نتایج جستجو برای: image processing techniques

تعداد نتایج: 1336790  

Saeed Shiry Sanaz Taleghani Siavash Aslani

In many autonomous mobile applications, robots must be capable of analyzing motion of moving objects in their environment. Duringmovement of robot the quality of images is affected by quakes of camera which cause high errors in image processing outputs. In thispaper, we propose a novel method to effectively overcome this problem using Neural Networks and Kalman Filtering theory. Thistechnique u...

Journal: :iranian journal of medical physics 0
fatemeh pak department of electrical, computer and it engineering, qazvin branch, islamic azad university, qazvin, iran hamidreza rashidy kanan department of electrical, computer and it engineering, qazvin branch, islamic azad university, qazvin, iran

introduction breast cancer is one of the most life-threatening conditions among women. early detection of this disease is the only way to reduce the associated mortality rate. mammography is a standard method for the early detection of breast cancer. today, considering the importance of breast cancer detection, computer-aided detection techniques have been employed to increase the quality of ma...

Bonyadi, Zahra,

The Mehdiabad zinc-lead deposit, which is located at the East of Mehriz city, is a carbonate-hosted ore deposit lying in the dolomitic rocks of Taft Formation. This deposit is composed of oxide-carbonate and sulfide ores. Different spectral processing techniques were applied to ASTER and Landsat 8-OLI multispectral images to detect different mineralization zones and associated alterations. In O...

Journal: :نشریه علمی - پژوهشی هیدرولوژی کاربردی 0
a.a rasouli university of tabriz, department of rs & gis, tabriz, azerbaijan, iran. k. chnung 2department of environmental sciences, macquarie university, sydney, australia. m. moharrami university of tabriz, department of rs & gis, tabriz, azerbaijan, iran. a. derafshi university of tabriz, department of rs & gis, tabriz, azerbaijan, iran.

the main aim of the present study was to map of urmia lake water surface diminishing rates over a long-term period, and demonstrating the most recent surface of emerged salty alluvial plains. for this purpose, landsat tm, etm+ and oli imageries, observing from 1984 to 2015, were progressively processed to generate most of the thematic models in tempo-spatial context. all multi-date satellite da...

Journal: :محیط شناسی 0
حسین نظم فر استادیار گروه جغرافیا و برنامه ریزی شهری دانشگاه محقق اردبیلی نادر سرمستی دانشجوی دکتری گروه ژئومورفولوژی دانشگاه محقق اردبیلی سید کاظم علوی پناه استاد گروه سنجش از دور و سیستم اطلاعات جغرافیایی دانشگاه تهران

introduction monitoring of salt lake dry areas is an important parameter for sustainable development and environmental protection. monitoring of dried areas of the salt lake requires extraction of thematic maps at different times. powerful tool for remote sensing of the earth different ecosystems, such as playa environments, is to produce valuable and useful data. the major causes of widespread...

Hanza region is located in the southern part of Urumieh–Dokhtar Metallogenic belt in southeastern Iran. This region includes six known porphyry copper deposits and it is considered as an ore- bearing region from geochemical point of view. The aim of this research is to examine effective processing techniques in the analysis of stream sediment geochemical datasets and ASTER satellite images. The...

Journal: :journal of advances in computer research 0

one of the most fundamental features of digital image and the basic steps in image processing, analysis, pattern recognition and computer vision is the edge of an image where the preciseness and reliability of its results will affect directly on the comprehension machine system made objective world. several edge detectors have been developed in the past decades, although no single edge detector...

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