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One of the challenges of modern information retrieval is to adequately evaluate Information Retrieval System (IRS) in order to estimate future performance in a specified application domain. Since there are many algorithms in literature the decision to select one for usage depends mostly on the evaluation of the systems’ performance in the domain. This paper(More)
In systems using shortest-path routing tables, a single link failure is enough to interrupt the message transmission by disconnecting one or more shortestpath spanning trees. The on-line recomputation of an alternative path or of the entire new shortest path trees, rebuilding the routing tables accordingly, is rather expensive and causes long delays in the(More)
Road region recognition is a main feature that is gaining increasing attention from intellectuals because it helps autonomous vehicle to achieve a successful navigation without accident. However, different techniques based on camera sensor have been used by various researchers and outstanding results have been achieved. Despite their success, environmental(More)
Wireless Sensor Networks (WSNs) consists of sensor nodes that are battery powered, these nodes are often deployed in remote areas and left unattended for long periods between battery charges. According to the studies, over sixty percent of energy is consumed during the transmission and reception process of the network. Due to the reason stated above,(More)
Research is taking place to find effective algorithms for content-based image representation and description. There is a substantial amount of algorithms available that use visual features (color, shape, texture). Shape feature has attracted much attention from researchers that there are many shape representation and description algorithms in literature.(More)
Fingerprint is one of the most extensively used biometric systems for authentication in areas where security is of high importance. This is due to their permanence, accuracy and reliability. However, extracting features out of degraded fingerprints is the most challenging in order to obtain high fingerprint matching performance. This paper intends to(More)
Recommender systems are software applications that belong to a class of personalized information filtering technologies that aim to support decision making in large information space. There are various techniques being used to achieve this goal in traditional and mobile recommender systems. The recommender systems techniques are usually classified in four(More)
Dis) similarity measure is a significant component of vector model. In content based image retrieval the compatibility of (dis)similarity measure and representation technique is very important for effective and efficient image retrieval. In order to find a suitable dis-similarity measure for a particular representation technique experimental comparison is(More)
In image retrieval most of the existing visual content based representation methods are usually application dependent or non robust, making them not suitable for generic applications. These representation methods use visual contents such as colour, texture, shape, size etc. Human image recognition is largely based on shape, thus making it very appealing for(More)
This paper introduces an object shape representation using Kernel Density Feature Points Estimator (KDFPE). In this method we obtain the density of feature points within defined rings around the centroid of the image. The Kernel Density Feature Points Estimator is then applied to the vector of the image. KDFPE is invariant to translation, scale and(More)