Results 41 to 50 of about 194,223 (152)

Fuzzy segmentation for geographic object-based image analysis [PDF]

open access: yesSPIE Proceedings, 2009
Image segmentation partitions remote sensing images into image objects before assigning them to categorical land cover classes. Current segmentation methods require users to invest considerable time and effort in the search for meaningful image objects.
Lizarazo, Ivan, Elsner, Paul
openaire   +1 more source

Proses Segmentasi pada Object Based Imaged Analysis

open access: yesJurnal Ilmiah Mahasiswa Pertanian, 2022
Abstrak. Pemetaan jenis mangrove di Kota Langsa menggunakan metode segmentasi OBIA. Penelitian ini dilakukan untuk mengetahui tingkat akurasi pemetaan jenis mangrove. Penelitian dilakukan melalui beberapa tahapan kegiatan yaitu persiapan, pra pengolahan citra, analisis data, segmentasi dan klasifikasi, uji akurasi.
Mutiara Ramadhani   +2 more
openaire   +1 more source

Context Aware Modification on the Object Based Image Analysis [PDF]

open access: yesJournal of the Indian Society of Remote Sensing, 2015
Spectral similarities, spatial adjacencies and complex relationships between various object types lead to the recognition difficulties and ambiguities in complex urban areas. Using a knowledge base containing contextual information together with higher levels of modifications in the object based image analysis may improve recognition results in such a ...
Mahmoudi, Fatemeh Tabib   +2 more
openaire   +2 more sources

Object-based image analysis of suburban landscapes using Landsat-8 imagery

open access: yesInternational Journal of Digital Earth, 2019
Many experiments of object-based image analysis have been conducted in remote sensing classification. However, they commonly used high-resolution imagery and rarely focused on suburban area. In this research, with the Landsat-8 imagery, classification of
Ming Shang   +4 more
doaj   +1 more source

Discriminating crops/weeds in an upland rice field from UAV images with the SLIC-RF algorithm

open access: yesPlant Production Science, 2020
In this study, we propose a method for discriminating crops/weeds in upland rice fields using a commercial unmanned aerial vehicles (UAVs) and red-green-blue (RGB) cameras with the simple linear iterative clustering (SLIC) algorithm and random forest (RF)
Kensuke Kawamura   +4 more
doaj   +1 more source

High resolution remote sensing image segmentation based on graph theory and fractal net evolution approach [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
Image segmentation is the foundation of further object-oriented image analysis, understanding and recognition. It is one of the key technologies in high resolution remote sensing applications.
Y. Yang, H. T. Li, Y. S. Han, H. Y. Gu
doaj   +1 more source

Change Detection in Coral Reef Environment Using High-Resolution Images: Comparison of Object-Based and Pixel-Based Paradigms

open access: yesISPRS International Journal of Geo-Information, 2018
Despite increases in the spatial resolution of satellite imagery prompting interest in object-based image analysis, few studies have used object-based methods for monitoring changes in coral reefs.
Zhenjin Zhou   +5 more
doaj   +1 more source

Artifact-robust Object Segmentation Using Thresholding Based on Binarized Image Object Analysis (TB2IOA) in X-ray Computed Tomography

open access: yese-Journal of Nondestructive Testing

Xingyu Liu   +6 more
doaj   +1 more source

Operational Automatic Remote Sensing Image Understanding Systems: Beyond Geographic Object-Based and Object-Oriented Image Analysis (GEOBIA/GEOOIA). Part 1: Introduction

open access: yesRemote Sensing, 2012
According to existing literature and despite their commercial success, state-of-the-art two-stage non-iterative geographic object-based image analysis (GEOBIA) systems and three-stage iterative geographic object-oriented image analysis (GEOOIA) systems ...
Andrea Baraldi, Luigi Boschetti
doaj   +1 more source

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