搜索结果: 1-15 共查到“遥感信息工程 Object-based classification”相关记录16条 . 查询时间(0.12 秒)
TOPIC MODELLING FOR OBJECT-BASED CLASSIFICATION OF VHR SATELLITE IMAGES BASED ON MULTISCALE SEGMENTATIONS
Topic modelling Image classification Object-based Multiscale segmentation
2016/11/23
Multiscale segmentation is a key prerequisite step for object-based classification methods. However, it is often not possible to determine a sole optimal scale for the image to be classified because i...
COMPARISON OF DIFFERENT INTEGRATION TECHNIQUES OF ANCILLARY INFORMATION INTO AN OBJECT-BASED CLASSIFICATION PROCESS
ancillary information QuickBird geo-factors significance analysis of microarrays SAM cluster analysis
2015/9/17
As a contribution to a better understanding of the integration of different data sets into knowledge-based classification processes the presented study compares different data-fusion techniques which ...
AN OBJECT-BASED CLASSIFICATION PROCEDURE FOR THE DERIVATION OF BROAD LAND COVER CLASSES USING OPTICAL AND SAR DATA
SAR optical synergy land cover
2015/8/19
The availability of up-to-date and reliable land cover maps is of great importance for many earth science applications. For the generation of operational and transferable land cover products the devel...
DETECTING ROADS IN INFORMAL SETTLEMENTS SURROUNDING SAO PAULO CITY BY USING OBJECT-BASED CLASSIFICATION
Object-based classification urban sprawl road Ikonos update mapping
2015/8/19
Uncontrolled sprawl occurring in large cities of developing countries requires intensive mapping efforts to update geodatabases. The intense urbanization process experienced since the 70’s in Sao Paul...
A NEW METHOD OF VEGETATION MAPPING BY OBJECT-BASED CLASSIFICATION USING HIGH RESOLUTION SATELLITE DATA
Vegetation mapping High resolution IKONOS Segmentation Object Pixel Classification
2015/8/19
Continuous monitoring and updating of distribution maps is essential for conservation and management of plant communities,especially in regions where change and development are rapid. Traditional meth...
A PROCEDURE FOR AUTOMATIC OBJECT-BASED CLASSIFICATION
Object-based classification automatic classification geological faults fission tracks
2015/8/19
Object-based classification is a promising methodology. Unlike pixel-based techniques which only use the layer pixel values, the object-based techniques can also use shape and context information of a...
OBJECT BASED CLASSIFICATION OF L-BAND SAR DATA FOR THE DELINEATION OF FOREST COVER MAPS AND THE DETECTION OF DEFORESTATION
JERS ALOS L-band Forest Cover Forest Cover Change Kyoto ARD Object Based Classification
2015/8/19
This paper assesses the feasibility of forest cover mapping and the delineation of deforestation using Japanese Earth Resource Satellite (JERS-1) Synthetic Aperture Radar (SAR) data. The assessment is...
INTEGRATION OF ANCILLARY INFORMATION INTO OBJECT-BASED CLASSIFICATION FOR DETECTION OF FOREST STRUCTURES AND HABITATS
ancillary information forest structure forest habitats QuickBird object-based classification fuzzy logic
2015/8/19
The detection of forest types and structure parameters is of major importance for the design of forest inventories, for the application of forest management practices as well as for the monitoring of ...
Land Cover Change Detection Using Object-Based Classification Technique: A Case Study Along The Kosi River, Bihar
Multi-resolution Segmentation OBIA Feature Space Optimization Land Cover Land Cover Change LULC
2014/12/15
Land use/land cover (LULC) is dynamic in nature and can affect the ability of land to sustain human activities. The Indo-Gangetic plains of north Bihar in eastern India are prone to floods, which have...
Object-Based Classification of Multi-temporal Images for Agricultural Crop Mapping in Karacabey Plain, Turkey
Object-based Multi-temporal Crop Classification Mean-Shift Kompsat-2 Envisat ASAR
2014/9/29
The objective of this research is to classify major crop types cultivated in Karacabey Plain of north western Turkey using multitemporal Kompsat-2 and Envisat ASAR data with an object-based methodolog...
OBJECT-BASED CLASSIFICATION VS. PIXEL-BASED CLASSIFICATION: COMPARITIVE IMPORTANCE OF MULTI-RESOLUTION IMAGERY
LULC Feature Analyst Object-Based Classification Supervised Classification Unsupervised Classification PCA Multi Resolution
2014/6/12
Land Use/Land Cover (LULC) classifications have proven to be valuable assets for resource managers interested in landscape characteristics and the changes that occur over time. This study made a compa...
OBJECT-BASED CLASSIFICATION OF SPOT AND ASTER DATA COMPLEMENTED WITH DATA DERIVED FROM MODIS VEGETATION INDICES TIME SERIES IN A MEDITERRANEAN TEST-SITE
Object-based image analysis Land Cover Vegetation Multi-resolution SPOT ASTER MODIS
2014/6/12
A multi-scale object-based classification was carried out using data from three differentsensors to map classes of interest inthe framework of the EPISTIS project. This project aims to highlightthe sp...
OBJECT-BASED CLASSIFICATION USING ULTRACAM-D IMAGES FOR TREE SPECIES DISCRIMINATION (CASE STUDY: HYRCANIAN FOREST-IRAN)
Object-based classification Image segmentation Ground truth UltraCamD High spatial resolution
2014/6/12
This research has been conducted to evaluate the proposed object-based method with high spatial resolution airborne remote sensing data in tree species identification and mapping. It has been done in ...
FEATURE SELECTION METHODS FOR OBJECT-BASED CLASSIFICATION OF SUB-DECIMETER RESOLUTION DIGITAL AERIAL IMAGERY
object-based image analysis (OBIA) feature selection high resolution aerial photography vegetation classification accuracy
2014/6/12
The availability of numerous spectral, spatial, and contextual features renders the selection of optimal features a time consuming and subjective process in object-based image analysis (OBIA). While ...
HIERARCHICAL OBJECT-BASED CLASSIFICATION OF DENSE URBAN AREAS BY INTEGRATING HIGH SPATIAL RESOLUTION SATELLITE IMAGES AND LIDAR ELEVATION DATA
QuickBird Object-oriented classification LiDAR data Urban areas Shadows classification
2014/6/12
In Portugal, updating municipal plans (1:10 000) isrequired every ten years. High spatial resolution imagery has shown its potential for detailed urban land cover mapping at large scales. However, sha...