Publicaciones

2023

De Cock A. ; Vandeputte R. ; Bruneel S. ; De Cock L. ; Liu X. ; Vanhaeren N. ; De Wit B. ; De Maeyer P. ; Gautama S. ; Goethals P.L.M. ; Bermudez R. ; Ochoa D. (2023). Construction of an Orthophoto-Draped 3D Model and Classification of Intertidal Habitats Using UAV Imagery in the Galapagos Archipelago. Drones, pp. 416.

Villegas Rugel G.M. ; Menendez J.M. ; Van Coillie F. ; Ochoa D. (2023). Evaluating the Applicability of Global LULC Products and an Author-Generated Phenology-Based Map for Regional Analysis: A Case Study in Ecuador’s Ecoregions. Land, pp. 1112.

Van Gheluwe C. ; Gautama S. ; Rodriguez-Echeverria J. ; Ochoa D. (2023). Service Response Time Estimation in Crowdsourced Processing Chain. Lecture Notes in Networks and Systems, pp. 546-557.

Tocze K. ; Herbst N. ; Iosup A. ; Abad C.L. (2023). HotCloudPerf'23 Workshop Chairs' Welcome. ICPE 2023 - Companion of the 2023 ACM/SPEC International Conference on Performance Engineering, pp. 257-258.

Zhao S. ; Birs I. ; Espinoza V. ; Fernandez E. ; Cajo R. ; Plaza D. ; Salcan-Reyes G. (2023). An Advanced Fractional Order Method for Temperature Control . Fractal and Fractional, pp. 172.

Riofrio D. ; Pincay J. ; Teran L. ; Vaca C. (2023). 2023 9th International Conference on eDemocracy and eGovernment, ICEDEG 2023.

Tomala J. ; Dominguez F. ; Eras L. ; Collaguazo A. (2023). Estimating the Distribution of Oral Presentation Skills in an Educational Institution: A Novel Methodology. International Conference on Computer Supported Education, CSEDU - Proceedings, pp. 39-46.

2022

Eismann S. ; Scheuner J. ; Eyk E.V. ; Schwinger M. ; Grohmann J. ; Herbst N. ; Iosup A. ; Abad C.L. (2022). The State of Serverless Applications: Collection, Characterization, and Community Consensus. IEEE Transactions on Software Engineering, pp. 4152-4166.

Abdallah A. ; Abran A. ; Villavicencio M. (2022). MEASUREMENT SOLUTIONS IN THE ENTERPRISE ARCHITECTURE LITERATURE: A METROLOGY EVALUATION. Journal of Theoretical and Applied Information Technology, pp. 2935-2957.

Valeriano I. ; Tomala J. ; Collaguazo A. ; Estrada R. (2022). WiFi-Crowd Spy: A novel crowd-counting system. International Conference on Electrical, Computer, and Energy Technologies, ICECET 2022.

Vaccaro C. ; Valverde J. ; Cruz A. ; Torres M. ; Cordova-Garcia J. (2022). Evaluating Low-cost Networked Energy Metering Systems: A University Campus Study. 2022 IEEE International Symposium on Measurements and Networking, M and N 2022 - Proceedings.

Aizaga-Villon X. ; Alarcon-Ballesteros K. ; Cordova-Garcia J. ; Sanchez Padilla V. ; Velasquez W. (2022). FIWARE-Based Telemedicine Apps Modeling for Patients' Data Management. IEEE Engineering Management Review, pp. 173-188.

2021

Luzardo, G., Vyvey, T., Aelterman, J., Paridaens, T., Van Wallendael, G., Lambert, P., Rousseaux, S., Luong, H., Durnez, W., Van Looy, J., Philips, W., Ochoa, D. (2021). An experimental study on the perceived quality of natively graded versus inverse tone mapped high dynamic range video content on television. Multimedia tools and applications 80 (4), pp. 5559-5576.

Eismann S., Scheuner J., Van Eyk E., Schwinger M., Grohmann J., Herbst N., Abad C.L., Iosup A. (2021). Serverless applications: why, when, and how?. Ieee software volume 38, issue 1,pages 32-39.

Abad C.L, Herbst N., Uta A., Iosup A. (2021). The fourth workshop on hot topics in cloud computing performance (hotcloudperf'21): benchmarking in the cloud. Icpe 2021 - proceedings of the acm/spec international conference on performance engineering 9 april 2021, pages 279-280.

Abad, C.L., Iosup, A., Boza, E.F., Holguin, E.O. (2021). An analysis of distributed systems syllabi with a focus on performance-related topics. Icpe 2021 - companion of the acm/spec international conference on performance engineering, pp. 121-126..

Abad C.L., Ortiz Holguin, E., Boza, E.F. (2021). Have we reached consensus? an analysis of distributed systems syllabi. Sigcse 2021 - proceedings of the 52nd acm technical symposium on computer science education.

Papadopoulos, Alessandro Vittorio Versluis, Laurens Bauer, Andre Herbst, Nikolas Von Kistowski, Joakim Ali Eldin, Ahmed Abad Cristina L Amaral, Jose Nelson Tuma, Petr Iosup, Alexandru (2021). Methodological principles for reproducible performance evaluation in cloud computing. Ieee transactions on software engineering volume47 issue8 page1528-1543.

Eismann, S., Scheuner, J., Van Eyk, E., Grohmann J., Herbst N.,Abad C., Iosup, A. (2021). The state of serverless applications: collection, characterization, and community consensus. 2021 ieee transactions on software engineering..

Cajo, R., Zhao, S., Plaza, D., De Keyser, R., Ionescu, C. (2021). A fractional order predictive control for trajectory tracking of the ar.drone quadrotor. Lecture notes in electrical engineering volume 695 lnee, pp. 528-537.

Cajo R., Guinaldo M., Fabregas E., Dormido S., Plaza D., De Keyser R., Ionescu C (2021). Distributed formation control for multiagent systems using a fractional-order proportional-integral structure. Ieee transactions on control systems technology.

Nina, H., Pow Sang, J.A., Villavicencio, M. (2021). Systematic mapping of the literature on secure software development. Ieee access 9, pp. 36852-36867.

2020

Atiencia, Y., Cruz, E., Vaca, C., & Zambrano, L. (2020). Spatio-temporal analysis: using instagram posts to characterize urban point-of-interest. 2020 7th International Conference on Edemocracy and Egovernment, Icedeg 2020, 114–119.

