搜索结果: 1-15 共查到“信息与通信工程 imagery”相关记录15条 . 查询时间(0.125 秒)
FLOOD EXTENT MAPPING USING DUAL-POLARIMETRIC SENTINEL-1 SYNTHETIC APERTURE RADAR IMAGERY
Flood Polarimetry SAR Radar Harvey Sentinel-1
2018/5/14
Rapid generation of synthetic aperture radar (SAR) based flood extent maps provide valuable data in disaster response efforts thanks to the cloud penetrating ability of microwaves. We present a method...
Building Boundary Extraction from High Resolution Imagery and LIDAR Data
Building boundary High resolution image Lidar data Data integration
2015/12/9
Building boundary data are necessary for the real estate industry, 3D city models and many other applications. In this study, a novel approach integrated high resolution imagery and Lidar data is prop...
Integration of LIDAR and Airborne Imagery for Realistic Visualization of 3D Urban Environments
LiDAR Georeferencing True Orthophoto Generation 3D Visualization Urban Environments
2015/12/2
In its report "State of the World Cities 2006/07", the United Nations states that the number of urban area inhabitants is expected to rise to almost 5 billion by 2030, constituting roughly 62% of the ...
Wavelet Speckle Reduction for SAR Imagery Based on Edge Detection
Image processing Filtering Feature detection Geography Image understanding
2015/11/20
This paper introduces a wavelet transform speckle reduction algorithm for Synthetic Aperture Radar (SAR) imagery based on edge detection. Existing speckle algorithm can efficiently reduce the speckle ...
UNCERTAINTY IN CALIBRATING FLOOD PROPAGATION MODELS WITH FLOOD BOUNDARIES DERIVED FROM SYNTHETIC APERTURE RADAR IMAGERY
Remote Sensing Floods Classification Calibration SAR Performance Fuzzy Logic
2015/7/29
An instantaneous synthetic aperture radar (SAR) derived flood extent map helps retrieving the distributed conveyance parameters in
one-dimensional flood routing models. These models are generally ca...
AUTOMATIC ROAD EXTRACTION FROM DENSE URBAN AREA BY INTEGRATED PROCESSING OF HIGH RESOLUTION IMAGERY AND LIDAR DATA
Extraction Road Multisensor High Resolution
2015/6/1
Automated and reliable 3D city model acquisition is an increasing demand. Automatic road extraction from dense urban areas is a
challenging issue due to the high complex image scene. From imagery, t...
ROAD NETWORK EXTRACTION FROM SAR IMAGERY SUPPORTED BY CONTEXT INFORMATION
Mapping SAR Object Extraction
2015/6/1
This paper deals with automatic road extraction from SAR imagery. In general, automatically extracted road networks are not complete,
i.e., gaps remain in the erxtracted network. Especially in SAR im...
ANALYSIS OF AUTOMATIC ROAD EXTRACTION RESULTS FROM AIRBORNE SAR IMAGERY
road extraction airborne SAR imagery evaluation
2015/5/18
Automatic extraction of roads is a present research topic. Many applications like topographic mapping, navigation applications, or
image registration could profit from such algorithms.
CALIBRATION ASPECTS IN DIRECT GEOREFERENCING OF FRAME IMAGERY
direct sensor orientation GPS IMU coordinate systems boresight misalignment
2015/5/12
The determination of the exterior orientation by a combination of an inertial measurement system (IMU) with relative kinematic
GPS-positioning – the direct georeferencing - has a growing number of ap...
Inversion of Marine Radar Imagery to Surface Realizations and Dual-Polarization Analysis
radar FOPAIR ocean inversion sea spikes
2014/12/8
The ocean influences global weather patterns, stores and transports heat, and supports entire ecosystems. An area of interest is the relationship between the observed backscattered power received by a...
Door recognition in cluttered building interiors using imagery and lidar data
3D modelling feature extraction imagery terrestrial laser scanning
2014/7/30
Building indoors reconstruction is an active research topic due to the importance of the wide range of applications to which they can be subjected, from architecture and furniture design, to movies an...
PRIMITIVE-BASED BUILDING RECONSTRUCTION BY INTEGRATION OF LIDAR DATA AND OPTICAL IMAGERY
Building Reconstruction LiDAR Optical Imagery Primitive-based Bundle Adjustment
2014/6/5
Airborne LiDAR data and optical imagery are two datasets used for 3D building reconstruction. In this paper, the complementarities of these two datasets are utilized to perform a primitive-based 3D bu...
EDGE-BASED REGISTRATION FOR AIRBORNE IMAGERY AND LIDAR DATA
Aerial Imagery Building, Detection, LIDAR, Model, Registration
2014/4/28
Aerial imagery and LIDAR points are two important data sources for building reconstruction in a geospatial area. Aerial imagery implies building contours with planimetric features; LIDAR data explicit...
Damage Detection from SAR Imagery: Application to the 2003 Algeria and 2007 Peru Earthquakes
Damage Detection SAR Imagery 2003 Algeria 2007 Peru Earthquakes
2009/9/3
This paper is focused on the improvement and further validation of a recently proposed approach for the joint use of radar satellite imagery of an area affected by a major disaster and ancillary data....
modeling and visualizing spatio-temporal pattern of land cover change in pearl river delta region of china using multi-temporal imagery
Spatio-temporal pattern LUCC Change detection Pearl River Delta region urban growth mode
2016/4/11
Landuse and land cover change (LUCC) is regarded as a good indicator that represents the impacts of human activities on the earth’s environment. When the large collection of multi-temporal satellite i...