Books

1. B. Sobolev, V. Sanchez, L. Kuramoto. Healthcare evaluation using computer simulation. Springer, 2012. AVAILABLE ON-LINE: PDF

Book Chapters

1. H. Wang, V. Sanchez, C.-T. Li, Using Age Information as a Soft Biometric Trait for Face Image Analysis. In Deep BiometricsIn Deep Biometrics (pp. 1-20). Springer, Cham.

2. B. Sobolev, V. Sanchez, L. Kuramoto, Evaluation of methods for scheduling clinic appointments in surgical service: a statecharts-based simulation study, in Discrete Event Simulations. A. Goti, Sciyo, 2010, pp. 165-185

Journals

1. NEW! R. Leyva, V. Sanchez, C.-T. Li, and C. Maple, "Specific Event Detection for Video Surveillance using Variational Bayesian Inference," accepted for publication at Neurocomputing, July 2024

2. R. Leyva, V. Sanchez, G. Epiphaniou, and C. Maple, "Data-Agnostic Face Image Synthesis Detection Using Bayesian CNNs," Pattern Recognition Letters, vol. 183, pp.64-70, 2024

3. J. Bartrina-Rapesta, M. Hernández-Cabronero, V. Sanchez, J. Serra-Sagristà, P. Jamshidi, and J. Castellani, "Prediction-based coding with rate control for lossless region of interest in pathology imaging," Signal Processing: Image Communication, vol. 123, 117087, 2024

4. C.-C.Chang, X. Wang, S. Chen, I. Echizen, V. Sanchez, and C.-T. Li, "Deep Learning for Predictive Analytics in Reversible Steganography," IEEE Access, vol. 11, pp. 3494-3510, 2023

5. Y. Liu, V. Sanchez, P. Freire, J. Prilepsky, M. Koshkouei, and M. Higgins, "Attention-aided partial bidirectional RNN-based nonlinear equalizer in coherent optical systems," Optics Express, vol. 30, no. 18, pp. 32908-32923, 2022

6. H. Wang, V. Sanchez, and C.-T. Li, "Improving Face-Based Age Estimation with Attention-Based Dynamic Patch Fusion," IEEE Transactions on Image Processing, vol. 31, pp. 1084-1096, 2022

7. O. Styles, T. Guha, and V. Sanchez, "Multi-Camera Trajectory Forecasting with Trajectory Tensors," IEEE Transactions on Pattern Analysis and Machine Intelligence, August 2021

8. B. Kaddar, H. Fizazi, M. Hernandez-Cabronero, V. Sanchez, and J. Serra-Sagrista, "DivNet: Efficient Convolutional Neural Network via Multilevel Hierarchical Architecture Design," IEEE Access, vol. 9, pp. 105892-105901, July 2021

9. H. Wang, V. Sanchez, and C.-T. Li, "Age-Oriented Face Synthesis with Conditional Discriminator Pool and Adversarial Triplet Loss," IEEE Transactions on Image Processing, vol. 30, pp. 5413-5425, June 2021

10. C. D. Morales-Molina, A. Hernandez-Suarez, G. Sanchez-Perez, L. K. Toscano-Medina, H. Perez-Meana, J Olivares-Mercado, J. Portillo-Portillo, V. Sanchez, and L. J. Garcia-Villalba, "A Dense Neural Network Approach for Detecting Clone ID Attacks on the RPL Protocol of the IoT," Sensors, vol. 21, no. 9, May 2021

11. X. Lin, C.-T. Li, V. Sanchez, C Maple, "On the detection-to-track association for online multi-object tracking," Pattern Recognition Letters, vol. 146, pp. 200-207, June 2021

12. V. Sanchez, "Rate Control for Predictive Transform Screen Content Video Coding based on RANSAC," IEEE Transactions on Circuits and Systems for Video Technology, accepted for publication, December 2020

13. K. Perez-Daniel, F. Garcia-Ugalde, and V. Sanchez, "Watermarking of HDR Images in the Spatial Domain with HVS-Imperceptibility," IEEE Access, vol. 8, pp. 156801-156817, August 2020

14. R. Leyva, V. Sanchez, and C.-T. Li, "Compact and Low-complexity Binary Feature Descriptor and Fisher Vectors for Video Analytics," IEEE Transactions on Image Processing, vol. 28, no. 12, pp. 6169-6184, June 2019

15. M. Hernandez-Cabronero, V. Sanchez, I. Blanes, F. Auli-Llinas, M.W. Marcellin, and J. Serra-Sagrista,  "Mosaic-Based Color-Transform Optimization for the Lossy and Lossy-to-Lossless compression of Pathology Whole-Slide Images," IEEE Transactions on Medical Imaging, vol. 38, no. 1, pp. 21-32, Jan. 2019

16. V. Sanchez, and M. Hernandez-Cabronero, "Graph-based Rate Control in Pathology Imaging with Lossless Region of Interest Coding," IEEE Transactions on Medical Imaging, vol. 37, no. 10, pp. 2211-2223, Oct. 2018

17. A. Hernandez-Suarez, G. Sanchez-Perez, K. Toscano-Medina, H. Perez-Meana, J. Portillo-Portillo, V.  Sanchez, and L. J. Garci­a Villalba, "Using Twitter Data to Monitor Natural Disaster Social Dynamics: A Recurrent Neural Network Approach with Word Embeddings and Kernel Density Estimation," Sensors, vol. 19, no. 7.

