搜索结果: 1-15 共查到“摄影测量与遥感技术 dense”相关记录42条 . 查询时间(0.088 秒)
A CASE STUDY ON THROUGH-WATER DENSE IMAGE MATCHING
Multi-media photogrammetry semi global matching bathymetry hydrography shallow water mapping dense point clouds multi-spectral images
2018/6/4
In the last years, the tremendous progress in image processing and camera technology has reactivated the interest in photogrammetrybased surface mapping. With the advent of Dense Image Matching (DIM),...
MONITORING GROUND SUBSIDENCE IN AREAS COVERED BY DENSE VEGETATION USING TERRASAR-X IMAGES:A CASE STUDY OF HANGZHOU
Ground subsidence InSAR high resolution TerraSAR-X Hangzhou
2016/11/23
Hangzhou, the capital of Zhejiang province has suffered serious ground subsidence during the past several decades, due to long term over-exploration of groundwater. In this paper, the time series InSA...
UAV AERIAL SURVEY: ACCURACY ESTIMATION FOR AUTOMATICALLY GENERATED DENSE DIGITAL SURFACE MODEL AND ORTHOTHOTO PLAN
Aerial photography Mobile laser scanning Unmanned aerial vehicles (UAVs) Accuracy estimation Digital surface model
2016/11/15
A dense digital surface model is one of the products generated by using UAV aerial survey data. Today more and more specialized software are supplied with modules for generating such kind of models. T...
MAPPING ALPINE VEGETATION LOCATION PROPERTIES BY DENSE MATCHING
Vegetation close-range photogrammetry structure from motion dense matching mountain research MicMac GLORIA
2016/11/11
Highly accurate 3D micro topographic mapping in mountain research demands for light equipment and low cost solutions. Recent developments in structure from motion and dense matching techniques provide...
EVALUATING DENSE 3D RECONSTRUCTION SOFTWARE PACKAGES FOR OBLIQUE MONITORING OF CROP CANOPY SURFACE
structure-from-motion csm crop surface monitoring 3D oblique vegetation monitoring comparison
2016/11/11
Crop Surface Models (CSMs) are 2.5D raster surfaces representing absolute plant canopy height. Using multiple CMSs generated from data acquired at multiple time steps, a crop surface monitoring is ena...
DENSE IMAGE MATCHING FOR MARS EXPRESS HRSC IMAGERY BASED ON PRECISE POINT PREDICTION METHOD
Mars Exploration Planetary Photogrammetry Mars Topographic Mapping Image Matching High Resolution Stereo Camera
2016/11/8
Currently, Mars Express HRSC imagery is an essential data source to derive high accuracy Mars topographic data. In view of the characteristics of Martian surface satellite imagery, a dense image match...
AUTOMATIC 3D BUILDING RECONSTRUCTION FROM A DENSE IMAGE MATCHING DATASET
3D reconstruction buildings dense image matching data integration
2016/7/28
Over the last 20 years the demand for three dimensional (3D) building models has resulted in a vast amount of research being conducted in attempts to automate the extraction and reconstruction of mode...
HYBRID-BASED DENSE STEREO MATCHING
Edge Constraint Shape-adaptive Cross-based Stereo Matching Semi-Global Matching Penalty Estimation
2016/7/27
Stereo matching generating accurate and dense disparity maps is an indispensable technique for 3D exploitation of imagery in the fields of Computer vision and Photogrammetry. Although numerous solutio...
AN AERIAL-IMAGE DENSE MATCHING APPROACH BASED ON OPTICAL FLOW FIELD
Dense Matching Mean-SIFT Optical Flow Interpolation Multi-Constraints RANSAC
2016/7/27
Dense matching plays an important role in many fields, such as DEM (digital evaluation model) producing, robot navigation and 3D environment reconstruction. Traditional approaches may meet the demand ...
3D Building Reconstruction Using Dense Photogrammetric Point Cloud
Building reconstruction UAV Point Cloud Data-driven Occlusion
2016/7/27
Three dimensional models of urban areas play an important role in city planning, disaster management, city navigation and other applications. Reconstruction of 3D building models is still a challengin...
DENSE IMAGE MATCHING WITH TWO STEPS OF EXPANSION
Dense Image Matching Two Frames Expansion Seed-and-Grow No Geometric Constraint Adaptive
2016/7/27
Dense image matching is a basic and key point of photogrammetry and computer version. In this paper, we provide a method derived from the seed-and-grow method, whose basic procedure consists of the fo...
DENSE 3D POINT CLOUD GENERATION FROM UAV IMAGES FROM IMAGE MATCHING AND GLOBAL OPTIMAZATION
Image matching 3D Point Cloud UAV global optimization
2016/7/5
3D spatial information from unmanned aerial vehicles (UAV) images is usually provided in the form of 3D point clouds. For various UAV applications, it is important to generate dense 3D point clouds au...
Dense urban DEM with three or more high-resolution aerial images
stereo 3-D reconstruction DEM image matching high-resolution aerial imagery
2016/5/20
In cartographic applications, area-based matching techniques are commonly used for stereo matching of low-resolution aerial images.However, these techniques fail in matching high-resolution aerial ima...
MAPPING AND UPDATING MAPS IN DENSE URBAN REGIONS USING HIGH RESOLUTION DIGITAL AIRBORNE IMAGERY,SURFACE MODELS AND OBJECT-BASED CLASSIFICATION
Classification HRSC-AX Ultracam Feature detection Multi-spectral remote sensing Airborne remote sensing
2015/12/31
Over the last couple of years more and more analogue airborne cameras were replaced by digital cameras. Digitally recorded image data show significant advantages to film based data. Digital aerial pho...
ACCURACY OF CROWN SEGMENTATION AND ESTIMATION OF SELECTED TREES AND FOREST STAND PARAMETERS IN ORDER TO RESOLUTION OF USED DSM AND NDSM MODELS GENERATED FROM DENSE SMALL FOOTPRINT LIDAR DATA
Airborne Scanner System Segmentation Aerial photogrammetry Comparative analysis Forestry
2015/12/23
The purpose of this study is to categorize how different surface model resolutions impact the estimation of trees and forest stands parameters: number of recognized trees, crown area, treetop location...