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Enya Song

mobile design

A New Calibration Experience

Turned a frustrating multi-step calibration process into a guided, user-tested experience that gets cameras set up right the first time.

Calibration instructions
Calibration flow - Screen 2
Calibration flow - Screen 3

context

Project Overview

The Challenge

Hudl's Focus Flex Camera relies on machine learning to identify field endpoints and orient recording automatically. When ML calibration falls short, users are handed a manual calibration flow as a fallback — a process that currently leaves users confused and frustrated.

The Solution

Reimagined the calibration process with a one-pin-at-a-time validation process. The final design, tested by beta users, was a high-fidelity prototype that was implemented into the app.

my role

What I Owned

Discovery & Research

  • User interviews
  • Survey Creation
  • Consolidating research to insights

Design & Prototyping

  • Pin Redesign
  • High-fidelity prototypes
  • Interactive flows

Testing & Validation

  • A/B user testing
  • Physical hardware testing

outcomes

Final Prototypes

The final design was a guided, one-pin-at-a-time calibration flow. This design was implemented into the app — you can view it here.

Tripod instructions

Camera calibration instructions

Start calibration

Giving Coaches More Confidence

Coaches can see exactly where each pin lands and trust that calibration will succeed.

Saving Time Searching for Corners

No more zooming and searching — each corner is pre-framed so users can place pins quickly and confidently.

Easy-to-Use Pin

The new pin design is easy to understand and see on a mobile screen.

methodology

The Process

1

User Research

To understand where users were feeling frustrated, I conducted the following research:

  • Analyzed past testing reviews from users via Dovetail
  • Sent surveys to beta users
  • Attempted the calibration myself as a new user
User Research
2

Pin Design

From this research, I found that most users struggled with the color, shape, and usability with the existing pin.

  • The white color of the pin got lost on a bright screen
  • The pin shape led users confused on if the circle or the point needed to be in the corner
  • Users would drag the pin with their thumb, covering the entire pin.
Pin Design
3

Ideation

After sketching and consulting with engineers and designers, we explored two approaches — calibrating with two pins at once vs. one-at-a-time — and built clickable Figma prototypes for both. In addition to building these prototypes, I tested various floating navigation and visual aids optimized for thumb use, iterating with the design team to land on a final structure.

Ideation
4

A/B User Testing

The testing focused on two scenarios: one where the user plotted two pins on a time (half the field at once), and the other scenario where the user plots one point at a time. I led the testing interviews for 10 beta users.

A/B User Testing

results

Testimonials

“It's a lot easier. I love this new calibration… It's been easy and quick and a lot more simplified than the previous one…

The fact that you know where you're plotting it — you're not guessing which pin goes where. You know exactly where you need to find it.”

Adam Hunter, Boys Academy Director at Century United