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This paper examines the relative balance of offense and defense in international cyberspace conflict. Unlike previous partial assessments, this paper systematically applies "offense-defense theory" as previously developed by international relations theorists and historians. The preliminary analysis of this brief paper identifies several key distinct features of cyberspace relevant to the...
Recent advances in using computer with different fields of sciences produced huge amounts of data. These data represent as an analysis tool and key to overcome many problems. Clustering is a primary process to analyze the data as well as, it's a preprocessing step before other techniques like classification. Density-Based clustering algorithms have advantages like clustering any arbitrary shapes and...
In this paper we formulate the homogeneous two- and three-dimensional self-reconfiguration problem over discrete grids as a constrained potential game. We develop a game-theoretic learning algorithm based on the Metropolis-Hastings algorithm that solves the self-reconfiguration problem in a globally optimal fashion. Both a centralized and a fully decentralized algorithm are presented and we show that...
This paper researches the fragment mosaic model of fragments from the same paper. By analyzing the character of Chinese character, we classify the fragments into different group. And for different situation that fragments were cut, we put forward the 0–1 integer programming model to solve the problem. The matching degree of different fragment decided by the cosine similarity of the fragments. The...
How can we design intelligent play environments for open-ended play that support richness in play? Rich play can be described as ongoing play that changes over time in character, form and nature. This paper elaborates on our initial insights on how rules and goals develop from interaction opportunities of the system, based on two pilot studies with an interactive play environment for open-ended play...
In this paper, a new algorithm for visualization of high-multidimensional data is described. The algorithm follows several steps. At first, centers representing several categories are selected, and Euclidean distances between these centers are calculated in a high-dimensional space. Then these centers are placed in a 2-dimensional space in such a way that distances in this 2-dimensional space are...
This conceptual paper examines the computer identification of signs called day markers that commonly appear for navigation purposes in a marine channel waterway. Most people are familiar with these signs when navigating in a boat as they appear either as red triangles, green rectangles or diamonds since they aid navigation through the channel. The paper focuses on a proposed classifier using Procrustes...
One of the most significant characteristic features of digital histological images is changing of the form of microobjects (cells) of the same class. The requirement to corresponding points is the stability of their position on the contour, i.e. invariance of their position during rotation, translation. The proposed algorithm of determining the corresponding points on the basis of the central moments...
Automatic pulmonary nodule detection in Computer Tomographic (CT) images is a challenge task for the Computer Aided Diagnosis (CAD) systems. This paper proposes a novel nodule enhancement filter (Homocentric Squares Filter) for automatic nodule detection based on CT characteristic and shape feature. First, the bright regions in the image are enhanced by calculating the CT value variation between an...
The aim of this work is to make a visibility test, which answers how the environment and form influence colour perception. A test program in C# was developed, where the observer can make experiments with different settings. The variable background colour and the variable form colour help to test how these factors influence colour perception. In a second experiment a Tobii X60 eye tracker was used...
A number of studies have revealed that eye size and symmetry were big factors of the attractiveness of a face. Each factor was investigated separately with no comparisons between themselves basing on the quality and quantity of each effect. In many articles, the "attractiveness" was used for explaining the importance of those factors from the viewpoint of evolutionary psychology. However,...
Emotional signaling plays an important role in negotiations and other social decision-making tasks as it can signal intention and shape joint decisions. Specifically it has been shown to influence cooperation or competition. This has been shown in previous studies for scripted interactions that control emotion signaling and rely on manual coding of affect. In this work we examine face-to-face interactions...
Sign language is used by the deaf and dumb people as their mother tongue. Sign Language helps to bridge the gap between hearing-impaired people and hearing people. Research work on Indian sign language is very limited. The main reason behind lack of Research is that there is no proper grammar of ISL and sign language is not same throughout the world. This paper presents a system which generates HamNoSys...
This paper presents two approaches to externally influence a team of robots by means of time-varying density functions. These density functions represent rough references for where the robots should be located. Recently developed continuous-time algorithms move the robots so as to provide optimal coverage of a given the time-varying density functions. This makes it possible for a human operator to...
The behavior of complex aerospace systems is governed by numerous parameters. For safety analysis it is important to understand how the system behaves with respect to these parameter values. In particular, understanding the boundaries between safe and unsafe regions is of major importance. In this paper, we describe a hierarchical Bayesian statistical modeling approach for the online detection and...
This paper presents how to take advantage of the interactive capabilities of augmented reality (AR) technology to deploy assessment activities into AR-based learning environments. It shows how to combine physical and digital spaces to design authentic, meaningful tasks where students can put into practice their skills for solving problems. The use of the framework in real scenarios illustrates its...
In this paper, we propose a scheme on how to design a smart unicursal game for children on computers or other portable devices. We explain how to implement the game according to the computer graphics theory. In our design, children first select types of unicursals. Then, a unicursal picture with the selected type is adaptively sampled by a versatile algorithm we designed, and subsequently, a scattered...
Large scale missions in unpredictable and unstable underwater environments are beyond the capabilities of a single intelligent and complex robot. Relying on one robot is far from optimal as loss of the unit means failure of the whole mission. On the contrary, robotic swarms depend on large numbers of simple, cheap, and error-prone robots that exhibit global desirable features like fault-tolerance,...
In their hearts, computers, smartphones, and other mobile devices are simply quantifying information and sewing it together however we tell them to. But these devices aren't mere objects; they are the nervous system for a networked world. Their effects are broad, deep, and often quite difficult to discern, extending far off the desktop into our everyday lives.
Finding a method which allows a computer recognition to be close to human recognition is a goal of many works in the present. We have set this goal too. According to us, we need to find function for simple recognition of shapes in the images as first step of this goal. Result of this method provides input of our system of recognition. System form depends on the result of shape recognition method....
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