Vaneeza Mehmood, Ramesha Murtaza, Zuhair Zafar, National University of Sciences and Technology (NUST), Islamabad, Pakistan, Pakistan; Muhammad Shahzad, Technical University of Munich (TUM), Germany; Karsten Berns, Robotics Research Lab, Technical University of Kaiserslautern, Germany, Germany; Muhammad Moazam Fraz, National University of Sciences and Technology (NUST), Islamabad, Pakistan, Pakistan