Explanipedia

Vehicle track detection in synthetic aperture radar imagery Open

Rebecca Malinas, Tu-Thach Quach, Mark W. Koch · 2023

The various technologies presented herein relate to detecting one or more vehicle tracks in radar imagery. A CCD image can be generated from a first SAR image and a second SAR image captured for a common scene, wherein the second SAR image…

Superpixels for improved structure and terrain classification using multiple synthetic aperture radar image products Open

Mary M. Moya, Mark W. Koch, David N. Perkins · 2023

Various embodiments presented herein relate to assigning labels to segments of a synthetic aperture radar (SAR) image, where the segments are based upon a speckle-reduced SAR image product. A plurality of SAR images of a scene are co-regis…

Terrain detection and classification using single polarization SAR Open

James G. Chow, Mark W. Koch · 2023

The various technologies presented herein relate to identifying manmade and/or natural features in a radar image. Two radar images (e.g., single polarization SAR images) can be captured for a common scene. The first image is captured at a …

VMD fused radar--a hyper-volumetric ultra-low NAR sensor system Open

J.L. Russell, Daniel E. Small, Mark W. Koch, Robert J. Anderson, Jason Jann Andersen , et al. · 2023

A system or method for a physical intrusion detection and assessment system is provided for determining a deliberate motion intrusion. The system includes first and second sensing device to sense physical data set within a predetermined sp…

Superpixel edges for boundary detection Open

Mary M. Moya, Mark W. Koch · 2023

Various embodiments presented herein relate to identifying one or more edges in a synthetic aperture radar (SAR) image comprising a plurality of superpixels. Superpixels sharing an edge (or boundary) can be identified and one or more prope…

Window-based method for approximating the Hausdorff in three-dimensional range imagery Open

Mark W. Koch · 2023

One approach to pattern recognition is to use a template from a database of objects and match it to a probe image containing the unknown. Accordingly, the Hausdorff distance can be used to measure the similarity of two sets of points. In p…

Real-time method for establishing a detection map for a network of sensors Open

Hung D. Nguyen, Mark W. Koch, Casey Giron, Daniel M Rondeau, John L. Russell · 2023

A method for establishing a detection map of a dynamically configurable sensor network. This method determines an appropriate set of locations for a plurality of sensor units of a sensor network and establishes a detection map for the netw…

Rapid Autonomous Semantic Mapping. Open

Anup Parikh, Mark W. Koch, Timothy James Blada, Stephen Buerger · 2021

Terrain Classification using Single-Pol Synthetic Aperture Radar. Open

Mark W. Koch, Mary M. Moya, Ryan Matthew Steinbach · 2019

Open Set Recognition of Aircraft in Aerial Imagery using Synthetic Template Models. Open

Aleksander Bogdan Bapst, Jonathan Tran, Mark W. Koch, Mary M. Moya, Robert Swahn · 2018

Polarimetric Synthetic-Aperture-Radar Change-Type Classification with a Hyperparameter-Free Open-Set Classifier Open

Mark W. Koch, R. Derek West, Robert W. Riley, Tu-Thach Quach · 2018

Synthetic aperture radar (SAR) is a remote sensing technology that can truly operate 24/7. It's an all-weather system that can operate at any time except in the most extreme conditions. Coherent change detection (CCD) in SAR can identify m…

Single-Pol Synthetic Aperture Radar Terrain Classification using Multiclass Confidence for One-Class Classifiers Open

Mark W. Koch, Ryan Matthew Steinbach, Mary M Moya · 2018

Except in the most extreme conditions, Synthetic aperture radar (SAR) is a remote sensing technology that can operate day or night. A SAR can provide surveillance over a long time period by making multiple passes over a wide area. For obje…

Rapid abstract perception to enable tactical unmanned system operations. Open

Stephen Buerger, Anup Parikh, Steven J. Spencer, Mark W. Koch · 2018

Low-Level Track Finding and Completion using Random Fields. Open

Tu-Thach Quach, Rebecca Malinas, Mark W. Koch · 2016

A Sequential Vehicle Classifier for Infrared Video using Multinomial Pattern Matching. Open

Kevin T. Malone, Mark W. Koch · 2016

Superpixel segmentation using multiple SAR image products. Open

Mary M. Moya, Mark W. Koch, David N. Perkins, R. Derek West · 2016

Automatic Recognition of Malicious Intent Indicators. Open

Mark W. Koch, R.J. Fogler, Casey Giron, Mark L. Yee, Hung T. Nguyen · 2016

A Rapidly Deployable Virtual Presence Extended Defense System. Open

Mark W. Koch, Casey Giron, Hung Duc Nguyen · 2016

Distributed Network Fusion for Water Quality. Open

Mark W. Koch, Sean Andrew McKenna · 2016

Multinomial Pattern Matching for High Range Resolution Radar Profiles. Open

Melissa Koudelka, John R. Richards, Mark W. Koch · 2016

A Model-Based Approach to Finding Tracks in SAR CCD Images. Open

Tu-Thach Quach, Rebecca Malinas, Mark W. Koch · 2016

Vehicle track detection in CCD imagery via conditional random field. Open

Rebecca Malinas, Tu-Thach Quach, Mark W. Koch · 2016

Vehicle track detection in CCD imagery via conditional random field Open

Rebecca Malinas, Tu-Thach Quach, Mark W. Koch · 2015

Coherent change detection (CCD) can indicate subtle scene changes in synthetic aperture radar (SAR) imagery, such as vehicle tracks. Automatic track detection in SAR CCD is difficult due to various sources of low coherence other than the t…

Road segmentation using multipass single-pol synthetic aperture radar imagery Open

Mark W. Koch, Mary M. Moya, Jim G. Chow, Jeremy Goold, Rebecca Malinas · 2015

Synthetic aperture radar (SAR) is a remote sensing technology that can truly operate 24/7. It's an all-weather system that can operate at any time except in the most extreme conditions. By making multiple passes over a wide area, a SAR can…

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