پديد آورنده :
تقي زاده دهكردي، مريم
عنوان :
بررسي عملكرد فيلترهاي گسسته و طراحي الگوريتمي بهبود يافته جهت شناسايي خطواره ها در تصاوير ماهواره اي چند طيفي
مقطع تحصيلي :
كارشناسي ارشد
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده برق و كامپيوتر
صفحه شمار :
ده، 85، [II]ص.: مصور، جدول، شكل﴿رنگي﴾، نمودار
استاد راهنما :
سعيد صدري، نادر فتحيان پور
توصيفگر ها :
تابش الكترومغناطيسي , جذب د ر اتمسفر , تفكيك طيفي، زماني، راديو متريك , هيستوگرام , يسط كنتراست , فيلترنيگ كانولوش، فركانس , تصحيح هندسي، توپوگرافي
تاريخ ورود اطلاعات :
1396/10/26
رشته تحصيلي :
برق و كامپيوتر
دانشكده :
مهندسي برق و كامپيوتر
چكيده فارسي :
به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي
چكيده انگليسي :
AbstractIt is well known among geoscientiststhat detecting spatial distribution of structuralfeaturessuch as cracks faults foldings and shearedzonesas major key controllersofforming and establishment manymineral depositsand in particular metallic oreshas ofa significant influence on the success any prospectingand explorationprogram in ofmining industry In order to detect such featuresit is necessary identify lineaments linear features tocontained in satellite images To achieve such goal the image edgesare determinedusing Cannyalgorithmincluded in Matlab imageprocessingtoolbox first Consequentlythe lineamentsin the image are plotted using Hough transformthat is implementedviaradon transform in Matlab environment and aiding additionalmulti dimensionalscalingalgorithm andplotting modules To test the validity of the developedprocedure the multispectral digital satellite datafrom Irankuh Pb Zn ore bearing region located south eastof Isfahanwere employed Initially the geometricand topographiccorrectionswere performedon raw satellitedatafollowed by producingfalse color compositandsupervised classificationmaps Through running the algorithm on preprocessed mapsthe validity and capability of itsfunctioning on detecting lineaments were proved Results show that most of thepreviously plotted lineaments mainly faults using aerial photos are in agreement withthe lineaments drawn on sattelite images using current algorithm with minor spatialoffsetting due to different coordinatesystemsof the used sourcemaps Additionally itwas found that the newly developedalgorithm has also detectedlineamentsassociatedwith geological layerings geological boundaries water stream lines drive paths androadsthat are normally not relatedto the structuralphenomena d j I r lil1 II 1 JI
استاد راهنما :
سعيد صدري، نادر فتحيان پور
