett - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article extends previous work on location and intensity estimation for measurement
extraction of targets in a focal plane array. Prior work has been done to extract single targets …

Detection, location estimation, and crlb of a streaking target in an fpa with a poisson model

AR Finelli, Y Bar-Shalom - IEEE Transactions on Aerospace …, 2019 - ieeexplore.ieee.org
This paper deals with measurement extraction, from an optical sensor's Focal Plane Array
(FPA), of a streaking target. We use a model that assumes pixels are separated by dead …

Unbiased and Consistent Electro-Optical Camera Angular Measurements With Cross-Correlated Errors and Their Fusion

JKY Goh, Y Bar-Shalom, R Yang - Journal of Advances in …, 2024 - search.proquest.com
Electro-optical (EO) camera systems are commonly used in target detection and tracking
applications. Such camera systems typically comprise a suite of sensors, such as …

[PDF][PDF] ML-PMH Tracking in Three Dimensions Using Cluttered Measurements From Multiple Two-Dimensional Sensors.

Z SUTTON, P WILLETT… - … of Advances in …, 2021 - confcats_isif.s3.amazonaws.com
The maximum-likelihood probabilistic multihypothesis tracker (ML-PMHT) is an ML target
tracking paradigm that is convenient in cases where data association—the measurement-to …