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All Outputs (49)

TIMAEUS: Three-dimensional Illuminated Media Augmented Sculptures (2018)
Presentation / Conference Contribution
Torrao, L., Mckie, D., & Papadopoulos, Y. (2018). TIMAEUS: Three-dimensional Illuminated Media Augmented Sculptures. In Proceedings of 20th Generative Art Conference,Soddu C. and Colabella E. (eds), Domus Argenia (459-469)

TIMAEUS is a digital art studio environment that enables creation of personalised 3-dimensional sculptures built with expanding spherical volumes or interconnected tetrahedra and possibly other atomic blocks in the future. These sculptures can be cus... Read More about TIMAEUS: Three-dimensional Illuminated Media Augmented Sculptures.

Thin Implicit Utah Teapot: Design for Additive Manufacturing (2018)
Presentation / Conference Contribution
Qi, Q., & Li, Q. (2018). Thin Implicit Utah Teapot: Design for Additive Manufacturing. In 2018 IEEE International Conference on Internet of Things (iThings) and IEEE Green Computing and Communications (GreenCom) and IEEE Cyber, Physical and Social Computing (CPSCom) and IEEE Smart Data (SmartData) (1933-1940). https://doi.org/10.1109/Cybermatics_2018.2018.00320

© 2018 IEEE. Converting a surface-based geometric object into a thin solid is an essential requirement for additive manufacturing. Although offset surface and thickening techniques have been widely used for this task, it is in general difficult to mo... Read More about Thin Implicit Utah Teapot: Design for Additive Manufacturing.

Implementation of combined geolocation database and infrastructure sensing in TV bands using different spectrum devices (2017)
Presentation / Conference Contribution
Fanan, A., Riley, N. G., Mehdawi, M., & Alfahad, O. (in press). Implementation of combined geolocation database and infrastructure sensing in TV bands using different spectrum devices. In Proceedings of the 25th Telecommunications forum TELFOR 2017

—In the present day, the TV Band has become a realistic option and has attracted much attention due to the potential to exploit underutilized TV white space for other communications, based on time and location. In this paper, we design a flexible sys... Read More about Implementation of combined geolocation database and infrastructure sensing in TV bands using different spectrum devices.

Influence of antenna selection on spectrum occupancy measurements in the context of cognitive radio (2017)
Presentation / Conference Contribution
Mehdawi, M., Riley, N. G., Fanan, A., & Ammar, M. (2017). Influence of antenna selection on spectrum occupancy measurements in the context of cognitive radio. In 2016 24th Telecommunications Forum (TELFOR). https://doi.org/10.1109/TELFOR.2016.7818754

© 2016 IEEE. Cognitive radio (CR) has been proposed as a solution to the spectrum scarcity problem, which is aggravated by emergence of bandwidth-hungry and feature-rich wireless applications. Selection of appropriate antennas for cognitive radio app... Read More about Influence of antenna selection on spectrum occupancy measurements in the context of cognitive radio.

Supporting custom quality models to analyse and compare open-source software (2016)
Presentation / Conference Contribution
Ruscio, D. D., Di Ruscio, D., Kolovos, D. S., Korkontzelos, Y., Matragkas, N., & Vinju, J. (2016). Supporting custom quality models to analyse and compare open-source software. In Quality of Information and Communications Technology (QUATIC), 2016 10th International Conference on the (94-99). https://doi.org/10.1109/QUATIC.2016.026

© 2016 IEEE. The analysis and comparison of open source software can be improved by means of quality models supporting the evaluation of the software systems being compared and the final decision about which of them has to be adopted. Since software... Read More about Supporting custom quality models to analyse and compare open-source software.

Comparison of spectrum occupancy measurements using software defined radio RTL-SDR with a conventional spectrum analyzer approach (2016)
Presentation / Conference Contribution
Fanan, A., Riley, N., Mehdawi, M., Ammar, M., & Zolfaghari, M. (2016). Comparison of spectrum occupancy measurements using software defined radio RTL-SDR with a conventional spectrum analyzer approach. . https://doi.org/10.1109/TELFOR.2015.7377447

In the present day Cognitive Radio has become a realistic option for solution of the spectrum scarcity problem in wireless communication. Recently, the TV band has attracted attention due to the considerable potential for exploitation of available TV... Read More about Comparison of spectrum occupancy measurements using software defined radio RTL-SDR with a conventional spectrum analyzer approach.

