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.
With wireless networks becoming ever more ubiquitous and the capabilities of the devices connected to them rivalling those of desktop computers, there is an acute need for the communications in these networks to be managed as efficiently and autonomously as possible. Moreover, as the number of connected devices is rapidly increasing, the problem is becoming all the more complex and the amount of up-to-date...
Mechanical force is an integral part of tissue morphogenesis and patterning. We have developed an automated micro-aspiration system to investigate how mouse limb bud tissue responds to extrinsic forces in order to understand whether tissue-generated forces can be a part of the mechanism causing oriented cell behaviors observed in mouse limb bud morphogenesis. The system is capable of performing automated...
In this paper, a novel bottom-up visual attention model is proposed. By using static and dynamic features, we determine salient areas in video scenes. The model is characterized by the fusion of spatial information and moving object detection. The static model, inspired by the human system, is achieved by a retinal filtering followed by a cortical decomposition. The dynamic model is carried out by...
Artificial neural networks aim to simulate the human nervous system using the interprocessing calculation methodology, but unfortunately cannot the preserve stimulus pattern. In this paper, we depend on the biological fact “information is coded within firing rate” and hence we propose an architecture for the preceptor in which the neurons' APs (Action Potentials) are transmitted in structures that...
Modeling of visual attention is a very active research domain which has attracted the attention of researchers over the past years. Several models of saliency detection are now available that have shown successful applications in various fields. In this paper, we initially present three models already existing in the literature, we are talking about Itti's model, Imamoglu's model and Le Moans's model...
Drawing principles, or aesthetics, are important in graph drawing. They are used as criteria for algorithm design and for quality evaluation. Current aesthetics are described as visual properties that a drawing is required to have to be visually pleasing. However, most of these aesthetics are originally proposed without consideration of graph structure information. Therefore their ability in visually...
Particle advection is a foundational operation for many flow visualization techniques, including streamlines, Finite-Time Lyapunov Exponents (FTLE) calculation, and stream surfaces. The workload for particle advection problems varies greatly, including significant variation in computational requirements. With this study, we consider the performance impacts from hardware architecture on this problem,...
Biological systems span several orders of magnitude in space and time from intracellular pathways to tissue-level processes. Many studies focus on molecular level events while other studies focus on cellular level and tissue level interactions. The immune system is highly complex and dynamic, encompassing hierarchical interactions with dimensions ranging from nanometers to meters and time scales from...
Embedded visual assist systems are emerging as increasingly viable tools for aiding visually impaired persons in their day-to-day life activities. Novel wearable devices with imaging capabilities will be uniquely positioned to assist visually impaired in activities such as grocery shopping. However, supporting such time-sensitive applications on embedded platforms requires an intelligent trade-off...
According to the problem that exists in restoring of the ancient architecture, in this paper, which focuses on the virtual reality system of Gu Yuan, a technical solution based on UDK and Kinect is proposed to develop a virtual reality roam system. This system includes Kinect, server and circular-screen projector system. The application of this technical solution provides a new display method for...
The VPH Hypermodelling framework is a collaborative computational platform providing a complete Problem Solving Environment to execute, on distributed computational architectures, sophisticated predictive models involving patient medical data or specialized repositories. In the CHIC1 project, it will be enhanced to support clinicians in providing prompt personalised cancer treatments. It supports...
In current SoCs, key infrastructure capabilities are distributed across many components and involve tight software, firmware, and hardware interaction. Examples include resets, power management, security, and more. The architectural complexity of these features often results in specification errors that when found quite late in the product life cycle are very costly to fix. This means that we have...
Managing knowledge through analyzing big data is a complex and difficult task owing to extensive amount of hidden information and patterns within them. Visualization is a technique that helps analysts to overcome such difficulties by representing data in a graphical view. Collaborative visualization refers to a group effort of analyzers who work on a same problem where they share their collective...
Humans are experts in understanding others' intention. This capacity is essential to interact and collaborate with others. Thus, providing a robot with this capacity is a key improvement for further developments in socially interactive robotics. This work exploits a mirroring scenario between aa caregiver and a robot to develop an intention inference capacity without providing a priori knowledge to...
Seaman has been active in the creation of differing Cyber worlds from the early 90's onward. This paper will cover historical approaches including The World Generator / The Engine of Desire (1996 to present) a generative virtual environment-exploring Recombinant Poetics, The Architecture of Association (with Daniel Howe), Engine of Engines (Howe | Seaman) (2011 - present), the more recent generative...
Now the advanced visual simulation system is usually equipped with the large-wide projection or multi-projection display system, and several graphic workstations to achieve the real-time rendering task for multiple channels, which can provide the large field of view for user and bring the immersive feeling with the interactive devices' supporting. This paper presented a novel multi-channel visual...
The paper presents a solution to the problem of movement tracking in images acquired from video cameras monitoring outside terrain. The solution is resistant to such adverse factors as: leaves fluttering, grass waving, smoke or fog, movement of clouds etc. The presented solution is based on well known image processing methods, nevertheless the key was the use of an appropriate conduct procedure. In...
Systems are needed to support access to and analysis of large heterogeneous scientific datasets. We developed PerCon, a data management and analysis environment, to support such activities. PerCon processes and integrates data gathered via queries to existing data providers to create a personal digital library of data. Users may then search, browse, visualize and annotate the data as they proceed...
To stay competitive, enterprises must respond to changes as effectively and efficiently as possible and ensure the employed courses of action, whether in response to change or even to optimize business as usual, fall within the purview of internal and external directives. Often, the traceability from change drivers that led to specific directives being applied to actual business rules implementing...
From the point of view of an enterprise architect, the visual analysis of the structure of an Enterprise Model can provide powerful insights and facilitate various analysis tasks. However, analysis methods and visualizations that offer the most valuable results usually depend on the concepts found on the Enterprise Metamodel, and are subjected to a concrete EA modeling tool. In this paper we argue...
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.