18. T.-H. Song, V. Sanchez, H. EIDaly, and N. M. Rajpoot, "Simultaneous Cell Detection and Classification in Bone Marrow Histology Images", IEEE Journal of Biomedical and Health Informatics, vol. 23, no. 4, pp. 1469 – 1476, July 2019

19. A. Hernandez-Suarez, G. Sanchez-Perez, K. Toscano-Medina, V. Martinez-Hernandez, H. Perez-Meana, J. Olivares-Mercado, and V. Sanchez, "Social Sentiment Sensor in Twitter for Predicting Cyber-Attacks Using L1 Regularization," Sensors, vol. 18, no. 5.

20. N. Jia, V. Sanchez, and C.-T. Li, "On View-invariant Gait Recognition: A Feature Selection Solution," IET Biometrics, March 2018

21. F. Auli-Llinas, M. W. Marcellin, V. Sanchez, J. Bartrina-Rapesta, and M. Hernandez-Cabronero, "Dual Link Image Coding for Earth Observation Satellites,"  IEEE Transactions on Geoscience and Remote Sensing, vol. 56, no. 9, pp. 5083-5096, Sept. 2018

22. T.-H. Song, V. Sanchez, H. EIDaly, and N. M. Rajpoot, "Dual-Channel Active Contour Model for Megakaryocytic Cell Segmentation in Bone Marrow Trephine Histology Images," IEEE Transactions on Biomedical Engineering, 2017, vol. 64, no. 12, pp. 2913-2923, December 2017

23. F. Liu, M. Hernandez-Cabronero, V. Sanchez, M. W. Marcellin, and A. Bilgin, "The Current Role of Image Compression Standards in Medical Imaging," Information, vol. 8, no. 4, p. 131, 2017

24. J. Portillo-Portillo, R. Leyva, V. Sanchez, G. Sanchez-Perez, Hector Perez-Meana, J. Olivares-Mercado, K. Toscano-Medina, and M. Nakano-Miyatake, "A view-invariant gait recognition algorithm based on a joint-direct linear discriminant analysis," Applied Intelligence, pp. 1-18, 2017

25. J. Bartrina-Rapesta, I. Blanes, F. Auli-Llinas, J.Serra-Sagrista, V. Sanchez, and M. W. Marcellin, "A Lighweight Contextual Arithmetic Coder for On-Board Remote Sensing Data Compression," IEEE Transactions on Geoscience and Remote Sensing, vol. 55, no. 8, pp. 4825-4835, Aug. 2017

26. R. Leyva, V. Sanchez, and C.-T. Li, "Video Anomaly Detection with Compact Feature Sets for Online Performance," IEEE Transactions on Image Processing, 2017, vol. 26, no. 7, pp. 3463-3478, July 2017

27. A. Khadidos, V. Sanchez, and C.-T. Li, "Weighted Level Set Evolution Based on Local Edge Features for Medical Image Segmentation," IEEE Transactions on Image Processing, vol. 26, no. 4, pp. 1979-1991, April 2017

28. V. Sanchez, F. Auli-Llinas, and J. Serra-Sagrista, "DPCM-based Edge Prediction for Lossless Screen Content Coding in HEVC," IEEE Journal on Emerging and Selected Topics in Circuits and Systems, vol. 6, no. 4, pp. 497-507, Dec. 2016

29. J. Portillo-Portillo, R. Leyva, V. Sanchez, G. Sanchez-Perez, H. Perez-Meana, J. Olivares-Mercado, K. Toscano-Medina, and M. Nakano-Miyatake, "Cross View Gait Recognition Using Joint-Direct Linear Discriminant Analysis," Sensors, vol. 17, no. 1, p. 6, 2016

30. A. Thomason, N. Griffiths, V.Sanchez, "Context Trees: Augmenting Geospatial Trajectories with Context," ACM Transactions on Information Systems, vol. 35, no. 2, 2016

31. V. Sanchez, F. Auli-Llinas, and J. Serra-SagristaI, "Piecewise Mapping in HEVC Lossless Intra-prediction Coding," IEEE Transactions on Image Processing, vol. 25, no. 9, pp. 4004-4017, Sept. 2016

32. F. Auli-Llinas, P. Enfedaque, J. C. Moure, and V. Sanchez, "Bitplane image coding with parallel coefficient processing," IEEE Transactions on Image Processing, 2016, vol. 25, no. 1, pp. 209-219, Jan. 2016

33. A. Thomason, N. Griffiths, and V. Sanchez, "Identifying Locations from Geospatial Trajectories," Journal of Computer and System Sciences, vol 82, no. 4, pp. 566-581, 2016

34. G. Li, V. Sanchez, P. C. Nagaraj, S. Khan, and N. Rajpoot, "A Novel Multi-Target Tracking Algorithm for Myosin VI Protein Molecules on Actin Filaments in TIRFM Sequences," Journal of Microscopy, no. 3, pp. 312-325, 2015

35. J. Bartrina-Rapesta, F. Auli-Llinas, I. Blanes, M. W. Marcellin, V. Sanchez, and J. Serra-Sagrista, "Efficient storage of microCT data preserving bone morphometry assessment," ELSEVIER Computers & Electrical Engineering, Available on-line: July 2015

36. S. Raza, V. Sanchez, G. Prince, J. Clarkson, and N. Rajpoot, "Registration of Thermal and Visible Light Images of Diseased Plants using Silhouette Extraction in the Wavelet Domain," Pattern Recognition, vol. 48, no. 7, pp. 2119-2128, 2015

37. G. Li, V. Sanchez, G Patel, S Quenby, and N. M. Rajpoot, "Localisation of Luminal Epithelium Edge in Digital Histopathology Images of IHC Stained Slides of Endometrial Biopsies," special issue of Computerized Medical Imaging and Graphics on Breakthrough Technologies in Digital Pathology, vol. 42, pp. 56-64, 2015

