NEW!  Version 3 of iPi Motion Capture is available. iPi Motion Capture 3 delivers new features for improved workflow including support of Kinect 2, improved arms tracking, simplified calibration and others. Read more >>

This documentation corresponds to version 2 of iPi Motion Capture. The latest documentation for version 3 can be found at https://docs.ipisoft.com/

Troubleshooting

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== Video codec problems ==
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=== Installation problems ===
  
Potential problem: cannot open Kinect video in iPiStudio.
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'''Potential problem:''' after installation, [[iPi Mocap Studio]] crashes on first start.  
  
Possible cause: a broken Microsoft AVI Splitter installation.
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'''Possible cause:''' very often, this is caused by incompatible video card. Another possible reason is broken .NET Framework installation or broken DirectX installation.  
  
One of the symptoms of this problem: unable to play Kinect video with
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'''Solution:''' check [[IPi Studio System Requirements | system requirements]] and make sure your operating system and .NET Framework is up to date.
Microsoft Media Player.
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* You can use [http://www.techpowerup.com/gpuz/ GPU-z] and [http://www.cpuid.com/softwares/cpu-z.html CPU-z] to detect exact version and features of your video card.
  
Usually this happens when users install third-party (non-Microsoft)
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<table border="0">
video codecs.
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<tr><td>[[Image:GPUz_example.gif|thumb|402px|]]</td></tr>
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</table>
  
At least a few users users reported this problem.
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* Some systems (for example some laptops and older Mac Minis) have both integrated graphics and discrete graphics. You may need to disable integrated graphics when working with iPi Mocap Studio. To do this, please use tools offered by your discrete video card manufacturer (e.g. Nvidia or AMD).
  
Solution:
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=== Two Kinects don't work together ===
  
1) For Windows XP - install (or re-install) Microsoft Media Player version 9.
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'''Potential problem:''' two Kinect sensors do not work togethter.
  
2) For all platforms - the following command run with Admin rights should repair the
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'''Possible cause:''' Most probably, both Kinects were plugged into one USB controller. In this case 1 USB controller bandwidth is not enough to handle video from 2 Kinects.
default Microsoft AVI splitter installation:
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'''regsvr32 quartz.dll'''
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'''Solution:''' Each Kinect should be plugged into separate USB controller. Please refer to documentation [[User_Guide_for_Dual_Kinect_Sensor_Configuration#Software_Installation]]
  
(On Windows7 use it like this: Start -> All programs -> Accessories -> Command
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=== How to report bugs and issues ===
Prompt -> (right click and select "Run as administrator") -> regsvr32
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quartz.dll).
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3) Installing [http://www.xpcodecpack.com/ XP Codec Pack] may help.  
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When reporting bugs and issues, please specify the following info:
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* exact version of your operating system;
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* exact model of your video card (you can use [http://www.techpowerup.com/downloads/SysInfo/GPU-Z/ GPU-Z] to find out the model of your video card);
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* the number and models of your cameras.
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You can post your bug reports on our [https://www.ipisoft.com/forum/ User Forum] or send them to iPiSoft tech support email.
  
We are working on a more reliable solution for this problem but it may
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=== How to send a video to iPiSoft tech support ===
take some time to implement.
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== Tracking errors caused by wrongly configured background ==
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Sending your videos to iPiSoft tech support can be helpful if you experience a problem with iPiSoft's system. iPiSoft promises to use your video only for debugging and not to disclose it to third parties.
  
This is a very common problem. It can be the source of most dramatic tracking errors.  
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To send a video, please upload it to some file sharing server like [http://www.filefactory.com/ filefactory.com] and send us the link. The other way is [[Huge Files Sharing Using uTorrent|using peer-to-peer technology]].
  
First few seconds of your action video should have clear background (no actor in view of cameras). Failure to provide clear background will result in wrong operation of tracking algorithm.
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If you cannot send a video because of its huge size, consider sending screenshots. Screenshots are less informative then video but still they are helpful for diagnosing various problems with tracking.
 
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You can quickly check your background by pushing and holding "Background" button at the top of iPiStudio window. If you see the actor in background then your background is wrong.
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To fix this issue, you may need to re-shoot the video. If you have clear background at the end of your action video (or in some other part of your action video, for example, in the middle), you can fix the problem by moving the "Background" region on timeline.
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== Installation problems ==
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Potential problem: after installation, iPiStudio crashes on first start.
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Possible cause: very often, this is caused by incompatible video card. Another possible reason is broken .NET Framework installation of broken DirectX installation.
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Solution: check [[IPiStudio System Requirements | system requirements]] and make sure your operating system and .NET Framework is up to date.
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Latest revision as of 10:27, 4 March 2021

Contents

Installation problems

Potential problem: after installation, iPi Mocap Studio crashes on first start.

Possible cause: very often, this is caused by incompatible video card. Another possible reason is broken .NET Framework installation or broken DirectX installation.

Solution: check system requirements and make sure your operating system and .NET Framework is up to date.

  • You can use GPU-z and CPU-z to detect exact version and features of your video card.
GPUz example.gif
  • Some systems (for example some laptops and older Mac Minis) have both integrated graphics and discrete graphics. You may need to disable integrated graphics when working with iPi Mocap Studio. To do this, please use tools offered by your discrete video card manufacturer (e.g. Nvidia or AMD).

Two Kinects don't work together

Potential problem: two Kinect sensors do not work togethter.

Possible cause: Most probably, both Kinects were plugged into one USB controller. In this case 1 USB controller bandwidth is not enough to handle video from 2 Kinects.

Solution: Each Kinect should be plugged into separate USB controller. Please refer to documentation User_Guide_for_Dual_Kinect_Sensor_Configuration#Software_Installation

How to report bugs and issues

When reporting bugs and issues, please specify the following info:

  • exact version of your operating system;
  • exact model of your video card (you can use GPU-Z to find out the model of your video card);
  • the number and models of your cameras.

You can post your bug reports on our User Forum or send them to iPiSoft tech support email.

How to send a video to iPiSoft tech support

Sending your videos to iPiSoft tech support can be helpful if you experience a problem with iPiSoft's system. iPiSoft promises to use your video only for debugging and not to disclose it to third parties.

To send a video, please upload it to some file sharing server like filefactory.com and send us the link. The other way is using peer-to-peer technology.

If you cannot send a video because of its huge size, consider sending screenshots. Screenshots are less informative then video but still they are helpful for diagnosing various problems with tracking.

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