搜索结果: 61-75 共查到“工学 Segmentation”相关记录253条 . 查询时间(0.234 秒)
An Accuracy Assessment Measure for Object Based Image Segmentation
Segmentation ASTRO BerkeleyImageSeg Ecognition Definiens
2015/12/17
Traditional approaches to accuracy assessment are inadequate for object oriented image processing. We tested some measures to assess the accuracy of object based image segmentation in a supervised con...
Multispectral IKONOS Image Segmentation Based on Vector Field Model
Land Cover Segmentation Image Processing Automation Feature Extraction Quickbird
2015/12/17
Image segmentation is a valuable approach that performs an object-based rather than a pixel-based analysis of high-spatial resolution satellite image. A multiscale approach for segmenting the pan-shar...
Automated Rock Segmentation for Mars Exploration Rover Imagery
Active Contour Edge Flow Feature Extraction Level Set Method
2015/12/17
Rock segmentation is important for the success of the Mars Exploration Rover mission and its scientific studies. In this paper, a framework for automated rock segmentation using texture-based image se...
Segmentation of Terrestrial Laser Scanning Data by Integrating Range and Image Content
Segmentation Terrestrial Laser Scanner Point Cloud,
2015/12/16
Terrestrial laser scanning is becoming a standard technology for 3D modeling of complex scenes. Laser scans contain detailed
geometric information, but still require interpretation of the data for ma...
Range Image Segmentation Using the Numerical Description of the Mean Curvature Values
Laser Scanner Range Image Segmentation Mean Curvature values
2015/12/16
In this paper we present a new efficient edge detection algorithm for the extraction of linear features in both range and intensity
image data. In the proposed algorithm the distinguished points, whi...
Segmentation Optimization for Aerial Images with Spatial Constraints
Image Segmentation Optimization Methods Parameter Estimation
2015/12/16
Unsupervised segmentation methods are important to extract boundary features from large forest vegetation databases. Finding optimized segmentation algorithms for images with natural vegetation is cru...
A Model for Segmentation and Distress Statistic of Massive Pavement Images Based on Multi-Scale Strategies
Image Processing Recognition Image Understanding
2015/12/14
Conventional distress detection method which dealing with each image through single algorithm and under single scale with lower
efficiency. A robust and high-efficiency model for segmentation and dis...
CLASSIFICATION OF URBAN FEATURE FROM UNMANNED AERIAL VEHICLE IMAGES USING GASVM INTEGRATION AND MULTI-SCALE SEGMENTATION
Classification UAV images GASVM segmentation
2016/1/15
The use of UAV in the application of photogrammetry to obtain cover images and achieve the main objectives of the photogrammetric mapping has been a boom in the region. The images taken from REGGIOLO ...
A NEW FRAMEWORK FOR OBJECT-BASED IMAGE ANALYSIS BASED ON SEGMENTATION SCALE SPACE AND RANDOM FOREST CLASSIFIER
Segmentation Scale parameter Object-based Image Analysis Land Cover Classification
2016/1/15
In this paper a new object-based framework is developed for automate scale selection in image segmentation. The quality of image objects have an important impact on further analyses. Due to the strong...
SEGMENTATION OF POLARIMETRIC SAR IMAGES USIG WAVELET TRANSFORMATION AND TEXTURE FEATURES
Segmentation Polarimetric Synthetic Aperture Radar (PolSAR) Wavelet Speckle Multiresolution Texture Feature
2016/1/18
Polarimetric Synthetic Aperture Radar (PolSAR) sensors can collect useful observations from earth’s surfaces and phenomena for various remote sensing applications, such as land cover mapping, change a...
APPLICABILITY OF MULTI-SEASONAL X-BAND SAR IMAGERY FOR MULTIRESOLUTION SEGMENTATION: A CASE STUDY IN A RIPARIAN MIXED FOREST
TerraSAR-X object based image analysis multiresolution segmentation estimation of scale parameter
2016/1/15
The increasing availability of synthetic aperture radar (SAR) data from a range of different sensors necessitates efficient methods for semi-automated information extraction at multiple spatial scales...
Markov Random Fields (MRF) - Based Texture Segmentation for Road Detection
Mapping Photogrammetry Vision Fusion Identification Monitoring Real-time Platforms
2015/12/9
Traffic observation from airplane platforms using digital cameras is a fairly new application of Video Image Detection Systems (VIDS). These systems are also particularly interesting for observations ...
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...
An Automatic Method Based on Gridding Segmentation for Trees' Classification in Forested Area
LIDAR Automatic Classification Gridding Segmentation
2015/12/8
In forestry applications, the great challenge is to automatically extract as much information as possible on forest structure, the vertical and horizontal distribution of vegetation, the delineation o...