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DOCS: Add stationary tracking config section to elaborate more on stationary tracking #3077

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merged 5 commits into from
Apr 11, 2022

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NickM-27
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As discussed here: #3070

Some users have been confused by the 0 default value, thinking it disabled stationary tracking. I figured instead of elaborating more in the config comments, adding a dedicated section about stationary objects would be more helpful. Curious on thoughts and happy to make edits / adjustments 👍

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@blakeblackshear
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Let's also update the comment in the reference config to:

    # Optional: Frequency for confirming stationary objects (default: shown below)
    # When set to 0, object detection will not confirm stationary objects until movement is detected.
    # If set to 10, object detection will run to confirm the object still exists on every 10th frame.
    interval: 0


## Why does it matter if an object is stationary?

Once an object becomes stationary, object detection will not be continually run on that object. This serves to reduce resource usage and redundant detections when there has been no motion near the tracked object. This also means that Frigate is contextually aware, and can for example [filter out recording segments](record.md#what-do-the-different-retain-modes-mean) to only when the object is considered active.
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Motion alone does not determine if an object is "active" for active_objects segment retention. Lighting changes for a parked car won't make an object active.

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Thanks! I added that to the end, wasn't sure if you wanted that or to adjust the wording in other places.

@blakeblackshear blakeblackshear merged commit a292f27 into blakeblackshear:master Apr 11, 2022
@NickM-27 NickM-27 deleted the add-stationary-docs branch April 11, 2022 12:27
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2 participants