38. V. Sanchez, "Joint Source/Channel Coding for Prioritized Wireless Transmission of Multiple 3D Regions of Interest in 3D Medical Imaging Data," IEEE Transactions on Biomedical Engineering, vol. 60. no. 2, pp. 397-405, 2013

39. V. Sanchez, P. Nasiopoulos, "Compression of 3D Medical Images for Wireless Transmission," E-Letter of Multimedia Communications Technical Committee (MMTC), IEEE Communications Society (ComSoc), vol. 6, no. 7, pp. 17-21, 2011

40. V. Sanchez, R. Abugharbieh, P. Nasiopoulos, "3D Scalable Medical Image Compression with Optimized Volume of Interest Coding," IEEE Transactions on Medical Imaging, vol. 29, no. 10, pp. 1808-1820, 2010

41. B. Sobolev, V. Sanchez, C. Vasilakis, "Systematic review of the use of computer simulation modeling of patient flow in surgical care," Journal of Medical Systems, Published on-line: 7 July 2009

42. V. Sanchez, R. Abugharbieh, P. Nasiopoulos, "Symmetry-Based Scalable Lossless Compression of 3D Medical Image Data," IEEE Transactions on Medical Imaging, vol. 28, no. 7, pp. 1062-1072, 2009

43. V. Sanchez, P. Nasiopoulos, R. Abugharbieh, "Novel Lossless fMRI Image Compression Based on Motion Compensation and Customized Entropy Coding," IEEE Transactions on Information Technology in Biomedicine, vol. 13, no. 4, pp. 645-655, 2009

44. B. Sobolev, V. Sanchez, L. Kuramoto, A. Levy, M. Schechter, M. FitzGerald, "Evaluation of booking systems for elective surgery using simulation experiments," Healthcare Policy, vol. 3, no. 4, pp. 113-124, 2008

45. V. Sanchez, P. Nasiopoulos, R. Abugharbieh, "Efficient Lossless Compression of 4D Medical Images Based on the Advanced Video Coding Scheme," IEEE Transactions on Information Technology in Biomedicine, vol. 12, no. 4, pp. 442-446, 2008

46. V. Sanchez, A. Basu, M. K. Mandal, "Robust Transmission of Regions of Interest in JPEG2000," Journal of Electronic Imaging, vol. 15, no. 1, pp. 1-6, January-March 2006

47. V. Sanchez, A. Basu, M. K. Mandal, "Prioritized Region of Interest Coding in JPEG2000," IEEE Transactions on Circuits and Systems for Video Technology, vol. 14, no. 9, pp. 1149-1155, September 2004

48. V. Sanchez, M. K. Mandal, "Efficient Channel Protection for JPEG2000 Bitstream," IEEE Transactions on Circuits and Systems for Video Technology, vol. 14, no. 4, pp. 554-558, April 2004

49. V. Sanchez, M. K. Mandal, "Robust transmission of JPEG2000 Images over Noisy Channels," IEEE Transactions on Consumer Electronics, vol. 48, no. 3, pp. 451-456, August 2002

Conferences

1. NEW! V. Sanchez, “Prediction of Imaging Data based on Signal Processing boosted by Neural Networks with Continual Learning,” to be presented at the IEEE International Workshop on Machine Learning for Signal Processing (MLSP), London, UK, September 2024

2. NEW! O. Styles, S. Miller, P. Cerda-Mardini, T. Guha, V Sanchez, and B. Vidgen, “WorkBench: a Benchmark Dataset for Agents in a Realistic Workplace Setting,” to be presented at the 2024 Conference on Language Model, Philadelphia, Pennsylvania, USA, October 2024

3. NEW! B. Atote and V. Sanchez, “Enhanced Prototypical Part Network (EPPNET) for Explainable Image Classification via Prototypes,” to be presented at the IEEE International Conference on Image Processing (ICIP), Abu Dhabi, United Arab Emirates, October 2024

4. R. Leyva, V. Sanchez, G. Epiphaniou, and C. Maple, “Demographic Bias Effects on Face Image Synthesis,” IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) Workshops, pp. 3818-3826, June 2024

5. H. Wang, V. Sanchez, and C.-T. Li, “Cross-Age Contrastive Learning for Age-Invariant Face Recognition,” IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 4600-4604, April 2024

6. V. Sanchez, “Overfitted Neural Networks for Block-based Intra-prediction,” Data Compression Conference (DCC), pp. 13-22, March 2024

7. B. Lewis and V. Sanchez, “Tracing Videos to their Social Network with Robust DCT Analysis,” presented at the 2023 European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML PKDD), Turin, Italy, September 2023

8. R. Leyva, V. Sanchez, G. Epiphaniou, and C. Maple, “Detecting Face Synthesis Using a Concealed Fusion Model,” presented at the 2023 European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML PKDD), Turin, Italy, September 2023

9. R. Leyva, G. Epiphaniou, C. Maple and V. Sanchez, “Unsupervised Face Synthesis Based on Human Traits,”11th International Workshop on Biometrics and Forensics (IWBF), Barcelona, Spain, 2023, pp. 1-6

10. S. Shao and V. Sanchez, “A Study on Diffusion Modelling For Sensor-based Human Activity Recognition,” 11th International Workshop on Biometrics and Forensics (IWBF), Barcelona, Spain, 2023, pp. 1-7

