All Stories

  1. Reducing reading time and assessing disease in capsule endoscopy videos: A deep learning approach

    Article • International Journal of Medical Informatics, March 2025, Elsevier

    Isabel Figueiredo

  2. Registration of Consecutive Frames From Wireless Capsule Endoscopy for 3D Motion Estimation

    Article • IEEE Access, January 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Prof Helder Araujo, Isabel Figueiredo

  3. Fast colonic polyp detection using a Hamilton–Jacobi approach to non-dominated sorting

    Article • Biomedical Signal Processing and Control, August 2020, Elsevier

    Isabel Figueiredo

  4. Wireless Capsule Endoscope Location and a Robotic Validation Experiment

    Article • September 2019, Springer Science + Business Media

    Prof Helder Araujo, Isabel Figueiredo

  5. Biomathematical model for simulating abnormal orifice patterns in colonic crypts

    Article • Mathematical Biosciences, September 2019, Elsevier

    Isabel Figueiredo

  6. Unsupervised segmentation of colonic polyps in narrow-band imaging data based on manifold representation of images and Wasserstein distance

    Article • Biomedical Signal Processing and Control, August 2019, Elsevier

    Isabel Figueiredo

  7. Polyp detection with computer-aided diagnosis in white light colonoscopy: comparison of three different methods

    Article • Endoscopy International Open, January 2019, Thieme Publishing Group

    Isabel Figueiredo

  8. Colonic Polyp Identification Using Pareto Depth Anomaly Detection Algorithm

    Article • January 2019, Springer Science + Business Media

    Isabel Figueiredo

  9. Spatially Adaptive Total Variation Deblurring with Split Bregman Technique

    Article • IET Image Processing, January 2018, the Institution of Engineering and Technology (the IET)

    Mahdi Dodangeh, Isabel Figueiredo

  10. Hybrid multiscale affine and elastic image registration approach towards wireless capsule endoscope localization

    Article • Biomedical Signal Processing and Control, January 2018, Elsevier

    Isabel Figueiredo

  11. A Variational Model for Image Artifact Correction Based on Wasserstein Distance

    Article • October 2017, Springer Science + Business Media

    Isabel Figueiredo

  12. Dissimilarity Measure of Consecutive Frames in Wireless Capsule Endoscopy Videos: A Way of Searching for Abnormalities

    Article • June 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Isabel Figueiredo

  13. Automated retina identification based on multiscale elastic registration

    Article • Computers in Biology and Medicine, December 2016, Elsevier

    Isabel Figueiredo

  14. Smartphone application for emergency signal detection

    Article • Medical Engineering & Physics, September 2016, Elsevier

    Isabel Figueiredo

  15. Exploring smartphone sensors for fall detection

    Article • mUX The Journal of Mobile User Experience, May 2016, Springer Science + Business Media

    Isabel Figueiredo

  16. Optical flow with fractional order regularization: Variational model and solution method

    Article • Applied Numerical Mathematics, May 2016, Elsevier

    Isabel Figueiredo

  17. Bag of Visual Words Approach for Bleeding Detection in Wireless Capsule Endoscopy Images

    Article • January 2016, Springer Science + Business Media

    Isabel Figueiredo

  18. Homogenization Model for Aberrant Crypt Foci

    Article • SIAM Journal on Applied Mathematics, January 2016, Society for Industrial & Applied Mathematics (SIAM)

    Isabel Figueiredo

  19. A Modified Lyzenga’s Model for Multispectral Bathymetry Using Tikhonov Regularization

    Article • IEEE Geoscience and Remote Sensing Letters, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Isabel Figueiredo

  20. Automated lesion detectors in retinal fundus images

    Article • Computers in Biology and Medicine, November 2015, Elsevier

    Isabel Figueiredo

  21. Hybrid multi-GPU computing: accelerated kernels for segmentation and object detection with medical image processing applications

    Article • Journal of Real-Time Image Processing, July 2015, Springer Science + Business Media

