Costa, Daniel G., Vasques, F., Portugal, P. "Enhancing the Availability of Wireless Visual Sensor Networks: Selecting Redundant Nodes in Networks with Occlusion", Applied Mathematical Modelling, 42, 223-243, 2017. [doi]

Costa, Daniel G., Collota, M., Pau, G., Duran-Faundez, C. "A Fuzzy-Based Approach for Sensing, Coding and Transmission Configuration of Visual Sensors in Smart City Applications". Sensors, 17, 93, 1-19, 2017. [doi]

Costa, Daniel G., Figueredo, S., Oliveira, G. "Cryptography in Wireless Multimedia Sensor Networks: A Survey and Research Directions". Cryptography, 1, 4, 1-18, 2017. [doi]

Costa, Daniel G., Duran-Faundez, C. "Assessing Availability in Wireless Visual Sensor Networks Based on Targets's Perimeters Coverage", Journal of Electrical and Computer Engineering, Article ID 9312439, 14 pages, 2016. [doi]

Silva, Tassalon F., Costa, Daniel G. "Centralized Algorithms for Redundant Coverage Maximization in Wireless Visual Sensor Networks", IEEE Latin America Transactions, 14, 7, 3378-3384, 2016. [doi]

Duran-Faundez, C., Costa, Daniel G., Lecuire, V. "Perimeter-based Calculation of Object Coverage in Multi-Camera Systems", Engineering Letters, 24, 384-391, 2016.

Goncalves, D., Costa, Daniel G. "A Survey of Image Security in Wireless Sensor Networks", Journal of Imaging, 1, pp. 4-30, 2015. [doi].

Costa, Daniel G., Guedes, L. A., Vasques, F., Portugal, P. "Research Trends in Wireless Visual Sensor Networks When Exploiting Prioritization", Sensors, 15, pp. 1760-1784, 2015. [doi].

Costa, Daniel G., Guedes, L. A., Vasques, F., Portugal, P. "Relevance-based partial reliability in wireless sensor networks", EURASIP Journal on Wireless Communications and Networking, pp. 1-16, 2014. [doi].

Costa, Daniel G., Silva, I., Guedes, L. A., Vasques, F., Portugal, P. "Availability Issues in Wireless Visual Sensor Networks", Sensors, 14, pp. 2795-2821, 2014. [doi].

Costa, Daniel G., Guedes, L. A., Vasques, F., Portugal, P. "Adaptive Monitoring Relevance in Camera Networks for Critical Surveillance Applications", International Journal of Distributed Sensor Networks, pp. 1-14, 2013. [doi].

Costa, Daniel G., Guedes, L. A., Vasques, F., Portugal, P. "Redundancy-Based Semi-Reliable Packet Transmission in Wireless Visual Sensor Networks Exploiting the Sensing Relevancies of Source Nodes", WSEAS Transactions on Communications, 12, pp. 468-478, 2013. [doi].

Costa, Daniel G., Guedes, L. A., Vasques, F., Portugal, P. "Energy-Efficient Packet Relaying in Wireless Image Sensor Networks Exploiting the Sensing Relevancies of Source Nodes and DWT Coding", Journal of Sensor and Actuator Networks, 2, pp. 424-448, 2013. [doi].

Costa, Daniel G., Guedes, L. A. "Exploiting the Sensing Relevancies of Source Nodes for Optimizations in Visual Sensor Networks", Multimedia Tools and Applications, 64, pp. 549-579, 2013. [doi].

Duran-Faundez, C., Costa, Daniel G., Lecuire, V., Vasques, F. "A Geometrical Approach to Compute Source Prioritization Based on Target Viewing in Wireless Visual Sensor Networks", IEEE World Conference on Factory Communication Systems (IEEE WFCS 2016), Aveiro, Portugal, 2016.

Gonçalves, D., Costa, Daniel G. "Energy-efficient Adaptive Encryption for Wireless Visual Sensor Networks", Brazilian Symposium on Computer Networks (SBRC 2016), Salvador, Brazil, 2016.

Costa, Daniel G., Silva, I., Guedes, L. A., Vasques, F., Portugal, P. "Optimal Sensing Redundancy for Multiple Perspectives of Targets in Wireless Visual Sensor Networks", IEEE Industrial Informatics (IEEE INDIN 2015), Cambridge, UK, 2015.

Costa, Daniel G., Silva, I., Guedes, L. A., Vasques, F., Portugal, P. "An Availability Metric for Wireless Visual Sensor Networks", Brazilian Symposium on Intelligent Automation (SBAI 2015), Natal, Brazil, 2015.

Peixoto, J. P., Costa, Daniel G. "QoE-Aware Multiple Sinks Mobility in Wireless Sensor Networks", IEEE/IFIP New Technologies, Mobility and Security (NTMS 2015), Paris, France, 2015.

Costa, Daniel G., Silva, I., Guedes, L. A., Vasques, F., Portugal, P. "Enhancing Redundancy in Wireless Visual Sensor Networks for Target Coverage", Brazilian Symposium on Multimedia and the Web (WebMedia 2014), João Pessoa, Brazil, 2014.

Costa, Daniel G., Silva, I., Guedes, L. A., Vasques, F., Portugal, P. "Availability Assessment of Wireless Visual Sensor Networks for Target Coverage", IEEE International Conference on Emerging Technologies in Factory Automation (IEEE ETFA 2014), Barcelona, Spain, 2014.

Costa, Daniel G., Guedes, L. A., Vasques, F., Portugal, P. "Relevance-based Balanced Sink Mobility in Wireless Visual Sensor Networks", IEEE Industrial Informatics (IEEE INDIN 2014), Porto Alegre, Brazil, 2014.

Costa, Daniel G., Silva, I., Guedes, L. A., Vasques, F., Portugal, P. "Selecting Redundant Nodes when Addressing Availability in Wireless Visual Sensor Networks", IEEE Industrial Informatics (IEEE INDIN 2014), Porto Alegre, Brazil, 2014.

Costa, Daniel G., Guedes, L. A., Vasques, F., Portugal, P. "Delay-aware DWT-based Image Transmission in Wireless Visual Sensor Networks", Brazilian Symposium on Multimedia and the Web (WebMedia 2013), Salvador, Brazil, 2013. [doi].

Costa, Daniel G., Guedes, L. A., Vasques, F., Portugal, P. "Partial Energy-Efficient Hop-by-Hop Retransmission in Wireless Sensor Networks", IEEE Industrial Informatics (IEEE INDIN 2013), Bochum, Germany, 2013. [doi].