Spectrum occupancy measurements and lessons learned in the context of cognitive radio (2016)
Presentation / Conference Contribution
Mehdawi, M., Riley, N. G., Ammar, M., Fanan, A., & Zolfaghari, M. (2016). Spectrum occupancy measurements and lessons learned in the context of cognitive radio. . https://doi.org/10.1109/TELFOR.2015.7377446

Various measurement campaigns have shown that numerous spectrum bands are vacant even though licenses have been issued by the regulatory agencies. Dynamic spectrum access (DSA) based on Cognitive Radio (CR) has been regarded as a prospective solution... Read More about Spectrum occupancy measurements and lessons learned in the context of cognitive radio.

Evaluation of mobile health education applications for health professionals and patients (2016)
Presentation / Conference Contribution
Gordon, N., & Aljaber, T. (2016). Evaluation of mobile health education applications for health professionals and patients.

Paper presented at 8th International conference on e-Health (EH 2016), 1-3 July 2016, Funchal, Madeira, Portugal. ABSTRACT Mobile applications for health education are commonly utilized to support patients and health professionals. A critical evaluat... Read More about Evaluation of mobile health education applications for health professionals and patients.

Guided mesh normal filtering (2015)
Presentation / Conference Contribution
Zhang, W., Deng, B., Zhang, J., Bouaziz, S., & Liu, L. (2015). Guided mesh normal filtering. Computer graphics forum : journal of the European Association for Computer Graphics, 34(7), 23-34. https://doi.org/10.1111/cgf.12742

The joint bilateral filter is a variant of the standard bilateral filter, where the range kernel is evaluated using a guidance signal instead of the original signal. It has been successfully applied to various image processing problems, where it prov... Read More about Guided mesh normal filtering.

Security aspects in cognitive radio networks detection and mitigation of primary user emulation attacks (2015)
Presentation / Conference Contribution
Ammar, M., Riley, N., Mehdawi, M., Fanan, A., & Zolfaghari, M. (2015). Security aspects in cognitive radio networks detection and mitigation of primary user emulation attacks. In Advances in cognitive radio. International conference. 5TH 2015. (COCORA 2015) (1-7)

Cognitive Radio Networks (CR) is an advanced growing technique and a promising technology for the upcoming generation of the wireless networks. Deployment of such networks is hindered by the vulnerabilities that these networks are exposed to, in this... Read More about Security aspects in cognitive radio networks detection and mitigation of primary user emulation attacks.

Simplifying collaboration in co-located virtual environments using the active-passive approach (2015)
Presentation / Conference Contribution
Estrada, J. G., Springer, J. P., & Wright, H. (2015). Simplifying collaboration in co-located virtual environments using the active-passive approach. . https://doi.org/10.1109/3DCVE.2015.7153590

The design and implementation of co-located immersive virtual environments with equal interaction possibilities for all participants is a complex topic. The main problem, on a fundamental technical level, is the difficulty of providing perspective-co... Read More about Simplifying collaboration in co-located virtual environments using the active-passive approach.

Physical Layer Security in Cognitive Radio Networks: Detection and Mitigation of Primary User Emulation Attacks (2015)
Presentation / Conference Contribution
Ammar, M., Riley, N., Mehdawi, M., Fanan, A., & Zolfaghari, M. (2015). Physical Layer Security in Cognitive Radio Networks: Detection and Mitigation of Primary User Emulation Attacks. In International Conference on Artificial Intelligence, Energy and Manufacturing Engineering (ICAEME'2015) (86-91). https://doi.org/10.15242/IIE.E0115036

Cognitive Radio Networks (CR) is an advanced growing technique and a promising technology for the upcoming generation of the wireless networks in order to efficiently utilize the limited spectrum resources and satisfy the rapidly increasing demand fo... Read More about Physical Layer Security in Cognitive Radio Networks: Detection and Mitigation of Primary User Emulation Attacks.

Experimental detection using cyclostationary feature detectors for cognitive radios (2014)
Presentation / Conference Contribution
Zolfaghari, M., Fanan, A., Mehdawi, M., Riley, N. G., & Ammar, M. (2014). Experimental detection using cyclostationary feature detectors for cognitive radios. . https://doi.org/10.1109/telfor.2014.7034403

© 2014 IEEE. Signal detection is widely used in many applications. Some examples include Cognitive Radio (CR) and military intelligence. Without guaranteed signal detection, a CR cannot reliably perform its role. Spectrum sensing is currently one of... Read More about Experimental detection using cyclostationary feature detectors for cognitive radios.