Boza, E. E., Andrade, X., Cedeño, J., Murillo, J., Aragon h., H., Abad, C. L., & Abad, A. G. (2020). On implementing autonomic systems with a serverless computing approach: the case of self-partitioning cloud caches. Computers. Published.

Cajo r, R., Zhao, S., Plaza, D., De keyser, R., & Ionescu, C. (2020). Distributed control of second-order multi-agent systems: fractional integral action and consensus. Chinese Control Conference, Volume 2020, Article Number 9189554, 4652–4657.

Cajo, R., Zhao, S., Plaza, D., De keyser, R., & Ionescu, C. (2020). A fractional order predictive control for trajectory tracking of the ar.drone quadrotor. Lecture Notes in Electrical Engineering, 695 Lnee, 528–537.

Castillo, L. G., Guaranda, M. B., Layedra, F., & Vaca, C. (2020). A place to go: locating damaged regions after natural disasters through mobile phone data. Communications in Computer and Information Science. Published.

Eismann, S., Scheuner, J., Van eyk, E., Abad cristina, & iosup, A. (2020). Serverless applications: why, when, and how? Leee Software. Published.

Fantoni, C. O., Mero, A., & Vaca, C. (2020). Tech for hire: data science-related jobs signal economic growth. 2020 7th International Conference on Edemocracy and Egovernment, Icedeg 2020, 151–156.

Figueroa, X., Bermudez, K., & Vaca, C. (2020). Quantifying the impact of a natural disaster on retail stores’ customer behavior: the case of ecuador. 2020 7th International Conference on Edemocracy and Egovernment, Icedeg 2020, 93–98.

Herrera, E. V., Vela, E. M., Arce, V. A., Molina, K. H., Sánchez, N. S., Daza, P. J., Herrera, L. E., & Plaza, D. A. (2020). Temperature influences at the myoelectric level in the upper extremities of the human body. Open Biomedical Engineering Journal Volume 14, Issue 1, 28–42.

Ionescu, C., Alfredo cajo diaz, R., Zhao, S., Ghita, M., Ghita, M., & Copot, D. (2020). A low computational cost, prioritized, multi-objective optimization procedure for predictive control towards cyber physical systems. Ieee Access. Published.

lorena, C., Carpio, V., Verdezoto, N., Eslambolchilar, P., Cruz, E., & Malo, F. (2020). Healthcare infrastructures in ecuador: challenges, reflections and opportunities for digital health. Acm International Conference Proceeding Series 2020 International Conference on Information and Communication Technologies and Development, Ictd 2020; Published.

Luzardo, G., Aelterman, J., Luong, H., Rousseaux, S., Ochoa, D., & Philips, W. (2020). Fully-automatic inverse tone mapping algorithm based on dynamic mid-level tone mapping. Apsipa Transactions on Signal and Information Processing. Published.

Luzardo, G., Vyvey, T., Aelterman, J., Paridaens, T., Van wallendael, G., Luong, H., Rousseaux, S., Lambert, P., Durnez, W., Van looy, J., Philips, W., & Ochoa, D. (2020). An experimental study on the perceived quality of natively graded versus inverse tone mapped high dynamic range video content on television. Multimedia Tools and Applications. Published.

Padilla v.s., V. S., Collaguazo, A., Cabrera, J. J., & Pesantez, J. (2020). M2m technology for bus fleet management. Case study: a college transportation system. 2020 Ieee Technology and Engineering Management Conference, Temscon 2020. Published.

Rodriguez-echeverria, J., semanjski, I., van gheluwe, C., ochoa, D., ijben, H., & gautama, S. (2020). Density-based spatial clustering and ordering points approach for characterizations of tourist behaviour. Isprs International Journal of Geo-Information Volumen: 9 Número: 11. Published.

Torres, J., Vaca, C., Terrán, I., & Abad, C. L. (2020). Seq2seq models for recommending short text conversations. Expert Systems with Applications, 150.

Ugarte fajardo, J., Bayona andrade, O., Mariduena Zavala, M., Ochoa donoso, D., Criollo bonilla, R., & Cevallos cevallos, J. (2020). Early detection of black sigatoka in banana leaves using hyperspectral images. Applications in Plant Sciences Volume 8, Issue 8. Published.

Uta, A., Duplyakin, D., Abad, C., Herbst, N., & Losup, A. (2020). 3rd workshop on hot topics in cloud computing performance (hotcloudperf’20): performance variability. Icpe 2020-Proceedings of the Acm/Spec International Conference on Performance Engineering. Published.

Van, E. Y. K. E., Scheuner, J., Eismann, S., Abad, C. L., & Losup, A. (2020). Beyond microbenchmarks: the spec-rg vision for a comprehensive serverlee benchmar. Icpe 2020-Proceedings of the Acm/Spec International Conference on Performance Engineering. Published.

Vasquez, P., Garcia, J. C., Luna, M. J., & Vaca, C. (2020). Temporal topics in online news articles: migration crisis in venezuela. 2020 7th International Conference on Edemocracy and Egovernment, Icedeg 2020, 106–113.

Zhao, S., Cajo, R., Keyser, R. D., & Lonescu, C. M. (2020). The potential of fractional order distributed mpc applied to steam/water loop in large scale ships. Processes. Published.

2019

Adriana Collaguazo Jaramillo; Verónica Moreira, Paolo Lara; Mónica Villavicencio, “Software Engineering Applied to Telematics: Redesigning the Couse of Cnmutations and Routing”, XXII Conferencia Iberoamericana de Software Engineering; CIBSE 2019,2019.

Torres J., Vaca C., “Cross-lingual perspectives about crisis-related conversations on twitter”, The Web Conference 2019 – Companion of the World Wide Web Conference, WWW 2019, 2019.

Aragon H., Braganza S., Boza E.F., Parrales J., Abad C.L., “Workload characterization of a software-as-a-service web application implemented with a microservices architecture”, The Web Conference 2019 – Companion of the World Wide Web Conference, WWW 2019, 2019.

Jaramillo A.C., Alcivar R., Pesantez J., Ponguillo R., “Cost Effective test-bed for Comparison of SDN Network and Traditional Network”, 2018 IEEE 37th International Performance Computing and Communications Conference, IPCCC 2018, 2019.

Talluri S., Abad C.L., Łuszczak A., Iosup A., “Characterization of a big data storage workload in the cloud”, ICPE 2019 – Proceedings of the 2019 ACM/SPEC International Conference on Performance Engineering, 2019.

