Proceedings of International Conferences

2023

1. Lupión, M., González-Ruiz, V., Medina-Quero, J., Sanjuan, JF., Ortigosa, PM. THPoseLite, a Lightweight Neural Network for Detecting Pose in Thermal Images. Andaluz.IA Conference. 19-20 December, 2023. Sevilla, Spain. 

2. Lupión, M.,  Romero,  F.,  Romero, LF. ,  Sanjuan JF., Ortigosa, PM.  Edge IoT System for Wearable Devices: Real-Time Data Processing, Inference, and Training for Activity Monitoring and Health Evaluation. 15th International Conference on Ubiquitous Computing and Ambient Intelligence. 28th to November 30th, 2023. Riviera Maya, Mexico. 

3. Romero,  F., Romero, LF., Lupión, M., Sanjuan JF., Ortigosa, PM.  Accelerating Epilepsy Diagnosis and Prediction on EEG Signals with GPU-Based Frequency Domain Analysis and Resampling. CMMSE 2023. July 3-8. Rota, Spain.

4. Lupión, M. López L., González-Ruiz, V., Sanjuan, JF., Ortigosa, PM. Fall Detection in Smart Environments: A Comparative Study between Thermal Cameras and IMU-based Devices. 17th International Work-Conference on Artificial Neural Networks (IWANN). 19-21 june. Ponta Delgada, Azores, Portugal, 2023

5. N.C. Cruz, S. Puertas-Martín, J.L. Redondo, P.M. Ortigosa. Preliminary Results of Using the Tangram Meta-Heuristic for Virtual Screening in Drug Discovery. In Proceedings of the International Conference on Bioinformatics and Biomedical Engineering, Ref. 6563, Gran Canaria, Spain, July, 2023.

6. N.C. Cruz, J.F. Sanjuan Estrada, M. Lupión, E.M. Garzón, P.M. Ortigosa.. Low-cost chip programming for teaching and learning digital skills. EDULEARN23 Proceedings, pp.  2662-2671, IATED, 3rd-5th July 2023. ISBN: 978-84-09-52151-7.

7. J.F. Sanjuan Estrada, N.C. Cruz, M. Lupión, E.M. Garzón, P.M. Ortigosa. Artificial intelligence applied to teaching. EDULEARN23 Proceedings, pp.  2692-2701, IATED, 3rd-5th July 2023. ISBN: 978-84-09-52151-7.

8. J.F. Sanjuan Estrada, N.C. Cruz, M. Lupión, E.M. Garzón, P.M. Ortigosa.. Teamwork using Colab notebooks in the cloud. EDULEARN23 Proceedings, pp.  2710-2718, IATED, 3rd-5th July 2023. ISBN: 978-84-09-52151-7.

2022

1. Lupión, M., Cruz, N.C., Ortigosa, P.M.  Teaching-Learning-based optimization for designing convolutional neural networks. HUGO 2022. September 6-8. Szeged, Hungary.

2. Lupión, M., Polo-Rodríguez,  A., Ortigosa, PM.,  Medina-Quero, J. ThermalYOLO: A Person Detection Neural Network in Thermal Images for Smart Environments. 14th International Conference on Ubiquitous Computing and Ambient Intelligence. 30nd November-2 December, 2022. Córdoba, Spain. 

3. Lupión, M., González-Ruiz, V., Sanjuan, J.F. , Medina-Quero, J., Ortigosa, P.M. Detection of unconsciousness in falls using thermal vision sensors. ICR 2022. August 29-31. Athens, Greece.

4. Lupión, M., Cruz, N.C., Paechter, B., Ortigosa, P.M.  On the use of teaching-learning based optimization to train neural networks. Europt 2022. July 29-30. Caparica, Portugal.

5. Lupión, M., Cruz, N.C., Ortigosa, P.M. Training large convolutional neural networks through population-based meta-heuristics. OLA 2022. July 18-20. Syracuse, Italy.

6. Lupión, M., Sanjuan, J.F., Medina-Quero, J., Ortigosa, P.M.  Epilepsy seizure detection using low-cost IoT devices and a federated machine learning algorithm. ISAmI 2022. July 13-15. L’Aquila, Italy.

7. Lupión, M., Cruz, N.C., Paechter, B., Ortigosa, P.M.  On optimizing the structure of neural networks through a compact codification of their architecture. MIC 2022. July 11-14. Ortigia-Syracuse, Italy.

