搜索结果: 61-75 共查到“测绘科学技术 segmentation”相关记录166条 . 查询时间(0.031 秒)
Vehicle Extraction Using Histogram and Genetic Algorithm Based Fuzzy Image Segmentation from High Resolution UAV Aerial Imagery
Vehicle Extraction Histogram Genetic Algorithm Image Segmentation Unmanned Aerial Vehicle (UAV)
2015/12/9
In this paper, an approach for extracting vehicles from UAV aerial imagery is given. The approach is based on a fuzzy segmentation algorithm, which combine fuzzy c-partition and genetic algorithm, and...
Image Re-Segmentation Applied to Urban Imagery
Image interpretation Segmentation Computer Vision Feature detection Machine vision
2015/12/8
This article presents a new approach for image segmentation applied to urban imagery. Re-segmentation is so called because it uses a previous over-segmented image as input to generate a new set of obj...
Detection, Segmentation and Characterization of Vegetation in High-Resolution Aerial Images for 3D City Modeling
Pattern recognition classifi cation computer vision feature extraction segmentation urban planning
2015/12/4
An approach for tree species classification in urban areas from high resolution colour infrared (CIR) aerial images and the corresponding Digital Surface Model (DSM) is described in this paper. ...
Polygon Feature Extraction from Satellite Imagery Based on Colour Image Segmentation and Medial Axis
Feature Extraction Imagery Segmentation Semi-automation
2015/12/4
Areal features are of great importance in applications like shore line mapping, boundary delineation and change detection. This research work is an attempt to automate the process of extracting featur...
Indoor Navigation by Using Segmentation of Range Images Obtained by Laser Scanners
laser scanning localization mapping navigation robotics segmentation tracking
2015/11/23
This paper proposes a method to reconstruct the trajectory of a moving laser scanner on the basis of indoor scans made at different positions. The basic idea is that a position with respect to a measu...
AUTOMATIC ADAPTATION OF SEGMENTATION PARAMETERS APPLIED TO INHOMOGENEOUS OBJECTS DETECTION
Parameter Adaptation Parameter Tuning Object Detection Segmentation Genetic Algorithms Hough Transform
2015/11/16
Virtually all segmentation methods require parameter tuning, quite a difficult task, mostly performed manually through a
troublesome trial-and-error process. To overcome this difficulty, an earlier ...
FUZZY IMAGE SEGMENTATION FOR URBAN LAND-COVER CLASSIFICATION
Segmentation classifi cation land-cover image-regions image-objects fuzzy
2015/11/16
In this paper a general fuzzy approach for segmentation-based classification is proposed. Traditional segmentation techniques focus on
partitioning imagery into image-objects with well-deᤙ...
HIERARCHICAL WATERSHED SEGMENTATION OF CANOPY HEIGHT MODEL FOR MULTI-SCALE FOREST INVENTORY
LiDAR CHM Watershed segmentation Scale Crown delineation Forest inventory
2015/11/10
Canopy Height Model (CHM) is a standard LiDAR-derived product for deriving relevant forest inventory information, among which individual tree identification is a crucial task. The watershed algorithm ...
COMBINED TREE SEGMENTATION AND STEM DETECTION USING FULL WAVEFORM LIDAR DATA
LIDAR Analysis Segmentation Forestry Vegetation
2015/11/10
The study highlights a new method for the delineation of tree crowns and the detection of stem positions of single trees from dense airborne LIDAR data. At first, we combine a method for surface recon...
GLACIER SURFACE SEGMENTATION USING AIRBORNE LASER SCANNING POINT CLOUD AND INTENSITY DATA
Airborne Laser scanning Point cloud Segmentation Classification Intensity Glaciology
2015/11/10
As glaciers are good indicators for the regional climate, most of them presently undergo dramatic changes due to climate change. Remote sensing techniques have been widely used to identify glacier sur...
PLANAR FEATURE EXTRACTION IN TERRESTRIAL LASER SCANS USING GRADIENT BASED RANGE IMAGE SEGMENTATION
Terrestrial Laser Scanning Range Images Segmentation
2015/11/10
The paper presents a new segmentation algorithm, to be applied to terrestrial lasers scans of urban environments. The algorithm works directly in a range image. This is the fundamental laser scan data...
AUTOMATIC SEGMENTATION OF BUILDING FACADES USING TERRESTRIAL LASER DATA
TLS Point Cloud Three-dimensional Segmentation Algorithm Accuracy
2015/11/10
There is an increasing interest of the scientific community in the generation of 3D facade models from terrestrial laser scanner (TLS) data. The segmentation of building facades is one of the essentia...
PERFORMANCE ANALYSIS OF IMAGE FUSION TECHNIQUES BY IMAGE SEGMENTATION
image fusion content dependent quality performance Lifting wavelet transform image segmentation
2015/9/28
In remote sensing, the satellite images acquired form sensors exhibit either good spectral characteristics (multispectral data) or high spatial characteristics (panchromatic data). Image fusion is req...
OPTIMIZED IMAGE SEGMENTATION AND ITS EFFECT ON CLASSIFICATION ACCURACY
Image segmentation Segment based classification Variance Spatial autocorrelation Moran’s Index SPRING McNemar’s test
2015/9/28
Image segmentation is a preliminary and critical step in segment-based image analysis. Its proper evaluation ensures that the best segmentation result is used in image classification. In this paper, i...
CHANGE DETECTION AND LAND USE/LAND COVER DATABASE UPDATING USING IMAGE SEGMENTATION,GIS ANALYSIS AND VISUAL INTERPRETATION
Land cover database Updating Uncertainty Image segmentation Visual interpretation
2015/9/21
This article presents a hybrid method that combines image segmentation, GIS analysis, and visual interpretation in order to detect discrepancies between an existing land use/cover map and satellite im...