Bezemer C.-P., Eismann S., Ferme V., Grohmann J., Heinrich R., Jamshidi P., Shang W., Van Hoorn A., Villavicencio M., Walter J., Willnecker F., “How is performance addressed in DevOps? A survey on industrial practices”, ICPE 2019 – Proceedings of the 2019 ACM/SPEC International Conference on Performance Engineering, 2019.

Bayona O., Ochoa D., Criollo R., Cevallos-Cevallos J., Liao W., “Cocoa bean quality assessment using closed range hyperspectral images”, 2018 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2018 – Proceedings, 2019.

Andrade X., Layedra F., Vaca C., Cruz E., “RiSC: Quantifying change after natural disasters to estimate infrastructure damage with mobile phone data”, Proceedings – 2018 IEEE International Conference on Big Data, Big Data 2018, 2019.

Kuffó L., Vaca C., Izquierdo E., Bustamante J.C., “Know your customer: Detection of Customer Experience (CX) in Social Platforms using Text Categorization0”, Proceedings – 2018 IEEE International Conference on Big Data, Big Data 2018, 2019.

Cevallos H., Intriago G., Plaza D., “Performance of the estimators weighted least square, extended kalman filter, and the particle filter in the dynamic estimation of state variables of electrical power systems”, IEEE ICA-ACCA 2018 – IEEE International Conference on Automation/23rd Congress of the Chilean Association of Automatic Control: Towards an Industry 4.0 – Proceedings, 2019.

Intriago G., Cevallos H., Plaza D., Intriago R., “The sequential importance sampling particle filter with a systematic resampling in the state estimation of power systems”, IEEE ICA-ACCA 2018 – IEEE International Conference on Automation/23rd Congress of the Chilean Association of Automatic Control: Towards an Industry 4.0 – Proceedings, 2019.

Torres J., García S., Peláez E., “Visualizing authorship and contribution of collaborative writing in e-learning environments”, International Conference on Intelligent User Interfaces, Proceedings IUI, 2019.

Torres J., Vaca C., “Neural semi-supervised learning for multi-labeled short-texts”, CEUR Workshop Proceedings, 2019.

Quelal R., Mendoza L.E., Villavicencio M., “Application of methodologies and process models in big data projects”, ICEIS 2019 – Proceedings of the 21st International Conference on Enterprise Information Systems, 2019.

Cajo R., Mac T.T., Plaza D., Copot C., De Keyser R., Ionescu C., “A Survey on Fractional Order Control Techniques for Unmanned Aerial and Ground Vehicles”, IEEE Access, 2019.

Recalde L., Mendieta J., Boratto L., Terán L., Vaca C., Baquerizo G., “Who You Should Not Follow: Extracting Word Embeddings from Tweets to Identify Groups of Interest and Hijackers in Demonstrations”, IEEE Transactions on Emerging Topics in Computing, 2019.

2018

Rodríguez, J.,Semanjski, I.,Gautama,S.,Van de Weghe,N.,Ochoa,D., “Unsupervised hierarchical clustering approach for tourism market segmentation based on crowdsourced mobile phone data”, 2018 Sensors(Switzerland) 18(9), 2972, 2018.

Luzardo,G.,Aelterman,J.,Luong,H.,(…),Ochoa,D.,Rousseaux,S.,”Fully-Automatic Inverse Tone Mapping Preserving the Content Creator’s Artistic Intentions”, 2018 Picture Coding Symposium, PCS 2018 Proceedings 8456253, pp. 199-203, 2018.

Cevallos-Cevallos, J.M.,Jines, C.m Maridueña-Zavala, M.G.,(…),Ochoa, D.E.,Flores-Cedeño,J.A., “GC-MS metabolite profiling for specific detection of dwarf somaclonal variation in banana plants”, Applications in Plant Sciences e01194, 2018.

Erwin van EYk, Alessandru Losup, Cristina L. Abad, Johannes Grohmann, Simon Eismann, “A SPEC RG Cloud Group’s Vision on the Performance Challenges of FaaS Cloud Architectures”,ACM/SPEC International Conference on Performance Engineering (ICPE 2018), 2018.

Nikolas Herbst, André Bauer,Samuel Kounev, Giorgos Oikonomou, Erwin Van Eyk, George Kousiouris, Athanasia Evangelinou, Rouven Krebs, Tim Brecht, Cristina Abad, Alexandru Iosup, “Quantifying Cloud Performance and Dependability: Taxonomy, Metric Desing, and Emerging Challenges”, ACM Transactions on Modeling and Performance Evaluation of Computing Systems(ToMPECS), 2018.

Edwin Boza, Cristina Abad, Mónica Villavicencio, Stephany Quimba, “Cloud Adoption in Ecuador: Current Status, Challenges and Opportunities”, IEEE COLCOM 2018, 2018.

Alessandro V. Papadopoulos, Nikolas Herbst, Ahmed Ali ElDin, Andre Bauer, Joakim von Kistowski, Laurens Versluis, Cristina L. Abad, Alexandru Iosup, “Methodological Principles for Reproducible Performance Evaluation in Cloud Computing”, IEEE Transactions on Software Engineering, 2018.

Sixto Castro Redrobán, Luis Jácome, Ana Gabriela Concha, Jordy Vásquez, Gustavo Londa, Luis Leonel Córdova, Boris Vintimilla, Cristina Abad, María Fernanda Miño and María de Lourdes Pilay, “An Undergraduate Project combining Computer Science and Arts”, Computer Science Education Research Conference (CSERC), 2018.

Castillo G., Layedra F., Guaranda M.-B., Lara P., Vaca C., “The Silence of the Cantons: Estimating Villages Socioeconomic Status Through Mobile Phones Data”, 2018 5th International Conference on eDemocracy and eGovernment, ICEDEG 2018, 2018.

Kuffo L., Vaca C., Izquierdo E., Bustamante J.C., “Mining Worldwide Entrepreneurs Psycholinguistic Dimensions from Twitter”, 2018 5th International Conference on eDemocracy and eGovernment, ICEDEG 2018, 2018.

