Closed dbosk closed 7 years ago
Overview of people counters on Wikipedia. The interesting ones are video and wifi based solutions.
Crowd counting on Wikipedia claims that Jacobs' method is most common:
The most common technique for counting crowds at protests and rallies is Jacobs's Method, named for its inventor, Herbert Jacobs. Jacobs method involves dividing the area occupied by a crowd into sections, determining an average number of people in each section, and multiplying by the number of sections occupied.
This article discusses some alternative techniques to counting crowds at protests:
@article{2016DemonstrationsInSeoul,
title = {Counting 1 million crowds at anti-president rallies in {Seoul}},
author = {Kim Tong-Hyung
and Youkyung Lee},
journal = {Associated Press: The Big Story},
publisher = {The Associated Press},
month = {11},
year = {2016},
url = {http://bigstory.ap.org/article/317ea62bddbd4132ab1467863a532ab9/counting-1-million-crowds-anti-president-rallies-seoul},
abstract = {SEOUL, South Korea (AP) — South Korea is seeing its biggest wave
of street demonstrations in decades, but nobody is sure how many people are
taking to the streets each week. For the fifth straight weekend, masses
of protesters \dots},
urldate = {2017-04-05},
}
This might be related work: Real-Time Crowd Simulator Could Help Prevent Deadly Stampedes.