Now showing items 1-20 of 28

  • 3D convolutional neural networks for brain tumor segmentation 

    Casamitjana Díaz, Adrià; Puch Giner, Santi; Aduriz Saiz, Asier; Sayrol Clols, Elisa; Vilaplana Besler, Verónica (2016)
    Conference lecture
    Restricted access - publisher's policy
    This paper presents our work on applying 3D Convolutional Networks for brain tumor segmentation for the BRATS challenge. We are currently experimenting with different 3D fully convolutional architectures. We present ...
  • A new approach to active contours for tracking 

    Pardàs Feliu, Montse; Sayrol Clols, Elisa (Institute of Electrical and Electronics Engineers (IEEE), 2000)
    Conference report
    Open Access
    This paper addresses the application of active contours or snakes for robust tracking of contours. Conventional snake approaches to tracking initialize the current frame snake with the snake obtained in the previous frame ...
  • Data hidding in color images using perceptual models 

    Vidal Manzano, José; Sayrol Clols, Elisa; Madueño Ruíz, María Isabel (Christian Germain, Eric Grivel, Olivier Lavialle, 2000)
    Conference report
    Open Access
    One of the problems arising from the use of digital media is the ease of identical copies of digital images or audio files, allowing manipulation and unauthorized use. Copyright is an effective tool for preserving ...
  • Designing CDIO capstone projects: a systems thinking approach 

    Alarcón Cot, Eduardo José; Bou Balust, Elisenda; Camps Carmona, Adriano José; Bragós Bardia, Ramon; Oliveras Vergés, Albert; Pegueroles Vallés, Josep R.; Sayrol Clols, Elisa; Marqués Acosta, Fernando (2013)
    Conference report
    Open Access
    Given the all-pervasiveness of Systems thinking -which consists of thinking about things as systemsas a way of reasoning, in this work we will describe its application to make an interpretation of how to conceive and ...
  • Electrical Engineering Curriculum: International Overview 

    Jornet, Josep Miquel; Alarcón Cot, Eduardo José; Sayrol Clols, Elisa (2008)
    External research report
    Open Access
  • Higher-order statistics applications in image sequence processing 

    Sayrol Clols, Elisa (Universitat Politècnica de Catalunya, 1994-10-27)
    Doctoral thesis
    Open Access
    Aqueta tesi tracta dues aplicacions dels estadístics d'ordre superior al tractament d'imatges.En primer lloc, es proposa l'ús de mètodes basats en estadístics d'ordre superior per a larestauració d'imatges. Primerament, ...
  • Image restoracion using the w-slice method 

    Sayrol Clols, Elisa; Chrysostomos, Nikias; Gasull Llampallas, Antoni (1995-08)
    Article
    Open Access
    We propose the use of higher order statistics (HOS)-based methods to address the problem of image restoration. The restoration strategy is based on the fact that the phase information of the original image and its HOS are ...
  • Image restoration using HOS and the Radon transform 

    Sayrol Clols, Elisa; Chrysostomos, Nikias; Gasull Llampallas, Antoni (. IEEE, 1993)
    Conference report
    Open Access
    The authors propose the use of higher-order statistics (HOS) to study the problem of image restoration. They consider images degraded by linear or zero phase blurring point spread functions (PSF) and additive Gaussian ...
  • Image restoration using HOS and the Radon transform 

    Sayrol Clols, Elisa; Nikias, C L; Gasull Llampallas, Antoni (IEEE IEEE PRESS, 1993)
    Conference report
    Open Access
    The authors propose the use of higher-order statistics (HOS) to study the problem of image restoration. They consider images degraded by linear or zero phase blurring point spread functions (PSF) and additive Gaussian ...
  • Implementación y primeros resultados de la asignatura de introducción a la ingeniería en los nuevos grados de la ETSETB-UPC 

    Sayrol Clols, Elisa; Onrubia, Raúl; García Hernández, Miguel J.; Oliveras Vergés, Albert; Bragós Bardia, Ramon; Pegueroles Vallés, Josep R.; Alarcón Cot, Eduardo José; Camps Carmona, Adriano José; Sardà Ferrer, Joan; Consolación Segura, Carolina María; Mussons Sellés, Jaume; Pons Peregort, Olga (IEEE, 2011)
    Conference report
    Restricted access - publisher's policy
    En este trabajo se describe la asignatura "Introducción a la Ingeniería de las TIC" que, basándose en restricciones y especificaciones iniciales, ha sido concebida, diseñada e implementada en la ETSETB de la UPC. Es la ...
  • Implementation and first results of the Introduction to Engineering course in the ETSETB-UPC new degrees 