Bonilla R.I., Abad C.L., “Towards a real time framework for monitoring IoT devices for attack detection: Vision paper”, Proceedings – 2017 IEEE 15th International Conference on Dependable, Autonomic and Secure Computing, 2017 IEEE 15th International Conference on Pervasive Intelligence and Computing, 2017 IEEE 3rd International Conference on Big Data Intelligence and Computing and 2017 IEEE Cyber Science and Technology Congress, DASC-PICom-DataCom-CyberSciTec 2017, 2018.

Carrillo G.E., Abad C.L., “Inferring workflows with job dependencies from distributed processing systems logs: (Or, how to evaluate your systems with realistic workflows NOT pulled out of thin air)”, Proceedings – 2017 IEEE 15th International Conference on Dependable, Autonomic and Secure Computing, 2017 IEEE 15th International Conference on Pervasive Intelligence and Computing, 2017 IEEE 3rd International Conference on Big Data Intelligence and Computing and 2017 IEEE Cyber Science and Technology Congress, DASC-PICom-DataCom-CyberSciTec 2017, 2018.

Mendieta M., Martin C.A., Abad C.L., “A control theory approach for managing cloud computing resources: A proof-of-concept on memory partitioning”, 2017 IEEE 2nd Ecuador Technical Chapters Meeting, ETCM 2017, 2018.

Castro S.J., Boza E.F., Abad C.L., “An evaluation of cache management policies under workloads with malicious requests”, 2017 IEEE 2nd Ecuador Technical Chapters Meeting, ETCM 2017, 2018.

Boza E.F., Abad C.L., Villavicencio M., Quimba S., Plaza J.A.,” Reserved, on demand or serverless: Model-based simulations for cloud budget planning”, 2017 IEEE 2nd Ecuador Technical Chapters Meeting, ETCM 2017, 2018.

Garcia J.C., Avendaño A., Vaca C., “Where to go in Brooklyn: NYC mobility patterns from taxi rides”, Advances in Intelligent Systems and Computing, 2018.

Mendieta; F. Panchana; B. Andrade; B. Bayot; C. Vaca; B.X. Vintimilla; D. G. Romero, “Organ identification on shrimp histological images: A comparative study considering CNN and feature engineering”, 2018 IEEE 3rd Ecuador Technical Chapters Meeting, ETCM 2018, 2018.

Alex Ferrin; Julio Larrea; Miguel Realpe; Daniel Ochoa, “Detection of utility poles from noisy Point Cloud Data in Urban environments”, Artificial Intelligence and Cloud Computing Conference (AICCC 2018), 2018.

Asanza V.; Pelaez E.; Loayza F., “Supervised pattern recognition techniques for detecting motor intention of lower limbs in subjects with cerebral palsy”, 2017 IEEE 2nd Ecuador Technical Chapters Meeting ETCM 2017, 2018.

Asanza V.; Pelaez E.; Loayza F., “EEG signal clustering for motor and imaginary motor task on hands and feet”, 2017 IEEE 2nd Ecuador Technical Chapters Meeting ETCM 2017, 2018.

Asanza V.; Martin C.A.; Eslambolchilar P.; Van Woerden H.; Cajo R.; Salazar C., “Finding a dynamical model of a social norm physical activity intervention”, 2017 IEEE 2nd Ecuador Technical Chapters Meeting ETCM 2017″, 2018.

Torres J.; Ortiz K.; García J.; Vaca C.; “Uncovering aspects of places for fitness activities through social media”, Advances in Intelligent Systems and Computing, 2018.

Jiménes K.; Pincay J.; Villavicencio M.; Jiménes A.,”Looking for usability and functionality issues: A case study”, Advances in Intelligent Systems and Computing, 2018.

García J.C.; Avedaño A.; Vaca C., “Where to go in Brooklyn: NYC mobility patterns from taxi rides”, Advances in Intelligent Systems and Computing, 2018.

Cajo R.; Zhao S.; Ionescu C.M.; De Keyser R.; Plaza D.; Liu S., “IMC based PID Control Applied to the Benchmark PID18”, IFAC-PapersOnLine, 2018.

Zhao S.; Cajo R.; Ionescu C.M.; De Keyser R.; Liu S.; Plaza D., “A Robust PID Autotuning Method Applied to the Benchmark PID18”, IFAC-PapersOnLine, 2018.

Cajo R.; Muresan C.I.; Ionescu C.M.; De Keyser R.; Plaza D., “Multivariable Fractional Order PI Autotuning Method for Heterogeneous Dynamic Systems”,IFAC-PapersOnLine, 2018.

Mendieta M.; Panchana F.; Andrade B.; Bayot B.; Vaca C.; Vintimilla B. X.; Romero D. G., “Organ identification on shrimp histological images: A comparative study considering CNN and feature engineering”, 2018 IEEE 3rd Ecuador Technical Chapters Meeting ECTM 2018, 2018.

Alex Ferrin; Julio Larrea; Miguel Realpe; Daniel Ochoa, “Detection of utility poles from noisy Point Cloud Data in Urban environments”, Artificial Intelligence and Cloud Computing Conference(AICCC 2018), 2018.

Cevallos-Cevallos J.M.; Jines C.; Maridueña-Zavala M.G.;Molina-Miranda M.J.;Ochoa D.E.;Flores-Cedeñp J.A., “GC-MS metabolite profiling for specific detection of dwarf somaclonal variation in banana plants”, Applications in Plant Sciences, 2018.

Vargas G.R., “Applying the V-I Matrix in the Analysis of Silicon Integrated Bragg Gratings”, Conference Proceedings-IEEE SOUTHEASTCON, 2018.

Caio R.; Copot C.; Ionescu C.M.; De Kevser R.; Plaza D.,”Fractional order PD path-following control of an AR. drone quardrotor”, SACI 2018 – IEEE 12th International Symposium on Applied Computational Intelligence and Informatics; Proceedings, 2018.

Quelal R.E.; Villavicencio M.; Mendoza L.E.; “A survey of agile software development methodologies in Ecuador”, Iberian Conference on Information Systems and Technologies; CISTI, 2018.

Villavicencio M.; Pincay J.; Desiderio K.; Quimba S.,”Reusing and creating OERs for software engineering training”, JIISIC 2018 – Jornadas Ibeoamericanas de Ingenieria de Software e Ingenieria del Conocimiento, 2018.

Noboa C.; Ordóñez M.; Magallanes J., “Statistical learning to detect potential dropouts in higher education: A public university case study”, CEUR Workshop Proceedings, 2018.

Quelal R.; Villavicencio M.,”A survey of big data use in large and medium Ecuadorian companies”, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2018.

