نتایج جستجو برای: quickbird
تعداد نتایج: 789 فیلتر نتایج به سال:
a r t i c l e i n f o Keywords: Extended pruning Multi-scale textural analysis Neural networks QuickBird Urban land-use Very high-resolution panchromatic data WorldView-1 The successful launch of panchromatic WorldView-1 and the planned launch of WorldView-2 will make a major contribution towards the advancement of the commercial remote sensing industry by providing improved capabilities, more ...
برای این منظور در این تحقیق از تصاویر ماهواره ای با رزولوشن بالای ماهواره های geoeye-1 و quickbird-1 جهت شناسایی تغییرات در منطقه مطالعاتی شهرک آزاد شهر واقع در ناحیه هشت از منطقه 22 استان تهران، استفاده شده است. تصاویر ماهواره ای quickbird-1 متعلق به سال 1385 و geoeye-1 متعلق به سال 1389 است. به منظور بهبود صحت آشکارسازی تغییرات، از آنالیز های شیءگرای تصاویر استفاده شد.در این پایان نامه هدف آش...
Surface imperviousness has proven to be a convenient and universal indicator to characterise environmental states and processes in the urban context. Geometric and spectral very high resolution data were hence employed in this study to quantify imperviousness for selected sites in the city of Berlin, Germany. HyMap data from 2003 and Quickbird data from 2002 were aquired for overlapping areas a...
Auf einer Maisfläche wurde ein Herbizid aus der Gruppe der Sulfonylharnstoffe gegen Ungräser teilflächenspezifisch appliziert. Vier Wochen später wurde diese Maisfläche mit dem QuickBird-Satelliten aufgenommen. Es zeigten sich deutliche Unterschiede zwischen den behandelten und nicht behandelten Teilschlägen. Die NDVI-Werte, welche die Vitalität eines Pflanzenbestandes widerspiegeln, lagen in d...
With the recent advancements in image processing techniques and the increasing availability of high resolution satellite imagery, one has an increased ability to characterize human attributes. This paper will study the effects that image fusion has on the classification of Quickbird satellite imagery over a rural area in Eastern India. Two panchromatic sharpening algorithms will be used and com...
Road extraction from satellite images is challenging research area in information extraction from high-resolution remote sensing images such as IKONOS and QUICKBIRD. The road from satellite images can be identified based on its geometric, spectral, topological and contextual properties as well as on various illumination and geographical environment. The road network extraction results in map ge...
This paper presents a methodology for quantifying the number of buildings that collapsed following the Bam earthquake. The approach is ‘object’ rather than ‘pixel’-oriented, commencing with the inventory of buildings as objects within high-resolution Quickbird satellite imagery captured before the event. The number of collapsed structures is computed based on the unique statistical characterist...
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