AprilTag Detector
AprilTag Detector is made and published by Sean M. Messenger. AppBrain is an independent app data site and isn't affiliated with Sean M. Messenger. The app name, icon, screenshots and description belong to Sean M. Messenger and are shown as published on Google Play.
AppBrain's verdict
Niche- Rating on Google Play
- 4.83
- 16 ratings
- Installs
- 4.2 thousand
- Last updated
- February 28, 2023
- Ads
- No ads
- Size
- 1.38 MB
AprilTag Detector is a niche app, with 4.2 thousand installs. It doesn't have enough ratings yet to judge what users think.
User feedback
Ratings and reviews on Google PlayComments on AprilTag Detector for Android
Google Play Rating history and histogram
Store listing
By Sean M. Messenger, from Google Play“Recognizes AprilTags with the live camera view.”
Description by Sean M. Messenger Written by the developer, not by AppBrain. Click to read.
Supported tag families include:
- 36h11 (recommended)
- 36h10
- 25h9
- 25h7
- 16h5 (used by FIRST Robotics Competition in 2023)
Performance is based on user settings and devices, if you're running into slow detections, consider increasing the decimation factor or number of threads used.
The app is open source and available here: https://github.com/johnjwang/apriltag-android
The core tag detection is from University of Michigan's APRIL Robotics Lab, which is distributed with the BSD 2-Clause License and is available here: https://github.com/AprilRobotics/apriltag
Recent changes:
3x improvement in detection speed, 10 Hz easily feasible for most reasonable settings/phones.
Decoupled camera, detections, and tag rendering.
Improved rendering for detections: shades region, more visible axes, and tag ID is rendered.
Add max hamming error parameter, defaults to 0 instead of the previous fixed 2. Reduces false positives on 16h5 particularly.
Increase default decimation to 8, add higher options.
Increase default nthreads to 4.
Add diagnostics options.
Misc. bug fixes.
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- ?
- App size
- 1.38 MB
- Content rating
- Everyone
Technologies used by AprilTag Detector
Releases
Updates seen on Google Play- Version
- 1.2
- Launched
- January 2023
Alternatives
Similar apps and more from Sean M. MessengerAlternatives to AprilTag Detector
Installs
Tracked by AppBrain- Last 30 days
- 35
- Play install range
- 1+ thousand
- Launched
- January 2023
Installs over time
AprilTag Detector has been installed 4.2 thousand times. Over the past 30 days, it has been installed 35 times.
Rankings
Google Play top chartsGoogle Play Rankings for AprilTag Detector
About the app and developer
About AprilTag Detector
AprilTag Detector is a tools app developed by Sean M. Messenger.
Install Statistics
AprilTag Detector has been installed 4.2 thousand times. In the last 30 days, the app was installed 35 times.
User Ratings
AprilTag Detector is rated 4.83 out of 5 stars. The rating is based on 16 ratings.
App Information
AprilTag Detector is freely available from Google Play. The app size is 1.38 MB. The latest version available is 1.2. The last update was on February 28, 2023.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play since January 2023.
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