搜索结果: 1-15 共查到“工学 anomaly”相关记录20条 . 查询时间(0.093 秒)
NOVEL HYPERSPECTRAL ANOMALY DETECTION METHODS BASED ON UNSUPERVISED NEAREST REGULARIZED SUBSPACE
Anomaly detection Hyperspectral imagery Unsupervised nearest regularized subspace Outlier Removal Local summation Dual-window sliding
2018/5/14
Anomaly detection has been of great interest in hyperspectral imagery analysis. Most conventional anomaly detectors merely take advantage of spectral and spatial information within neighboring pixels....
2018年SPIE X射线异常检测与成像会议（The SPIE Anomaly Detection and Imaging with X-Rays （ADIX） III）
2018年 SPIE X射线异常检测与成像 会议
2017/10/27
X-ray imaging has its beginning in medical imaging. However, advances in x-ray component technology coupled with the exponential growth in computational capability has fueled the expansion of x-ray im...
ANOMALY IDENTIFICATION FROM SUPER-LOW FREQUENCY ELECTROMAGNETIC DATA FOR THE COALBED METHANE DETECTION
Electromagnetic Super Low Frequency Coalbed Methane non-Gaussian Class B model Least Square Gradient Adaptive filter
2016/11/30
Natural source Super Low Frequency(SLF) electromagnetic prospecting methods have become an increasingly promising way in the resource detection. The capacity estimation of the reservoirs is of great i...
HYPERSPECTRAL ANOMALY DETECTION IN URBAN SCENARIOS
Anomaly Detection (AD) Urban Areas Hyperspectral High Resolution Data DATB
2016/11/23
We have studied the spectral features of reflectance and emissivity in the pattern recognition of urban materials in several single hyperspectral scenes through a comparative analysis of anomaly detec...
PRELIMINARY ANALYSES OF BEIDOU SIGNAL-IN-SPACE ANOMALY SINCE 2013
BeiDou Signal-in-space Anomaly Integrity URE URA ARAIM
2016/7/5
As BeiDou navigation system has been operational since December 2012. There is an increasing desire to use multiple constellation to improve positioning performance. The signal-in-space (SIS) anomaly ...
MODIS DATA PROCESSING FOR COASTAL AND MARINE ENVIRONMENT MONITORING:A STUDY ON ANOMALY DETECTION AND EVOLUTION IN GULF OF CAGLIARI (SARDINIA-ITALY)
MODIS Oil Spill Monitoring Multispectral
2015/12/28
In this paper, the authors demonstrate that MODIS sensor multispectral imagery may be used in marine and coastal environment monitoring and for anomaly detection and that MODIS imagery may represent a...
STUDYING THERMAL ANOMALY BEFORE EARTHQUAKE WITH NCEP DATA
Thermal Anomaly Earthquake NCEP
2015/12/28
Thermal anomaly before earthquake was widely studied with satellite data such as NOAA/AVHRR and MODIS. A big disadvantage is that satellite thermal sensor can not penetrate thick clouds to retrieve su...
ANOMALY DETECTION ALGORITHMS FOR HYPERSPECTRAL IMAGERY
Hyperspectral Target detection Anomaly detection
2015/9/8
Nowadays the use of hyperspectral imagery specifically automatic target detection algorithms for these
images is a relatively exciting area of research.An important challenge of hyperspectral target ...
Ascension and Port Stanley geomagnetic observatories and monitoring the South Atlantic Anomaly
geomagnetism, observatories South Atlantic Anomaly secular variation micropulsations
2015/8/28
Our 15-year experience of operating two remote observatories, Ascension and Port Stanley, in the south Atlantic is described. These observatories help monitor the South Atlantic Anomaly (SAA), a regio...
New geomagnetic field observations in the South Atlantic Anomaly region
geomagnetic observatories geomagnetic data South Atlantic
2015/8/28
Three new geomagnetic observatories have been established recently around the South Atlantic geomagnetic Anomaly by GeoForschungsZentrum Potsdam(GFZ), Germany, in collaboration with other institutions...
ANOMALY DETECTION IN NOISY MULTI AND HYPER SPECTRAL IMAGES OF URBAN ENVIRONMENTS
Urban Remote-sensing Anomaly detection speckle noise spectral data morphological operation
2015/8/3
The recent surge in remotely sensed imagery with multi to hyper spectral cubes has made it very difficult to detect features because of the sheer volume of data. In a sense it is locating the needle i...
GBAS Differentially Corrected Positioning Service Ionospheric Anomaly Errors Evaluated in an Operational Context
GBAS Differentially Corrected Positioning Service onospheric Anomaly Errors
2015/6/25
Tim Murphy is Technical Fellow with Boeing Commercial Airplanes where he is a member of the Electronic Systems organization. Tim has 25 years of experience in radio navigation communications and surve...
Enhancements of Long Term Ionospheric Anomaly Monitoring for the Ground-Based Augmentation System
Ionospheric Anomaly Monitoring Ground-Based Augmentation System
2015/6/24
Extremely large ionospheric gradients can pose a potential integrity threat to the users of ground-based augmentation systems (GBAS). A better understanding of the ionospheric behavior (not limited to...
STATISTICAL ANOMALY DETECTION FOR MONITORING OF HUMAN DYNAMICS
Anomaly detection Human dynamics monitoring Dirichlet process Hidden markov model time-series data
2015/5/21
Understanding of human dynamics has drawn attention to various areas. Due to the wide spread of positioning technologies that use GPS or public Wi-Fi, location information can be obtained with high sp...
INTEGRATED ASSESSMENT OF FOOD AND WATER SECURITY USING VEGETATION AND PRECIPITATION ANOMALY DETECTION
Satellite remote sensing the pathfinder database the global precipitation climatology database grid precipitation coupling precipitation patterns
2015/5/13
The AVHRR Pathfinder database and the Global Precipitation Climatology Center gridded precipitation database
are coupled to estimate global patterns of vegetation and precipitation stress. These pat...