Now showing items 1-20 of 378

    • 3D Bounding box detection from monocular images 

      Catà Villà, Marcel (Universitat Politècnica de Catalunya, 2019-05-08)
      Master thesis
      Open Access
      Object detection is particularly important in robotic applications that require interaction with the environment. Although 2D object detection methods obtain accurate results, these are not enough to provide a complete ...
    • 3D Face and object reconstruction for mobile applications 

      Irurueta Carro, Alberto (Universitat Politècnica de Catalunya, 2010-07-10)
      Master thesis
      Open Access
      Covenantee:   Visual Engineering
      This work is part of project “Mobbio” developed at Visual Engineering within the R&D labs. As will be seen throughout the document, the results obtained with the 3D reconstruction technologies that have developed, not only ...
    • 3D hand reconstruction from RGB-D/RGB video frames in real-time 

      Toda Mas, Aleix (Universitat Politècnica de Catalunya, 2019-04-30)
      Master thesis
      Open Access
      Covenantee:   École polytechnique fédérale de Lausanne
      We present a pipeline able to extract 3D real-world measurements from RGB-D images with high accuracy in real-time. A new method bottom-up multi-person for hand-body pose detection evolved from OpenPifPaf has been presented. ...
    • 3D human action recognition in multiple view scenarios 

      Canton Ferrer, Cristian; Casas Pla, Josep Ramon; Pardàs Feliu, Montse; Sargin, M E; Tekalp, A M (Universitat Politècnica de Catalunya (UPC), 2006)
      Conference report
      Open Access
      This paper presents a novel view-independent approach to the recognition of human gestures of several people in low resolution sequences from multiple calibrated cameras. In contraposition with other multi-ocular ...
    • 3D modelling of leaves from color and ToF data for robotized plant measuring 

      Alenyà Ribas, Guillem; Dellen, Babette; Torras, Carme (2011)
      Conference report
      Restricted access - publisher's policy
      Supervision of long-lasting extensive botanic experiments is a promising robotic application that some recent technological advances have made feasible. Plant modelling for this application has strong demands, particularly ...
    • 3D reconstruction of underwater structures 

      Beall, Chris; Lawrence, Brian J.; Ila, Viorela Simona; Dellaert, Frank (2010)
      Conference report
      Open Access
      Environmental change is a growing international concern, calling for the regular monitoring, studying and preserving of detailed information about the evolution of underwater ecosystems. For example, fragile coral reefs ...
    • 3D Reconstruction of vegetation from orthophotos 

      Comino Trinidad, Marc (Universitat Politècnica de Catalunya, 2013-06-21)
      Bachelor thesis
      Open Access
      [CATALÀ] Mitjançant tècniques de Visió per Computador som capaços de detectar i classificar la flora present en una ortofoto. A partir d'aquesta informació, i d'un conjunt de models de plantes en 3D que generem, elaborem ...
    • 3D scene reconstruction and understanding from single shot pictures 

      García González, Alfredo (Universitat Politècnica de Catalunya, 2012-09)
      Master thesis
      Open Access
      Augmented reality mixes computer generated graphics with real imaging using computer vision techniques. However, nowadays, augmented reality is still a very young field of research, and its applications usually involve ...
    • 3D shape from multi-camera views by error projection minimization 

      Haro, Gloria; Pardàs Feliu, Montse (2010)
      Conference report
      Open Access
      Traditional shape from silhouette methods compute the 3D shape as the intersection of the back-projected silhouettes in the 3D space, the so called visual hull. However, silhouettes that have been obtained with background ...
    • 4D Cardiac MRI Segmentation and Surface Reconstruction 

      Pons Moll, Gerard (Universitat Politècnica de Catalunya, 2008-10-10)
      Master thesis (pre-Bologna period)
      Open Access
    • A 3D System for training in endoscopical repair of subcondylar fractures of the mandible 