8. Lupión, M., Cruz, N.C., Ortigosa, P.M.  On analyzing a parallel multi-GPU framework for the architecture optimization of neural networks. CMMSE 2022. July 3-7. Rota, Spain.

9. Polo-Rodríguez, A., Lupión, M., Ortigosa, P.M., Medina-Quero, J. Estimating frontal body-landmark from thermal sensors using Residual Neural Networks. IWBBIO 2022. June 27-30. Gran Canaria, Spain.

10. S. Puertas-Martín, J. L. Redondo, H. Pérez-Sánchez, V. J. Gillet, and P. M. Ortigosa, Optimization based on atom-pair properties in flexible ligands by optipharm, in XV. Workshop on Global Optimization, University of Szeged, Szeged, Hungary, Sep. 2022.

11. J. J. Moreno, S. Puertas-Martín, J. L. Redondo, L. G. Casado, P. M. Ortigosa, and E. M. Garzón, A new hybrid optimization algorithm to combine physical and biological criteria to compute imrt planning, in 19th Workshop on Advances in Continuous Optimization, University Nova de Lisboa, Lisbon, Portugal, Jul. 2022.

12. J. J. Moreno, S. Puertas-Martín, J. L. Redondo, P. M. Ortigosa, and E. M. Garzón, Acceleration of the tuning of eud model for imrt planning on multigpu clusters,  in 22th International Conference Computational and Mathematical Methods in Science and Engineering, University of Cadiz, Rota, Spain, Jul. 2022.

13. S. Puertas-Martín, J. L. Redondo, V. J. Gillet, H. Pérez-Sánchez, and P. M. Ortigosa, Optimization method for maximizing the similarity in flexible molecules, in 19th Workshop on Advances in Continuous Optimization, University Nova de Lisboa, Lisbon, Portugal, Jul. 2022.

14. S. Puertas-Martín, J. J. Moreno, J. L. Redondo, P. M. Ortigosa, A. Zawadzka, J. Miroforidis, I. Kaliszewski, and E. M. Garzón, New multiobjective strategies to optimize constrained eud radiotherapy models, in 26th International Conference on Multiple Criteria Decision Making, University of Portsmouth, Portsmouth, United Kingdom, Jun. 2022.

15. S. Puertas-Martín, J. L. Redondo, A. J. Banegas-Luna, E. M. Garzón, H. Pérez-Sánchez, V. J. Gillet, and P. M. Ortigosa, Virtual screening based on electrostatic similarity and flexible ligands, in The 22nd International Conference on Computational Science and Its Applications, University of Malaga, Malaga, Spain, Jun. 2022.

16. S. Puertas-Martín, J. L. Redondo, E. M. Garzón, H. Pérez-Sánchez, and P. M. Ortigosa, Increasing the accuracy of optipharm’s virtual screening predictions by implementing molecular flexibility, in 9th International Work-Conference on Bioinformatics and Biomedical Engineering, University of Granada, Gran Canaria, Spain, Jun. 2022.

2021

1. Lupión, M., Sanjuan, J.F. ,  Ortigosa, P.M.  Accelerating Pix2Pix training using a multi-gpu node. CMMSE 2021. July 22-27. Rota, Cádiz

2. S. Puertas-Martín , J. J. Moreno, J. L. Redondo, P. M. Ortigosa, and E. M. Garzón, Optimizing EUD model parameters in radiotherapy planning, The 7th Int’l Conf on Health Informatics and Medical Systems, American Council on Science and Education, Las Vegas, USA, Jul. 2021. (Virtual)

3. S. Puertas-Martín, J. L. Redondo, H. Pérez-Sánchez, and P. M. Ortigosa, Optimization of molecular descriptors using memetic algorithms, 18th Workshop on Advances in Continuous Optimization, EurOpt2021, Ecole Nationale de l’Aviation Civile, Toulouse, France, Jul. 2021. (Virtual)

4. Cruz, N.C.; Monterreal, R.; Redondo, J.L.; Fernández-Reche, J.; Orts, R.E.; Ortigosa, P.M. Optical characterization of heliostat facets through computational optimization. En 18th Workshop on Advances in Continuous Optimization, EurOpt2021, École Nationale de l’Aviation Civile, Toulouse, France, Jul. 2021. (Virtual)

