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NCT05547425 · ClinicalTrials.gov registry record · NA
WildCam: A Privacy Conscious Wearable Eating Detection Camera People Will Actually Wear in the Wild
A NA study, sponsored by Northwestern University.
- Completed
- Registry status
- NA
- Development phase
- 30
- Enrollment target
NCT05547425: Completed NA study, sponsored by Northwestern University.
NCT05547425 is a NA study that has completed, run by Northwestern University. The registered enrollment target is 30 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT05547425, a NA study, has completed, sponsored by Northwestern University.
- COMPLETED
- Registry status
- NA
- Development phase
- 30 participants
- Enrollment target
Study Summary
WildCam is a wearable device that collects video data of the user's face and upper torso to capture eating behaviors. WildCam and its accompanying software is privacy conscious, meaning it utilizes a computer vision algorithm that extracts proximal features (the user's body and objects-in-hand) from the video and digitally obfuscates the distal features (background environment and entities therein) to preserve the privacy of the wearer, as well as any bystanders who may be in the device's visual field. The present study tests the impact of 3 different obfuscation techniques on acceptability, including the willingness of users to wear the device. Participants are randomly assigned to 1 of the 3 obfuscation techniques (blurring, masking, or cartooning). Participants wear the WildCam during waking hours during a 7-day period with the randomly selected obfuscation setting enabled and a 7-day period with the raw images (no obfuscation) setting. The order of these periods is counterbalanced, and the two periods are separated by a 7-day washout period during which WildCam is not worn. Structured feedback, including user burden and acceptability surveys, is collected to determine the efficacy of each obfuscation technique on increasing user acceptability, including willingness to use the WildCam device, as opposed to a video-collecting device without obfuscation.
Primary Outcome
Average duration in minutes of data collected per day, calculated from video time stamps
Interventions
- DEVICE Blur Obfuscation
- DEVICE Cartoon Obfuscation
- DEVICE Edge Obfuscation
- DEVICE Raw images
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 30 participants |
| Start Date | 2022-09-20 |
| Est. Completion | 2023-03-21 |
| Phase | NA |
What the finished NCT05547425 record still lists
NCT05547425 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 30 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower).
The record links to 0 conditions, and to 4 interventions - of which Blur Obfuscation is the first listed.
NCT05547425 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT05547425 about?
NCT05547425 is a clinical study titled "WildCam: A Privacy Conscious Wearable Eating Detection Camera People Will Actually Wear in the Wild". WildCam is a wearable device that collects video data of the user's face and upper torso to capture eating behaviors. WildCam and its accompanying software is privacy conscious, meaning it utilizes a computer vision algorithm that extracts proximal features (the user's body and objects-in-hand) from...
What is the current status of trial NCT05547425?
This trial is currently completed. It is a NA study. The enrollment target is 30 participants. The study started on 2022-09-20. Estimated completion is 2023-03-21.
What interventions are being tested in trial NCT05547425?
The interventions under investigation include: Blur Obfuscation (DEVICE), Cartoon Obfuscation (DEVICE), Edge Obfuscation (DEVICE), Raw images (DEVICE).
Who is sponsoring clinical trial NCT05547425?
This trial is sponsored by Northwestern University, which has 1,209 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT05547425's enrollment target sits among peer trials
30 1593rd of 2000 higher than 299 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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