      Hueto, Joan A.; Díaz, José; Monclús Lahoya, Eva; Navazo Álvaro, Isabel; Vázquez Alcocer, Pere Pau; Raspall, G. (Springer Verlag, 2008)
      Article
      Open Access
      Poster Session: 12th Annual Conference of Iscas. Conventional treatment of the subcondylar fractures of the mandible is challenging because of the medial and anterior displacement of the condylar fragment and the limited ...
    • A Comprehensive survey on deep future frame video prediction 

      Selva Castelló, Javier (Universitat Politècnica de Catalunya, 2018-01-25)
      Master thesis
      Open Access
      Covenantee:   Universitat de Barcelona
      El present projecte planteja l'estudi comprensiu i extens per a la tasca de predicció de fotogrames donada una seqüència de vídeo. Mitjançant l'anàlisi de l'estat de l'art en generació d'imatges, xarxes convolucionals i ...
    • A hierarchical architecture to multiple target tracking 

      Rowe, Daniel; Huerta Casado, Iván; Perdersoli, Marco; Guinea, Soledad; Gonzàlez, Jordi; Villanueva, Juan J. (s. n., 2007)
      Conference report
      Open Access
      This work presents an architecture based on a modular and hierarchically-organised system to perform Multiple-Target Tracking (MTT). A set of co-operating modules, which work following both bottom-up and top-down paradigms, ...
    • A Learning from demonstration approach for robot trajectories through motion-sensing human demonstrations 

      Poc López, Ángel (Universitat Politècnica de Catalunya, 2020-04-20)
      Master thesis
      Open Access
      The objective of this thesis is to teach a Baxter robot to learn certain arm trajectories. The robot must be capable of generalizing the primitive movement of the trajectory to new unseen poses. The thesis is framed ...
    • A new graph matching method for point-set correspondence using the EM algorithm and Softassign 

      Sanromà Güell, Gerard; Alquézar Mancho, René; Serratosa Casanelles, Francesc (2012)
      Article
      Restricted access - publisher's policy
      Finding correspondences between two point-sets is a common step in many vision applications (e.g., image matching or shape retrieval). We present a graph matching method to solve the point-set correspondence problem, which ...
    • A simple method of multiple camera calibration for the joint top view projection 

      Mozerov, Mikhail; Amato, Ariel; Al, Murad; Gonzàlez, Jordi (Springer, 2007)
      Part of book or chapter of book
      Open Access
      A simple method for multiple camera calibration based on a novel geometric derivation is presented. The main advantage of this method is that it uses only three points in the world coordinate system to achieve the calibration. ...
    • A survey on model based approaches for 2D and 3D visual human pose recovery 

      Perez Sala, Xavier; Escalera, Sergio; Angulo Bahón, Cecilio; Gonzàlez, Jordi (2014-03-03)
      Article
      Open Access
      Human Pose Recovery has been studied in the field of Computer Vision for the last 40 years. Several approaches have been reported, and significant improvements have been obtained in both data representation and model design. ...
    • Action recognition using the Rf Transform on optical flow images 

      Carmona Leyva, José María; Climent Vilaró, Joan (SCITEPRESS, 2017)
      Conference report
      Open Access
      The objective of this paper is the automatic recognition of human actions in video sequences. The use of spatio-temporal features for action recognition has become very popular in recent literature Instead of extracting ...
    • Action selection for robotic manipulation of deformable objects 

      Cuén Rochín, Saúl; Andrade-Cetto, Juan; Torras, Carme (ESF-JSPS, 2008)
      Conference report
      Open Access
      This paper deals with the manipulation of planar deformable objects for typical service robot applications. Specifically, we present a system that straightens pieces of cloth from any arbitrary initial wrinkle condition ...
    • Action selection for single-camera SLAM 

      Vidal Calleja, Teresa; Sanfeliu Cortés, Alberto; Andrade-Cetto, Juan (2010)
      Article
      Open Access
      A method for evaluating, at video rate, the quality of actions for a single camera while mapping unknown indoor environments is presented. The strategy maximizes mutual information between measurements and states to help ...