Easy-to-use library to quickly set up depth-imaging-enabled multi-user interaction applications. See it here: https://vimeo.com/43393439
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README.md

libHecato

libHecato is an easy-to-use framework to quickly set up depth-imaging-enabled (e.g. "Kinect") multi-user interaction applications. It is able to process touch events, gestural movements and to track the presence of users. Got a big projection you've always wanted to use multi-touch? Grab a depth cam and libHecato is your solution. The framework hereby expects the camera to be placed above the interaction area to minimize occlusion while maximizing the amount of possible simultaneous users. libHecato's key strengths lie in the following:

Multi Aspect

Whether it's point-to-click or gestures you want to process, libHecato has a tracking component that robustly correlates the framewise detection to kalman-filtered tracks. Besides a defineable area for any hand actions it is also possible to set a space in the camera image in which persons are to be detected.

Scalability

The software can handle consistent tracking over a tracking space of arbitrary length. This means that multiple depth cameras can be inconcatenated to form larger installations. This renders it highly usable for big projections.

Output / Extendability

Hecato uses the TUIO-Protocol, a for tangible user interfaces widely used protocol, for standard output. All the classes along the processing chain - from image acquisition to output are easily extendable to allow for modifications in every step. See HTBlobInterpreter to modify the handling of detections or to change how tracks should be handled.

Platform Independence

Using only platform-independend libraries such as opencv and OpenNI itself, libHecato is able to be compiled for Linux, Windows and Mac (in this order of support :) )

Toolset

The framework includes two applications for calibrating (HTCalibration) and for operation (HTApp) which usually suffice for not too specific tasks. In this case, no programming experience is needed to use libHecato.

Documentation / Tutorial

Find the doxy here: http://www.socialnerds.org/polylux/libHecato Might not always be the super-latest version, you'll find your own doxyfile under /doc I recently did a how-to for the project "Connecting Cities" - go there if you get stuck at some point: http://www.aec.at/connectingcities/?p=466

License

CADET - Center for Advances in Digital Entertainment Technologies Copyright 2011 University of Applied Science Salzburg / MultiMediaTechnology & Ars Electronica Futurelab

http://www.cadet.at http://multimediatechnology.at http://research.aec.at

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

CADET - Center for Advances in Digital Entertainment Technologies funded by the Austrian Research Promotion Agency (http://www.ffg.at)