11. Y. Ma, D. Upadhyay, V. Sanchez, B. Atote, S. Nikan, T.Guha, “Robust Multiview Multimodal Driver Monitoring System Using Masked Multi-Head Self-Attention,” IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) Workshops, pp. 2617-2625, 2023

12. Y. Ouyang, G. Shen, and V. Sanchez, "Look at Adjacent Frames: Video Anomaly Detection without Offline Training," 2022 ECCV Workshop on Real-World Surveillance, pp. 642-658, Tel-Aviv, Israel, October 2022

13. J. Liao, T. Guha, and V. Sanchez, "Self-supervised Frontalization and Rotation GAN with Random Swap for Pose-invariant Face Recognition," IEEE International Conference on Image Processing (ICIP), pp. 911-915, Bordeaux, France, October 2022

14. Y. Ma, T. Guha, and V. Sanchez, "FusionCount: Efficient Crowd Counting via Multiscale Feature Fusion," IEEE International Conference on Image Processing (ICIP), pp. 3256-3260, Bordeaux, France, October 2022

15. A. Shirian, K. Somandepalli, V. Sanchez, and T. Guha, "Visually-aware Acoustic Event Detection using Heterogeneous Graphs," 23rd INTERSPEECH Conference, pp. 2428-243, Incheon, Korea, September 2022.

16. G. Shen, Y. Ouyang, and V. Sanchez, "Video Anomaly Detection via Prediction Network with Enhanced Spatio-Temporal Memory Exchange", IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 3728-3732, Singapore, May 2022.

17. D. Roy, T. Guha, and V. Sanchez, "Graph-Based Transform Based on 3D Convolutional Neural Network for Intra-Prediction of Imaging Data," Data Compression Conference (DCC), pp. 212-221, Snowbird, USA, March 2021.

18. F. Kesa, O. Styles, and V. Sanchez, "Multiple Object Tracking and Forecasting: Jointly Predicting Current and Future Object Locations," Proceeding of the 2022 IEEE/CVF Winter Conference on Applications of Computer Vision Workshops (WACV-W), pp. 560-569, January 2022.

19. D. Roy, T. Guha, and V. Sanchez, "Graph-based Transform Based on Neural Networks for Intra-prediction of Imaging Data," Proceeding of the IEEE International Workshop on Machine Learning for Signal Processing, pp. 1-6, Brisbane, Australia, October 2021

20. V. Sanchez, M. Hernandez-Cabronero, and J. Serra-Sagrista, "Block-Wise Intra-prediction of Imaging Data based on Overfitted Neural Networks with On-line Learning," Proceeding of the IEEE International Workshop on Machine Learning for Signal Processing, pp. 1-6, Brisbane, Australia, October 2021.

21. R. Leyva and V. Sanchez, "Video Memorability Prediction via Late Fusion of Deep Multi-modal Features," Proceedings of the IEEE International Conference on Image Processing (ICIP), pp. 2488-2492, Anchorage, Alaska, USA, September 2021

22. L. Prangnell and V. Sanchez, "HVS-based Perceptual Color Compression of Image Data," Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 1600-1604, Virtual, June 2021

23. V. Sanchez, M. Hernandez-Cabronero, and J. Serra-Sagrista, "Hybrid Intra-Prediction in Lossless Video Coding using Overfitted Neural Networks," Proceedings of the Data Compression Conference, pp. 369-369, Snowbird, USA, March 2021

24. D. Roy, T. Guha, and V. Sanchez, "Graph-Based Transforms based on Graph Neural Networks for Predictive Transform Coding," Proceedings of the 2021 Data Compression Conference, pp. 367-367, Snowbird, USA, March 2021

25. Y. Ouyang and V. Sanchez, "Video Anomaly Detection by Estimating Likelihood of Representations,"  Proceedings of the International Conference on Pattern Recognition (ICPR), pp. 8984-8991, Milan, Italy, January 2021

26. J. Liao, A. Kot, T. Guha, and V. Sanchez, "Attention Selective Network for Face Synthesis and Pose-invariant Face Recognition," Proceedings of the IEEE International Conference on Image Processing (ICIP), pp. 748-752, Abu Dhabi, United Arab Emirates, October 2020

27. A. Algamdi, V. Sanchez, and C.-T. Li, "DroneCaps: Recognition of Human Actions in Drone Videos using Capsule Networks with Binary Volume Comparisons," Proceedings of the  IEEE International Conference on Image Processing (ICIP), pp. 3174-3178, Abu Dhabi, United Arab Emirates, October 2020

28. O. Styles, T. Guha, V. Sanchez, and  Alex Kot, "Multi-Camera Trajectory Forecasting: Pedestrian Trajectory Prediction in a Network of Cameras," Proceedings of the  2020 Computer Vision and Pattern Recognition Workshops (CVPRW), pp. 1016-1017, Seattle, USA, June 2020. Best Student Paper Award

29. S. Singh, V. Sanchez, and T. Guha, "Ensemble Network for Ranking Images based on Visual Appeal," Proceedings of the 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 4507-4511, Barcelona, Spain, May 2020 (poster presentation)

30. A. Almowallad, and  V. Sanchez, "Human Emotion Distribution Learning from Face Images using CNN and LBC Features," Proceedings of the 8th IEEE International Workshop on Biometrics and Forensics (IWBF2020), pp. 1-6, Porto, Portugal, April 2020 (poster presentation)

31. V. Sanchez, "Model-independent Rate Control for Intra-coding based on Piecewise Linear Approximations," Proceedings of the 2020 Data Compression Conference, pp. 392-392, Snowbird, UT, USA, March 2020 (poster presentation)

