Date Available

12-4-2018

Year of Publication

2018

Document Type

Master's Thesis

Degree Name

Master of Science in Electrical Engineering (MSEE)

College

Engineering

Department/School/Program

Electrical and Computer Engineering

Advisor

Dr. Daniel L. Lau

Abstract

Structured Light Imaging (SLI) is a means of digital reconstruction, or Three-Dimensional (3D) scanning, and has uses that span many disciplines. A projector, camera and Personal Computer (PC) are required to perform such 3D scans. Slight variances in synchronization between these three devices can cause malfunctions in the process due to the limitations of PC graphics processors as real-time systems. Previous work used a Field Programmable Gate Array (FPGA) to both drive the projector and trigger the camera, eliminating these timing issues, but still needing an external camera. This thesis proposes the incorporation of the camera with the FPGA SLI controller by means of a custom printed circuit board (PCB) design. Featuring a high speed image sensor as well as High Definition Multimedia Interface (HDMI) input and output, this PCB enables the FPGA to perform SLI scans as well as pass through HDMI video to the projector for Spatial Augmented Reality (SAR) purposes. Minimizing ripple noise on the power supply by means of effective circuit design and PCB layout, realizes a compact and cost effective machine vision sensing solution.

Digital Object Identifier (DOI)

https://doi.org/10.13023/etd.2018.472

Funding Information

Grant Intel/NSF VEC 1538950

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