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When a vast number of camera sensors are randomly placed in a target field, how can we produce a sleep/activate schedule for camera sensors to maximize the lifetime of target coverage in the target field? This well-known problem is called Maximum Lifetime Coverage Problem (MLCP), which has been explored extensively in the literature. However, MLCP in full-view coverage camera sesnor networks are far...
Milk, one of the important human foods, can not only be drunken directly but also be processed to produce more products. It is a critical issue for owners of ranches to effectively manage the pregnancy, reproduction, and milking of dairy cows. In current ranches, artificial insemination is performed to make dairy cows pregnant. Accurate estrus detection of dairy cows is essential for the success in...
Developing laboratory experiments to teach students the problems related to the corrosion of metallic artifacts is a challenging problem. Corrosion processes develop over weeks with sudden corrosion rate changes so students should be able to look after the specimens on a regular basis and this is often not compatible with their other duties. This project tries to address this problem by arranging...
Environmental pollution due to gas release is one of the problems that has aroused interest in recent years. Unregulated pollutant gas release negatively impacts both the environment and living organisms. Monitoring of gas release typically implemented using sensors placed inside chimneys. Recently, authorities are highly interested in solutions that offer remote monitoring of the gas releasing activities...
The environmental surveillance using cameras is extremely important for researchers to monitor animal behaviors and as part of an environmental awareness program for children. Cameras installed on vehicles can be used to obtain videos, however, the mobility of the vehicle impacts on the uplink data rate. The next generation of mobile networks as known fifth-generation (5G) brings high improvement...
This paper describes the development of an immersive VR application that lets visual artists quickly visualize and prototype their pictorial design ideas in virtual environments. First, the design requirements are outlined and then the implementation of the application prototype in Unreal Engine 4 is explained. We perform preliminary user tests and discuss the feedback, as well as further improvements...
Surveillance is becoming more and more important in the recent years. In many cities, cameras have been set to look after parks, streets, roads, facilities and so on, however this fact is rising concerns about privacy. In this work, an alternative surveillance method which gather at once security and privacy has been propose and tested. Based on fiber optic specklegram technology; a system consisting...
In recent years, small, inexpensive UAV - also known as drone - has made great progress, which brings privacy and security issues. Drone detection is one of the important methods to solve these problems. The main challenges of drone detection are: (1) A drone is very confusing with other flying objects such as a bird, (2) the low-flying UAV occlusion happens very frequent, and (3) the existing surveillance...
With regard to the desperate demands of visibility monitoring, alarm and disposal in China highway, a visibility monitoring system was approached, by utilizing densely-deployed video camera facilities distributing along highway roadside. This system is composed mainly by multiple roadside lower end subsystems and a data service upper end subsystem deployed in information center of China highway network...
This paper presents an Augmented Reality (AR) comprehensive assembly system for the multi-interactive creation of assembly processes. The special multimodal interface allows the presentation of not only new types of visual display but also interestingly designed voice instructions and material flow management. The system simulates many-sided and complicated assembly tasks in various areas of manufacturing...
Automatic tracking of rodents' behaviors over time in their home cages is of great interest in psycho-physiological studies. The commercially-available animal monitoring systems use RGB videos or bio-potential signals to monitor behaviors of animals when exploring their surroundings. The based models of these devices starts from several thousands of dollars and the cost would increase if extra analysis...
The paper addresses an area coverage problem by using rotatable cameras in wireless camera sensor networks. It has been recognized as an important issue not only to effectively cover an area of interest without holes but also to identify the object invaded the area by cameras in wireless camera sensor networks. Therefore, this paper presents a Full-View Area Coverage (FVAC) scheme to effectively deploy...
Recently, as elderly people population grows, the burdens on caretakers are getting larger. In daycare centers, caretakers make a daycare report aiming to improve the senior citizen's Quality of Life. However, in the present situation, it is difficult for caretakers to record the senior citizen's activity in detail, since each caretaker needs to take care of several senior citizens at the same time...
Collecting annotated sensor data in real life field studies is a challenging task, especially when observing people with dementia. In this paper we outline our attempt on conducting a large scale experimental study while focusing on the technical aspects. We conclude by giving a brief summary of the obtained data set and reporting our lessons learned.
The field of Human Action Recognition has expanded greatly in previous years, exploring actions and interactions between individuals via the use of appearance and depth based pose information. There are numerous datasets that display action classes composed of behaviors that are well defined by their key poses, such as ‘kicking’ and ‘punching’. The CONVERSE dataset presents conversational interaction...
Radar techniques have been used recently to monitor bats when they are hunting close to wind energy plants. However, the real-time detection of bats is a challenge and activity metrics must be defined that enable a robust bat detection. In this paper we report on FMCW radar measurements at 24 GHz of Seba's short-tailed fruit bats (Carollia perspicillata) in a laboratory flight tunnel. Experiments...
Computer vision is a non-invasive way to supervise patients in the bed. We introduce a novel algorithm that monitors breathing rate from a depth camera placed above the bed. While visually registering breathing rate has raised significant interest in the health care field, most published approaches are evaluated only on constrained or simulated settings. Conversely, we evaluate our method in a real...
The Fish owners of the pet fish are usually distressed when they are away from home environment because they could not feed the fish on time. Both reasons, food starvation and overfeeding risk the health of fish and leads to poor water quality in indoor fish tanks. Thus monitoring the fish feeder is of great importance which can be very beneficial for the fish owners. This work is aimed to design...
A Smart-Eye platform is a technology that detects disasters (e.g., forest fire, flood) and responds them quickly. In the Smart-Eye, an unmanned aerial vehicle (UAV) is used to monitor the disasters in real time, where the UAV is equipped with a camera and multiple sensors, since it can go into hazards (i.e., unsafe areas to humans) cost-effectively. However, since the UAV has flight time of 10~25...
Powerful miniature single-board computers have recently gained attention, inviting computer scientists and engineers to develop various kinds of applications on these tiny devices. Having numerous benefits over full-scaled personal computers, their small size enables system mobility and allows operations under limited power resources. Exploring its computing capability, we set up a Raspberry Pi with...
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