    Isabel Figueiredo

  22. AUTOMATIC EXTRACTION OF TIDE-COORDINATED SHORELINE USING OPEN SOURCE SOFTWARE AND LANDSAT IMAGERY

    Article • April 2015, Copernicus GmbH

    Isabel Figueiredo

  23. A GPU Accelerated Algorithm for Blood Detection inWireless Capsule Endoscopy Images

    Article • January 2015, Springer Science + Business Media

    Isabel Figueiredo

  24. Detecting changes on coastal primary sand dunes using multi-temporal Landsat imagery

    Article • October 2014, SPIE

    Isabel Figueiredo

  25. Automated Polyp Detection in Colon Capsule Endoscopy

    Article • IEEE Transactions on Medical Imaging, July 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Isabel Figueiredo

  26. Automatic Optic Disc Detection in Retinal Fundus Images Based on Geometric Features

    Article • January 2014, Springer Science + Business Media

    Isabel Figueiredo

  27. Pattern Classes in Retinal Fundus Images Based on Function Norms

    Article • January 2014, Springer Science + Business Media

    Isabel Figueiredo

  28. Wavelet-Based Computer-Aided Detection of Bright Lesions in Retinal Fundus Images

    Article • January 2014, Springer Science + Business Media

    Isabel Figueiredo

  29. Computer-assisted bleeding detection in wireless capsule endoscopy images

    Article • Computer Methods in Biomechanics and Biomedical Engineering Imaging & Visualization, December 2013, Taylor & Francis

    Isabel Figueiredo

  30. An automatic blood detection algorithm for wireless capsule endoscopy images

    Article • October 2013, Taylor & Francis

    Isabel Figueiredo

  31. An intelligent system for polyp detection in wireless capsule endoscopy images

    Article • October 2013, Taylor & Francis

    Isabel Figueiredo

  32. Fast aberrant crypt foci segmentation on the GPU

    Article • May 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Isabel Figueiredo

  33. A Multiscale Model for Aberrant Crypt Foci

    Article • Procedia Computer Science, January 2013, Elsevier

    Isabel Figueiredo

  34. Physiologic Parameter Estimation Using Inverse Problems

    Article • SIAM Journal on Applied Mathematics, January 2013, Society for Industrial & Applied Mathematics (SIAM)

    Isabel Figueiredo

  35. Texture image segmentation with smooth gradients and local information

    Article • September 2012, Taylor & Francis

    Surya Prasath, Isabel Figueiredo

  36. Mucosal region detection and 3D reconstruction in wireless capsule endoscopy videos using active contours

    Article • August 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Isabel Figueiredo

  37. A Segmentation Model and Application to Endoscopic Images

    Article • January 2012, Springer Science + Business Media

    Surya Prasath, Isabel Figueiredo

  38. A convection-diffusion-shape model for aberrant colonic crypt morphogenesis

    Article • Computing and Visualization in Science, April 2011, Springer Science + Business Media

    Isabel Figueiredo

  39. Abnormal polyp detection from wireless capsule endoscopy videos

    Article • Diagnostic and Therapeutic Endoscopy, January 2011, Hindawi Publishing Corporation

    Surya Prasath, Isabel Figueiredo

  40. Image-Driven Parameter Estimation in Absorption-Diffusion Models of Chromoscopy

    Article • SIAM Journal on Imaging Sciences, January 2011, Society for Industrial & Applied Mathematics (SIAM)

    Isabel Figueiredo

  41. A coupled convection-diffusion level set model for tracking epithelial cells in colonic crypts

    Article • Procedia Computer Science, May 2010, Elsevier

    Isabel Figueiredo

  42. Variational Image Segmentation for Endoscopic Human Colonic Aberrant Crypt Foci

    Article • IEEE Transactions on Medical Imaging, April 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Isabel Figueiredo

  43. Plate-Like Smart Structures: Reduced Models and Numerical Simulations

    Article • Journal of Elasticity, July 2009, Springer Science + Business Media

    Isabel Figueiredo

  44. Frictional contact of an anisotropic piezoelectric plate

    Article • ESAIM Control Optimisation and Calculus of Variations, January 2009, EDP Sciences

