Dense and Sparse Crowd Counting Methods and Techniques: A Review

Crowd counting is an active area of research and has seen several developments since the advent of deep learning. In this blog, we'll review in brief the Dense and Sparse Crowd Counting Methods and Techniques which can be used in a wide range of applications in industries, hospitals, crowd gathering events, and many more. Crowd counting is a technique to estimate the number of people in an image or a video. Consider the below image and make a wild guess regarding the number of people in it. There are too many people crammed in this picture which makes it a huge task for our brain to accurately predict the right number.