Rachel Fisher

Biomedical engineering

Hometown: Gilbert, Arizona, United States

Graduation date: Spring 2021

Rachel Fisher
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FURI | Spring 2021

Using Machine Learning to Quantify Colorimetric Assays from Cell Phone Photos

Finding a method to objectively quantify results of colorimetric assays without special equipment is important to increasing the accessibility and portability of point-of-care testing. Point-of-care testing is inexpensive, has quick response times, and has numerous applications ranging from roadside alcohol testing to detecting infections such as COVID-19 or HPV. The focus of this study is to design a machine learning algorithm that can quantify the concentration of samples on colorimetric alcohol test strips from cell phone photos taken under non-standard conditions. The accuracy of this algorithm will be evaluated and is expected to be able to adequately provide quantitative results.


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Additional projects from this student

Designing a machine learning model to classify test strips as positive or negative will increase accessibility of point-of-care testing.


  • FURI
  • Fall 2020