Browsing by Subject "Imatges -- Segmentació"
Now showing items 1-20 of 43
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3D hierarchical optimization for multi-view depth map coding
(2017-11-28)
Article
Open AccessDepth data has a widespread use since the popularity of high resolution 3D sensors. In multi-view sequences, depth information is used to supplement the color data of each view. This article proposes a joint encoding of ... -
Advanced interaction techniques for medical models
(Universitat Politècnica de Catalunya, 2014-07-15)
Doctoral thesis
Open AccessAdvances in Medical Visualization allows the analysis of anatomical structures with the use of 3D models reconstructed from a stack of intensity-based images acquired through different techniques, being Computerized ... -
Assessment of crowdsourcing and gamification loss in user-assisted object segmentation
(2015-09-12)
Article
Open AccessThere has been a growing interest in applying human computation – particularly crowdsourcing techniques – to assist in the solution of multimedia, image processing, and computer vision problems which are still too difficult ... -
Binary partition tree as a polarimetric SAR data representation in the space-time domain
(IEEE, 2011)
Conference lecture
Restricted access - publisher's policyThe aim of this paper is to present a Polarimetric Synthetic Aperture Radar data processing technique on the space-time domain. This approach is based on a Binary Partition Tree (BPT), which is a region-based and multi-scale ... -
Cage active contours: Extension to color spaces and application to image morphing
(Universitat Politècnica de Catalunya, 2015-10-23)
Master thesis
Open AccessThe main purpose of this master thesis is to enhance the performance of Cage Active Contours (CAC) in the context of color image object segmentation as well as provide a theoretical framework on which to justify the potential ... -
Co-filtering human interaction and object segmentation
(Universitat Politècnica de Catalunya, 2015-02-17)
Bachelor thesis
Open Access
Covenantee: Institut national polytechnique de Toulouse[ANGLÈS] For so many years the problem of object segmentation have been present in image processing field. Click'n'Cut, an already existing web tool for interactive object segmentation, helps us to obtain segmentations of ... -
Cost-effective active learning for melanoma segmentation
(2017)
Conference lecture
Open AccessWe propose a novel Active Learning framework capable to train effectively a convolutional neural network for semantic segmentation of medical imaging, with a limited amount of training labeled data. Our contribution is a ... -
Detection-aided liver lesion segmentation using deep learning
(2017)
Conference lecture
Open AccessA fully automatic technique for segmenting the liver and localizing its unhealthy tissues is a convenient tool in order to diagnose hepatic diseases and assess the response to the according treatments. In this work we ... -
Disparity Estimation using a Color Segmentation
(Universitat Politècnica de Catalunya, 2009-09)
Master thesis
Open AccessThis thesis work is mainly motivated to solve the stereo correspondence problem. As solving the correspondence problem could result a precise disparity map allowing the interpolation of intermediate views in 3DTV, the ... -
Distributed partitioning algorithm with application to video-surveillance
(Universitat Politècnica de Catalunya / Università degli Studi di Padova, 2014)
Bachelor thesis
Open AccessHow many times have we wanted to control an area and the video-surveillance system does not have the appropriate properties? Nowadays, the video-surveillance has become a responsibility by the necessity to patrol a ... -
Eina per la segmentació intel·ligent d'imatges de patrimoni cultural
(Universitat Politècnica de Catalunya, 2022-06-28)
Bachelor thesis
Open AccessLa restauració virtual de pintures murals encadena molts processos complexos que van des de l'obtenció d'una imatge en format virtual fins a la reconstrucció final del mural. De tots els passos necessaris, la segmentació ... -
Evaluation of pediatric brain tissue segmentation from MRI using a clustering method
(Universitat Politècnica de Catalunya, 2019-10-31)
Bachelor thesis
Open Access
Covenantee: Politecnico di TorinoImage segmentation in medical images such as magnetic resonances (MR) is extremely important for faster and more reliable diagnoses. Since nowadays most segmentation systems are manual, new automatic methods are being ... -
FAU-Net: an attention U-Net extension with feature pyramid attention for prostate cancer segmentation
(Association for Computing Machinery (ACM), 2023)
Conference report
Open AccessThis contribution presents a deep learning method for the segmentation of prostate zones in MRI images based on U-Net using additive and feature pyramid attention modules, which can improve the workflow of prostate cancer ... -
Head pose estimation from 2D/3D images
(Universitat Politècnica de Catalunya / Université de Liège, 2014)
Master thesis (pre-Bologna period)
Open AccessThe purpose of the current work is to develop, test and compare different methods for the detection of the angles of the head. To achieve good head estimation this project has been divided in two stages. In the first ... -
Hierarchical object detection with deep reinforcement learning
(2016)
Conference lecture
Open AccessWe present a method for performing hierarchical object detection in images guided by a deep reinforcement learning agent. The key idea is to focus on those parts of the image that contain richer information and zoom on ... -
Hierarchical stack filtering: a bitplane-based algorithm for massively parallel processors
(2019-10)
Article
Open AccessWith the development of novel parallel architectures for image processing, the implementation of well-known image operators needs to be reformulated to take advantage of the so-called massive parallelism. In this work, we ... -
Image Segmentation using Dictionary Learning
(Universitat Politècnica de Catalunya, 2014-12-22)
Master thesis (pre-Bologna period)
Open Access
Covenantee: Technische Universität München[ANGLÈS] In image segmentation, we are often interested in capturing certain characteristics of objects of interests, and perform the classification based on criteria such as mean intensity, gradient magnitude, and responses ... -
Implementació i millores de l'algorisme de Texture Bombing
(Universitat Politècnica de Catalunya, 2016-04-26)
Bachelor thesis
Open AccessTexture bombing és una tècnica molt bona però com tantes altres també té les seves debilitats, tals com la falta de diversitat o la falta de mipmapping. En aquest projecte s'implementa la solució al primer problema, la ... -
Improving object segmentation by using EEG signals and rapid serial visual presentation
(2015-07-31)
Article
Open AccessThis paper extends our previous work on the potential of EEG-based brain computer interfaces to segment salient objects in images. The proposed system analyzes the Event Related Potentials (ERP) generated by the rapid ... -
Is a “happy dog” more “happy” than “dog”? - Adjective and Noun Contributions for Adjective-Noun Pair prediction
(2016)
Conference lecture
Open Access