32. O. Styles, T. Guha, and V. Sanchez, "Multiple Object Forecasting: Predicting Future Object Locations in Diverse Environments," Proceedings of the 2020 Winter Conference on Applications of Computer Vision (WACV), pp. 690-699, Colorado, USA, March 2020

33. O. Styles, A. Ross, and V. Sanchez, "Forecasting Pedestrian Trajectory with Machine-Annotated Training Data," Proceedings of the 2019 IEEE Intelligent Vehicles Symposium, pp. 716-721, Paris, France, June 2019 (poster presentation)

34. A. Hernandez-Suarez, L. Duarte-Garcia, V. Sanchez, K. Toscano-Medina, G.Sanchez-Perez, H. Perez-Meana, and A. Sandoval, "A Semi-supervised Learning Methodology for Malware Categorization using Weighted Word Embeddings," Proceedings of the 2019 IEEE European Symposium on Security and Privacy Workshops (EuroS&PW), pp. 238-246, Stockholm, Sweden, June 2019 (podium presentation)

35. A. Algamdi, V. Sanchez, and C.-T. Li, "Learning Temporal Information from Spatial Information using CapsNets for Human Action Recognition," Proceedings of the 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 3867-3871, May 2019 (poster presentation)

36. R. Leyva, G. Santos, A. Rocha,  V. Sanchez, and C.-T. Li, "Accelerometer Dense Trajectories for Activity Recognition and People Identification," Proceedings of the 7th IAPR/IEEE International Workshop on Biometrics and Forensics (IWBF2019), p. 8739218, May 2019 (podium presentation)

37. K. Perez-Daniel, F. Garcia-Ugalde, and V. Sanchez, "Scene-based Imperceptible-visible Watermarking for HDR Video Content", Proceedings of the 7th IAPR/IEEE International Workshop on Biometrics and Forensics (IWBF2019), pp. 1-6, May 2019 (poster presentation)

38. D. Roy, T. Guha, and V. Sanchez, "Graph-Based Transform with Weighted Self-loops for Predictive Transform Coding based on Template Matching," Proceedings of the 2019 Data Compression Conference (DCC), pp. pp. 329-338, Utah, USA, March 2019 (podium presentation)

39. R. Leyva, V. Sanchez, and C.-T. Li, "Detecting Small Objects in High-resolution Images with Integral Fisher Score," Proceedings of the 2018 IEEE International Conference on Image Processing, pp. 316-320, October 2018, Athens, Greece (podium presentation)

40. H. Wang, X. Wei, V. Sanchez, and C.-T. Li, "Fusion Network for Face-based Age Estimation," Proceedings of the 2018 IEEE International Conference on Image Processing, pp. 2675-2679, October 2018, Athens, Greece (poster presentation)

41. A. Hernandez-Suarez, G. Sanchez-Perez, K. Toscano-Medina, V. Martinez-Hernandez, J. Olivares-Mercado, H. Perez-Meana, and V. Sanchez, "Can Twitter API be bypassed? A New Methodology for Collecting Chronological Information Without Restrictions," Proceedings of the 17th International Conference on Intelligent Software Methodologies, Tools, and Techniques (SOMET 18), pp. 453-462, September 2018, Granada, Spain (podium presentation)

42. R. Leyva, V. Sanchez, and C.-T. Li, "Fast Detection of Abnormal Events in Videos with Binary Features," Proceedings of the 2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 1318-1322, April 2018, Calgary, Canada (podium presentation)

43. L. Prangnell and V. Sanchez, "JND-based Perceptual Video Coding for 4:4:4 Screen Content Data in HEVC," Proceedings of the 2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 1203-1207, April 2018, Calgary, Canada (podium presentation)

44. V. Sanchez, "Rate Control for HEVC Intra-Coding based on Piecewise Linear Approximations," Proceedings of the 2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 1782-1786, April 2018, Calgary, Canada (poster presentation)

45. D. Roy and V. Sanchez, "Graph-Based Transforms based on Prediction Inaccuracy Modeling for Pathology Image Coding,"  Proceedings of the 2018 Data Compression Conference, pp. 157-166, Utah, USA, March 2018 (podium presentation)

46. N. Jia, V. Sanchez, and C.-T. Li, "Learning Optimised Representation for View-invariant Gait Recognition," Proceedings of the 2017 International Joint Conference on Biometrics, pp. pp. 774-780, October 2017, Denver, Colorado, USA (podium presentation)

47. K. Perez-Daniel, and V. Sanchez, "Luma-aware Multi-model Rate-control for HDR Content in HEVC," Proceedings of the 2017 IEEE International Conference on Image Processing, pp. 1022-1026, September 2017, China (podium presentation)

48. L. Prangnell, M. Hernández-Cabronero, and V. Sanchez, "Coding Block-level Perceptual Video Coding for 4:4:4 Data in HEVC,"  Proceedings of the 2017 IEEE International Conference on Image Processing, pp. 2488-2492, September 2017, China (poster presentation)

49. J. Bartrina Rapesta, V. Sanchez, J. Serra Sagrista, M. Marcellin, F. Auli Llinas, and Ian Blanes, "Lossless Medical Image Compression through Lightweight Binary Arithmetic Coding," Proceedings of the 2017 SPIE conference on Applications of Digital Image Processing XL, vol. 10396, p. 103960S, August 2017, San Diego, USA (podium presentation)

50. R. Leyva, V. Sanchez, and C.-T. Li, "Abnormal Event detection in Videos using Binary Features," Proceedings of the 40th International Conference on Telecommunications and Signal Processing (TSP), pp. 621-625, July 2017, Barcelona, Spain (podium presentation)

