Hi @user-4c21e5

the problem is data protection. We are still working on our concept. Another question: is it possible to increase the heart rate in the desktop version or is 160 the maximum?

ok thank you

I have used some eye tracking products in the past but would be new to pupil. I am considering a project that would use neon to record technical skill performance by health professions in a relatively dynamic, sometimes high-arousal environment. Does the Pupil Cloud/Player facilitate the analysis of such complex data? If not, is there another software package someone could recommend or is this idea beyond what the technology can support? Also, is the cloud HIPAA compliant?

Hi PL team! First of all, I wanted to let you know our measurement campaign last week went quite well using the PL Invisible device. We were able to remotely control the start and stop of measurements and send events in the meantime. The connection between companion phone and laptop was established using an ethernet cable and a USB hub (the one suggested on the website). However, for some unknown reason, sometimes the connection of the pc with the phone was lost. We could not end events nor stop the measurements, also not directly in the companion app on the phone. I also noticed that the glasses got a bit hot after a while - could this be related? The phone did not get too hot, as we mounted it in front of an airco grill of the car that was blowing cold air over it. Is this something that has been reported by customers before as well? Any info or possible actions to compensate for this behaviour would be welcome. Regards, Harald

Hi @user-e91538 ! Thank you for your detailed update on the measurement campaign using the PL Invisible device. It's nice to hear that the campaign went well overall and that you were able to remotely control measurements.

Regarding the intermittent connection loss between the companion phone and laptop, there could be several factors contributing to this issue, and it's hard to know without further information. It's possible that the USB hub or the Ethernet cable might have intermittent connectivity problems, leading to the loss of connection, so you may want to rule out the USB port and ethernet cable, trying a different one.

But it might be due to software, please check the laptop's network and battery management preferences, ensure that there is no power saving mode that might be switching off the connection, and that the wifi is not enabled (in the laptop or the phone, as it could be that it tries to connect to a different network, as you won't have internet access, leading to network preferences changes on the go...).

Regarding the heat, it's normal that after prolonged use, one of the arms become warmer, but that should not be an issue, and it won't affect the network connection.

EDIT: It slipped my radar, but I saw that you also had issues stopping the recording from the app, has this ever happened when starting the recording manually? Additionally, how are you starting the recordings and sending events, through the realtime API or directly sending POST requests to the HTTP REST API?

Hi, colleagues! I have a problem with downloading recordings to iMotions. It writes: no nesessary files. You have changed interface of Pupil Lab since my last visit. As I see some parametres of dowloading has been changed and the nesessary files that are listed at iMotions requirements are absent. Could you advice how I can solve this issue?

Hi @user-35fbd7 ! If you are looking for the Raw Data, you can still access it. You would just need to enable it on your workspace settings, please have a look at our previous messages https://discord.com/channels/285728493612957698/1047111711230009405/1108647823173484615

Once enabled, right-click on a recording and select Pupil Player Format; that's the raw data. Unfortunately, I don't recall which format iMotions software consumes, is any specific file required? Could you point me to the requirements?

Those should be included in the Pupil Player format, let us know if there is anything else we can do for you.

Hi @user-35fbd7! I am answering you here:

• Multipart recordings: There could be multiple video parts in the recording due to several reasons. For example, if you reached a certain file size and the app split it into multiple ones, or you had an error while recording and the recording had to be split. That is not an issue as both Pupil Cloud and Pupil Player merge them together and can handle this multipart recordings.
• iMotions: Unfortunately, I am not sure how iMotions handles multipart recordings, you would need to ask them.
• If by video recording - world+eye-tracking you mean creating a video with the gaze marker on top, this is definitely possible! this feature was previously named Gaze Overlay https://docs.pupil-labs.com/enrichments/gaze-overlay/ Since the last update on the Cloud, this feature is a bit more hidden, once you have created a project, click on "Analysis" at the bottom left and then to "+ New visualisation" on the top, then, select "Video Renderer", there you would be able to configure it and download it when its finished.

Multi-part recordings

Hello! Not sure if this is the right channel but I have some questions regarding analysis in pupil cloud. I read that we will soon be able to blur faces in scene video. Is this feature automatic or manual? If it is automatic is there any guarantee that all faces will be blurred or do we have to look through the video to doublecheck?

Hi I can not log into the cloud is there maybe an issue on your end?

Hi, I am having some issues logging into Pupil Cloud with a Google account. When I click log in with google the popup window appears and allows me to select a google account to log in with. Once the popup closes, the log in screen does not refresh. Are there any access issues to Pupil Cloud currently?