Coque S.; Villavicencio M., “Factors influecing the adoption of agile practices in very small sofware development companies”, JIISIC 2018-Jornadas Iberoamericanas de Ingenieria de Software e Ingenieria del Conocimiento, 2018.

Flores M.; Garzon A.; Arce V.; Plaza D.,”Integration of open source tools in IoT education: Case study of personal response systems in a basic mathematics course in university”, CEUR Workshop Proceedings, 2018.

Herrera E.V.; Vela E.M.; Arce V.A.; Sánchez N.S.; Molina K.G.;Plaza D.A., “Myolectric response of the upper limbs to temperature variation”, Lecture Notes in Engineering and Computer Science, 2018.

Adriana Collaguazo Jaramillo, Ronny Alcivar, Joffre Pesantez, Ronald Ponguillo,”Cost Effective test-bed for Comparison of SDN Network and Traditional Network”, 37th IEEE International Perfomance Computing and Communications Conference, 2018.

Torres Diana; Villavicencio Mónica; Zapata Carlos,”Towards a terminology unification in software interoperability”, 44th Euromicro Conference Software Engineering and Advanced Applications (SEAA), 2018.

Eduardo Alcivar-Molina; Jorge Hurel; Efraín Terán; Geancarlos Zamora-Olea; Ronald Ponguillo; Francis R. Loayza, “Six-axis lower-limb exoskeleton control system based on Neural Networks”, 2018 IEEE 3rd Ecuador Technical Chapters Meeting; ECTM 2018, 2018.

2017

Castro,R., Ochoa, D., Criollo, R., “On the influence of spectral calibration in hyperspectral image classification of leaves”, 2017 CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies, CHILECON 2017 – Proceedings 2017 – January, pp. 1-6, 2017.

Luzardo, G., Aelterman,J.,Luong,H.,Philips,W.,Ochoa,D., “Real-time false-contours removal for inverse tone mapped HDR content”, MM 2017 – Proceedings of the 2017 ACM Multimedia Conference pp.1472-1479, 2017.

Villegas,G., Liao,W.,Criollo,R.,Philips,W.Ochoa,D.,”Detection of leaf structures in close-range hyperspectral images using morphological fusion”, Geo-Spatial Information Science 20(4),pp. 325-332, 2017.

Lopez, A.J., Astegiano,P.,Gautama,S.,(…),Tampére,C.M.J., Beckx,C.,”Unveiling e-bike potential for commuting trips from GPS traces Open Access”, ISPRS International Journal of Geo-Information 6(7),190, 2017.

Valencia, A.J.,Idrovo, R.M.,Sappa, A.D., Guingla,D.P.,Ochoa,D.,”A 3D vision based approach for optimal grasp of vacuum grippers”, Proceedings of the 2017 IEEE International Workshop of Electronics, Control, Measurement, Signals and their Application to Mechatronics, ECMSM 2017,7945886, 2017.

Lopez,A.J.,Semanjski, I., Gautama, S., Ochoa, D.,”Assessment of Smartphone Positioning Data Quality in the Scope of Citizen Science Contributions”, Mobile Information Systems 2017, 4043237, 2017.

Mena,L., Magallanes, J.,Ochoa D., Helguero,M.,Maldonado, F., “Towards the adoption of appropriate technologies in the artisan production of wooden furniture”, Proceedings of the LACCEI international Multiconference for Engineering, Education and TeCHlology 2017-July, July 2017.

Cristina Lucía Abad, Andrés Guillermo Abad Lucio, Luis E, “Dynamic Memory Partitioning for Cloud Caches with Heterogeneous Backends”, ICPE 2017 – Proceedings of the 2017 ACM/SPEC International Conference on Performance Engineering, PP. 87-90, April 2017.

Torres Jhonny, Vaca Carmen, Peláez Enrique, “Proximityrank: ¿Who are the Nearest Influencers?”, 2016 IEEE Latin American Conference on Computacional Intelligence, LA-CCI2016-Proceedings, Art. No. 7885736, March 2017.

Vargas German R., “Development of a Plastic Optical Fiber Oxygen Optode with a Fluorescence Intensity Measurement System”, Conference Proceedings – IEEE Southeastcon, Art. No. 7925298, May 2017.

Cadena, Ponguillo Ronald, Ochoa Daniel, “Development of Guidance, Navigation and Control System Using FPGA Technology for an UAV Tricopter”, Lecture Notes in Mechanical Engineering, PP. 363-375, 2017.

Ochoa Daniel, Criollo Ronald, Liao, W., (…), Castro Rodrigo., Bayona Oswaldo, “Improving the Detection of Cocoa Bean Fermentation-Related Changes Using Image Fusion”, Proceedings of SPIE – The International Society for Optical Engineering 10198,1019819, April 2017.

Boza,E.F., San-Lucas, C., Abad Cristina L., Viteri, J.A., “Benchmarking Key-Value Stores Via Trace Replay”, Proceedings -2017 IEEE International Conference on Cloud Engineering, IC2E 2017 7923801, PP. 183-189, May 2017.

2016

Mendieta J., Suárez S., Vaca Carmen, Ochoa D., Vergara C..Geo-localized social media data to improve characterization of international travelers.3rd International Conference on eDemocracy and eGovernment, ICEDEG

Torres J., Baquerizo G., Vaca C. Peláez E..Characterizing influential leaders of Ecuador on Twitter using computational intelligence.3rd International Conference on eDemocracy and eGovernment, ICEDEG

Sen R., Quercia D., Vaca C. Gummadi K.P..Scalable urban data collection from the web.Proceedings of the 10th International Conference on Web and Social Media, ICWSM

Ochoa D., Cevallos J., Vargas G., Criollo R., Romero, D., Castro R., Bayona O..Hyperspectral imaging system for disease scanning on banana plants.Proceedings of SPIE – The International Society for Optical Engineering

Cadena A., Ponguillo R..Development of an autonomous underwater vehicle for census of antarctic marine life.Lecture Notes in Engineering and Computer Science

Xie Q., Pundir M., Lu Y., Abad C.L., Campbell R.H..Pandas: Robust Locality-Aware Scheduling with Stochastic Delay Optimality.IEEE/ACM Transactions on Networking

Torres J., Vaca C. Peláez E.,.ProximityRank: Who are nearest influentials?.IEEE LA-CCI (Latin American Conference on Computational Intelligence)

