搜索结果: 16-30 共查到“测绘科学技术 image matching”相关记录59条 . 查询时间(0.095 秒)
SENTINEL-1 IMAGE MATCHING USING STRONG SCATTERS
SAR image matching Santinel-1 strong scatter multi quadric least square matching
2016/1/15
The availability of new radar spaceborne sensors offers new interesting potentialities for the geomatics application: spatial and temporal change detection, generation of Digital Elevation Model(DEM) ...
DEVELOPMENT OF NEUROMORPHIC SIFT OPERATOR WITH APPLICATION TO HIGH SPEED IMAGE MATCHING
Neuromorphics SIFT Image Matching FPGA Neural Network
2016/1/18
There was always a speed/accuracy challenge in photogrammetric mapping process, including feature detection and matching. Most of the researches have improved algorithm's speed with simplifications or...
ACCURACY IMPROVEMENT BY THE LEAST SQUARES IMAGE MATCHING EVALUATED ON THE CARTOSAT-1
DEM Accuracy Improvement LSM Parallel Projection Geometry
2016/1/15
Generating accurate elevation data from satellite images is a prerequisite step for applications that involve disaster forecasting and management using GIS platforms. In this respect, the high resolut...
The use of airborne video data is gaining increasingly attention in the photogrammetric community. This interest is driven by theavailability of low-cost sensor platforms like UAV and low-cost sensors...
Multi-Image Matching Using Neural Networks and Photogrammetric Conditions
Image matching Neural networks coplanarity condition collinearity condition correlation
2015/12/4
Automatic determination of three dimensional information from digital images is a fundamental problem in digital photogrammetry and computer vision. The hardest part of the problem is finding conjugat...
Issues for Image Matching in Structure from Motion
Computer Vision Matching Accuracy Analysis Machine Vision Close Range Photogrammetry Sensor orientation
2015/12/4
This paper discusses issues for matching point features in structure from motion, i.e., pose estimation and 3D reconstruction. As ourbuilding block are image triplets for which matches can be checked ...
An Integrated Feature Based Method for Sub-Pixel Image Matching
Feature-Based Method Sub-pixel Accuracy Surface Fitting Image Matching
2015/11/24
Feature matching is to find the pair-wise corresponding features in the reference and sensed images. The features can be an edge, a corner, an end point, a line or a curve, etc. Image matching as the ...
Multi-Image Matching for DTM Generation from SPOT-5 HRS/HRG and IRS-P5 Imagery - For the Project of West China Topographic Mapping at 1:50,000 Scale
Geometrical Constrained Cross-Correlation
2015/11/23
High-resolution satellite images (HRSI) at sub-5m footprint such as IKONOS, IRS-P5 (CartoSat-1) and SPOT-5 HRG/HRS images are becoming increasingly available to the earth observation community and the...
A Hybrid Method for Stereo Image Matching
Photogrammetry Matching Feature Extraction DEM/DTM
2015/11/23
The accuracy of the 3D models of the Earth surface based on stereoscopic image pairs depends on the accuracy of corresponding points located in both images. Area-based automatic image matching combine...
3D TREETOP POSITIONING BY MULTIPLE IMAGE MATCHING OF AERIAL IMAGES IN A 3D SEARCH VOLUME BOUNDED BY LIDAR SURFACE MODELS
Forest Inventory Remote Sensing Single Tree Mapping Height Estimation Allometric Modelling
2015/8/31
This paper presents a method for semi-automatic 3D positioning of tree tops that can be used for obtaining tree maps of the photovisible trees and tree heights. Such spatio-temporal, detailed informat...
AUTOMATED DTM GENERATION FOR LOW TEXTURED IMAGES USING MULTIPLE PRIMITIVE MULTI-IMAGE MATCHING (MPM)
Accuracy Archaeology Adjustment
2015/8/28
In the frame of our long term, interdisciplinary Nasca/Palpa project, conducted in a close cooperation between our group and
archaeologists from the German Archaeological Institute (DAI, KAAK Bonn), ...
3D TREETOP POSITIONING BY MULTIPLE IMAGE MATCHING OF AERIAL IMAGES IN A 3D SEARCH VOLUME BOUNDED BY LIDAR SURFACE MODELS
Forest Inventory Remote Sensing Single Tree Mapping Height Estimation Allometric Modelling
2015/8/28
This paper presents a method for semi-automatic 3D positioning of tree tops that can be used for obtaining tree maps of the photovisible trees and tree heights. Such spatio-temporal, detailed informat...
A New Image Matching Algorithm with Modified Greedy Algorithm for Remote Sensing Imagery
SUSAN Modified Greedy Algorithm Local Reliability Constraint
2015/8/17
This paper proposes a new approach to image matching by epipolar constraint and local reliability constraint for Remote Sensing
Image. We define a new measure of matching support according to the loc...
Similarity measures of full polarimetric SAR images fusion for improved SAR image matching
SAR Image Matching, Logarithmically Image Transformation, NCC Measure, Information-based Entropy, Similarity Measures Fusion, Full Polarimetric SAR Data
2015/7/27
China’s first airborne SAR mapping system (CASMSAR) developed by Chinese Academy of Surveying and Mapping can acquire high-resolution and full polarimetric (HH, HV, VH and VV) Synthetic aperture radar...
Determination of Terrain Models by Digital Image Matching Methods
DEM/DTM Matching Hierarchical
2015/7/7
Today, digital terrain models (DTMs) are used in many fields of science and practice. When modelling the earth’s surface it is
necessary to make a clear distinction between terrain models, i.e. model...