51. J. Portillo-Portillo, H. Perez-Meana, G. Sanchez-Perez, K. Toscano-Medina, M. Nakano-Miyatake, and V. Sanchez, "Motion Detection by Eigen-projections from Incremental Subspace Learning," Proceedings of the 40th International Conference on Telecommunications and Signal Processing (TSP), pp. 567-572, July 2017, Barcelona, Spain (podium presentation)

52. T.-H. Song, V. Sanchez, H. EIdaly, and N. M. Rajpoot, "Simultaneous Cell Detection and Classification with an Asymmetric Deep Autoencoder in Bone Marrow Histology Images", Proceedings of the 2017 Medical Image Understanding and Analysis Conference (MIUA), pp. 829-838, July 2017, Edinburgh, UK (poster presentation)

53. R. Leyva, V. Sanchez, and C.-T. Li, "The LV Dataset: a Realistic Surveillance Video Dataset for Abnormal Event Detection," Proceedings of the  5th International Workshop on Biometrics and Forensics (IWBF2017), pp. 1-6, April 2017, Coventry, UK (podium presentation)

54. N. Jia, C.-T. Li, V. Sanchez, and A. W.-C. Liew, "Fast and Robust Framework for View-invariant Gait Recognition," Proceedings of the  5th International Workshop on Biometrics and Forensics (IWBF2017), pp. 1-6, April 2017, Coventry, UK (podium presentation)

55. A. Hernandez-Suarez, G. Sanchez-Perez, V. Martinez-Hernandez, H. Perez-Meana, K. Toscano-Medina, M. Nakano, and V. Sanchez, "Predicting Political Mood Tendencies based on Twitter Data," Proceedings of the  5th International Workshop on Biometrics and Forensics (IWBF2017), pp. 1-6, April 2017, Coventry, UK (poster presentation)

56. L. Prangnell, M. Hernandez-Cabronero, and V. Sanchez, "Cross-Color Channel Perceptually Adaptive Quantization for HEVC," Proceedings of the 2017 Data Compression Conference (DCC), pp. 456-456, April 2017 (poster presentation)

57. T.-H. Song, V. Sanchez, H. Eldaly, N. Rajpoot, "Hybrid Deep Autoencoder with Curvature Gaussian for Detection of Various Types of Cells in Bone Marrow Trephine Biopsy Images," Proceedings of the 2017 International Symposium on Biomedical Imaging (ISBI), pp. 1040-1043, April 2017, Melbourne, Australia (poster presentation)

58. A. Khadidos, V. Sanchez, and C.-T. Li, "Path-based Segmentation of Overlapping Cervical Cells Using Active Contour with Local Edge Information," Proceedings of the 2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 1058-1062, March 2017, New Orleans, USA (poster presentation)

59. Leyva, V. Sanchez, C. T.-Li, "Fast Binary-Based Video Descriptors for Action Recognition," Proceedings of the 2016 International Conference on Digital Image Computing: Techniques and Applications (DICTA), pp. 1-8, December 2016, Australia  (podium presentation)

60. A.Thomason, N. Griffiths, and V. Sanchez, "Predicting Interactions and Contexts with Context Trees," Proceedings of the 24th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, p. 46, October 2016, (poster presentation)

61. R. Leyva, V. Sanchez, and C.-T. Li, "A Fast Binary Pair-Based Video Descriptor for Action Recognition," Proceedings of the 2016 IEEE International Conference on Image Processing, pp. 4185-4189, September 2016 (poster presentation)

62. M. Hernandez-Cabronero, V. Sanchez, F. Auli-LLinas, and J. Serra-Sagrista, "Fast MCT Optimization for the Compression of Whole-slide Images," Proceedings of the 2016 IEEE International Conference on Image Processing, pp. 2370-2374, September 2016 (poster presentation)

63. J. Portillo, R. Leyva, V. Sanchez, G. Sanchez, H. Perez-Meana, J. Olivares, K. Toscano, and M. Nakano, "View-Invariant Gait Recognition Using a Joint-DLDA Framework," Proceedings of the 2016 International Conference on Industrial, Engineering and Other Applications of Applied Intelligent Systems, pp. 398-408, 2016, (podium presentation) Best Paper Award

64. M. Hernandez-Cabronero, V. Sanchez, F. Auli-Llinas, and J. Serra-Sagrista, "Lossy Compression of Natural and HDR Images Based on Multi-Component Transform Optimization," Proceedings of the 2016 Digital Media Industry & Academic Forum (DMIAF), pp. 23-28, July 2016 (podium presentation)

65. M. Hernandez-Cabronero, F. Auli-Llinas, V. Sanchez, and J. Serra-Sagrista, "Transform Optimization for the Lossy Coding of Pathology Whole-Slide Images," Proceedings of the 2016 Data Compression Conference (DCC), pp. 131-140,  April 2016 (podium presentation)

66. F. Auli-Llinas, M. W. Marcellin, V. Sanchez, J. Serra-Sagrista, J. Bartrina-Rapesta, and I. Blanes, "Coding Scheme for the Transmission of Satellite Imagery," Proceedings of the 2016 Data Compression Conference (DCC), pp. 427-436, April 2016 (podium presentation)

67. L. Prangnell, and V. Sanchez, "Adaptive Quantization Matrices for HD and UHD Display Resolutions in Scalable HEVC," Proceedings of the 2016 Data Compression Conference (DCC), p. 626, April 2016 (poster presentation)

