This work proposes an efficient realization of March test for fault detection in high speed memories. The realization is based on the theory of a modeling tool called cellular automata (CA). A special class of CA arch...
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This work proposes an efficient realization of March test for fault detection in high speed memories. The realization is based on the theory of a modeling tool called cellular automata (CA). A special class of CA architecture referred to as the SACA is considered for the test logic design. The test logic/hardware thus developed operates on the data read from the memory during March. It outputs an one-bit signature to detect faults in the memory chip, effectively reducing the comparison time required in conventional realization. The regular structure of CA enables low cost implementation of the test hardware for a memory chip, that is inherently regular in structure. The introduction of segmented CA structure further enables the drastic reduction in testing time.
A proof-of-principle research effort is presented to demonstrate the benefits of using a permanent magnet quadrupole focusing lattice to increase the beam current in a TWT. Recent work by researchers at the Naval Rese...
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CAPTCHA technology is at a boom in the field of information security. When text CAPTCHAs are at a point of break down, it is the time for the image based CAPTCHAs to get a pace. But often the designers of the CAPTCHA ...
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CAPTCHA technology is at a boom in the field of information security. When text CAPTCHAs are at a point of break down, it is the time for the image based CAPTCHAs to get a pace. But often the designers of the CAPTCHA forget the issues related to the usability as the objective of a CAPTCHA is to reduce the burden of solving it along with the robustness. In this paper, we have shown an analysis of some image based CAPTCHAs with different usability factors. This analysis is made manually with the data collected by the GWAP concept.
Individuals with Blindness or Severe Visual Impairment (IBSVI) have not had equivalent access to reading materials, especially for slate-type devices. Features such as highlighting and note taking are essential for ac...
ISBN:
(纸本)9780945289418
Individuals with Blindness or Severe Visual Impairment (IBSVI) have not had equivalent access to reading materials, especially for slate-type devices. Features such as highlighting and note taking are essential for active reading and engagement. The purpose of this project is to iteratively design a software system for slate type devices (e.g., iPad) to provide IBSVIs with equivalent reading experience as to sighted users. A participatory design (PD) approach is being adopted throughout the project by designing 'with' IBSVI users. The first PD session aimed to explore and obtain feedback on the different layouts of the overlays (tactile pattern over iPad to guide reading), different text densities, sonification, and navigation through the STAAR (Spatial Touch Audio Annotator and Reader) system. IBSVI consultants gave significant feedback and design inputs. Consultants also brainstormed with researchers for ideas to improve the features of the system.
In the field of information security, CAPTCHA technology is a recent successful achievement. Apart from using different text CAPTCHAs, image-based CAPTCHAs are also in existence. Though text based CAPTCHAs are in regu...
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In the field of information security, CAPTCHA technology is a recent successful achievement. Apart from using different text CAPTCHAs, image-based CAPTCHAs are also in existence. Though text based CAPTCHAs are in regular usage in internet services, the vulnerability in text CAPTCHAs has compiled us to move on to the image based CAPTCHAs. Therefore before implementing image based CAPTCHAs publicly, it is necessary to analyze the different complexity issues related to image based CAPTCHAs. In this paper we have presented the analyzed results based on the complexity issues including both space and time. The analysis is done on the data collected with the help of gamification of image based CAPTCHAs called CAPTCHINO.
Longest edge (nested) algorithms for triangulation refinement in two dimensions are able to produce hierarchies of quality and nested irregular triangulations as needed both for adaptive finite element methods and for...
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Intermittent networks (IntNET) are networks where all the links in a path may not be available concurrently. Finding routes on such a network is hard. No trivial extension of classical routing protocols is known to pr...
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In this paper, new computational methods for solving fully fuzzy linear systems (FFLS) when the coefficient matrix is negative are proposed. The proposed methods are very easy to understand and to apply for solving fu...
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Denial of Service (DoS) attacks has become a major problem for users of computer systems connected to the Internet. DoS attackers hijack secondary victim systems and use them to wage a coordinated large-scale attack a...
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Denial of Service (DoS) attacks has become a major problem for users of computer systems connected to the Internet. DoS attackers hijack secondary victim systems and use them to wage a coordinated large-scale attack against primary victim systems. In this paper we propose a new countermeasure to mitigate DoS using sensing keys, which does not require human intervention.
In this paper, a case study on the application of Naïve Bayes dichotomizer in clinical decision supporting systems is described. The case study is about the diagnosis of the possibility of having Pervasive Develo...
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In this paper, a case study on the application of Naïve Bayes dichotomizer in clinical decision supporting systems is described. The case study is about the diagnosis of the possibility of having Pervasive Developmental Disorder (PDD) in a child. The age group selected for the study is in between 2 and 3 years. Pervasive developmental Disorder is a neuro disorder that affects the social functioning, behavioural functioning and communication in a child. Conventional diagnosis is based on the scores obtained on checklists like DSM-IV Criteria. As Bayesian reasoning uses probability inferences, it is usually applied on decision making systems. Here for the study a Naive Bayes probabilistic dichotomizer was implemented. This dichotomizer calculates the most probable output depending on the inputs given to it, by applying the Bayes rule. Since the classifier is considering only two classes, the classifier is called as dichotomizer. The minimum expected risk and positive discriminant functions are also calculated, which again supports the decision of Naive Bayes dichotomizer. Implementation of Maximum A Priori Hypothesis and Maximum Likelihood Hypothesis are also discussing on the case study for a comparison. The main goal of this research work was to study the application of some probabilistic reasoning techniques in clinical decision supporting systems, where classification is more important. Based on the implementation of our case study, the findings shown that Naive Bayes dichitomizer supported with minimum expected risk and positive discriminant function, classifies correctly in clinical decision supporting systems.
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