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Questions tagged [openni]

An industry-led organization which aims to certify and improve interoperability of natural interaction devices

From the wikipedia page:

OpenNI or Open Natural Interaction is an industry-led, not-for-profit organization focused on certifying and improving interoperability of natural interaction devices, applications that use those devices and middleware that facilitates access and use of such devices

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list elements get replaced instead of inserted

I'm currently working on a kinect project in C++. I'm working under Ubuntu 12.04 (32 bit) and I use OpenNI/NITE. I want to find a hand and save its coordinates in a list and for this part I have the following code: Header: #ifndef HAND_H_ #define…
user2018809
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PyOpenNI input for OpenCV

I'm working with OpenCV in Python. I want to get input from Asus Xtion . I'm able to successfully run samples from PyOpenNI . I want to use the image obtained (str format) by igen.get_synced_image_map_bgr() in opencv. igen-ImageGenerator I want to…
Ansel Zandegran
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Tracking the top of heads with Kinect

I was wondering if there was an existing API for tracking the top of people heads with the Kinect. e.g., the Kinect is facing downwards from a ceiling. If not, how might I implement such a thing with its depth data.
KylePDM
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OpenNI2.0 - getting LNK errors trying to build included sample projects in Visual Studio

I'm getting LNK errors trying to build anything from source in Visual Studio 2010. I've installed OpenNI 2.0, the Kinect SDK, and NiTE. I can run any of the pre-compiled samples, but I can't compile any of them myself. I tried to make a sample…
KylePDM
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Linking errors when trying to compile Fubi

This problem is not specific to Fubi, but a general linker issue. These past few days (read as 5) have been full of linking errors, but I've managed to narrow it down to just a handful. I'm trying to compile Fubi (Full Body Interaction framework)…
soplu
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processing - get sketch to recognize xtion kinect device

I have a processing sketch which worked with a microsoft Kinect and which I am now attempting to get to work with an Asus Xtion RGB+D camera. I am getting the attached error. This is my code: // Daniel Shiffman // Kinect Point Cloud example //…
mheavers
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Invalid matrix error when trying to extract hand contours from a depth image

I'm using OpenCV alongside OpenNI to extract a hand and then the individual fingers from a depth image generated by the Xtion sensor. When a focus gesture for the hands generator has been performed the hasHand bool is set to true and the code below…
Daniel O'Connell
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getUserPixels - alternative in official Kinect SDK

Is there an alternative for the getUserPixels method offered by OpenNI in the official Kinect SDK? How would one implement this functionality with the official Kinect SDK?
oneiros
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gs video, then kinect sketch in processing

Im trying to do a small project when the app run a video with the gsVideo library, and then run a kinect sketch, im making it in processing and Open NI, my knowledge in java is really limited.. so .. what could I do ? Thanks,
user1813935
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How to integrate OpenNI, NITE libraries in CodeBlocks or Geany

I installed the OpenNI+NITE+kinect on ubuntu 12.10 today and the samples are working fine. (Ran NITE samples and they work like charm) I want to start developing in Linux and I like to work with IDE. For ubuntu I have always used Geany or…
Bounty Collector
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Exception while Skeleton Tracking using openNI on pre-recorded ONI file

I am trying to run the sample openNI Skeleton Tracking application (UserTracker.java application) on a pre-recorded .oni file. I have edited the SamplesConfig.xml file to direct the input from the ONI file and not a Kinect (I don't actually have…
mksh15
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How to build PCL+OpenCV+OpenNI project in eclipse

I have successfully configured the includes and libs in order to build OpenCV and OpenNI in Eclipse under OS X. However now I need to add the PCL libraries. I tried to do it the same way but 1- there're a lot of files, 2- I get 614 errors after…
Vito Valov
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Trying build OpenNI samples with CMakeLists.txt but getting error

I have mad my own CMakeLists.txt file to build OpenNI samples. I successfully build NiSimpleViewer. But when try with NiUserTracker I get this error: 35 warnings generated. Linking CXX executable main ld: warning: path '/usr/lib/libOpenNI.dylib'…
Vito Valov
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Cannot retrieve PointCloud using Kinect

I am using EmguCV and OpenNi in C# to retrieve the pointcloud from the Kinect. The code I am using is below: IntPtr img = CvInvoke.cvRetrieveFrame(kCapture.Ptr, 1); if (img != IntPtr.Zero) { …
Shivam
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Dynamic time warping to detect gestures using Kinect Motion Sensor

Is there any documentation explaining how should I use DTW (dynamic time warping) and with Kinect? I need to record (as in this demo) a gesture and later use the recorded gesture to apply a command to Simple Open-NI. I've downloaded KinectSpace code…
Jonathan Simon Prates
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