Hi @user-e91538 and @user-bdf59c! We can replicate the issue and are currently looking into it for a fix! We'll post updates as soon as they are available. Sorry for the inconvenience!

Hi @user-bdf59c , @user-e91538 ! I am glad to inform you that the Pupil Cloud login issues have been resolved, apologies again for the inconvenience, and let us know if there is anything else we can do for you.

I can not log in again. It worked but stopped working again @user-d407c1

Hi @user-e91538 ! I can't replicate it, could you please try to do a hard refresh in your browser? if that does not work, could you please send an email to info@pupil-labs.com with your account, which browser are you using and whether you use Google OAuth or not?

Will do thx!

@user-d407c1 the problem persits from our side, could you help! We would need a fast solution since we start field work at 11 am!

Hi @user-e91538 ! It has been solved now, we are taking measurements to prevent this to happen again, however, we did not have time to implement them yet 🙃

Hello, Out team had just purchased Pupil Invisible a few months ago and had ran into some issues of the App crashing/not responding. I did seven sessions, 20 mins each and the app were having issues in two of the sessions, Wondering if I can get some advices.

The first time was that after the participant took a 20 mins walk with the eye-tracker the app seemed crashed when he returned, the app showed the recording length was only 13mins so it must had crashed halfway and the video was corrupted. I was able to recover the video but the sampling rate looked a bit odd......

The second was when the participant returned for a 20 mins walk I could not stop the recording, tap the stop button and it suddenly shows that the recording was stopped, I can see the file name on the main screen but when looking at the recording folder it was not there and I was not prompted with an option to save the recording. As I cannot find the save option I tried to tap around and after tapped Recording with Notes the app crashed. And when reopening it says there was unsaved recovered recording and I save it, but when playing it although it shows the recording is 20 mins long the video playback was only 9 mins.

It seems that the recording was being broken down into two parts, PS1 is 9 mins long and for PS2 there are eye videos and gaze data, but the world video is 0kb. I am wondering if there is a way to recover it......

Hi @user-88386c ! Was there any error message on the phone when that happened? And could you share the Android.log.zip file of that recording with us at [email removed]

While it can happen that a recording get split due to an error or big file size, both Pupil Cloud and Pupil Player are prepared to handle multiple files recordings. However if the world video is 0kb, I am afraid there's nothing that can be done to recover it. Most probably the wearer knocked off the scene camera and no world video was recorded.

Another question, I tried to open the (good) recording downloaded from the Pupil Cloud and play them in Pupil Player but found that all I got is blank screen, Is there any settings I need to tweak to get it to work? (the file is playing fine in Pupil cloud)

I did a test and it seems that I can only read the file exported from the phone not the files downloaded from the Pupil Cloud, is there a way to make it works?

Hi  @user-88386c , Thanks for sending the logs, we will have a look at them. Regarding Pupil Player, might it be that you are downloading a different format? On Cloud, to download recordings in a compatible format with Pupil Player, you would need to enable "Raw Sensor Data" on your workspace.

See here: https://discord.com/channels/285728493612957698/1047111711230009405/1108647823173484615

Once enabled, right-click on a recording and select Pupil Player Format; that's the raw data Pupil Player consumes.

Hi Pupil Labs, the question has probably come up multiple times before but is there a way to analyze my recordings with a custom software solution (e.g., Matlab)? And if that was possible, would there be restrictions compared to Pupil Cloud? My colleague wants to automate the analyses as far as possible. I'm not willing to do so but I need to convince my colleague that Pupil Cloud offers the best solution... 😉

Hi pupil labs team! When using the real-time-api module I experienced the issue, that the mobile phone starts buzzing and I get the notification "(....) sensor is not detected, recording stopped" (something along those lines). When I simply start recording without the API I do not get the error. What could be the issue here?

Hi @user-d407c1. I am using the version pupil-labs-realtime-api==1.1.0.

