Some servers are to be located at nodes of a network. Demand for services of these servers is located at each node and a subset of the nodes is to be chosen to locate one server in each. Each customer selects a server with a probability dependent on distance and a certain amount of benefit is achieved after giving service to the customer. Customers may waive receiving service with a known prob...

Crowd localization is a new computer vision task, evolved from crowd counting. Different the latter, it provides more precise location information for each instance, not just counting numbers whole scene, which brings greater challenges, especially in extremely congested scenes. In this paper, we focus on how to achieve instance high-density scenes, and alleviate problem that feature extraction...