2020

1. Lupión M., Redondo J.L., Sanjuan J.F., Ortigosa P.M. (2021) Deployment of an IoT Platform for Activity Recognition at the UAL’s Smart Home. In: Novais P., Vercelli G., Larriba-Pey J.L., Herrera F., Chamoso P. (eds) Ambient Intelligence – Software and Applications. ISAmI 2020. Advances in Intelligent Systems and Computing, vol 1239. Springer, Cham. https://doi.org/10.1007/978-3-030-58356-9_9

2. S. Puertas-Martín, J. L. Redondo, H. Pérez-Sánchez, and P. M. Ortigosa, Maximizing the electrostatic similarity in drug discovery through evolutionary algorithms, 8th International Work-Conference on Bioinformatics and Biomedical Engineering, University of Granada, Granada, Spain, Sep. 2020. (Virtual) 

2019

1. Cruz, N., Ruiz-Ferrández, M., Redondo, J.L., Álvarez, J., Ortigosa, P., Applications of CHIP-8 a virtual machine from the late seventies, in current degrees in computer engineering, EDULEARN19 Proceedings, pp. 1720-1729, IATED, 1st-3rd July 2019.

2. N.C. Cruz, J.D. Álvarez, J.L. Redondo, M. Berenguel, P.M. Ortigosa, R. Klempous, Control and optimal management of a heliostat field for solar power tower systems, IEEE 23rd International Conference on Intelligent Engineering Systems, Vol. 1, pp. 271--274, April 2019.

3. P.M. Ortigosa, S. Puertas-Martín, J. L. Redondo, H. Pérez-Sánchez. Global Optimization in Drug Discovery, 11th International Workshop on Data Analysis Methods For Software Systems (DAMSS), 28-30 November 2019. Invited talk. Druskininkai, Lituania.

2018

1. Cruz, N.C., Álvarez, J.D., Redondo, Berenguel, M., Ortigosa, P.M., On controlling the flux map of solar power tower plants through global optimization, Proceedings of 6th EUROPT Workshop on Advances in Continuous Optimization, Vol. 1, pp. 4--4, July 2018.

2. N.C. Cruz, S. Salhi, J.L. Redondo, J.D. Álvarez, M. Berenguel, P.M. Ortigosa, A Lightweight Heliostat Field Post-Optimizer, Proceedings of LeGO 2018 - Int. Workshop on Global Optimization, Vol. 14, pp. 1--4, September 2018.

3. Cruz, N.C., Salhi, S., Redondo, J.L., Álvarez, J.D., Berenguel, M., Ortigosa, P.M., Sector-based division for continuous heliostat field optimization, Proceedings of OLA'2018 International Workshop on Optimization and Learning: Challenges and Applications, Vol. 1, pp. 17--18, February 2018.

4. M.R. Ferrández, J.L. Redondo, B. Ivorra, P.M. Ortigosa, A.M. Ramos, Improving the performance of a preference-based optimization algorithm applied to a food processing problem Proceedings OLA'2018 International Workshop on Optimization and Learning: Challenges and Applications pp. 67-68, 26-28 February 2018.

5. M.R. Ferrández, J.L. Redondo, B. Ivorra, A.M. Ramos, P.M. Ortigosa, A multi-objective approach for determining the parameters of epidemiological models Proceedings of EUROPT 2018 p. 15, 12-13 July 2018.

6. M.R. Ferrández, B. Ivorra, J.L. Redondo, A.M. Ramos, P.M. Ortigosa, Predicting The Spread Of Epidemiological Diseases By Using A Multi-Objective Algorithm, Proceedings of LeGO 2018 - Int. Workshop on Global Optimization, Vol. 1, pp. 1--4, 18-21 September 2018.

7. S. Puertas-Martín, J.L. Redondo, H. Pérez-Sánchez, P.M. Ortigosa, Virtual screening in molecular shape by using an evolutionary algorithm, Proceedings OLA2018 International Workshop on Optimization and Learning: Challenges and Applications Alicante, Spain, pp. 63-64, 26-28 February 2018.

8. S. Puertas-Martín, J. L. Redondo, H. Pérez-Sánchez, P. M. Ortigosa, Optimizing electrostatic similarity using a global evolutionary algorithm, 16th EUROPT Workshop on Advances in Continuous Optimization (EUROPT2018) Almeria, Spain, p. 20, 12-13 July 2018.

9. S. Puertas-Martín, J.L. Redondo, H. Pérez-Sánchez, P. M. Ortigosa, Multi-objective evolutionary algorithm for Evaluation of Shape and Electro- static Similarity, LeGO - 14th Int l Global Optimization Workshop Leiden, The Netherlands, 018-21 September 2018.

2017

1. Cruz, N.C., Salhi, S., Redondo, J.L., Álvarez, J.D., Berenguel, M., Ortigosa, P.M., A parallel genetic algorithm for continuous and pattern-free heliostat field optimization, Proceedings of the 17th International Conference on Computational and Mathematical Methods in Science and Engineering, CMMSE 2017, Vol. 2, pp. 684--694, July 2017.

2. M.R. Ferrández, S. Puertas-Martín, J.L. Redondo, B. Ivorra, A.M. Ramos, P.M. Ortigosa, High-Performance Computing for Optimizing High-Pressure Thermal Treatments in Food Processing Proceedings of the 17th International Conference on Computational and Mathematical Methods in Science and Engineering, CMMSE 2017 Vol. 3, pp. 862-869, 4-8 July 2017.

3. Ortega, G., Garzón, E.M., Calvo-Cruz, N., Redondo, J.L., Salmerón, J.M., Casado, L., González, V., Ortigosa, P., Medina-López, C., Moreno Riado, J.J., Ruiz Ferrández, M., Orts, F., Puertas, S., EDUCATIONAL STRATEGIES BASED ON LOW-COST PLATFORMS IN THE AREA OF COMPUTER ENGINEERING, ICERI2017 Proceedings, pp. 7212-7218, IATED, 16th-18th November 2017.

4. Savíns Puertas-Martín, Miriam R. Ferrández Juana L. Redondo, Horacio Pérez-Sánchez, Pilar M. Ortigosa, Enhancing Molecular Shape Comparison by a Parallel Global Evolutionary Algorithm, Proceedings of the 17th International Conference on Computational and Mathematical Methods in Science and Engineering Rota, Spain, pp. 1722-1728, 4-8 July 2017.

2016

1. Cruz, N.C., Redondo, J.L., Álvarez, J.D., Berenguel, M., Ortigosa, P.M., On achieving a desired flux distribution on the receiver of a solar power tower plant, Proceedings of the XIII Global Optimization Workshop, pp. 61--64, 2016.

2. Cruz, N.C., Redondo, J.L., Álvarez, J.D., Berenguel, M., Ortigosa, P.M., On applying a parallel Teaching-Learning-Based optimization procedure for automatic heliostat aiming, Proceedings of the 16th International Conference on Computational and Mathematical Methods in Science and Engineering, (J. Vigo-Aguiar Ed.), Vol. 2, pp. 424--432, 2016.

3. Miriam R. Ferrández, Juana L. Redondo, Benjamin Ivorra, Ángel M. Ramos, Pilar M. Ortigosa, Optimization of Enzymes Inactivation in High Pressure Processes, Proceedings of the XIII Global Optimization Workshop, GOW'16 pp. 69-72, 4-8 September 2016.

4. Savíns Puertas-Martín, Juana L. Redondo, Helena den-Haan, Horacio Pérez-Sánchez, Pilar M. Ortigosa, Multiobjective Based Scoring Function for Ligand Based Virtual Screening, Proceedings of the XIII Global Optimization Workshop, GOW'16 University of Minho, Braga, Portugal, pp. 105-108, 4-8 September 2016.

5. Savíns Puertas-Martín, Helena Den-Haan, Juana L. Redondo, Horacio Pérez-Sánchez, Pilar M. Ortigosa, Enhancing Molecular Shape Comparison by a Global Evolutionary Algorithm, 4th International Work-Conference on Bioinformatics and Biomedical Engineering, University of Granada, Granada, Spain, 20-22 April 2016.

2015

1. Cruz, N.C., Redondo, J.L., Berenguel, M., Ortigosa, P.M., Optimization of the heliostat field layout in a Solar Central Receiver System by using evolutionary algorithms, 27th European Conference on Operational Research Programme, p. 298, 2015.