Pita O., Baquerizo G., Vaca C., Mendieta J., Villavicencio M., Rodríguez J..Linguistic profiles on microblogging platforms to characterize political leaders: the Ecuadorian case on Twitter.Ecuador Technical Chapters Meeting (ETCM)

Asanza V., Ochoa K., Sacarelo C., Salazar C., Francis Loayza F., Vaca C., Pelaez E..Clustering of EEG occipital signals using k-means.Ecuador Technical Chapters Meeting (ETCM)

San-Lucas C., Abad C.L..Towards a fast multi-tier storage system simulator.Ecuador Technical Chapters Meeting (ETCM)

Vargas G..A dual Mach-Zehnder interferometer wavelength measurement device using silicon over insulator technology.Information Technology, Electronics and Mobile Communication Conference (IEMCON)

Cadena A. Ponguillo R. Ochoa D..Development of Guidance, Navigation and Control System Using FPGA Technology For An UAV Tricopter..Lecture Notes in Engineering and Computer Science

Ponguillo R..Equipment for Monitoring the Electrodermal Skin Response Using an Embedded System Based on Soft Processor NIOS II.IEEE Ecuador Technical Chapters Meeting

Ponguillo R., Medina C..Using Open Source Embedded Hardware and Software Tools in Automatic Control from Mathematical Model.Lecture Notes in Engineering and Computer Science

Veriñaz J., vC., Ponguillo R. Sanchez W..Implementing a Kalman Filter on Embedded Processor in FPGA for Speed Control of a DC Motor Using Low Resolution Incremental Encoders.Lecture Notes in Engineering and Computer Science.

Santos E., Pacheco R., Villao L., Galarza L., Ochoa D., Jordán C.,Flores J. Banana: Genomics And Transgenic Approaches For Genetic Improvement.Promoter Analysis in Banana.Editores: Mohandas, Sukhada, Ravishankar, Kundapura V. (Eds.).

2014

Vargas G, Applying a correlation algorithm to a microring resonator based wavelength shift demodulator. To appear in SPIE – DSS Sensing Technologies and Applications Conference

Sharkawy A. Plaza D. Ochoa D. An Efficient Adaptive Fuzzy Control Scheme for Industrial Manipulators.to appear in 4th International Conference on Information and Industrial Electronic.

Sacarelo G.,Romero G., Chávez P, Ochoa D. Diseño y evaluación de una red de sensores para analizar entornos acuáticos, to appear in MASKANA, Vol. 5, No. 2, 2014

Magallanes J., Ponguillo R. Diseño y construcción de máquina de control numérico prototipo. II Congreso REDU. 2014, Loja, Ecuador.

2013

Alvarez M., Ochoa D., Dominguez L., Cruz J., Rivera J., Sacarelo G., Carrillo R.Integrating open hardware and software: An ocean drifter prototype. OpenWater Symposium, 2013, Brussels, Belgium.

2012

Romero, D., Vintimilla, B., & Frizera, F. An approach to Automatic Assistance on physiotherapy based on on-line Movement Identification. Andean Region International Conference IEEE-ANDESCON. 2012, Cuenca, Ecuador.

Ochoa, D.,Vylder, J., W. Philips. Automatic segmentation of A. thaliana in DIC images. Andean Region International Conference IEEE-ANDESCON. 2012, Cuenca, Ecuador.

2011

Vylder, J., Ochoa, D., Chaerle, L., Van Der Straeten, D., & Philips, W. (2011). Segmentation and tracking using probabilistic parametric active contours. Lecture Notes in Computer Science.

2010

D. Ochoa, S. Gautama, W. Philips, “Automatic Identification of Caernorhabditis elegans in populaiton images by shape energy features”, Journal of Microscopy,Vol 238, No 2, pages 173-184 ,May 2010.

2009

J. De Vylder, D. Ochoa, W. Philips, L. Chaerle, D. Van Der Straeten, “Automatic analysis of biological images”, Knowledge for Growth,ICC Ghent, May 20, 2010, Ghent, Belgium
2009

D. Ochoa, “Seminar: Biological Image Analisys Research at IPI”, Department of Plant Systems biology. VIB-Flemish Institute for Biotechnology. Technology Park, Gent, Belgium. October 2th 2009 (Chair: Dirk Inze)

A. Cadena “Design and construction of an Autonomous Underwater Vehicle for the launch of a Small UAV”, IEEE Technologies for Practical Robotics Applications TEPRA 2009. Woburn, MA, United States. November 2009; páginas: 78-83, ISBN 978-1-4244-4992-7 J. De Vylder, D. Ochoa, W. Philips, L. Chaerle, D. Van Der Straeten, “Tracking multiple objects using moving snakes”, 16th International Conference on Digital Signal Processing, Santorini, Greece, July 2009

M. Realpe, B. Vintimilla, D. Romero, P. Remagnino, “Analisis de Comportamiento Humano: Metodologia para Localizacion y Seguimiento de Personas en Secuencias de Video”, Octava Conferencia Iberoamericana en Sistemas, Cibernetica e Informatica: (CISCI), Orlando, Florida, USA, July 2009

B. Vintimilla, “Seminar: Shadow Removal with Blob-based Morphological Reconstruction for Error Correction”, Digital Imaging Research Centre from Kingston University, London, United Kingdom, 18th February 2009 (Chair: Norbert Buch)

J. Faytong, G. Moggia, “Monitoreo Automático de Carreteras Mediante el Uso de un Sistema de Detección, Seguimiento y Extracción de Características de Vehículos con Técnicas de Visión por Computador”, Bachelor degree thesis, Escuela Superior Politécnica del Litoral, Guayaquil, Ecuador, February 2009

J. De Vylder, D. Ochoa, W. Philips, L. Chaerle, D. Van Der Straeten, “Tracking multiple objects using intensity-gvf snakes”, 9th European Signal Processing Conference,Glasgow, Scotland, August 2009.

2008

N. Babbai, D. Ochoa, A. Pizurica, W. Philips, “Edge Linking Based Method to Detect and Separate Individual C.Elegans Worms in Culture”, Digital Image Computing conference, Camberra- Australia, December 2008.

