BRAIN 2015, Issues 3 & 4 (December 2015)

BRAIN issues 3-4, vol. 6, 2015

Table of Contents

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Articles

Authors:
Gabriela Tabacaru
Abstract:

- about the journal

- editors

- reviewers

- call for papers

- address

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Authors:
Maria Liliana Costin
Abstract:

Fingerprint identification is an important field in the wide domain of biometrics with many  applications, in different areas such: judicial, mobile phones, access systems, airports. There are  many elaborated algorithms for fingerprint identification, but none of them can guarantee that the  results of identification are always 100 % accurate. A first step in a fingerprint image analysing  process consists in the pre-processing or filtering. If the result after this step is not by a good quality  the upcoming identification process can fail. A major difficulty can appear in case of fingerprint  identification if the images that should be identified from a fingerprint image database are noisy  with different type of noise. The objectives of the paper are: the successful completion of the noisy  digital image filtering, a novel more robust algorithm of identifying the best filtering algorithm and  the classification and ranking of the images. The choice about the best filtered images of a set of 9  algorithms is made with a dual method of fuzzy and aggregation model. We are proposing through  this paper a set of 9 filters with different novelty designed for processing the digital images using  the following methods: quartiles, medians, average, thresholds and histogram equalization, applied  all over the image or locally on small areas. Finally the statistics reveal the classification and  ranking of the best algorithms.

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Authors:
Kieran Greer
Abstract:

This paper describes some biologically-inspired processes that could be used to build the  sort of networks that we associate with the human brain. New to this paper, a "˜refined' neuron will be  proposed. This is a group of neurons that by joining together can produce a more analogue system, but with  the same level of control and reliability that a binary neuron would have. With this new structure, it will be  possible to think of an essentially binary system in terms of a more variable set of values. The paper also  shows how recent research can be combined with established theories, to produce a more complete picture.
The propositions are largely in line with conventional thinking, but possibly with one or two more radical  suggestions. An earlier cognitive model can be filled in with more specific details, based on the new research  results, where the components appear to fit together almost seamlessly. The intention of the research has  been to describe plausible "˜mechanical' processes that can produce the appropriate brain structures and  mechanisms, but that could be used without the magical "˜intelligence' part that is still not fully understood.
There are also some important updates from an earlier version of this paper.
Keywords: neuron, neural network, cognitive model, self-organise, analogue, resonance.

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Authors:
Ján Mojžiš , Michal Laclaví­k
Abstract:

Semantic data browsing is important task for open and governmental data in behalf of  public control. There are many projects and solutions regarding semantic data browsing and  navigation, but despite the fact, in Slovakia, the availability of such data is poor. It is a shame,  because projects like National Action Plan of Open Government and the site data.gov.sk are  already operating for several years. In this work we would like to point out key aspects of  semantic data and detail the Slovak market of semantic data. We design and propose our solution of semantic data browsing, evaluate the implementation in our AGECRT NET tool.

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Authors:
M. Sreeshakthy , J. Preethi
Abstract:

Department of Computer Science and Engineering,
Anna University Regional Centre, Coimbatore, India
m.sribtechit@gmail.com
J. Preethi
Department of Computer Science and Engineering
Anna University Regional Centre, Coimbatore, India
preethi17j@yahoo.com
Emotions are very important in human decision handling, interaction and cognitive process.  In this paper describes that recognize the human emotions from DEAP EEG dataset with different  kind of methods. Audio — video based stimuli is used to extract the emotions. EEG signal is divided  into different bands using discrete wavelet transformation with db8 wavelet function for further  process. Statistical and energy based features are extracted from the bands, based on the features  emotions are classified with feed forward neural network with weight optimized algorithm like  PSO. Before that the particular band has to be selected based on the training performance of neural  networks and then the emotions are classified. In this experimental result describes that the gamma  and alpha bands are provides the accurate classification result with average classification rate of  90.3% of using NNRBF, 90.325% of using PNN, 96.3% of using PSO trained NN, 98.1 of using  Cuckoo trained NN. At last the emotions are classified into two different groups like valence and  arousal. Based on that identifies the person normal and abnormal behavioral using classified  emotion.

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Authors:
Daniela Popescul , Mircea Georgescu
Abstract:

The purpose of this study is to estimate what we know about Generation Y students'  behavior in Social Media (SM), especially in our country. The correct identification of their traits is  crucial for the academic community, primarily from the perspective of understanding their real  needs, as beneficiaries of teaching act, followed by a serious and consistent adaptation of our offer.  In an extended literature review, we try to determine the reasons for SM use, their preferences for  one medium or another, the way, place and time of SM use, and the Romanian particularities in the  general personality portrait observed and explained by literature. We discuss the advantages and
disadvantages of their intensive SM use, show how the time spent in SM affect the individuals and  the universities, and try to find out what their needs and expectancies are. In our opinion, the  problems treated here are of interest both for professors as individuals, and for the universities' and  faculties' management — especially in a world in which the borderline between the physical and  virtual life is becoming more and more difficult to draw.

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Authors:
Dana Crăciun , Mădălin Bunoiu
Abstract:

Internet and social media (SM) have revolutionized the way scientific information is  disseminated within our society. Nowadays professional and/or social networks are increasingly  used for learning and informal science education successfully supplements the formal one at all
educational levels. Students become addicted to technology from an early age and consistently use  SM for communication purposes and personal image. In this context, it is reasonable to assume that  the use of Web 2.0 and SM can be successfully integrated in formal science education. This  integration, however, depends mainly on how teachers design the learning activities using Web 2.0  and SM, on their digital skills and expertise, on their attitude towards using SM to communicate for  personal and professional purposes and to obtain educational benefits. In this study we start from  the premise that a positive attitude of future science teachers towards ICT integration and their
willingness to use SM in their educational communication can be formed in the initial teacher  training program, being a crucial factor for the effective use of such tools in education in the future.  We detail two activities and analyze them from the SM and Web 2.0 integration perspectives. The  first activity is an extracurricular one in which students had to create a digital story and present it to  secondary school children in class. The second activity is a curricular one aimed to promote a  project-based learning and based on making a comic about an optical phenomenon taught in  secondary school. We present and discuss these activities to emphasize how the skills that target
science teaching using ICT and SM can be developed.