?url_ver=Z39.88-2004&rft_id=doi%3A10.1109%2FACCESS.2025.3543299&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Ikram&rft.aufirst=Sunnia&rft.au=Ikram%2C+Sunnia&rft.issn=2169-3536&rft.pages=35309-35321&rft.volume=13&rft.title=IEEE+Access&rft.atitle=Obstacle+Detection+and+Warning+System+for+Visually+Impaired+Using+IoT+Sensors&rft.date=Febrero+2025&rft.genre=article