2. Cruz, N.C., Redondo, J.L., Berenguel, M., Ortigosa, P.M., Parallelizing the heliostat field layout evaluation, Proceedings of the 15th International Conference on Computational and Mathematical Methods in Science and Engineering, (J. Vigo-Aguiar Ed.), Vol. 2, pp. 397--402, 2015.

2014

1. González-Casado, Leocadio, González-Ruiz, Vicente, Martínez-García, José Antonio, Martinez-Ortigosa, Pilar, Sanjuan-Estrada, Juan Francisco, Martín-Garzón, Gracia Ester, Rodríguez-Herrera, Juan Francisco, Integración Del Currículo De Cisco Netacad Como Complemento Docente, VII Jornadas De Innovación Docente En La Universidad De Almería, 2014.

2. A.G. Arrondo, J.L. Redondo, J. Fernández, B.G. Tóth, P.M. Ortigosa, Planar facility location with probabilistic outer competition and deterministic inner competition, Proceedings of the XII Global Optimization Workshop. Mathematical and Applied Global Optimization (MAGO 2014), (L.G. Casado, I. Garcia, E.M.T. Hendrix Ed.), pp. 89-92, September 2014.

3. J. Fernández, A.G. Arrondo, J.L. Redondo, P.M. Ortigosa, A tri-objective model for franchise expansion, Proceedings of the XII Global Optimization Workshop. Mathematical and Applied Global Optimization (MAGO 2014), (L.G. Casado, I. Garcia, E.M.T. Hendrix Ed.), pp. 81-84, September 2014.

2012

1. A.G. Arrondo, J.L. Redondo, J. Fernández, Pilar M. Ortigosa, Solving the planar leader-follower problem with variable demand via hybrid parallel algorithms, Proceedings of the Global Optimization Workshop (GOW 2012), pp. 31-34, June 2012.

2. J.L. Redondo, J. Fernández, J.D. Álvarez, A.G. Arrondo, P.M. Ortigosa, A new method for approximating the Pareto-front of multiobjectie optimization problems: application to a planar bi-objective facility location problem, Proceedings of the Global Optimization Workshop (GOW 2012), pp. 109-112, June 2012.

2011

1. A.G. Arrondo, J. Fernández, J.L. Redondo, P.M. Ortigosa, Solving a competitive location problem with variable demand via parallel algorithms, Proceedings of the 2011 International Conference on Computational and Mathematical Methods in Science and Engineering, (J. Vigo-Aguilar Ed.), Vol. 1, pp. 127-137, CMMSE, 2011.

2. A.G. Arrondo, J. Fernández, J.L. Redondo, P.M. Ortigosa, Fixed or variable demand? Does it matter when locating a facility?, Proceedings of the EURO Conference for young researchers (Operational Research Peripatetic Post-Graduate Programme (ORP3-2011), (A. Castaño, I. Espejo, B. López, J. Puerto, C. Ramos, A.M.R. Chía C. Valero Ed.), Vol. 1, pp. 95-99, University of Cádiz, 2011.

2010

1. J.L.Redondo, J. Fernández, A.G. Arrondo, I.~García, P.M. Ortigosa., Resolución del problema del líder-seguidor con demanda variable mediante algoritmos heurísticos, XXXII Congreso Nacional de Estadística e Investigación Operativa VI Jornadas de Estadística Pública, (Julián Costa Bouzas, Rubén Fernández Casal, Manuel Antonio Presedo Quindimil, Juan Manuel Vilar Fernández. Ed.), pp. 1--6, La Coruña, Spain:Orbigraf, 2010.

2. J.L.Redondo, J. Zilinskas, P.M. Ortigosa, Multidimensional scaling based on universal evolutionary global optimizer and quadratic programming, Book of Abstract. XXIV European Conference on Operational Research, p. 168, July 2010.

3. J.L.Redondo, J. Fernández, I. García, P.M. Ortigosa., htmladdnormallinkParallel algorithms for the facility location and design (1|1)-centroid problem on the planeCMMSE2010.pdf CMMSE 2010: Proceedings of the 10th International Conference on Mathematical Methods in Science and Engineering, (J. Vigo-Aguilar Ed.), Vol. 3, pp. 792-803, CMMSE, 2010.

4. J.L.Redondo, J. Fernández, I. García, P.M. Ortigosa, A continuous competitive facility location (and design) problem with variable demand, Book of Abstract. XXIV European Conference on Operational Research, July 2010.

