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@@ -15,9 +15,11 @@ Picture this: Build and customise scanpath visualisations with your Reference Im | |
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## Visualising Gaze Exploration With Scanpaths | ||
Check warning on line 17 in alpha-lab/scanpath-rim/index.md GitHub Actions / ✍️ Check spelling
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Scanpaths are graphical representations of gaze over time. They show how an observer has focused attention on different aspects of a scene, making them a valuable tool for understanding a person's visual attention and perception. The video above illustrates this concept. It shows: | ||
- Fixation locations, visualised as numbered circles | ||
- Fixation durations, which are mapped to the size of the circles. Longer fixations correspond to larger circles. | ||
Scanpaths are graphical representations of gaze behaviour over time. They show how an observer has focused attention on different aspects of a scene, making them a valuable tool for understanding a person's visual attention and perception. The video above illustrates this concept. It shows: | ||
- Fixation locations - Visualised as numbered circles | ||
- Fixation durations - Mapped to the size of the circles. Longer fixations correspond to larger circles | ||
- Saccades - Represented by lines connecting sequential fixations | ||
- Saccade distances (between sequential fixations) - Reflected by the length of the lines. Longer lines correspond to bigger gaze shifts | ||
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In this guide, we will show you how to generate static and dynamic scanpath visualisations using your Reference Image Mapper or Manual Mapper exported data. | ||
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## Steps | ||
1. Run a [Reference Image Mapper](https://docs.pupil-labs.com/neon/pupil-cloud/enrichments/reference-image-mapper/) or a [Manual Mapper](https://docs.pupil-labs.com/neon/pupil-cloud/enrichments/manual-mapper/) enrichment. | ||
2. Data from your enrichment needs to be loaded onto Google Drive. You can choose between one of the two options: | ||
- Use a Pupil Cloud API token to have the enrichment loaded into Google Drive automatically. You simply need to obtain a developer token from Pupil Cloud (click [here](https://cloud.pupil-labs.com/settings/developer) to obtain yours). | ||
- Download the enrichment manually from Pupil Cloud and then upload it to your Google Drive. | ||
2. Data from your enrichment needs to be loaded onto Google Drive. You can choose between one of two options: | ||
1. Use a Pupil Cloud API token to have the enrichment loaded into Google Drive automatically. You need to obtain a developer token from Pupil Cloud (click [here](https://cloud.pupil-labs.com/settings/developer) to obtain yours). | ||
2. Download the enrichment manually from Pupil Cloud and then upload it to your Google Drive. | ||
3. Access our **[Google Colab Notebook](https://colab.research.google.com/drive/13FIZroc7ckyOs7APSSskqo7ew2JAZR-q?usp=sharing)** and carefully follow the instructions. | ||
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<div class="mb-4" style="display:flex;justify-content:center;"> | ||
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</a> | ||
</div> | ||
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If you want to work with the code locally, feel free to download it [here](https://gist.github.com/nadje/7a8f1e5590ab9022be4253a5b0d8d238). | ||
If you want to work with the code locally, feel free to download it from this [GitHub Repository](https://gist.github.com/nadje/7a8f1e5590ab9022be4253a5b0d8d238). | ||
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## Review the Scanpaths | ||
After running the notebook, you'll find the following files in your folder: | ||
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![Static scanpath](./scanpath_image_nad.png) | ||
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::: tip | ||
Need guidance in further customising your scanpath visualisations? You can refer to our [legacy scanpath visualisation](https://gist.github.com/elepl94/9f669c4d81e455cf2095957831219664) or reach out to us via email at [[email protected]](mailto:[email protected]), on our [Discord server](https://pupil-labs.com/chat/), or visit our [Support Page](https://pupil-labs.com/products/support/) for dedicated support options. | ||
Need guidance in further customising your scanpath visualisations? Reach out to us via email at [[email protected]](mailto:[email protected]), on our [Discord server](https://pupil-labs.com/chat/), or visit our [Support Page](https://pupil-labs.com/products/support/) for dedicated support options. | ||
::: | ||
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<style scoped> | ||
img, iframe { | ||
width: 100%; | ||
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# Measuring the Inter-Eye-Distance (IED) of a Subject | ||
# Measuring the Inter-Eye-Distance (IED) | ||
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The Inter-Eye-Distance (IED) can be adjusted for applications requiring precise pupillometry or eye-state measurements. These adjustments do not require prior calibration of the device. However, the accuracy of Neon’s 3D eye-state and pupil-size measurements can be enhanced by correctly setting the IED for each wearer. | ||
The wearer's IED can be set in the Neon Companion app for applications requiring | ||
precise pupillometry or eye-state measurements. | ||
This does not require prior calibration of the device. However, the accuracy of Neon’s 3D eye-state and pupil-size | ||
measurements can be enhanced by correctly setting the IED for each wearer. | ||
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To add the participant’s IED, input the value into their ‘Wearer Profile’ within the Neon Companion app before starting a recording. By default, the IED is set to 63 mm, which is the average for adults. | ||
To add the wearer's IED, input the value into their ‘Wearer Profile’ in the Neon Companion app before | ||
starting | ||
a recording. The default IED is set to 63 mm, which is the average for adults. | ||
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Please follow the simple steps below to measure the participant’s IED: | ||
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- Ask the person to look at a distant object (to avoid eye convergence). | ||
- Hold the ruler in front of the person’s eyes and measure from the center of one pupil to the center of the other. | ||
Here's a simple way to measure IED: | ||
1. Ask the person to look at a distant object (to avoid convergence) | ||
2. Hold a ruler in front of their eyes and measure from the center of one pupil to the center of the | ||
other |
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