68. V. Sanchez, M. Hernandez-Cabronero, F. Auli-Llinas, and J. Serra-Sagrista, "Fast Lossless Compressionof Whole Slide Pathology Images using HEVC Intra-prediction," Proceedings of the 2016  IEEE International Conference on Acoustics, Speech and Signal Processing, pp. 1456-1460, March 2016 (poster presentation)

69. V. Sanchez, "Fast Intra-prediction for Lossless Coding of Screen Content in HEVC," Proceedings of the IEEE Global Conference on Signal and Information Processing (GlobalSIP), Orlando, Florida, USA, pp. 1367-1371, December 2015 (podium presentation)

70. N. Jia, V. Sanchez, C.-T. Li and H. Mansour, "The Influence of Segmentation On Individual Gait Recognition," Proceedings of the 7th IEEE International Workshop on Information Forensics and Security (WIFS), Rome, Italy, pp. 1-6 November 2015 (podium presentation)

71. A. Thomason, N. Griffiths, and V. Sanchez, "Parameter Optimisation for Location Extraction and Prediction Applications," Proceedings of the 13th IEEE International Conference on Pervasive Intelligence and Computing (PICom-2015), Liverpool, UK, pp. 2173-2180, October 2015 (podium presentation)

72. V. Sanchez, "Lossless Screen Content Coding in HEVC based on Sample-wise Median and Edge Prediction,"  Proceedings of the 2015 IEEE International Conference on Image Processing, pp. 4604-4608, October 2015 (poster session)

73. N. Jia, V. Sanchez, C.-T. Li and H. Mansour, "On Reducing the Effect of Silhouette Quality on Individual Gait Recognition: a Feature Fusion Approach," Proceedings of the 14th International Conference of the Biometrics Special Interest Group (BIOSIG), pp. 1-5, September 2015 (podium presentation)

74. L. Prangnell, V. Sanchez, and R. Vanam, "Adaptive Quantization by Soft Thresholding in HEVC," Proceedings of the 2015 Picture Coding Symposium, pp. 35-39, June 2015 (poster session)

75. V. Sanchez, "Sample-based Edge Prediction based on Gradients for Lossless Screen Content Coding in HEVC," Proceedings of the 2015 Picture Coding Symposium, pp. 134-138, June 2015 (poster session)

76. V. Sanchez, F. Auli-Llinas, R. Vanam, and J. Bartrina-Rapesta, "Rate control for lossless region of interest coding in HEVC intra-coding with applications to digital pathology images," Proceedings of the 2015 IEEE International Conference on Acoustics, Speech and Signal Processing, pp. 1250 - 1254, April 2015 (podium presentation)

77. F. Auli-Llinas, P. Enfedaque, J. C. Moure, I. Blanes, and V. Sanchez, "Strategy of microscopic parallelism for bitplane image coding," Proceedings of the 2015 Data Compression Conference (DCC), pp. 163-172, April 2015 (podium presentation)

78. T. H. Song, V. Sanchez, H.EIDaly, and N. M. Rajpoot, "A circumscribing active contour model for delineation of nuclei and membranes of megakaryocytes in bone marrow trephine biopsy images," Proceedings of SPIE Medical Imaging 2015: Digital Pathology, pp. 94200T-1-94200T-9, March 2015 (podium presentation)

79. R. Leyva, V. Sanchez, and C.-T. Li, "Video Anomaly Detection based on Wake Motion Descriptors and Perspective Grids," Proceedings of the IEEE Global Conference on Signal and Information Processing (GlobalSIP), Atlanta, Georgia, USA, pp. 209-214, December 2014 (podium presentation)

80. V. Sanchez, F. Auli-Llinas, J. Bartrina-Rapesta, and J. Serra-Sagrista, "HEVC-based Lossless Compression of Whole Slide Pathology Images," Proceedings of the 2014 IEEE Global Conference on Signal and Information Processing (GlobalSIP), Atlanta, Georgia, USA, pp. 297-301, December 2014 (podium presentation)

81. F. Auli-Llinas, P. Enfedaque, J. Serra-Sagrista, and V. Sanchez, "Evaluation of context models to code wavelet-transformed hyperspectral images," Proceedings of the 2014 IEEE International Conference on Image Processing, Paris, France, pp. 5601-5605, October 2014 (podium presentation)

82. A. Khadidos, V. Sanchez, and C.-T. Li, "Active Contours based on Weighted Gradient Vector Flow and Ballon Forces for Medical Image Segmentation," Proceedings of the 2014 IEEE International Conference on Image Processing, Paris, France, pp. 902 - 906, October 2014 (poster session)

83. A. Khadidos, V. Sanchez, and C.-T. Li, "Active Contours with Weighted External Forces for Medical Image Segmentation," Proceedings of the 18th Conference on Medical Image Understanding, pp. 149-154, London, UK, July 2014 (poster session)

84. D. Neville, J. Brill, J. Juzl, C. Howell, and V. Sanchez, "Enhancing Safety-Critical Message Dissemination in WAVE," Proceedings of the 10th International Conference on Wireless and Mobile Communications (ICWMC 2014), pp. 160-163, Seville, Spain (podium presentation)

85. V. Sanchez and J. Bartrina-Rapesta, "Lossless Compression of Medical Images based on HEVC Intra Coding," Proceedings of the 2014 IEEE International Conference on Acoustics, Speech and Signal Processing, pp. 6622-6626, Florence, Italy, May 2014 (poster session)

86. G. Li, V. Sanchez, S. Quenby, and N. Rajpoot, "Localization of Luminal Epithelium Edge in Digital Histopathology Images of IHC Stained Slides of Endometrial Biopsies," 12th European Congress on Digital Pathology, June 2014 (podium presentation)

