搜索结果: 16-30 共查到“测绘科学技术 Feature”相关记录138条 . 查询时间(0.122 秒)
IMAGE LABELING FOR LIDAR INTENSITY IMAGE USING K-NN OF FEATURE OBTAINED BY CONVOLUTIONAL NEURAL NETWORK
Image labeling Convolutional neural network K-nearest neighbour and LIDAR intensity image
2016/7/28
We propose an image labeling method for LIDAR intensity image obtained by Mobile Mapping System (MMS) using K-Nearest Neighbor (KNN) of feature obtained by Convolutional Neural Network (CNN). Image la...
BEYOND MAXIMUM INDEPENDENT SET: AN EXTENDED MODEL FOR POINT-FEATURE LABEL PLACEMENT
Map labeling point-feature label placement NP-hard
2016/7/8
Map labeling is a classical problem of cartography that has frequently been approached by combinatorial optimization. Given a set of features in the map and for each feature a set of label candidates,...
3D FEATURE POINT EXTRACTION FROM LIDAR DATA USING A NEURAL NETWORK
3D feature points extraction Mobile Mapping System LiDAR Neural network
2016/7/5
Accurate positioning of vehicles plays an important role in autonomous driving. In our previous research on landmark-based positioning, poles were extracted both from reference data and online sensor ...
AUTOMATIC FEATURE DETECTION,DESCRIPTION AND MATCHING FROM MOBILE LASER SCANNING DATA AND AERIAL IMAGERY
Feature detection description matching mobile laser scanning point cloud aerial imagery
2016/7/5
In mobile laser scanning systems, the platform’s position is measured by GNSS and IMU, which is often not reliable in urban areas. Consequently, derived Mobile Laser Scanning Point Cloud (MLSPC) lacks...
ADVANCED TIE FEATURE MATCHING FOR THE REGISTRATION OF MOBILE MAPPING IMAGING DATA AND AERIAL IMAGERY
Mobile Mapping Orientation Accuracy Estimation Feature Matching Template Matching
2016/7/5
Mobile Mapping’s ability to acquire high-resolution ground data is opposing unreliable localisation capabilities of satellite-based positioning systems in urban areas. Buildings shape canyons impeding...
WAVELENGTH SELECTION OF HYPERSPECTRAL LIDAR BASED ON FEATURE WEIGHTING FOR ESTIMATION OF LEAF NITROGEN CONTENT IN RICE
Hyperspectral LiDAR Feather Weighting Leaf Nitrogen Content Wavelength Selection Partial Least Squares Support Vector Machine
2016/7/4
Hyperspectral LiDAR (HSL) is a novel tool in the field of active remote sensing, which has been widely used in many domains because of its advantageous ability of spectrum-gained. Especially in the pr...
LOW-LEVEL TIE FEATURE EXTRACTION OF MOBILE MAPPING DATA (MLS/IMAGES) AND AERIAL IMAGERY
Mobile Mapping Feature Extraction Feature Matching Image Orientation
2016/3/25
Mobile Mapping (MM) is a technique to obtain geo-information using sensors mounted on a mobile platform or vehicle. The mobile platform’s position is provided by the integration of Global Navigation S...
A STUDY OF FEATURE POINTS EXTRACTION BASED ON POINT CLOUD DATA SETS AND MODEL SIMPLIFICATION IN GOAF
Feature Points Extraction 3D laser scanner Point Cloud Data Sets Model Simplification Goaf
2016/3/17
The shape measurement of goaf is an important job in mine project. With the rapid development of the measuring equipment, 3D laser scanner, which makes the efficiency of traditional work being improve...
EXTRACTION OF 3D FEATURE FROM LIDAR DATA FUSED WITH AERIAL IMAGES USING IMPROVED MEAN-SHIFT ALGORITHM
LiDAR Feature Extraction Mean-Shift
2016/3/17
An innovative approach is proposed for the extraction of the complex urban three dimensional feature efficiently and accurately. In this method, firstly, both the LiDAR data and the aerial images are ...
Potential of Manual and Automatic Feature Extraction from High Resolution Space Images in Mountainous Urban Areas
Topographic Mapping High Resolution Space Image Information Content Mountainous Urban Area IKONOS QuickBird OrbView-3
2016/1/25
Recent developments of optical space sensors enable us to use high resolution space images for topographic mapping. Geometric and
radiometric resolution are the major factors for identification of o...
ROBUST PHASE CORRELATION BASED FEATURE MATCHINIG FOR IMAGE CO-REGISTRATION AND DEM GENERATION
Phase Correlation Feature Matching Robust Method Image Co-registration Disparity Mapping DEM
2015/12/31
This paper presents a robust phase correlation based sub-pixel feature matching technique and its application in motion flow estimation, pixel-to-pixel image-co-registration and DEM generation. We pro...
RESEARCH ON CHANGE DETECTION OF OUTDATED MAP ROAD FEATURE BASED ON UPDATED HIGH-RESOLUTION REMOTE SENSING IMAGE
Satellite remote sensing Change detection Image understanding Feature detection Updating matching High-resolution image
2015/12/31
This paper researched on change detection of outdated map road feature based on updated high-resolution satellite remote sensing (RS) image. The change of road feature was divided into two parts: one ...
IMPROVING CLASSIFICATION ACCURACY VIA CONTEXTUAL FEATURE RANKING IN HIGH SPATIAL RESOLUTION SATELLITE IMAGERY
High Spatial Resolution Classification Texture Quantization Feature Ranking SVM
2015/12/31
Texture quantization is a useful method for extraction spatial relevance between pixels which is used in humane brain for image interpreting. Beside the spectral bands textural features of high spatia...
IMAGERY TEXTURE ANALYSIS BASED ON MULTI-FEATURE FRACTAL DIMENSION
Texture Feature extraction Classification Reliability Precision
2015/12/31
Texture is the important spatial structure information and primary feature of remote sensing imagery. It contains the surface information of imagery and the relationship with around environment. First...
STUDY ON THE DISTRIBUTION CHANGES OF URBAN HEAT ISLAND BASED ON HEAT-GREENNESS FEATURE SPACE
Urban heat island NDVI radiance temperature LandSet
2015/12/31
Many scholars at home and abroad are extensive concerning about the forming mechanical of urban heat island phenomenon. According to correlation study, the surface temperature in the center of Beijing...