نتایج جستجو برای: شاخص مطلوبیت زیستگاه hsi
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تغییرات کاربری اراضی در سالهای اخیر منجر به تخریب و تکهتکه شدن زیستگاههای طبیعی و درنتیجه کاهش تنوع زیستی جهانی گردیده است. در این میان، پستانداران بزرگ جثه بیش از سایر گونهها به دلیل فعالیتهای انسانی در معرض خطر انقراض قرارگرفتهاند. نیاز غذایی گوشتخواران موجب افزایش تعارضات میان این گونهها و انسان و درنتیجه آسیبپذیری آنها در سالهای اخیر شده است. جمعیت خرس قهوهای بهعنوان گونه چتر ...
پارک ملی خجیر در شرق کلان شهر تهران بهدلیل برخورداری از کوههای متعدد، ازجمله زیسـتگاههای مناسب گونه پازن (Capra aegagrus aegagrus) میباشد. تهدیدات و تعارضاتانسانی موجود در پارک، گونه پازن را از برخی زیستگاههای مناسب جدا کرده و محلهای حضور جمعیتهای این گونه را در برخی مناطق محدود نموده است. بهمنظور مدلسازی زیستگاه این گونه، از روش تجزیه و تحلیل عاملی آشیان بومشناخت...
Hyperspectral imagery (HSI) typically provides a wealth of information captured in a wide range of the electromagnetic spectrum for each pixel in the image. Hence, a pixel in HSI is a high-dimensional vector of intensities with a large spectral range and a high spectral resolution. Therefore, the semantic interpretation is a challenging task of HSI analysis. We focused in this paper on object c...
A number of different interaction modalities have been proposed for human engagement with networked systems. In this paper, we establish formal guarantees for whether or not a given such human-swarm interaction (HSI) strategy is appropriate for achieving particular multi-robot tasks, such as guiding a swarm of robots into a particular geometric configuration. In doing so, we define what it mean...
PROBLEM/CONDITION Heat stress illness (HSI), also known as heat-related illness, comprises mild heat edema, heat syncope, heat cramps, heat exhaustion (the most common type of HSI), and heat stroke (the most severe form). CDC's Environmental Public Health Tracking Program receives annual hospitalization discharge data from 23 states that are used to assess and monitor trends of HSI hospitalizat...
Form Approved OMB No. 0704-0188 Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing this collection of information. Send comments regarding this burden estimate or any other aspect of this coll...
Displaying the large number of bands in a hyperspectral image (HSI) on a trichromatic monitor is important for HSI processing and analysis system. The visualized image shall convey as much information as possible from the original HSI and meanwhile facilitate image interpretation. However, most existing methods display HSIs in false color, which contradicts with user experience and expectation....
This paper introduces the concept and principles of hyperspectral imaging (HSI) and it briefly outlines how the defence and homeland security sectors can benefit from the application of this extremely versatile technology. This paper outlines the pros and cons of the various HSI system configurations, with particular emphasis on two of the most commonly deployed spectrograph techniques, namely,...
OBJECTIVE Although high-speed imaging (HSI) has been identified as a valuable tool in phonatory biomechanics research, to date, there have only been a selected number of reports investigating the clinical utility of HSI. We aim to elucidate the role of HSI in the diagnosis of the dysphonic patient. METHODS The video files from 28 consecutive dysphonic patients with concurrently acquired video...
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