3D BODY (SKELETAL) TRACKING MIDDLEWARE
NUITRACK SDK
Supports 3D and RGB sensors
Our middleware is compatible with all leading 3D sensors, including Intel RealSense, Kinect, Orbbec, Structure.
OpenNI-compatible
Easily move your existing OpenNI application, developed for Kinect to newer sensors.
Unmatched quality
Our proprietary algorithms guarantee industry-leading performance.
Cross-platform
Single API that works for Android, iOS, Windows, Linux.
SKELETAL TRACKING software
Features
  • Full Body Skeletal Tracking
  • User Masks
  • 3D Point Cloud
  • Gesture Recognition
  • Face Tracking
Nuitrack API
SDK & Samples
The latest version of Nuitrack SDK is available (incl. Unity, Unreal Engine, C++, and C# samples).
All instructions for working with the SDK in one place.
Online Documentation
Forum
Have a question about Nuitrack? Post it here and a community member will be happy to help you.
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Your order
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NOTE: The Nuitrack perpetual license is associated with a sensor serial number. The license is non-portable, but you can reactivate the license if you use new hardware with the same sensor.
The online license is fully portable (not linked to a sensor) but requires an Internet connection.

After purchasing Nuitrack license, you will get the activation instructions via e-mail. Read more at FAQ.
3D Sensor Support
Nuitrack replaces Kinect SDK - download Nuitrack Trial for your 3D sensor and OS.
Nuitrack trial is a full-featured version with a 3-minute time limit.
Need RGB version of Nuitrack? contact us.
3D Sensors
Windows
Linux x64
Orbbec Astra S/Pro/Mini,
Astra Stereo S U3/ Astra Embedded S,
Astra Plus
Asus Xtion Pro / Xtion Pro Live
Asus Xtion 2
Kinect v1
Kinect v2
Azure Kinect
Intel RealSense D415 / D435 / D435i / D455 / L515
3D Sensors
Android
Linux ARMv7
iOS
Orbbec Astra S/Pro/Mini,
Astra Stereo S U3/ Astra Embedded S
Orbbec Astra Plus
Orbbec Persee
Asus Xtion Pro / Xtion Pro Live
Kinect v1
Intel RealSense D415 / D435 / D435i / D455 / L515
Occipital Sensor
Model
OS
3D Sensors
Raspberry PI 3B / 3B+
Debian armhf
Orbbec Astra S / Astra Pro
ASUS Tinker Board
TinkerOS / Debian armhf
Orbbec Astra S / Astra Pro
Pricing
Upgrade Nuitrack Trial to Nuitrack AI to remove the 3-minute time limit.
More products
Features
NUITRACK Trial
NUITRACK Pro
NUITRACK AI
NUITRACK Enterprise
Supported Platforms
Windows x86/x64, Android ARMv7, Linux x64/ARMv7
Windows x86/x64, Android ARMv7, Linux x64/ARMv7, iOS
Windows x64, Linux x64
custom
Hardware Requirements
GPU required (1050 Ti or better),
CPUs:
* 6th generation Intel Core i5/Xeon or better
* AMD Ryzen 5 3600 or better
custom
Input Data
3D/RGB-D
3D
RGB-D
3D/RGB-D/RGB

User Segmentation

Skeletal Tracking
19 joints,
6 persons max
19 joints,
6 persons max
19 joints,
6 persons max
custom

Gesture Recognition

Improved 360° Tracking
Sitting and Lying poses
Face Tracking
for Windows/Linux only
for Windows/Linux only
for Windows/Linux only
Object Detectors
Time Limit
3 minutes
No
No
No
Works Offline
Perpetual license
Perpetual license
optional
Licensing
Online subscription (portable between devices) or Perpetual license (linked to a sensor)
Perpetual license linked to a sensor
optional
Technical Support
Advanced Features
Custom sensors
Custom wrappers
Custom accelerators (NPU, FPGA, ...)
RGB skeletal tracking
Spatial understanding
Robot navigation
Generic activity recognition
Human behavior analysis
Human finger tracking
Animal recognition
...
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