Safety analysis of clinical workflows: The case of the workflow within a radiology department (2014)
Presentation / Conference Contribution
Gordon, N., Sharvia, S., Walker, M., & Al-Qora'n, L. (2014). Safety analysis of clinical workflows: The case of the workflow within a radiology department. . https://doi.org/10.1109/sai.2014.6918174

This paper was originally presented at the Science and Information Conference, 2014, 27-29 August, London. Abstract: Radiology Information Systems (RIS) and Picture Archiving and Communication systems (PACS) are used widely to help in the workflow ma... Read More about Safety analysis of clinical workflows: The case of the workflow within a radiology department.

Survey: A comparison of spectrum sensing techniques in cognitive radio (2014)
Presentation / Conference Contribution
Fanan, A., Riley, N., Mehdawi, M., Ammar, M., & Zolfaghari, M. (2014). Survey: A comparison of spectrum sensing techniques in cognitive radio. In International Conference Image Processing, Computers and Industrial Engineering (ICICIE'2014) (73-77). https://doi.org/10.15242/IIE.E0114560

In the present day Cognitive Radio has become a realistic option for solution of the spectrum scarcity problem in wireless communication. One of the most challenging issues in cognitive radio systems is spectrum sensing concepts, which is considered... Read More about Survey: A comparison of spectrum sensing techniques in cognitive radio.

A Spectrum Sensing Test Bed based on Matlab and USRP2 (2014)
Presentation / Conference Contribution
Ammar, M., Mehdawi, M., Riley, N., Fanan, A., Paulson, K., & Zolfaghari, M. (2014). A Spectrum Sensing Test Bed based on Matlab and USRP2. In International Conference Image Processing, Computers and Industrial Engineering (ICICIE'2014) (14-17). https://doi.org/10.15242/IIE.E0114

— The spectrum monitoring has gained new aspects with development of the software defined radio SDR as its very important issue in the spectrum management area. In this paper a spectrum monitoring technique with SDR is proposed, the setup of the prot... Read More about A Spectrum Sensing Test Bed based on Matlab and USRP2.

Cooperative wideband spectrum sensing with multi-bit hard decision in cognitive radio (2013)
Presentation / Conference Contribution
Mehdawi, M. A., Riley, N. G., Ammar, M., Fanan, A., & Zolfaghari, M. (2013). Cooperative wideband spectrum sensing with multi-bit hard decision in cognitive radio. . https://doi.org/10.1109/TELFOR.2013.6716212

Cognitive radio offers an increasingly attractive solution to overcome the underutilization problem. A sensor network based cooperative wideband spectrum sensing is proposed in this paper. The purpose of the sensor network is to determine the frequen... Read More about Cooperative wideband spectrum sensing with multi-bit hard decision in cognitive radio.

A comparative study of missing value imputation with multiclass classification for clinical heart failure data (2012)
Presentation / Conference Contribution
Zhang, Y., Kambhampati, C., Davis, D. N., Goode, K., & Cleland, J. G. F. (2012). A comparative study of missing value imputation with multiclass classification for clinical heart failure data. In Fuzzy Systems and Knowledge Discovery (FSKD), 2012 9th International Conference on (2840-2844). https://doi.org/10.1109/fskd.2012.6233805

Clinical data often contains missing values. Imputation is one of the best known schemes to overcome the drawbacks associated with missing values in data mining tasks. In this work, we compared several imputation methods and analyzed their performanc... Read More about A comparative study of missing value imputation with multiclass classification for clinical heart failure data.

A hierarchical method for the reduction of temporal expressions in Pandora (2010)
Presentation / Conference Contribution
Papadopoulos, Y., & Walker, M. (2010). A hierarchical method for the reduction of temporal expressions in Pandora. . https://doi.org/10.1145/1772630.1772634

Fault Tree Analysis (FTA) is a popular safety analysis technique used to determine the logical combination of events needed to cause a particular system failure. However, FTA is purely combinatorial and cannot analyse the effects of sequences of even... Read More about A hierarchical method for the reduction of temporal expressions in Pandora.