    Isabel Figueiredo

  45. A convergence result in the study of bone remodeling contact problems

    Article • Journal of Mathematical Analysis and Applications, July 2008, Elsevier

    Isabel Figueiredo

  46. Modeling and numerical study of actuator and sensor effects for a laminated piezoelectric plate

    Article • Computers & Structures, April 2007, Elsevier

    Isabel Figueiredo

  47. Free Boundary Problems

    Article • January 2007, Springer Science + Business Media

    Isabel Figueiredo

  48. Actuator Effect of a Piezoelectric Anisotropic Plate Model

    Article • Mechanics of Advanced Materials and Structures, August 2006, Taylor & Francis

    Isabel Figueiredo

  49. A Generalized Piezoelectric Bernoulli–Navier Anisotropic Rod Model

    Article • Journal of Elasticity, July 2006, Springer Science + Business Media

    Isabel Figueiredo

  50. Approximation of bone remodeling models

    Article • Journal de Mathématiques Pures et Appliquées, December 2005, Elsevier

    Isabel Figueiredo

  51. Conical differentiability for bone remodeling contact rod models

    Article • ESAIM Control Optimisation and Calculus of Variations, July 2005, EDP Sciences

    Isabel Figueiredo

  52. A Class of Mathematical Programs with Equilibrium Constraints: A Smooth Algorithm and Applications to Contact Problems

    Article • Optimization and Engineering, June 2005, Springer Science + Business Media

    Isabel Figueiredo

  53. Shape Analysis of an Adaptive Elastic Rod Model

    Article • SIAM Journal on Applied Mathematics, January 2005, Society for Industrial & Applied Mathematics (SIAM)

    Isabel Figueiredo

  54. Asymptotic Model of a Nonlinear Adaptive Elastic Rod

    Article • Mathematics and Mechanics of Solids, August 2004, SAGE Publications

    Isabel Figueiredo

  55. The directional instability problem in systems with frictional contacts

    Article • Computer Methods in Applied Mechanics and Engineering, January 2004, Elsevier

    Isabel Figueiredo

  56. Sensitivity Analysis of a Nonlinear Obstacle Plate Problem

    Article • ESAIM Control Optimisation and Calculus of Variations, January 2002, EDP Sciences

    Isabel Figueiredo

  57. Solution Methods for Structural Optimization in Contact Rod Problems

    Article • January 2002, Springer Science + Business Media

    Isabel Figueiredo

  58. Ellipticity of koiter's and naghdi's models for nonhomogeneous anisotropic shells

    Article • Applicable Analysis, August 1998, Taylor & Francis

    Isabel Figueiredo

  59. A class of contact and friction dynamic problems in thermoelasticity and in thermoviscoelasticity

    Article • International Journal of Engineering Science, January 1995, Elsevier

    Isabel Figueiredo

  60. A galerkin approximation for curved beams

    Article • Computer Methods in Applied Mechanics and Engineering, January 1993, Elsevier

    Isabel Figueiredo

  61. A Galerkin approximation for linear elastic shallow shells

    Article • Computational Mechanics, January 1992, Springer Science + Business Media

    Isabel Figueiredo

  62. A justification of the Donnell–Mushtari–Vlasov model by the asymptotic expansion method

    Article • Asymptotic Analysis, January 1991, IOS Press

    Isabel Figueiredo

  63. Local existence and regularity of the solution of the nonlinear thin shell model of donnell-mushtari-vlasov

    Article • Applicable Analysis, January 1990, Taylor & Francis

    Isabel Figueiredo

  64. EXACT CONTROLLABILITY, ASYMPTOTIC METHODS AND PLATES

    Article • De Gruyter

    Isabel Figueiredo

  65. Sensor and Actuator Capabilities of a Laminated Piezoelectric Plate Model

    Article • Springer Science + Business Media

    Isabel Figueiredo