B. Vintimilla, “Approximation and Processing of Digital Images using Adaptive Triangular Meshes”, Seminar in the Digital Imaging Research Centre from Kingston University, London, United Kingdom, 26th November 2008 (Chair: Dr Dimitrios Makris)

D. Paillacho, “Design and Construction of an Autonomous Underwater Vehicle prototype”, Book Chapter in SCAR/IASC IPY Open Science Conference 2008,Vol. 1 pp. 371, ISBN 978-5-98364-013-09, St. Petersburg, Russia. July 2008., ISBN 978-5-98364-013-09

D. Paillacho, “Desarrollo de un Vehículo Submarino Autónomo para la adquisición de datos científicos”, Arturo Cadena, D. Paillacho, “Desarrollo de un Vehículo Submarino Autónomo para la adquisición de datos científicos”, Accepted to appear in I SIMPOSIO ECUATORIANO DE CIENCIA POLAR 2008, La Libertad, Ecuador. July 2008.

2007

A.D.Sappa , B. X. Vintimilla, “Edge Point Linking by Means of Global and Local Schemes”, Book Chapter in Signal Processing for Image Enhancement and Multimedia Processing, Springer Series: Multimedia Systems and Applications, Vol. 31, pp. 115-126, ISBN 978-0-387-72499-7

N. Babbai Rizvandi , D. Ochoa, A. Pizurica , W. Philips , “Principles of automatic vision systems for tracking elongated microorganisms”, Book chapter in Modern Research and Educational Topics in Microscopy, Vol 2, pp 924-930 (in press), ISBN 978-84-611-9420-9

C. Crespo, D. Ochoa, “Evaluación Cuantitativa de la Influencia de los Espacios de Color”, Revista Tecnologica ESPOL, Vol 20 (in press), ISSN 0257-1749

D. Ochoa, S. Gautama , B. X. Vintimilla, “Detection of Individual Specimens in Populations using Contour Energies”, Advanced Concepts for Intelligent Vision Systems – ACIVS 2007, pp 575-586, Delft, Netherlands, August 2007. Springer LNCS 4678 series, ISBN 978-3-540-74606-5

D. Ochoa, S. Gautama , B. X. Vintimilla, “Contour energy features for recognition of biological specimens in population images”, International Conference on Image Analysis and Recognition – ICIAR 2007, pp. 1061-1070, Montreal, Canada, August 2007, Springer LNCS 4633 series, ISBN 978-3-540-74258-6.

D. Romero, “Sistema de interacción y monitoreo remoto para aplicaciones médicas: Medi-Robot”, Bachelor degree thesis, Escuela Superior Politécnica del Litoral, Guayaquil, Ecuador, July 2007

J. Gaspar , M.A. Realpe, B. X. Vintimilla, J. Santos-Victor , “Mosaicking Cluttered Ground Planes Based on Stereo Vision”, 3rd Iberian Conference on Pattern Recognition and Image Analysis – IbPRIA 2007, pp. 17-24, Girona, Spain, June 2007, Springer LNCS series.

A.D.Sappa , B. X. Vintimilla, “Cost-Based Closed Contour Representations”, SPIE Journal on Electronic Imaging – JEI, Vol. 16, No. 2, 023009, April-June 2007.

C. Crespo, “Herramienta para caracterización de algoritmos de segmentación en imágenes microscópicas”, Bachelor degree thesis, Escuela Superior Politécnica del Litoral, Guayaquil, Ecuador, February 2007

2006

A.D.Sappa , B. X. Vintimilla, “Edge point linking by means of global and local schemes”, IEEE International Conference on Signal-Image Technology and Internet-based Systems – SITIS 2006, pp.551 – 560, Hammamet,Tunisia, December 2006, ISSN 2-9525435-1

C. Crespo, D. Ochoa, “Herramienta para la caracterización de algoritmos de segmentación en imágenes biológicas”, II Congreso Nacional de Investigación, Tecnología e Innovación, Guayaquil, Ecuador, November 2006 , ISSN 13902997

D. Romero, B. X. Vintimilla, “MediRobot – Sistema de comunicación para interacción remota médico – paciente”, II Congreso Nacional de Investigación, Tecnología e Innovación, Guayaquil, Ecuador, November 2006 , ISSN 13902997

D. Paillacho, J.L Laica, “Diseño electrónico del microrobot TRT-II”, II Congreso Nacional de Investigación, Tecnología e Innovación, Guayaquil, Ecuador, November 2006 , ISSN 13902997

M.A. Realpe, B. X. Vintimilla, J. Gaspar , J. Santos-Victor , “Localización y Mapeo Simultáneo con Imágenes 3D a Color”, Revista Tecnológica, Vol. 19, No. 1, 99-106, Ecuador, October 2006, ISSN 0257-1749

M.A. Realpe, “Hacia la navegación autónoma de robots a partir de la implementación de un método de localización y mapeo simultaneo (SLAM) mediante el uso de un sistema de visión 3D”, Bachelor degree thesis, Escuela Superior Politécnica del Litoral, Guayaquil, Ecuador, September 2006.

D. Ochoa, S. Gautama , B. X. Vintimilla, “Response histogram analysis for isolated nematode detection”, IEEE BENELUX/DSP Valley Signal Processing Symposium – SPS-DARTS 2006, pp. 11-14, Belgium, March 2006. Printed in CD-Rom format.

D. Ochoa, S. Gautama , B. X. Vintimilla, “Detection of isolated nematodes in clutter environments using shape feature histograms”, International Conference on Computer Vision Theory and Applications – VISAPP, Vol.1, pp. 486-491, Portugal, February 2006, ISBN 972-8865-40-6

J. Chicala, L. Atiencia, R. Jacho, “Reconocimiento y seguimiento de objetos móviles en un sistema de fútbol robótico”, Bachelor degree thesis, Escuela Superior Politécnica del Litoral, Guayaquil, Ecuador, 2006.

2005

M.A. Realpe, B. X. Vintimilla, “Modelado 3D de Superficies Mediante Visión Estereo”, 1er Congreso Nacional de Investigación, Tecnología e Innovación, Quito, Ecuador, October 2005. Printed in CD-Rom format.

J. Chicala, B. X. Vintimilla, R. Jacho, L. Atiencia, “Reconocimiento y Seguimiento de Objetos Móviles”, 1er Congreso Nacional de Investigación, Tecnología e Innovación, Quito, Ecuador, October 2005. Printed in CD-Rom format.

2004

D. Ochoa, S. Gautama , B. X. Vintimilla, “Análisis de forma para mejorar la robustez en la detección de nemátodos”, accepted to appear in: III Jornadas de Investigación – ESPOLCIENCIA 2004, Guayaquil, Ecuador, Noviembre – Diciembre 2004.

