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Robotics Commons

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Full-Text Articles in Robotics

Enhancing 3d Visual Odometry With Single-Camera Stereo Omnidirectional Systems, Carlos A. Jaramillo Sep 2018

Enhancing 3d Visual Odometry With Single-Camera Stereo Omnidirectional Systems, Carlos A. Jaramillo

Dissertations, Theses, and Capstone Projects

We explore low-cost solutions for efficiently improving the 3D pose estimation problem of a single camera moving in an unfamiliar environment. The visual odometry (VO) task -- as it is called when using computer vision to estimate egomotion -- is of particular interest to mobile robots as well as humans with visual impairments. The payload capacity of small robots like micro-aerial vehicles (drones) requires the use of portable perception equipment, which is constrained by size, weight, energy consumption, and processing power. Using a single camera as the passive sensor for the VO task satisfies these requirements, and it motivates the …


Baseball Shagger, Anthony Velasquez, Nick Walker, Nathaniel Kai Paresa Jun 2018

Baseball Shagger, Anthony Velasquez, Nick Walker, Nathaniel Kai Paresa

Computer Engineering

The purpose of our project is to allow players to hit baseballs on a baseball field and not have to worry about picking them up. By combining our knowledge of software and hardware, we developed the first design of a robot that “shags” baseballs. Our endeavor was only partially successful. The device was tested on grass, turf, and concrete. The motors did not have enough torque to get moving on grass. The device faired better on turf where it could move, but was quite jerky as the motor drive needed to be high to start moving, but once it was …