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Author | Joan M. Nuñez | ||||
Title | Computer vision techniques for characterization of finger joints in X-ray image | Type | Report | ||
Year | 2011 | Publication | CVC Technical Report | Abbreviated Journal | |
Volume | 165 | