National security publications
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Temperature Dependence of the Vibrational Relaxation of OH(u = 1 and 2) By CO2
Measurements of vibrational energy transfer probabilities are presented for the temperature range 205–360 °K for HF–DF, HF–CO2, and DF–CO2 gas mixtures.
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Visible Dayglows of the CO2 Planets
We have performed laboratory experiments on CO2 photodissociation in the appropriate spectral region, utilizing synchrotron radiation from the Berkeley Advanced Light Source (ALS) in the 11-14 eV range.
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Oxygen Atom Recombination in Carbon Dioxide Atmospheres
Understanding processes involving atomic oxygen is crucial for the study and modeling of composition, energy transfer, airglow, and transport dynamics in planetary atmospheres.
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Synchrotron Studies of Co2 Photodisassociation: Excited State Quantum Yields and Optical Emissions from Comets and the Mars Atmosphere
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CALO Workflow Recognition and Proactive Assistance
This short video offers glimpses of how SRI's CALO agent helps users manage their tasks and time using advanced activity recognition algorithms based on logical probabilistic models.
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Building Segmentation for Densely Built Urban Regions Using Aerial LIDAR Data
We present a novel building segmentation system for densely built areas, containing thousands of buildings per square kilometer.
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Collision Sensing by Stereo Vision and Radar Sensor Fusion
To take the advantages of both stereo cameras and radar, this paper proposes a fusion approach to accurately estimate the location, size, pose and motion information of a threat vehicle…
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Matching Vehicles Under Large Pose Transformations Using Approximate 3D Models and Piecewise MRF Model
We propose a robust object recognition method based on approximate 3D models that can effectively match objects under large viewpoint changes and partial occlusion.
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Geo-Spatial Aerial Video Processing for Scene Understanding and Object Tracking
This paper presents an approach to extracting and using semantic layers from low altitude aerial videos for scene understanding and object tracking.
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Real-Time Global Localization with a Pre-Built Visual Landmark Database
In this paper, we study how to build a vision-based system for global localization with accuracies within 10 cm. for robots and humans operating both indoors and outdoors over wide…
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Discovering Class Specific Composite Features Through Discriminative Sampling with Swendsen-Wang Cut
This paper proposes a novel approach to discover a set of class specific composite features as the feature pool for the detection and classification of complex objects using AdaBoost.
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Temperature Dependence of Oxygen Atom Recombination in Nitrogen After Ozone Photolysis
Oxygen atom decays in nitrogen were measured by laser induced fluorescence following complete photodissociation of ozone at 248 nm.