UAS
Section: Remote Sensing General Issue, Land Use, Land Cover (H)
Section: Remote Sensing Hardware Implementations, Vehicles, UAV Systems, Drones, UAS (H2)
UAV Path Planning
Section: Active Vision, Camera Calibration, Mobile Robots, Navigation, Road Following (H)
Section: UAV Path or View Planning, Next View (H4)
UAV Systems
Section: Remote Sensing General Issue, Land Use, Land Cover (H)
Section: Remote Sensing Hardware Implementations, Vehicles, UAV Systems, Drones, UAS (H2)
UAV Tracking
Section: Motion -- Feature-Based, Long Range, Motion and Structure Estimates, Tracking, Surveillance, Activities (H)
Section: UAV Tracking, UAV Detection Techniques (H4)
UAV
Section: Aerial Image Mosaic Generation, UAV Mosaics, Drone Mosaics (H3)
Section: Cartography, Aerial Images, Buildings, Roads, Terrain, Forests, Trees, ATR (H)
Section: DEM, DSM, DTM, Generation Using UAV (H2)
Section: Motion Analysis -- Low-Level, Image Level Analysis, Mosaic Generation, Super Resolution, Shape from Motion (H)
UGV
Definition:* User Generated Video.
Ultrasonic Sensors
Section: Acoustic, Sonar Sensors for Range, Underwater Acoustic Sensing (H3)
Section: Computational Vision, Regularization, Connectionist, Morphology, Scale-Space, Perceptual Grouping, Wavelets, Color, Sensors, Optical, Laser, Radar (H)
Ultrasound
Section: Freehand Ultrasound, Ultrasonic, Generation (H2)
Section: Heart, Cardiac, Echocardiography, Ultrasound (H2)
Section: HIFU: High Intensity Focused Ultrasound (H2)
Section: Mammograms, Breast Cancer, Ultrasound (H3)
Section: Medical Applications -- Ultrasound, Ultrasonic (H1)
Section: Medical Applications, CAT, MRI, Ultrasound, Heart Models, Brain Models (H)
Section: Photoacoustic Tomography, Ultrasonic, Generation (H2)
Section: Registration, Matching and Recognition Using Points, Lines, Regions, Areas, Surfaces (H)
Section: Surface Registration, Sonar, Ultrasound, Acoustic (H4)
Section: Ultrasound, Ultrasonic, Image Segmentation, Contour Extraction, Contour Motion (H2)
Section: Ultrasound, Ultrasonic, Speckle Removal, Restoration, Analysis (H2)
11 for Ultrasound
Unattended Package
Section: Motion -- Human Motion, Surveillance, Tracking, Surveillance, Activities (H)
Section: Unattended Package, Abandoned Luggage, Left Luggage, Theft (H4)
Unbalanced Data
Section: Pattern Recognition, Clustering, Statistics, Grammars, Learning, Neural Nets, Genetic Algorithms (H)
Section: Unbalanced Datasets, Imbalanced Sample Sizes, Imbalanced Data, Long-Tailed Data (H3)
Uncalibrated Cameras
Section: Stereo: Three Dimensional Descriptions from Two or More Views, Binocular, Trinocular (H)
Section: Weakly Calibrated Cameras (H1)
* Conic Reconstruction and Correspondence from Two Views
Uncertainty
Section: Evidence Theory, Combination Techniques, Optimization Techniques (H3)
Section: Fuzzy Sets, Fuzzy Logic (H4)
Section: Matching and Recognition Using Volumes, High Level Vision Techniques, Invariants (H)
* Bayesian Modeling of Uncertainty in Low-Level Vision
* Imprecision in Computer Vision
Underwater Calibration
Section: Active Vision, Camera Calibration, Mobile Robots, Navigation, Road Following (H)
Section: Refractive, Water, Underwater Camera Calibration (H3)
Underwater Vehicles
Section: Active Vision, Camera Calibration, Mobile Robots, Navigation, Road Following (H)
Section: Underwater Autonomous Vehicles (H3)