D. Paillacho, B. X. Vintimilla, V. Salamea , “Building the TRL-I Microrobot”, 2004 FIRA Robot World Congress, Busan, Korea, October 2004. printed in CD-ROM format.

D. Paillacho, V. Salamea , B. X. Vintimilla, “Construcción del Micro-Robot TRL-I”, Revista Tecnológica: Memorias de las II Jornadas de Investigación – ESPOLCIENCIA 2003, Vol. 17, No.1, Junio 2004, 66-71, ISSN 0257-1749

M.A. Realpe, B. X. Vintimilla, “Modelado 3D de Superficies Mediante Visión Estereo”, accepted to appear in: III Jornadas de Investigación – ESPOLCIENCIA 2004, Guayaquil, Ecuador, Noviembre – Diciembre 2004.

2003

B. X. Vintimilla, M.A. Realpe, “Sistema de Reconstrucción Digital 3D”, Tecnociencia, Boletín Informativo, No.12, Ecuador, Noviembre 2003, 4, ISSN 1390-1494

B. X. Vintimilla, V. Salamea , D. Paillacho, “TRL-I Microrobot Control Module”, 2003 FIRA Robot World Congress, Vienna, Austria, October 2003, ISBN 3-902161-02-7

B. X. Vintimilla, C Monsalve A. , C. Villaroel , C. Calderon , R. Carrillo , V. Salamea , D. Paillacho, J. Chicala, L. Atiencia, R. Jacho, “Sistemas multiagentes aplicados al fútbol robótico: problemática existente”, IV Jornadas Iberoamericanas de Robotica, Seminario 3, Panama, 27-31 January, 2003

B. X. Vintimilla, D. Paillacho, V. Salamea , C Monsalve A. , F. Novillo , “Hacia la construcción de un micro-robot”, IV Jornadas Iberoamericanas de Robotica, Seminario 3, Panama, 27-31 January, 2003

B. X. Vintimilla, C. Villaroel , C. Calderon , R. Carrillo , “Univector Fields for Motion Control in Mirosot Robots”, 2003 FIRA Robot World Congress, Vienna, Austria, October 2003, ISBN 3-902161-02-7

C. Villaroel , C. Calderon , R. Carrillo , B. X. Vintimilla, “Control de Movimiento de los Micro-Robots en la MIROSOT”, Revista Tecnológica, Vol. 16, No.1, Junio 2003, 24-33, ISSN 0257-1749

B. X. Vintimilla, “Ecuador en la era de las imágenes en tercera dimensión”, Desafío, Revista de Divulgación de Ciencia y Tecnología de Ecuador, Año cuatro, número 8, Ecuador, 2003, ISSN 1390-1397

B. X. Vintimilla, C. Villaroel , C. Calderon , R. Carrillo , “Survey on Learning in Multi-Agent Systems”, Book chapter: Intelligent Robots: Vision, Learning and Interaction, Section 2: Learning for Navigation and Control , Editorial: KAIST Press, 2003 , 91-96, ISBN 89-89453-02-X

2002

C. Villaroel , R. Carrillo , C. Calderon , “Técnicas de Movimiento Utilizadas por el Equipo FUROEC en las Competiciones de la FIRA 2002 World Cup”, I Jornadas de Investigación – ESPOLCIENCIA 2002, Guayaquil, Ecuador, Septiembre 2002

B. X. Vintimilla, M.A.Garcia , “Integración de Mallas Triangulares 2 D”, to appear in Conferencia Iberoamericana en Sistemas, Cibernética e informática, Orlando, Florida, USA, July 2002

S. Erique , W. Silvestre , B. X. Vintimilla, E. Cueva , “Estudio Bibliográfico sobre Sistemas de Reconocimiento Facial”, to appear in Conferencia Iberoamericana en Sistemas, Cibernética e informática, Orlando, Florida, USA, July 2002

B. X. Vintimilla, C. Villaroel , C. Calderon , R. Carrillo , “Survey on Learning in Multi-Agent Systems”, 2002 FIRA Robot World Congress, Seoul, Korea, May 2002 , 305-308, ISBN 89-86522-47-0

2001

B. X. Vintimilla, “Approximation and Processing of Digital Images with Adaptive Triangular Meshes”, Ph.D. thesis, Polytechnic University of Catalonia, Barcelona, Spain 2001, ISBN 84-699-6888-2

2000

M.A.Garcia , B. X. Vintimilla, “Acceleration of Filtering and Enhancement Operations Through Geometric Processing of Gray-Level Images”, IEEE Int. Conf. on Image Processing, Vancouver, Canada, September 2000, Vol.1, 97-100, ISBN 0-7803-6300-0

A.D.Sappa , M.A.Garcia , B. X. Vintimilla, “Geometric and Topological Lossy Compression of Dense Range Images”, IEEE Int. Conf. on Image Processing, Vancouver, Canada, September 2000, Vol.2, 423-426, ISBN 0-7803-6300-0

M.A.Garcia , B. X. Vintimilla, “Acceleration of Thresholding and Labeling Operations Through Geometric Processing of Gray-Level Images”, 15th IAPR Int. Conf. on Pattern Recognition, Barcelona, Spain, September 2000, Vol.3, 429-432 , ISBN 0-7695-0750-6

M.A.Garcia , B. X. Vintimilla, A.D.Sappa , “Approximation and Processing of Intensity Images with Discontinuity Preserving Adaptive Triangular Meshes”, Sixth European Conference on Computer Vision, Dublin, Ireland, June/July 2000. Lecture Notes in Computer Science 1842, David Vernon (Ed.), Springer-Verlag, Part I, 844-855, ISBN 3-540-67685-6

1999

M.A.Garcia , B. X. Vintimilla, A.D.Sappa , “Efficient Approximation of Gray-Scale Images Through Bounded Error Triangular Meshes”, IEEE Int. Conf. on Image Processing, Kobe, Japan, October 1999, ISBN 0-7803-5470-2

M.A.Garcia , B. X. Vintimilla, A.D.Sappa , “Approximation of Intensity Images with Adaptive Triangular Meshes: Towards a Processable Compressed Representation”, Irish Machine Vision and Image Processing Conference, Dublin, Ireland, September 1999, 241-249, ISBN 1872 327 22