''' `from pupil_labs.realtime_api.simple import Device

ip = "192.168.80.4"

device = Device(address=ip, port="8080") device.recording_start()

time.sleep(3)

t=0 c=0 b=0

while c < 30:#30 trials if b % 2==0: if t < 1: device.send_event(stimuli_names[t] + "_start") extro_intro_draw(Extro_condition) device.send_event(stimuli_names[t] + "_end") t=t+1 b=b+2 elif t == 1: device.send_event(stimuli_names[t] + "_start") extro_intro_draw(Intro_condition) device.send_event(stimuli_names[t] + "_end") t=t-1 c=c+1 b=b+1 else: device.send_event('Break' + '_start') break_draw(stimuli_break) device.send_event('Break' + '_end') b=b+1

device.recording_stop_and_save() win.close() core.quit()`

Sorry I do not get how to properly format code on discord! This code has been working just fine for ~15 participants. Thats why I am not sure if the code is really the problem here

There is a newer version of the API, but the changes are mostly to make it compatible with Neon. I would not bother to update it if it was working fine. Anyway seems like you can replicate the issue quite easily, would you be able to send a screenshot of the error you get to [email removed] We will follow up with some additional debugging steps

Hi @user-ace7a4 ! Could you start the streaming and gently wiggle the USB cable along its length and near the USB connectors. If there are disconnects or error messages, try to identify if they were caused by the USB cable itself or by the connectors. After that please reach out to info@pupil-labs.com with the results, we would be more than happy to delve into and figure out what is breaking there

@user-e91538 hi good morning. i have sent a mail regarding an update on the pick-up. kindly have a look.

When using the Pupil invisible, the worldcam is shown. Only the gaze is not shown. Is there some way in checking what is wrong?

Hi all! I have yet another question. Is it possible to batch process measurements in pupil cloud? I would like to apply the same processing on a large number of recordings - being exporting their raw data. Or will I have to do all of this by hand?

Hi there,

Recently our lab conducted a study looking at people's fixations when viewing Australian banknotes. We came across an interesting finding whereby no one was looking at the right side of the note. We thought this was strange and did some of our own piloting. We have looked at the banknote and picked 5 points to concentrate on, however when this is translated by the glasses fixations - it seems to have a leftward bias (see attached photo of generated reference mapper heatmap and pink dots indicating the actual places where we fixated). This is extremely problematic for our data as it is not accurately capturing where participants are looking at the banknote. Does your team have any potential post-hoc adjustments that can be made to our data to fix this error? 

Thanks in advance,

Monique

Note: We checked calibration was accurate for each participant prior to the experiment, yet still find the same problem for all...

Hi @user-4a6a05,

Thanks for your reply. - I'm not exactly sure what you mean about checking the accuracy of the gaze estimations. Do you mean the calibration? If so, we used a target stimuli that participants fixated on and adjusted the estimate there. - The raw video gaze estimate are not in the correct spot, despite calibrating for it to be in the correct spot. - I am using the Reference Image Mapper

I assume this parallax error is what is happening as the banknote is less than a meter away from participants.

I have heard of the offset correction feature - however it still glitches at times and returns back to being offset.

Are there any posthoc things that can be done as we have over 100 participants data with their gaze offset already?

I would like to add to this, I also found in a few of our recordings the gaze position were off a bit and would really like a way to post correct and then reupload it to the Pupil Cloud. I guess one challenge I found is the phone screen is really small and I have a fat finger so it is really hard to do an accurate calibration. What I ended up doing was to download the raw file from Pupil Cloud and post-correct the gaze with the plugin https://gist.github.com/papr/d3ec18dd40899353bb52b506e3cfb433 in Pupil Player and wrote my custom script for plotting, but of course I won't be able to utilize the Reference Image mapping technique.

A Pupil Cloud feature that allows post-correction or reupload the post corrected data will be great.

I am unable to enrichment in gaze overlay form. Erlier last mont I am able to extract gaze overlay enrichment but last for few days I am not getting gaze overlay in enrichment section of pupil cloud. Please can anyone help me from pupil invisible side. Thanks

Hello! I am trying to write a python script that gets the fixation data from the Invisible Companion App. As far as I understand you need to import the Export from the App to the Pupil Player and export it again to get the necessary data to get the fixations correct? I am doing that but I am struggling however to get the same fixations as the Pupil Cloud gives us. Does a tool exist to extract Fixations directly from the android app export? And is there any way to check what parameters the Pupil Cloud use for min_duration, max_duration, max_dispersion?

@&288503824266690561 sorry for the ping but we would like to get this done asap. Is there really no way to extract fixations just from the Data we get from the companion app?

Hi @&288503824266690561! Not sure if this is the right place to ask, but I've just been having trouble getting the Monitor web-based app to load on my computer and was wondering if I could get some help on that?

When going to the web-based app (http://pi.local:8080/) it simply says that the site cannot be reached. I tried using a hot spot wifi as I read about how sometimes public wifis do not allow for the connection, but it also did not solve my problem. Is that the right site I should be using?