From e2fcb40463ff5bf17a619cb89c38d7fed5c7a6f5 Mon Sep 17 00:00:00 2001 From: David PAGNON Date: Mon, 23 Sep 2024 16:42:50 +0200 Subject: [PATCH] sync: warning about drift on long captures --- README.md | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 9048209..184809e 100644 --- a/README.md +++ b/README.md @@ -555,7 +555,8 @@ All keypoints can be taken into account, or a subset of them. The user can also *N.B.:* Works best when: - only one participant is in the scene (set `approx_time_maxspeed` and `time_range_around_maxspeed` accordingly) - the participant is at a roughly equal distance from all cameras -- the capture lasts at least 5 seconds long +- the capture lasts at least 5 seconds long, so that there is enough data to synchronize on +- the capture lasts a few minutes maximum, so that camera are less likely to [drift with time](https://github.com/mprib/caliscope/discussions/496) *N.B.:* Alternatively, synchronize cameras using a flashlight, a clap, or a clear event. GoPro cameras can also be synchronized with a timecode, by GPS (outdoors), or with their app (slightly less reliable).