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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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Can't access USB device inside Windows Store App

OK, first I shall point that I am completely new to Windows Apps Development, which is good, since I am trying to develop a Windows Store App for PC to use a PrimeSense Scanner connected via USB. I have asked a more specific question about this…
MobileCushion
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Using Kinect to detect objects on the floor

Lets say that I have a kinect pointing at a floor. If I place 3 or 4 objects on the floor how can I determine the plane those objects are on? How can I detect brightly colored objects on that floor?
Joseph Le Brech
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Anyway to run Kinect on virtual box?

I have installed Windows 7 64 bit on virtual box.. I want to run any driver for kinect on it such as openni, openkinect or kinect sdk I don't want to run it on native environment.. Is there any way to run kinect on oracle virtual box? [update] I…
belal jafar
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Kinect 3D gesture recognition based on skeleton movements - What libraries exist?

What gesture recognition libraries (if any) exist for the Kinect? Right now I'm using OpenNI to record skeleton movements but am not sure how to go from that to triggering discrete actions. My problem might be as simple as pose detection but it…
Steve Vermeulen
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How can I compute optical flow from a depth image stream from a depth camera?

I have a depth camera feed already set up and in order to make it more interesting I want to compute some data out of it like normals, motion/optical flow and other data sets to use them for visual effects. I am particularly interested in optical…
Steak Overflow
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Will Kinect v2 support multiple sensors?

Working with multiple Kinect v1 sensors is very difficult because of the IR interference between the sensors. Based on what I read on this gamastura article, Microsoft got rid of the interference problem with the time-of-flight mechanism that Kinect…
techSultan
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Convert kinects depth to RGB

I'm using OpenNI and OpenCV (but without the latest code with openni support). If I just send the depth channel to the screen - it will look dark and difficult to understand something. So I want to show a depth channel for the user in a color but…
Kirill Lykov
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How to install OpenNI 2.1 on Mac?

I can not find installation instructions for this version of OpenNI. I have a Kinect for Windows and Mac OSX 10.8. It is listed as the downloadable on OpenNI.org, but there are no installation instructions on that site (that I can find) and the…
BishopZ
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No library found for Processing?

I am currently working with SimpleOpenNI and the Kinect to work on a programming project for sign language. I installed the prerequisite programs(drivers, NITE, OpenNI) on my 32-bit computer and my project compiles well on that computer. I installed…
Sonu Bae
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How to make motion history image for presentation into one single image?

I am working on a project with gesture recognition. Now I want to prepare a presentation in which I can only show images. I have a series of images defining a gesture, and I want to show them in a single image just like motion history images are…
masad
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`.oni` sample/test file resources

Is there any online resources of sample .oni files for using as test data for application using the OpenNI framework and other natural interaction devices? For example, it would be good if there was a resource with one, two, ten people. It seems…
Ross
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Why is the kinect presentation that slow on my computer?

When using SimpleOpenNI and processing I had a smooth skeleton view, about 30fps. Using VC# and the skeletal tracking example it seems like about 10fps. As if something was blocking it. Why is it that slow and how do I make it as fast as in…
Zurechtweiser
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OpenNI and OpenCV: cv2.imshow() crashes with error: (-215:Assertion failed) dst.data == (uchar*)dst_ptr in function 'cvShowImage'

I am trying to receive a depth image from an Orbbec Astra Pro camera connected to a Windows 10 machine. I have therfor installed opencv-python 4.0.0.21 and primesense 2.2.0.30.post5 which seems to be latest stable python packages available. This is…
Matthias Güntert
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Orbbec and OpenNi2: DeviceOpen using default: no devices found

I have got an Orbbec Astra depth sensor attached via USB and the device manager shows the driver is correctly installed. I have downloaded the "Astra & OpenNI2" bundle from orbbec.com but have only installed the SensorDriver_V4.3.0.4.exe and the…
Matthias Güntert
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OpenNI Intrinsic and Extrinsic calibration

How would one extract the components of the intrinsic and extrinsic calibration parameters from OpenNI for a device such as the PrimeSense? After some searching I only seem to find how to do it through ROS, but it is not clear how it would be done…
Jack H
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