An Evaluation of Pixel- and Object-Based Tree Species Classification in Mixed Deciduous Forests Using Pansharpened Very High Spatial Resolution Satellite Imagery
نویسندگان
چکیده
Quality tree species information gathering is the basis for making proper decisions in forest management. By applying new technologies and remote sensing methods, very high resolution (VHR) satellite imagery can give sufficient spatial detail to achieve accurate species-level classification. In this study, influence of pansharpening WorldView-3 (WV-3) on classification results three main (Quercus robur L., Carpinus betulus Alnus glutinosa (L.) Geartn.) has been evaluated. order increase accuracy, different algorithms (Bayes, RCS, LMVM) have conducted. The LMVM algorithm proved most effective technique. pixel- object-based were applied pansharpened imageries using a random (RF) algorithm. showed overall accuracy (OA) imagery: 92% 96% based approach, respectively. As expected, exceeded pixel-based approach (OA increased by 4%). fusion was analyzed as well. Overall improved images 7% approach). Also, regardless or approaches, use highly beneficial classifying complex, natural, mixed deciduous areas.
منابع مشابه
Object-Based Classification of UltraCamD Imagery for Identification of Tree Species in the Mixed Planted Forest
This study is a contribution to assess the high resolution digital aerial imagery for semi-automatic analysis of tree species identification. To maximize the benefit of such data, the object-based classification was conducted in a mixed forest plantation. Two subsets of an UltraCam D image were geometrically corrected using aero-triangulation method. Some appropriate transformations were perfor...
متن کاملMapping Urban Tree Species Using Very High Resolution Satellite Imagery: Comparing Pixel-Based and Object-Based Approaches
We assessed the potential of multi-spectral GeoEye imagery for biodiversity assessment in an urban context in Bangalore, India. Twenty one grids of 150 by 150 m were randomly located in the city center and all tree species within these grids mapped in the field. The six most common species, collectively representing 43% of the total trees sampled, were selected for mapping using pixel-based and...
متن کاملobject-based classification of ultracamd imagery for identification of tree species in the mixed planted forest
this study is a contribution to assess the high resolution digital aerial imagery for semi-automatic analysis of tree species identification. to maximize the benefit of such data, the object-based classification was conducted in a mixed forest plantation. two subsets of an ultracam d image were geometrically corrected using aero-triangulation method. some appropriate transformations were perfor...
متن کاملAn Object-Based Classification Approach in Mapping Tree Mortality Using High Spatial Resolution Imagery
In California, a newly discovered virulent pathogen (Phytophthora ramorum) has killed thousands of trees, including tanoak (Lithocarpus densiflorus), coast live oak (Quercus agrifolia), and black oak (Quercus kelloggii). Mapping the distribution of overstory mortality associated with the pathogen is an important part of disease management. In this study, we developed an object-based approach, i...
متن کاملPer-pixel vs. object-based classification of urban land cover extraction using high spatial resolution imagery
a School of Geographical Sciences and Urban Planning, Arizona State University, P.O. Box 875302, Tempe, AZ 85287-5302, United States b Global Institute of Sustainability, Arizona State University, PO Box 875402, Tempe, AZ 85287, United States c Department of Geography, Geology, and Anthropology, Indiana State University, Terre Haute, IN 47809, United States d Potsdam-Institute for Climate Impac...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Remote Sensing
سال: 2021
ISSN: ['2315-4632', '2315-4675']
DOI: https://doi.org/10.3390/rs13101868