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| give me advices about dance tracking https://forum.ipisoft.com/viewtopic.php?f=6&t=10223 |
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| Author: | yume [ Sat Jan 04, 2020 2:32 am ] |
| Post subject: | give me advices about dance tracking |
Hi bro. I'm new at VR. I bought 2 azure kinect DK. I tried to track dance motion like a fortnite emote with using iPi recorder and studio, it seems that it is a difficult to track accurate heel position and toe direction. please feel free to give me opinions about better setting. - Camera positions It seems that default setting for 2 cameras is 180degree&horizontally angle. Did someone try other setting like 90 degree and high&horizontally angle? Does anyone found good settings from experiences with multiple cameras? - Floor What kind of the ground is the best? (dance studio floor usually shiny and made by wood.) - Legs and arms It seems that tracked dance would be shrinked a little with playing on other software. Does actor need to change dance more dynamic? or Should I do something? - Output format Which is better export, MotionBuilder or 3D MAX Biped for dance? or, Is there any better output format for tracking dance motion? Thanks. |
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| Author: | vmaslov [ Sun Jan 05, 2020 4:50 am ] |
| Post subject: | Re: give me advices about dance tracking |
Hi In general, depth cameras are a bit worse at tracking small details like feet than RGB cameras. However, Azure Kinect has pretty good actual resolution and accuracy of depth data. You can try a few things to improve on feet tracking:
If a dance doesn't involve turns (e.g. a dancer is facing one direction) then 90 degrees placement may work better than 180 degrees. Shiny/reflective surfaces are usually bad for depth cameras spoiling depth data. You can try covering the floor with some non-reflective fabric like a short-haired carpet. I didn't quite get what do you mean by "shrinking". Do motions slow down, or speed up (decrease in time)? Or does the amplitude of motions lower? A common issue is slightly increased speed on playback. It occurs if an actual frame rate during recording is lower than FPS value of set video mode. Check the statistics during recording and in recorded videos ("video info" pane when video is open in iPi Recorder). Choosing output format depends on your pipeline - which animation program you use after iPi Mocap Studio etc. There is no preferred formats for specific kinds of motions. |
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