Underwater
Section: Computational Vision, Regularization, Connectionist, Morphology, Scale-Space, Perceptual Grouping, Wavelets, Color, Sensors, Optical, Laser, Radar (H)
Section: Underwater Imaging, Color Correction, Restoration (H3)
Section: Underwater Object Detection (H4)
Unmixing
Section: Hyperspectral Unmixing (H4)
Section: Mixed Pixels, Unmixing (H3)
Section: Pattern Recognition, Clustering, Statistics, Grammars, Learning, Neural Nets, Genetic Algorithms (H)
Unsharp Mask
Section: Image Processing, Restoration, Enhancement, Filters, Image and Video Coding (H)
Section: Sharpening, Unsharp Masking (H2)
Unsupervised Adaptation
Section: Pattern Recognition, Clustering, Statistics, Grammars, Learning, Neural Nets, Genetic Algorithms (H)
Section: Unsupervised Domain Adaptation (H3)
Unsupervised Segmentation
Section: Motion Analysis -- Low-Level, Image Level Analysis, Mosaic Generation, Super Resolution, Shape from Motion (H)
Section: Semi-Supervised Video Object Segmentation (H4)
Unsupervised
Section: Pattern Recognition, Clustering, Statistics, Grammars, Learning, Neural Nets, Genetic Algorithms (H)
Section: Unsupervised Clustering, Classification, Unsupervised Learning (H2)
Unusual Event
Section: Detecting Anomalies, Abnormal Event, Abnormal Behavior, or Rare Events, Rare Behaviors (H3)
Section: Motion -- Human Motion, Surveillance, Tracking, Surveillance, Activities (H)
Unwraping
Section: Computational Vision, Regularization, Connectionist, Morphology, Scale-Space, Perceptual Grouping, Wavelets, Color, Sensors, Optical, Laser, Radar (H)
Section: Phase Unwrapping, Stereo Depth unwrapping (H2)
Up-Conversion
Section: Motion Analysis -- Low-Level, Image Level Analysis, Mosaic Generation, Super Resolution, Shape from Motion (H)
Section: Video Frame Rate Up-Conversion (H3)
* Frame-Rate Up-Conversion Using Transmitted Motion and Segmentation Fields for Very Low Bit-Rate Video Coding
Upper Body
Section: Face Recognition, Detection, Tracking, Gesture Recognition, Fingerprints, Biometrics (H)
Section: Human Posture, Upper Body Posture, Arms (H3)
Upsampling
Section: Image Manipulation -- Expansion, Zoom, Magnification (H3)
Section: Motion Analysis -- Low-Level, Image Level Analysis, Mosaic Generation, Super Resolution, Shape from Motion (H)
Upwelling
Section: Cartography, Aerial Images, Buildings, Roads, Terrain, Forests, Trees, ATR (H)
Section: Downwelling, Upwelling Analysis, Oceans, Lakes, Water (H4)
Urban Analysis
Section: Remote Sensing General Issue, Land Use, Land Cover (H)
Section: Urban Green Space Mapping, Parks, Detection, Analysis (H3)
Urban Area Detection
Section: Cartography, Aerial Images, Buildings, Roads, Terrain, Forests, Trees, ATR (H)
Section: General Urban Area Detection, Built-Up Area Detection (H2)
Urban Area
Section: 2-D Feature Analysis, Extraction and Representations, Shape, Skeletons, Texture (H)
Section: Active Vision, Camera Calibration, Mobile Robots, Navigation, Road Following (H)
Section: Change Detection, Urban Area Land Cover, Temporal Analysis (H3)
Section: Classification for Urban Area Land Cover, Remote Sensing (H2)
Section: Localization, Georeference, Urban Regions, City Models, Building Models (H4)
Section: Remote Sensing General Issue, Land Use, Land Cover (H)
Section: Urban Heat Islands, Remote Sensing (H4)
