# april tag detection outdoor

Source: https://forum.modalai.com/topic/1457/april-tag-detection-outdoor
Category: Autonomy: VIO, Mapping and Navigation (https://forum.modalai.com/category/19/autonomy-vio-mapping-and-navigation)
Tags: vio
Posted: 2022-10-18 08:21:39 UTC by bensusana
Replies: 1 · Views: 1049

## bensusana · 2022-10-18 08:21:39 UTC

hi guys 
we making low altitude slow flights outdoor in the filed ,
sometimes we get Low Q and low number of  PTS .

if i use apriltags on some spots on the ground will it approve it?

also in takeoff we a lot of problem , should we takeoff from apriltag board?

* we flying with aid 281

## Reply by Chad Sweet (ModalAI staff) · 2022-10-19 03:39:03 UTC

Anything with visual texture will improve performance. It does not have to be an AprilTag. Just anything with a non-repeating pattern