A Robust Deep Learning Approach to Pedestrian Detection via Thermal Imaging; When Cost-Benefits Go Wrong: Differences in Decision-making between Physical Product and Software Defects 395 views

The total amount of data in the world is projected to grow at an exponential rate in the past few decades. Consequently, much of this data is typically generated, collected, manipulated, or otherwise utilized via software like machine learning models. Despite this, no machine learning model or piece of software is perfect with regard to transparency, degrees of uncertainty, false positives or negatives, and/or bias. How a defect in a given product is handled, regardless of whether it is a physical product or a virtual one, has great implications on how much impact the defect has post-production. While physical products currently have extensive regulations for widely-accepted and standardized metrics like deviance and error tolerance, non-physical products like software and machine learning models do not have the same level of regulation from developers or third-party regulators. Notably, the decision making processes and developmental cycle of physical and non-physical products greatly differ. This also manifests into physical and non-physical software defects being handled differently. These differences in defect responses between physical products and software are explored in the STS paper. The technical project involves building a deep learning model to identify pedestrians given inputs of thermal imaging. This is different from traditional pedestrian detection models given that the only data inputted will be grayscale image data of pedestrians rather than full color RGB data. Thermal imaging has advantages over color data in that it is not affected to the same extent by weather conditions and features of the pedestrians themselves such as skin color. Metrics that the model will be evaluated on include how accurate predictions are as well as false positives. This STS research paper and Capstone project thus share their focus on addressing defects and biases in software and machine learning. Both of them involve examining the subjective nature of reporting process information and what constitutes an appropriate margin of error. While the STS research paper provides discourse on how decision making around defects in physical and non-physical products are handled differently, the technical project involved the creation and testing of a deep machine learning model to detect pedestrians and cyclists in real time using thermal imaging.

BS (Bachelor of Science)

Machine Learning; Actor Network Theory; Decision Making

School of Engineering and Applied Sciences Bachelor of Science in Systems Engineering Technical Advisor: Tariq Iqbal STS Advisor: Hannah Rogers Technical Team Members: Emir Sahin, Sander Abraham

English

2021-05-05