87. V. Sanchez, J. Bartrina-Rapesta, F. Auli-Llinas, and J. Serra-Sagrista, "Improvements to HEVC Intra Coding for Lossless Medical Image Compression," Proceedings of the 2014 Data Compression Conference (DCC), pp. 423, Snowbird, Utah, USA, March 2014 (poster session)

88. F. Auli-Llinas, J. Serra-Sagrista, and V. Sanchez, "Compression Limits of Wavelet-based Image Coding" Proceedings of the 2014 Data Compression Conference (DCC), pp. 397, Snowbird, Utah, USA, March, 2014 (poster session)

89. Z. Xu, J. Bartrina-Rapesta, V. Sanchez, J. Serra-Sagrista, and J. Munoz-Gomez, "Diagnostically Lossless Compression of X-ray Angiography Images based on Automatic Segmentation using Ray-casting and alpha-shapes," Proceedings of the 2013 IEEE International Conference on Image Processing, Melbourne, Australia, pp. 738-742, September 2013 (podium presentation)

90. M. Hernandez-Cabronero, V. Sanchez, M. W. Marcellin, and J. Serra-Sagrista, "A Distortion Metric for the Lossy Compression of DNA Microarray Images," Proceedings of the 2013 Data Compression Conference (DCC), pp. 171-180, Snowbird, Utah, USA, March 2013 (podium presentation)

91. Z. Xu, J. Bartrina-Rapesta, V. Sanchez, J. Serra-Sagrista, and J. Munoz-Gomez, "Diagnostically Lossless Compression of X-ray Angiographic Images through Background Suppression," Proceedings of the 2013 Data Compression Conference (DCC), pp. 529-529, Snowbird, Utah, USA, March  2013 (poster session)

92. V. Sanchez and J. Serra-Sagrista, "Joint Source/Channel Coding in 3D-JPEG2000 for Wireless 3D Region of Interest Transmission in 3D Medical Imaging Data," Proceedings of the 8th IEEE International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob 2012), pp. 245-252, Barcelona, Spain, October 2012 (podium presentation)

93. V. Sanchez "Optimal Channel Coding for Scalable Wireless Transmission of 3D Regions of Interest in 3D Medical Images," Proceedings of the 2012 IEEE Workshop on Signal Processing Systems, pp. 258-263, Quebec City, Canada, October 2012 (podium presentation)

94. V. Sanchez and A. Zakhor, "Planar 3D Modeling of Building Interiors from Point Cloud Data," Proceedings of the 2012 IEEE International Conference on Image Processing, pp. 1777-1780, Orlando, Florida, USA, October 2012 (poster session)

95. V. Sanchez and P. Nasiopoulos, "3D Medical Image Coding with Optimal Channel Protection for Wireless Transmission," Proceedings of the 2011 International Conference on Acoustics, Speech and Signal Processing, pp. 561-564, Prague, Czech Republic, May 2011 (podium presentation)

96. V. Sanchez, B. Sobolev, and L. Kuramoto, "Evaluation of methods for scheduling clinic appointments using simulation experiments," 6th IMA Conference on Quantitative Modelling in the Management of Health Care, London, UK, March 2010 (podium presentation)

97. V. Sanchez, R. Abugharbieh, and P. Nasiopoulos, "3D Scalable Lossless Compression of Medical Images Based on Global and Local Symmetries," Proceedings of the 2009 IEEE International Conference on Image Processing, pp. 2525-2528, Cairo, Egypt, November 2009 (poster session)

98. V. Sanchez, B. Sobolev, and C. Vasilakis, "Systematic review of the use of computer simulation modeling of patient flow in surgical care," 21st Health Policy Conference of the UBC Centre for Health Services and Policy Research, Vancouver, Canada, February 2009 (poster session)

99. V. Sanchez, P. Nasiopoulos, and R. Abugharbieh, "Efficient 4D Motion Compensated Lossless Compression of Dynamic Volumetric Medical Image Data," Proceedings of the 2008 International Conference on Acoustics, Speech and Signal Processing, pp. 549-552, Las Vegas, U.S., April 2008 (poster session). Nominated for Best Student Paper Award

100. V. Sanchez, P. Nasiopoulos, and R. Abugharbieh, "Lossless Compression of 4D Medical Images using H.264/AVC," Proceedings of the 2006 International Conference on Acoustics, Speech and Signal Processing, pp. 1116-1119, Toulouse, France, May  2006 (poster session)

101. V. Sanchez, A. Basu, and M. K. Mandal, "Robust Wireless Transmission of Regions of Interest in JPEG2000," Proceedings of the 2004 IEEE International Conference on Image Processing, pp. 2491-2494, Singapore, October 2004 (podium presentation)

102. V. Sanchez, A. Basu, and M. K. Mandal, "Prioritized Region of Interest Coding in JPEG2000," Proceedings of the 17th International Conference on Pattern Recognition, pp. 799-802, Cambridge, UK, August 2004 (podium presentation)

103. V. Sanchez, and M. K. Mandal, "Adaptive Unequal Channel Protection for JPEG2000 Images," Proceedings of the 3rd Indian Conference on Computer Vision, Graphics and Image Processing, pp. 417-422, Ahmedabad, India, December 2002 (podium presentation

104. V. Sanchez, and M. K. Mandal, "Robust transmission of JPEG2000 Images over Noisy Channels," Proceedings of the 2002 IEEE International Conference on Consumer Electronics, pp. 80-81, Los Angeles, U.S.A., June 2002 (podium presentation)