Mapping Correction ​

There are cases where even the most advanced machine learning-powered gaze mapping algorithms, such as those found in our Reference Image Mapper and Marker Mapper enrichments, struggle due to motion blur and occlusions. The Manual Correction tool puts a "human in the loop" to fill in missing fixations or adjust mapped fixation locations.

Setup ​

• Enrich: First, run your Reference Image Mapper or Manual Mapper Enrichment, if not already done.
• Correct: After the Enrichment has completed, open it and validate the mapping results. If you need to make corrections, click Edit next to Mapping Correction to start the interface.
  • Initially, all fixations are in their default mapped state; i.e., the result of the Enrichment’s automatic mapping process.
  • You can Skip to next or previous fixation with the corresponding buttons. Similarly, you can click on the Recording Timeline to navigate fixations.
  • You can click on the Reference Image to fill in missing fixations or adjust mapped fixations, and then Accept them. You can also use the D keyboard shortcut.
  • If a fixation does not fall on the Reference Image, then click outside of the image.
  • You can Revert any accepted fixations with the corresponding button or the R keyboard shortcut.
  • Click Done once you are finished.

You will see the total number of accepted & corrected fixations in the Mapping Correction panel. It shows the fixation currently being mapped, and you can enter a number to jump to a specific fixation.

You will also see all fixations and their durations visualized in the timeline below.

Export ​

Once you are done with Mapping Correction, then the output of the Enrichment is automatically updated and can be downloaded. Please refer to each Enrichment’s respective Export Format Documentation:

• Reference Image Mapper Export Format
• Marker Mapper Export Format