What would cause this...
- Thread starter bkushner
- Start date
AMann
Well-Known Member
You said every time but does that include when it’s not during a sunset?
Compass and gimbal calibrated?
Have you tried it with OA off, assuming that is an option for hyperlapses on the Air 3S? OA often falsely perceives the sun and its specular reflections as obstacles.
Edited: to add specular reflections, based upon @Cafguy 's more precise post below.
Edited: to add specular reflections, based upon @Cafguy 's more precise post below.
Last edited:
It could be very well be a symptom of Specular reflection.
Specular Reflection is caused be the suns light reflecting off of the surface of the water.
When flying a drone over water with specular reflection, the drone's sensors can get confused by the bright reflections, impacting its ability to accurately position itself, potentially leading to instability.
Specular Reflection is caused be the suns light reflecting off of the surface of the water.
When flying a drone over water with specular reflection, the drone's sensors can get confused by the bright reflections, impacting its ability to accurately position itself, potentially leading to instability.
Common problem with shooting hyperlapse, reported numerous times in DJI and other forums. Interesting video (link below) showing exactly the same slight left and right yaw... especially when shooting low-light or night. This slight yaw movement also occurs day or night when taking single sequential shots while in a static hover.
This Forum is so good at providing helpful and hopefully successful advice. Trust the above will help.
I tried timelapses of sunsets from my driveway with low winds numerous times, all with the same wiggles and jiggles. The drone is imply not as stable as a tripod and no matter what low wind conditions I encountered, and using warp stabilization repeatedly during post processing, I was never able to get rid of those wiggles. I documented this many times early on in my Mavic Pilots posts in 2015, etc. I have since never attempted a sunset timelapse.
Paulomatic
Member
This is very interesting- I have shot many stationary time-lapse (Air2s) sunsets and never had nearly this problem. In fact I was pleasantly surprised at how well it did. It wanders a bit in high winds, but those are generally small pitch oscillations.
Until a few days ago. I shot a short stationary time-lapse that had a constant slow wobble and a tiny bit of jello effect. There was no sun, no specular reflections, no wind, and heavy overcast, so that theory goes in the trash. But I think I know the answer and will be able to test it out Monday. Stay tuned.
Attached are few older test clips- I would be disappointed at any worse wobble than these show. A few of these clips were shot in very high winds, and no post stabilization has been applied.
I have several of these wobbly sunsets. I was never able to get answer from the forum.
The Trembling Drone! This is a drone timelapse video of a sunset on April 6,2020. It is a sequence of 4 video clips of 125 images each, processed from the original RAW (DNG) files in LRTimelapse 5 and Lightroom software. The movement is supposedly from winds buffeting the drone, which was only 104 feet maximum with no wind whatsoever at ground level. The video clips were also processed and stabilized with warp stabilization in Adobe Premiere Pro.
The Trembling Drone! This is a drone timelapse video of a sunset on April 6,2020. It is a sequence of 4 video clips of 125 images each, processed from the original RAW (DNG) files in LRTimelapse 5 and Lightroom software. The movement is supposedly from winds buffeting the drone, which was only 104 feet maximum with no wind whatsoever at ground level. The video clips were also processed and stabilized with warp stabilization in Adobe Premiere Pro.
SunsetHyperlapseFinal-4-8-2020
This is a test of drone hyperlapse video using the Mavic 2 Pro. There was no wind at all. The study is done from approximately 77ft height. 211 RAW images at the…
vimeo.com
Specular Reflection is pretty rare, so rare in fact that there are many that say its not a thing. If you look at the "science" of sensors it makes real sense. Cinematographers call this phenomenon "glint" in their videos. I myself have never had a drone act crazy because of it.
Thats a pretty excessive Wobble. Your props may have a lot to do with this.I have several of these wobbly sunsets. I was never able to get answer from the forum.
The Trembling Drone! This is a drone timelapse video of a sunset on April 6,2020. It is a sequence of 4 video clips of 125 images each, processed from the original RAW (DNG) files in LRTimelapse 5 and Lightroom software. The movement is supposedly from winds buffeting the drone, which was only 104 feet maximum with no wind whatsoever at ground level. The video clips were also processed and stabilized with warp stabilization in Adobe Premiere Pro.
SunsetHyperlapseFinal-4-8-2020
This is a test of drone hyperlapse video using the Mavic 2 Pro. There was no wind at all. The study is done from approximately 77ft height. 211 RAW images at the…vimeo.com
Perhaps but it was a new drone without accidents and the props were ok. I tried everything. In fact, when I got rid of that Mavic Air, and switched to the Mavic 3 the same wobble happened. So I do all of my sunsets with a tripod.
Paulomatic
Member
This is fascinating! My bad clip has a very similar jello effect with a just bit less wobbling. I'll post it this evening.I have several of these wobbly sunsets. I was never able to get answer from the forum.
The Trembling Drone! This is a drone timelapse video of a sunset on April 6,2020. It is a sequence of 4 video clips of 125 images each, processed from the original RAW (DNG) files in LRTimelapse 5 and Lightroom software. The movement is supposedly from winds buffeting the drone, which was only 104 feet maximum with no wind whatsoever at ground level. The video clips were also processed and stabilized with warp stabilization in Adobe Premiere Pro.
SunsetHyperlapseFinal-4-8-2020
This is a test of drone hyperlapse video using the Mavic 2 Pro. There was no wind at all. The study is done from approximately 77ft height. 211 RAW images at the…vimeo.com
Specular reflections occur everywhere, constantly, anytime the sun is out. Glass, leaves, metal, glossy paint, etc. The big, long reflections like a sunset over water are rarer, but not all that rare because they tend to make pretty pictures. Specular reflections ay be PART of the wobble problem, but only a small part. I have at least 30 timelapse sequences shot straight into the sun with little or no wobble. so that is not the entire problem.
I've been a fairly serious photographer for a long time, bought my first SLR in 1968. Also a serious R/C flyer since 1973, flew my first aerial camera in the late 80's. Not a beginner.
Droning on and on...
Well-Known Member
I dont have this issue with my air3 or air2s and I have taken ALOT of sunset timelapses... I will say i stopped using the hyperlapse feature for anything static, and just use the timer function on the photos and make my own in Davinci Resolve. Get more of a picture and do the stabilization there plus the full set of photos to take the still from... pain in the butt but it works better for me for sitting still ones.
My hyperlapses are rock solid as well, both on my Air 3 and my Air 3S. I’ve taken hyperlapse in the day, at night, facing the sunrise/sunset etc. so it’s very interesting indeed.
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