Collaborative crowd density estimation with mobile phones

@inproceedings{pub7832,
    author = {

Weppner, Jens
 and 

Lukowicz, Paul
},
    title = {Collaborative crowd density estimation with mobile phones},
    booktitle = {Second International Workshop on Sensing Applications on Mobile Phones. ACM Conference on Embedded Network Sensor Systems (SenSys-11), 9th, November 1, Seattle, United States},
    year = {2011},
    organization = {Microsoft},
    publisher = {ACM}
}