搜索结果: 1-15 共查到“Extraction”相关记录118条 . 查询时间(0.078 秒)
A new material based on amidoxime chemical groups may allow electrochemical extraction technology to extract uranium ions from seawater more efficiently than previous methods, according to a recent st...
近日，冶金学院王聪教授收到美国矿物、金属与材料学会通知，其团队关于大线能量用焊剂微观结构、物理性质及热力学方面的系列学术论文被评为2023年度学会“提取与过程学部科学奖”(Extraction and Processing Division Science Award)。被提名获奖论文共6篇，均发表于领域权威期刊Metallurgical and Materials Transactions B，...
EXTRACTION OF BLUE ICE AREA USING ALBEDO VALUE DERIVED FROM LANDSAT-8 SATELLITE DATA
Blue Ice Landsat-8 Albedo Polar record Glacier Image Processing
2018/11/19
Blue Ice Areas (BIAs) or bare ice areas are zones of glacier where surface mass balance is negative, sublimation forms the major ablation process and surface albedo is relatively small. Exceptionally ...
BUILDING FOOTPRINT EXTRACTION FROM HIGH RESOLUTION SATELLITE IMAGERY USING SEGMENTATION
Segmentation Building Extraction Multi-Resolution Algorithm Rule-Based Feature Extraction High Resolution Satellite Imagery
2018/11/19
Identification and mapping of urban features such as buildings and roads are an important task for cartographers and urban planners. High resolution satellite imagery supports the efficient extraction...
ROAD NETWORK IDENTIFICATION AND EXTRACTION IN SATELLITE IMAGERY USING OTSU'S METHOD AND CONNECTED COMPONENT ANALYSIS
Road identification road extraction Otsu's method connected component analysis morphological operations
2018/11/19
As the high resolution satellite images have become easily available, this has motivated researchers for searching advanced methods for object detection and extraction from satellite images. Roads are...
EXTRACTION OF BUILT-UP AREA USING HIGH RESOLUTION SENTINEL-2A AND GOOGLE SATELLITE IMAGERY
Built-up area Extraction Normalized Difference Index High Resolution Satellite Imagery Sentinel-2A Google Satellite Imagery
2018/10/30
Accurate information about the built-up area in a city or town is essential for urban planners for proper planning of urban infrastructure facilities and other basic amenities. The normalized differen...
COMPARISON AND ANALYSIS OF ACCURACY OF ELEVATION EXTRACTION BASED ON THE ZY-3 01 AND 02 SATELLITES STEREOSCOPIC IMAGES
ZY-3 Stereoscopic Satellite GSD DEM differential DEM, Accuracy
2018/4/30
The ZY-3 is the civil high-resolution optical stereoscopic mapping satellite independently developed by China. The ZY-3 constellation of the twin satellites operates in a sun-synchronous, near-polar, ...
DATUM FEATURE EXTRACTION AND DEFORMATION ANALYSIS METHOD BASED ON NORMAL VECTOR OF POINT CLOUD
Deformation Analysis Point Cloud Normal Vecto Datum Feature Cubic B-spline Curve
2018/4/30
In order to solve the problem lacking applicable analysis method in the application of three-dimensional laser scanning technology to the field of deformation monitoring, an efficient method extractin...
METHODS FROM INFORMATION EXTRACTION FROM LIDAR INTENSITY DATA AND MULTISPECTRAL LIDAR TECHNOLOGY
Classification Information Extraction LiDAR Intensity Multispectral LiDAR
2018/4/30
LiDAR is a consolidated technology for topographic mapping and 3D reconstruction, which is implemented in several platforms On the other hand, the exploitation of the geometric information has been co...
OPTIMAL INFORMATION EXTRACTION OF LASER SCANNING DATASET BY SCALE-ADAPTIVE REDUCTION
Multi-scale Surface variation Radial basis function Just-Noticeable-Difference Degradation
2018/4/30
3D laser technology is widely used to collocate the surface information of object. For various applications, we need to extract a good perceptual quality point cloud from the scanned points. To solve ...
TIE POINTS EXTRACTION FOR SAR IMAGES BASED ON DIFFERENTIAL CONSTRAINTS
Synthetic Aperture Radar (SAR) Tie Points Matching Extraction Differential Constraints
2018/4/30
Automatically extracting tie points (TPs) on large-size synthetic aperture radar (SAR) images is still challenging because the efficiency and correct ratio of the image matching need to be improved. T...
FULLY CONVOLUTIONAL NETWORK BASED SHADOW EXTRACTION FROM GF-2 IMAGERY
Fully Convolutional Network Shadow Extraction Deep Learning GF-2 Building Shadows
2018/4/30
There are many shadows on the high spatial resolution satellite images, especially in the urban areas. Although shadows on imagery severely affect the information extraction of land cover or land use,...
EXTRACTION OF BUILDING ROOF EDGES FROM LIDAR DATA TO OPTIMIZE THE DIGITAL SURFACE MODEL FOR TRUE ORTHOPHOTO GENERATION
LiDAR Aerial photos Edge Detection DSM True Orthophoto
2018/3/30
Various kinds of urban applications require true orthophotos. True orthophoto generation requires a DSM (Digital Surface Model) to project the photo orthogonally and minimize geometric distortion due ...
AUTOMATIC EXTRACTION OF VERTICAL WALLS FROM MOBILE AND AIRBORNE LASER SCANNING DATA
buildings 3D feature extraction map updating position accuracy
2016/2/29
Building outlines in cadastral maps are often created from different sources such as terrestrial surveying and photogrammetric
analyses. In the latter case the position of the building wall cannot b...
With the rapid improvement of LIDAR systems regarding point density and accuracy in relation to the (application dependent)
requirements, robustness, efficiency and automation of the modeling process...