    Sayrol Clols, Elisa; Onrubia, Raúl; García, Miguel; Oliveras Vergés, Albert; Bragós Bardia, Ramon; Pergueroles, Josep; Alarcón Cot, Eduardo José; Camps Carmona, Adriano José; Sardà Ferrer, Joan; Consolación Segura, Carolina María; Mussons Sellés, Jaume; Pons Peregort, Olga (2011)
    Conference report
    Restricted access - publisher's policy
    This paper describes the new course "Introduction to ICT Engineering" which has been conceived, designed and implemented at Telecom-BCN (ETSETB-UPC) from initial specifications and restrictions. It is the first of a series ...
  • Learning to conceive, design, implement and operate circuits and systems 

    Alarcón Cot, Eduardo José; Bragós Bardia, Ramon; Sayrol Clols, Elisa (IEEE, 2011)
    Conference report
    Restricted access - publisher's policy
    The type of transversal competences and skills to be acquired by EE students is in open debate. It is argued in this paper that beyond core technical skills and soft skills, the competences of Conceiving, Designing, ...
  • Leishmaniasis parasite segmentation and classification using deep learning 

    Górriz, Marc; Aparicio, Albert; Raventós, Berta; Vilaplana Besler, Verónica; Sayrol Clols, Elisa; López Codina, Daniel (Springer, 2018)
    Conference lecture
    Restricted access - publisher's policy
    Leishmaniasis is considered a neglected disease that causes thousands of deaths annually in some tropical and subtropical countries. There are various techniques to diagnose leishmaniasis of which manual microscopy is ...
  • Morphological detection based on size and contrast criteria. Application to cells detection 

    Salembier Clairon, Philippe Jean; Gasull Llampallas, Antoni; Marqués Acosta, Fernando; Sayrol Clols, Elisa (. IEEE, 1992)
    Conference report
    Open Access
    This paper deals with a detection algorithm relying on size and contrast criteria. It is suitable for a large range of applications where a priori information about the size and the contrast of the objects to detect is ...
  • Motion estimation using higher-order statistics 

    Sayrol Clols, Elisa; Gasull Llampallas, Antoni; Rodríguez Fonollosa, Javier (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1996-06-30)
    Article
    Open Access
    The objective of this paper is to introduce a fourth-order cost function of the displaced frame difference (DFD) capable of estimating motion even for small regions or blocks. Using higher than second-order statistics ...
  • Motion estimation using higher-order statistics 

    Sayrol Clols, Elisa; Gasull Llampallas, Antoni; Rodríguez Fonollosa, Javier (1996-06)
    Article
    Open Access
    The objective of this paper is to introduce a fourth-order cost function of the displaced frame difference (DFD) capable of estimating motion even for small regions or blocks. Using higher than second-order statistics is ...
  • Multimedia copyright protection platform demonstrator 

    Soriano Ibáñez, Miguel; Fernández Muñoz, Marcel; Sayrol Clols, Elisa; Tomás Buliart, Joan; Casanellas, Joan; Pegueroles Vallés, Josep R.; Hernández Serrano, Juan (Springer, 2005)
    Conference report
    Restricted access - publisher's policy
    The work presented in this paper consists in the development of a portable platform to protect the copyright and distribution rights of digital contents, and empirically demonstrate the capacity of several marking and ...
  • Non-noticeable information embedding in color images: marking and detection 

    Vidal Manzano, José; Sayrol Clols, Elisa; Cabanillas, Silvia; Santamaria, Sonia (Institute of Electrical and Electronics Engineers (IEEE), 1999)
    Conference report
    Open Access
    One of the problems arising from the use of digital media is the ease of obtaining identical copies of digital images or audio files, allowing manipulation and unauthorized use. Copyright is an effective tool for preserving ...
  • Optimum Watermark Detection and Embedding in Digital Images 

    Vidal Manzano, José; Sayrol Clols, Elisa (Ping Wah Wong, Abeer Alwan, Antonio Ortega, C.-C. Jay Kuo, C.L. Max Nikias/ IEEE, 1998)
    Conference report
    Open Access
    This work concentrates on the problem of watermarking of still images using the luminance component, through the use of spread spectrum techniques, both in space (direct sequence spread spectrum or DSSS) and frequency ...
  • Optimum watermark detection in color images 

    Sayrol Clols, Elisa; Vidal Manzano, José; Cabanillas, Silvia; Santamaria, Sonia (Institute of Electrical and Electronics Engineers (IEEE), 1999)
    Conference report
    Open Access
    This work concentrates on the problem of watermarking embedding and optimum detection in color images through the use of spread spectrum techniques both in space (Direct Sequence Spread Spectrum or DSSS) and frequency ...