The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Barrier coverage has attracted much attention in the past few years for its various applications, such as border surveillance and intrusion detection. In these applications, it is critical to achieve a strong barrier to ensure detecting any penetration of intruders in an energy-efficient manner so that the barrier can be covered with as few active sensors as possible. In this paper, we study the target...
With the rapid development of urbanization, traditional urban sensing approaches cannot be sufficient to meet the growing demand of people. To achieve a highly reliable and stable urban sensing network, we propose a micro-level urban sensing schema. Participatory sensing and vehicle sensing are not suitable for this kind of network due to the active participation, the opportunistic or the deployment...
Circular object detection is very important in image processing. In this paper, accurate and robust circular object detection using probability searching is presented. The main contributions are threefold. We first redefine the gradient line with direction, which is robust against noise. Then we randomly select two pixels to determine a candidate center and radius by the intersection of gradient lines...
“Language Games”, as a key term in Wittgenstein's later philosophy, emphasizes the everyday usage of language. This concept not only plays a revolutionary role in the development of philosophy, but also sheds new insights into language teaching. With the purpose of providing a perspective of language philosophy on English teaching in China, the paper, through a descriptive analysis, explores the implications...
The paper gave a systemic introduction on the mosaic significance of images taken by the ordinary CCD imaging devices and on the problems easily arising from the course of image mosaics. Then, introduced and discussed recent algorithm as well as classical algorithm of the two main image mosaic methods: Region-based and Feature-based. Especially expounded the application of wavelet transformation in...
In this paper we introduce the use of a Computer Based Assessment (CBA) system; discuss the functionality, usability and reliability of the system. The system has a simple and user-friendly interface, and it just executes a program on a stand-alone computer or on an online computer without changing hardware or software. It can be used for mid-term or final exam in small-scale for many courses. The...
SOPC is a flexible, efficient SOC design method which is developed by Altera corporation. It can build a SOC design by integrating processor, memory, I/O and other peripherals selectively into a PLD. Through application oriented IP cores, user defined logic we can build an efficient SOC. It introducers SOPC application approach in a high speed and high precision data acquisition system and discusses...
The median filter is an effective and widely used nonlinear filter in image processing. However, it cannot be ignored that median filter blurs the details such as points and short thin lines. Although several improved median smoothers have been put forward, the results are not satisfactory. In this paper, a new type of adaptive median filtering algorithm based on detection criterion and median value...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.