Computer vision publications
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Low-Light NV-CMOS Image Sensors for Day/Night Imaging
SRI’s new NV-CMOS™ image sensor technology is designed to capture images over the full range of illumination from bright sunlight to overcast starlight.
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Recognizing Activities Via Bag of Words for Attribute Dynamics
In this work, we propose a novel video representation for activity recognition that models video dynamics with attributes of activities. A video sequence is decomposed into short-term segments, which are…
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3D Visual Proxemics: Recognizing Human Interactions in 3D from a Single Image
We present a unified framework for detecting and classifying people interactions in unconstrained user generated images.
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Motion Adaptive Signal Integration-High Dynamic Range (MASI-HDR) Video Processing for Dynamic Platforms
SRI’s MASI-HDR (Motion Adaptive Signal Integration-High Dynamic Range) is a novel technique for generating blur-reduced video using multiple captures for each displayed frame while increasing the effective camera dynamic range…
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On the Applicability of Speaker Diarization to Audio Indexing of Non-Speech and Mixed Non-Speech/Speech Video
This paper explores how unsupervised audio segmentation systems like speaker diarization can be adapted to automatically identify low-level sound concepts similar to annotator defined concepts and how these concepts can…
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Synthesis and Thermoluminescence Characteristics of Gamma and Proton Irradiated Nanocrystalline MgB4o7: Dy, Na
This paper investigates the use of nanocrystalline MgB4O7: Dy, Na thermoluminescent (TL) dosimeter synthesized by the combustion method for the assessment of proton beam and gamma radiation doses, primarily on…
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Domain Adaptive Object Detection
We study the use of domain adaptation and transfer learning techniques as part of a framework for adaptive object detection.
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Algorithms for Geodesics
Algorithms for the computation of geodesics on an ellipsoid of revolution are given. These provide accurate, robust, and fast solutions to the direct and inverse geodesic problems and they allow…
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Image to LIDAR Matching for Geotagging in Urban Environments
We present a novel method for matching ground-based query images to a georeferenced LIDAR 3D dataset acquired from an airborne platform in urban environments.
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Implementation of an Augmented Reality System for Training Dismounted Warfighters
We describe the technical methods and experimental results on building an Augmented Reality Training system for training dismounts doing maneuver operations.
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Multi-Sensor Navigation Algorithm Using Monocular Camera, IMU and GPS for Large Scale Augmented Reality
Camera tracking system for augmented reality applications that can operate both indoors and outdoors is described. The system uses a monocular camera, a MEMS-type inertial measurement unit (IMU) with 3-axis…
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Vision Guided Compression on Low-Bit Rate Channels
We introduce Vision Guided Compression (VGC), as a pre-processing technology that can be coupled with standards-based video coding, to provide FMV at low-bit rates.