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  1. Article

    Open Access

    Motion-region annotation for complex videos via label propagation across occluders

    Motion cue is pivotal in moving object analysis, which is the root for motion segmentation and detection. These preprocessing tasks are building blocks for several applications such as recognition, matching an...

    Muhammad Habib Mahmood, Yago Diéz, Arnau Oliver… in Machine Vision and Applications (2022)

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  2. No Access

    Chapter and Conference Paper

    A Preliminary Study on Tree-Top Detection and Deep Learning Classification Using Drone Image Mosaics of Japanese Mixed Forests

    Tree counting and classification tasks in forestry are often addressed by costly, in terms of labour and money, field surveys carried on manually by forestry experts. Consequently, computer vision techniques h...

    Yago Diez, Sarah Kentsch… in Pattern Recognition Applications and Metho… (2020)

  3. No Access

    Article

    GridDS: a hybrid data structure for residue computation in point set matching

    Registration of 3D point clouds is a problem that arises in a variety of research areas such as computer vision, computer graphics and computational geometry. This situation causes most papers in the area to f...

    Ferran Roure, Xavier Lladó, Joaquim Salvi, Yago Diez in Machine Vision and Applications (2019)

  4. No Access

    Chapter and Conference Paper

    Hierarchical Hardware/Software Algorithm for Multi-view Object Reconstruction by 3D Point Clouds Matching

    The Matching or Registration of 3D point clouds is a problem that arises in a variety of research areas with applications ranging from heritage reconstruction to quality control of precision parts in industria...

    Ferran Roure, Xavier Lladó, Joaquim Salvi… in Computer Vision, Imaging and Computer Grap… (2019)

  5. No Access

    Chapter and Conference Paper

    Similarity Metrics for Intensity-Based Registration Using Breast Density Maps

    Intensity-based registration algorithms have been widely used in medical image applications. This type of registration algorithms uses an object function to compute a transformation and optimizes a measure of ...

    Eloy García, Arnau Oliver, Yago Diez, Oliver Diaz… in Pattern Recognition and Image Analysis (2017)

  6. No Access

    Article

    An efficient surface registration using smartphone

    Gathering 3D object information from the multiple spatial viewpoints typically brings up the problem of surface registration. More precisely, registration is used to fuse 3D data originally acquired from diffe...

    Tomislav Pribanić, Yago Diez, Ferran Roure… in Machine Vision and Applications (2016)

  7. No Access

    Chapter and Conference Paper

    A New Trajectory Based Motion Segmentation Benchmark Dataset (UdG-MS15)

    Motion segmentation (MS) is an essential step in video analysis. Its quantitative and qualitative evaluation is largely dependent on the dataset used for testing. Although there are publicly available datasets...

    Muhammad Habib Mahmood, Luca Zappella, Yago Díez… in Pattern Recognition and Image Analysis (2015)

  8. No Access

    Article

    Intensity Based Methods for Brain MRI Longitudinal Registration. A Study on Multiple Sclerosis Patients

    Registration is a key step in many automatic brain Magnetic Resonance Imaging (MRI) applications. In this work we focus on longitudinal registration of brain MRI for Multiple Sclerosis (MS) patients. First of ...

    Yago Diez, Arnau Oliver, Mariano Cabezas, Sergi Valverde, Robert Martí… in Neuroinformatics (2014)

  9. No Access

    Article

    A subtraction pipeline for automatic detection of new appearing multiple sclerosis lesions in longitudinal studies

    Time-series analysis of magnetic resonance images (MRI) is of great value for multiple sclerosis (MS) diagnosis and follow-up. In this paper, we present an unsupervised subtraction approach which incorporates ...

    Onur Ganiler, Arnau Oliver, Yago Diez, Jordi Freixenet, Joan C. Vilanova… in Neuroradiology (2014)

  10. No Access

    Chapter and Conference Paper

    Comparison of Methods for Current-to-Prior Registration of Breast DCE-MRI

    The use of prior studies to complement the information in Breast Dynamic Contrast-Enhanced Magnetic Resonance Imaging (DCE-MRI) can help to reduce the currently high false positive ratios. Registration is a fu...

    Yago Diez, Albert Gubern-Mérida, Lei Wang, Susanne Diekmann, Joan Martí… in Breast Imaging (2014)

  11. No Access

    Chapter and Conference Paper

    Detecting Abnormal Mammographic Cases in Temporal Studies Using Image Registration Features

    Image registration is increasingly being used to help radiologists when comparing temporal mammograms for lesion detection and classification. This paper evaluates the use of image and deformation features ext...

    Robert Martí, Yago Díez, Arnau Oliver, Meritxell Tortajada… in Breast Imaging (2014)

  12. No Access

    Chapter and Conference Paper

    Demons Methods for Digital Mammography Registration

    Image registration is regarded as an important tool for the analysis of temporal mammograms, specially for lesion detection. However, it has not been widely adopted due to the complexity of the problem and the...

    Yago Díez, Meritxell Tortajada, Sergi Ganau… in Pattern Recognition and Image Analysis (2013)

  13. No Access

    Chapter and Conference Paper

    Noisy Road Network Matching

    Let \(\mathcal{N}\) and \(\mathcal{M}\) be two...

    Yago Diez, Mario A. Lopez, J. Antoni Sellarès in Geographic Information Science (2008)

  14. No Access

    Chapter and Conference Paper

    Efficient Colored Point Set Matching Under Noise

    Let \(\mathcal{A}\) and \(\mathcal{B}\) be two...

    Yago Diez, J. Antoni Sellarès in Computational Science and Its Applications – ICCSA 2007 (2007)