搜索结果: 1-15 共查到“工学 segment”相关记录30条 . 查询时间(0.109 秒)
LOCALIZED SEGMENT BASED PROCESSING FOR AUTOMATIC BUILDING EXTRACTION FROM LiDAR DATA
Building Extraction Footprint Extraction LiDAR Object Detection Point Cloud
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2017/7/13
The current methods of object segmentation and extraction and classification of aerial LiDAR data is manual and tedious task. This work proposes a technique for object segmentation out of LiDAR data. ...
COUPLING REGULAR TESSELLATION WITH RJMCMC ALGORITHM TO SEGMENT SAR IMAGE WITH UNKNOWN NUMBER OF CLASSES
SAR Image Segmentation Segmentation with Unknown Number of Classes Regular Tessellation RJMCMC Algorithm
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2016/11/23
This paper presents a Synthetic Aperture Radar (SAR) image segmentation approach with unknown number of classes, which is based on regular tessellation and Reversible Jump Markov Chain Monte Carlo (RJ...
A SEGMENT-BASED APPROACH FOR DTM DERIVATION OF AIRBORNE LIDAR DATA
LIDAR DTM Segment-based Topological
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2016/7/4
With the characteristics of LIDAR system, raw point clouds represent both terrain and non-terrain surface. In order to generate DTM, the paper introduces one improved filtering method based on the seg...
AN NOVEL THEORY TO SEGMENT ISO-SURFACE IN MARINE GIS 3D DATA
Marine GIS High Dimensions Data topology differential geometry Morse theory critical point digital Morse theory iso-surface image segmentation
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2015/12/29
Segmentation of 3D data (some time 4D data) is a very challenging problem in applications exploiting Marine GIS data. To tackle this problem, this paper proposes a topological approachbased on the Dig...
A Flow to Generate DEM and Segment Buildingin in Urban Areas from LIDAR Data
Lidar Fusion filter Digital elevation model Connected component labelling Mathematical morphology
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2015/12/8
Based on the character of Lidar data，this paper presents a fusion arithmetic to abstract DEM，and presents a flow to get building data from the object data. Firstly, this paper preprocesses the range i...
ON SEGMENT BASED IMAGE FUSION
Image fusion segmentation classification multisensor analyses
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2015/8/19
In this paper, we will investigate techniques for the combination of image fusion and segment based image analysis. We describe a color preserving iconic fusion with subsequent segmentation and classi...
AUTOMATED ROAD SEGMENT EXTRACTION BY GROUPING ROAD OBJECTS
Photogrammetry Vision Automation
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2015/6/1
This article presents an automatic methodology for extraction of road segments from high-resolution aerial images. The method is
based on a set of four road objects and another set of connection rule...
Investigation of Primary Mirror Segment’s residual errors for the Thirty Meter Telescope
Primary Mirror Segment Warping Harness Shack-Hartmann
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2015/5/12
The primary mirror segment aberrations after shape corrections with warping harness have been identified as
the single largest error term in the Thirty Meter Telescope (TMT) image quality error...
SEMI-AUTOMATED EDGE SEGMENT SPECIFICATION FOR AN INTERACTIVE MODELLING SYSTEM OF ROBOT ENVIRONMENTS
Modelling Semi-automation User interfaces On-line Robots
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2015/1/6
Interactive methods are well suited to telerobotics purposes. Based on the super-imposition of the model on video images,they provide a friendly way to acquire or update the environment model from an ...
A NEW SEGMENT SHAPE PARAMETER FOR GRID DATA AND ITS APPLICATION TO LAND USE SEGMENTATION
Shape Parameter Segmentation Land Use Algorithms Mathematical Models Radar
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2014/12/31
Various land applications require an image or image series to be divided into segments corresponding to areas of homogeneous land use. Image segmentation is needed to generate and update such GIS-stor...
EXPLOITING COLOR FOR EDGE EXTRACTION AND LINE SEGMENT STEREO MATCHING IN HIGH-RESOLUTION AERIAL IMAGERY
Image matching Multi-spectral data Automation Edge extraction Buildings
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2014/12/31
This paper investigates into the added value of color information for edge extraction and straight edge segment matching between stereo views. For edge extraction in color images different methods pro...
MULTI-IMAGE MATCHING USING SEGMENT FEATURES
feature-based matching computer vision multi-image matching quality control segment features
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2014/12/31
This paper presents a strategy for matching features in multiple images, which emphasises reliable matching and the recovery of feature extraction errors. The process starts from initial ‘good’ matche...
SEGMENTATION AND MODELING IN SEGMENT-BASED RECOGNITION
SEGMENTATION MODELING SEGMENT-BASED RECOGNITION
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2014/11/27
Recently, we have developed a probabilistic framework for segmentbased speech recognition that represents the speech signal as a network of segments and associated feature vectors [2]. Although in gen...
User-assisted Object Detection by Segment Based Similarity Measures in Mobile Laser Scanner Data
Segmentation Object Detection Semi-Automatic Mobile Mapping Systems Segment based Classification
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2014/9/9
This paper describes a method that aims to find all instances of a certain object in Mobile Laser Scanner (MLS) data. In a userassisted approach, a sample segment of an object is selected, and all sim...
A Novel Segment-Based Protection Algorithm for Multicast Sessions in Optical Networks with Mesh Topologies
Fiber optics optical communications Networks multicast
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2015/5/25
This work examines protection of multicast sessions in optical networks utilizing a novel segment-based algorithm called Level Protection. Our proposed scheme exhibits improved performance compared to...