با همکاری انجمن مهندسان مکانیک ایران

نوع مقاله : مقاله پژوهشی

نویسندگان

گروه مکانیک بیوسیستم، دانشکده مهندسی فناوری، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران

چکیده

مکان‌یابی و ایجاد نقشه هم‌زمان (SLAM) گامی ضروری در خودکار نمودن عملیات‌های کشاورزی و در نتیجه اعمال کشاورزی دقیق می‌باشد. در این تحقیق با استفاده از یک دوربین استریو به مکان‌یابی و ایجاد نقشه هم‌زمان در محیط گلخانه با استفاده از چارچوب راس پرداخته شد. قبل از تهیه تصاویر استریو از محیط گلخانه دوربین کالیبره شده و مسیر حرکت دوربین در گلخانه طراحی و اعمال شد. مسیر طراحی شده دارای طول 7/32 متر و تعداد تصاویر گرفته شده در این مسیر 150 جفت تصویر استریو بود. جهت ارزیابی الگوریتم طراحی شده، میزان خطای مکان‌های تخمین زده شده به‌وسیله الگوریتم با مکان‌های واقعی دوربین استریو با استفاده از فاصله اقلیدسی محاسبه شد. نتایج حاصل از این تحقیق نشان داد که الگوریتم معرفی شده دارای میانگین خطای مکان‌یابی 0679412/0 متر، انحراف معیار 0456431/0 متر و ریشه میانگین مربع خطای 0075569/0 متر برای مسافت 7/32 متری پیموده شده توسط دوربین استریو می‌باشد.

کلیدواژه‌ها

Open Access

©2020 The author(s). This article is licensed under Creative Commons Attribution 4.0 International License (CC BY 4.0), which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source.

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