5. J.L.Redondo, J. Fernández, A.G. Arrondo, I. García, P.M. Ortigosa, A two level evolutionary algorithm for solving the leader follower problem on the plane with variable demand, Toulouse Global Optimization, pp. 131-134, September 2010.

2009

1. J.L.Redondo, I. García, P.M. Ortigosa, Shared memory programming models for evolutionary algorithms, Proceedings of the 2009 International Conference on Computational and Mathematical Methods in Science and Engineering, (J. Vigo-Aguiar Ed.), Vol. 3, pp. 893-904, CMMSE, 2009.

2. J.L.Redondo, I. García, P.M. Ortigosa, A shared memory programming approach of UEGO, Book of Abstract. XXIII European Conference on Operational Research, pp. 65-65, July 2009.

3. J.L.Redondo, A.G. Arrondo, I. García, P.M. Ortigosa, Resolución del problema del líder-seguidor mediante algoritmos paralelos, Actas de las XX Jornadas de Paralelismo, pp. 111-116, Septiembre 2009.

4. J.L. Redondo, J. Fernández, I. García, P.M. Ortigosa, UEGO: Un algoritmo evolutivo de optimización global de propósito general, Actas del XXXI congreso nacional de estadística e investigación operativa, pp. 1-9, Febrero 2009.

5. P. Fernández, I. García, J.L. Redondo, P.M. Ortigosa, B. Pelegrín, Clasificación y ordenación de múltiples óptimos en problemas de localización discreta, Actas del XXXI congreso nacional de estadística e investigación operativa, pp. 1-9, Febrero 2009.

2008

1. J.L. Redondo, I. García, B. Pelegrín, P. Fernández, P.M. Ortigosa, CG-GASUB: A parallelized algorithm for finding multiple global optima to a class of discrete location problem, Proceedings of the EURO Winter Institute on Locations and Logistic, (A. Paias, F. Saldanha-da-Gama Ed.), pp. 139-146, Universidade de Lisboa, 2007.

2. J.L. Redondo, J. Fernández, I. García, P.M. Ortigosa, Parallel algorithms for planar competitive location problems, Abstract of the Joint EUROPT-OMS Meeting 2007, pp. 119-119, July 2007.

3. J.L. Redondo, I. García, P.M. Ortigosa, P. Fernández, On a continuous Multifacility Competitive lacation and Design Problem: Sensitivity Analysis and Economical Implications, EURO Working Group on Locational Analysis. EWGLA-XVI pp. 16-16, Universidade de Lisboa, 2007.

4. J.L. Redondo, J. Fernández, I. García, P.M. Ortigosa, Políticas migratorias en la resolución de problemas de localización, Actas de las XVIII Jornadas de Paralelismo, pp. 611-618, Septiembre 2007.

2005

1. B. Pelegrín, P. Fernández, J.L. Redondo, I. García, P.M. Ortigosa, Solving a competitive facility location problem by stochastic algorithms, Tenth International Symposium on Locational Decisions, ISOLDE X, pp. 217-218, June 2005.

2. J.L. Redondo, I. García, P.M. Ortigosa, B. Pelegrín, P. Fernández, Paralelización de un algoritmo de búsqueda de localizaciones bajo competencia espacial en precios, Actas de las XVI Jornadas de Paralelismo, pp. 647-654, Septiembre 2005.

3. J.L. Redondo, I. García, P.M. Ortigosa, B. Pelegrín, P. Fernández, Parallelization of an algorithm for finding facility locations for an entering firm under delivered pricing, Proceeding of Parallel Computing 2005 (PARCO 2005), Septiembre 2005.

2004

1. J.L. Redondo, I. García, P.M. Ortigosa, Paralelización de un Algoritmo Multimodal' Actas de las XV Jornadas de Paralelismo. Computación de Altas prestaciones, (I. García, L.G. Casado, V.G. Ruiz, J.J. Fernández Ed.), pp. 414-419, Almeria:Servicio de publicaciones de la Universidad de Almeria, Septiembre 2004.

1995

4. I. García, P.M. Ortigosa, L.G. Casado, G.T. Herman, S. Matej, A Parallel Implementation of the Controlled Random Search Algorithm to Optimize an Algorithm for Reconstruction from Projections, IIIrd Workshop on Global Optimization pp. 28-32, December 1995.