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  1. No Access

    Article

    Robust detection and ordering of ellipses on a calibration pattern

    The aim of this work is to accurately estimate from an image the parameters of some ellipses and their relative positions with respect to a given pattern. The process is characterized because it is fully autom...

    L. Alvarez, A. Salgado, J. Sánchez in Pattern Recognition and Image Analysis (2007)

  2. No Access

    Chapter and Conference Paper

    3D Motion Estimation Using a Combination of Correlation and Variational Methods for PIV

    Estimation of motion has many applications in fluid analysis. Lots of work has been carried out using Particle Image Velocimetry to design experiments which capture and measure the flow motion using 2D images....

    L. Alvarez, C. A. Castaño, M. García… in Computer Aided Systems Theory – EUROCAST 2… (2007)

  3. No Access

    Chapter and Conference Paper

    Second Order Variational Optic Flow Estimation

    In this paper we present a variational approach to accurately estimate the motion vector field in a image sequence introducing a second order Taylor expansion of the flow in the energy function to be minimized...

    L. Alvarez, C. A. Castaño, M. García… in Computer Aided Systems Theory – EUROCAST 2… (2007)

  4. No Access

    Chapter and Conference Paper

    Symmetric Optical Flow

    One of the main technique used to recover motion analysis from two images or to register them is variational optical flow, where the pixels of one image are matched to the pixels of the second image by minimiz...

    L. Alvarez, C. A. Castaño, M. García… in Computer Aided Systems Theory – EUROCAST 2… (2007)

  5. No Access

    Chapter and Conference Paper

    3D Geometry Reconstruction from a Stereoscopic Video Sequence

    The aim of this work is to propose a method for recovering the 3D geometry of a video sequence taken from a pair of stereo cameras. The cameras are rigidly situated in a fixed position and there are some objec...

    A. Salgado, J. Sánchez in Image Analysis and Recognition (2005)