* Texture Analysis through Markov Random Fields: Urban Areas Extraction
8 for Urban Area
Urban Change Detection
Section: Cartography, Aerial Images, Buildings, Roads, Terrain, Forests, Trees, ATR (H)
Section: Urban Areas, Change, Expansion and Growth (H3)
Section: Urban Areas, Expansion and Growth, Specific Sites, China (H4)
Urban Change
Section: Cartography, Aerial Images, Buildings, Roads, Terrain, Forests, Trees, ATR (H)
Section: Change Detection, Urban Area Land Cover, Temporal Analysis (H3)
Section: Impervious Surface Detection, Urban Area Extraction (H3)
Section: Night Time Image Analysis for Urban Area Detection, Change and Growth (H3)
Section: Remote Sensing General Issue, Land Use, Land Cover (H)
Section: Urban Areas, Change, Expansion and Growth (H3)
Urban Deformation
Section: Computational Vision, Regularization, Connectionist, Morphology, Scale-Space, Perceptual Grouping, Wavelets, Color, Sensors, Optical, Laser, Radar (H)
Section: Surface Deformation, Subsidance From SAR Applied in Urban, City Areas (H4)
Urban Functional Area
Section: Remote Sensing General Issue, Land Use, Land Cover (H)
Section: Urban Functional Area Determination, Analysis (H3)
Urban Green Space
Section: Remote Sensing General Issue, Land Use, Land Cover (H)
Section: Urban Green Space Mapping, Parks, Detection, Analysis (H3)
Urban Growth
Section: Cartography, Aerial Images, Buildings, Roads, Terrain, Forests, Trees, ATR (H)
Section: Impervious Surface Detection, Urban Area Extraction (H3)
Section: Night Time Image Analysis for Urban Area Detection, Change and Growth (H3)
Section: Refugee Camp Growth, Development, Analysis, Refugee Movement, Informal Settlement (H3)
Section: Urban Areas, Change, Expansion and Growth (H3)
Section: Urban Areas, Expansion and Growth, Specific Sites, China (H4)
Urban Heat Islands
Section: Remote Sensing General Issue, Land Use, Land Cover (H)
Section: Urban Heat Islands, Remote Sensing (H4)
Urban Land Cover
Section: Classification for Urban Area Land Cover, Remote Sensing (H2)
Section: Remote Sensing General Issue, Land Use, Land Cover (H)
Urban Land Use
Section: Change Detection, Urban Area Land Cover, Temporal Analysis (H3)
Section: Remote Sensing General Issue, Land Use, Land Cover (H)
Section: Urban Functional Area Determination, Analysis (H3)
Urban Parks
Section: Remote Sensing General Issue, Land Use, Land Cover (H)
Section: Urban Green Space Mapping, Parks, Detection, Analysis (H3)
Urban Temperature
Section: Remote Sensing General Issue, Land Use, Land Cover (H)
Section: Urban Land Surface Temperature (H3)
Urban Trees
Section: Cartography, Aerial Images, Buildings, Roads, Terrain, Forests, Trees, ATR (H)
Section: Urban Trees, Individual Trees, Street Trees (H3)
Urban
Section: GIS Implementation, City Models, Urban Models, City Data (H2)
Section: Remote Sensing General Issue, Land Use, Land Cover (H)
Urban, DEM
Section: Cartography, Aerial Images, Buildings, Roads, Terrain, Forests, Trees, ATR (H)
Section: DEM, DSM, DTM, Generation in Urban Areas (H2)
Utilities
Section: Cartography, Aerial Images, Buildings, Roads, Terrain, Forests, Trees, ATR (H)
Section: Utility Mapping, Buried Utilities, Pipelines, Subsurface Infrastructure (H4)
UXO
Section: Cartography, Aerial Images, Buildings, Roads, Terrain, Forests, Trees, ATR (H)
Section: Ground Penetrating Radar, UXO, Landmines, Explosives (H4)