This is the software package for using color sensors and perturbation-modulated light (color-controllable fixtures required) to estimate the occupancy distribution in an indoor space. It corresponds to these papers:
 Quan Wang, Xinchi Zhang, Kim L. Boyer, "Occupancy distribution estimation for smart light delivery with perturbation-modulated light sensing", Journal of Solid State Lighting 2014 1:17, ISSN 2196-1107,
 Quan Wang, Xinchi Zhang, Meng Wang, Kim L. Boyer, "Learning Room Occupancy Patterns from Sparsely Recovered Light Transport Models", 22nd International Conference on Pattern Recognition (ICPR), 2014.
 Quan Wang, Xinchi Zhang, Kim L. Boyer, "3D Scene Estimation with Perturbation-Modulated Light and Distributed Sensors", 10th IEEE Workshop on Perception Beyond the Visible Spectrum (PBVS).
 Xinchi Zhang, Quan Wang, Kim L. Boyer, "Illumination Adaptation with Rapid-Response Color Sensors", SPIE Optical Engineering + Applications, 2014.
The YouTube video introducing this technique:
Quan Wang (2021). COSBOS: COlor-Sensor-Based Occupancy Sensing (https://www.mathworks.com/matlabcentral/fileexchange/48428-cosbos-color-sensor-based-occupancy-sensing), MATLAB Central File Exchange. Retrieved .
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