There are a few other projects that have similar goals to OpenSeizureDetector that have started up while I have been working on this, which readers may like to look into:
- Charity or Open Source Projects
- This project (OpenSeizureDetector), especially the Pebble Smart Watch version – uses acceleration and fourier analysis to detect seizures, and uses the phone’s wifi or mobile network to raise alarms (no external servers required).
- PebbleSeizureDetect – An open source pebble based seizure detector utilising a band pass filter technique and SMS alarm initiation.
- Epdetect – an android app that uses the accelerometer in a mobile phone to detect seizures. I have had trouble with it crashing during testing.
- Michael Long is working on an opencv and raspberry pi video based detector – He is currently recording progress on his Epilepsee Facebook page, but is intending to move that to epilepsee.org.
- Gerhard Mullenbeck has done some interesting work interfacing to a commercial bed sensor, and also working on piezo electric sensors.
- The Dravet Foundation is working on something similar and I have been exchanging information with them – they were initially aiming to use a Microsoft Kinect sensor, but I think they are now looking at other detection methods. I am not aware of any published output from their work yet though.
- Commercial Projects
- Embrace watch uses accelerometers and skin conductivity to detect seizures using a machine learning technique. The manufacturer originally confirmed that there will be an API to access the data from the Embrace watch, so we could be able to use the same alarm infrastructure with Embrace as we have for the pebble version, but this has not been forthcoming yet, and the manufacturer is going into a subscription based business model, so they may not want to make an API available.
- Neutun has a Pebble watch based seizure detector. The watch app runs as a background process, so you can use the watch for something else too. When a seizure is detected it records it on the Neutun web site and they have an SMS based notification system for it. I believe this is now a subscription service (but may be wrong).
- Smart Monitor offer a pebble based seizure detector that utilises a subscription based web service.
- SAMi Sleep Activity Monitor: A video based detection system – uses an IP camera (looks like a Y-Cam Knight) and an iPhone or iPad to display the video and raise alarms. There is no Android version. The camera costs $399 USD, but the iPhone app is free. I’m not sure why the camera is so expensive – it implies it is cleverer than a simple IP camera.
- Brio Watch – uses heart rate variations to detect seizures. Costs about £400 but I do not know anything about its effectiveness.
- EpilepsyAlarms.co.uk – sell a wrist mounted sensor that can connect to a mobile phone. But it is eyewateringly expensive at £995 – ten times the cost of a pebble watch.
- Note that there are also several other commercial seizure detection systems available, but these all seem to rely on having a sensor underneath the patient, and there is no way I will be able to persuade Benjamin to lie on a sensor pad!
I am sure I have forgotten some – if you notice something missing, please email email@example.com and I will add it.