Exploració per tema "Visió per ordinador"

Ara es mostren els items 1-20 de 571

    • 3D Bounding box detection from monocular images 

      Catà Villà, Marcel (Universitat Politècnica de Catalunya, 2019-05-08)
      Projecte Final de Màster Oficial
      Accés obert
      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)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   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)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   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)
      Text en actes de congrés
      Accés obert
      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 Indoor Scene Generation & Manipulation from 2D Images 

      Benitez Marin, Javier Daniel (Universitat Politècnica de Catalunya, 2022-07-04)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
      Scene reconstruction is the process of reconstructing a digital version of a real world object or environment from pictures or scans of the object. Over the last years, we have experienced growing interest for this task ...

    • 3D modelling of leaves from color and ToF data for robotized plant measuring 

      Alenyà Ribas, Guillem; Dellen, Babette; Torras, Carme (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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)
      Text en actes de congrés
      Accés obert
      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)
      Treball Final de Grau
      Accés obert
      [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)
      Projecte Final de Màster Oficial
      Accés obert
      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)
      Text en actes de congrés
      Accés obert
      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)
      Projecte/Treball Final de Carrera
      Accés obert

    • 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
      Accés obert
      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 beta version of an application based on computer vision for the assessment of knee valgus angle: a validity and reliability study 

      Ceballos Laita, Luis; Marimon Serra, Xavier; Masip Álvarez, Albert; Cabanillas Barea, Sara; Jiménez del Barrio, Sandra; Carrasco Uribarren, Andoni (2023-04-28)
      Article
      Accés obert
      Background: In handball, the kinematics of the frontal plane seem to be one of the most important factors for the development of lower limb injuries. The knee valgus angle is a fundamental axis for injury prevention and ...

    • A Comprehensive survey on deep future frame video prediction 

      Selva Castelló, Javier (Universitat Politècnica de Catalunya, 2018-01-25)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   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 computer vision-based application for the assessment of head posture: A validation and reliability study 

      Carrasco Uribarren, Andoni; Marimon Serra, Xavier; Dantony, Flora; Cabanillas Barea, Sara; Portela Otaño, Alejandro; Ceballos Laita, Luis; Massip Álvarez, Sergio (2023-03-01)
      Article
      Accés obert
      As its name implies, the forward head position (FHP) is when the head is further forward of the trunk than normal. This can cause neck and shoulder tension, as well as headaches. The craniovertebral angle (CVA) measured ...

    • A confusion matrix for evaluating feature attribution methods 

      Arias Duart, Anna; Mariotti, Ettore; Garcia Gasulla, Dario; Alonso Moral, Jose Maria (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Comunicació de congrés
      Accés obert
      The increasing use of deep learning models in critical areas of computer vision and the consequent need for insights into model behaviour have led to the development of numerous feature attribution methods. However, these ...

    • A hierarchical architecture to multiple target tracking 

      Rowe, Daniel; Huerta Casado, Iván; Perdersoli, Marco; Guinea, Soledad; Gonzàlez, Jordi; Villanueva, Juan J. (s. n., 2007)
      Text en actes de congrés
      Accés obert
      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)
      Projecte Final de Màster Oficial
      Accés obert
      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
      Accés restringit per política de l'editorial
      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 Preliminary study of deep learning sensor fusion for pedestrian detection 

      Chávez Plascencia, Alfredo; García Gómez, Pablo; Bernal Pérez, Eduard; Mas Giménez, Gerard de; Casas Pla, Josep Ramon; Royo Royo, Santiago (Multidisciplinary Digital Publishing Institute (MDPI), 2023-04)
      Article
      Accés obert
      Most pedestrian detection methods focus on bounding boxes based on fusing RGB with lidar. These methods do not relate to how the human eye perceives objects in the real world. Furthermore, lidar and vision can have difficulty ...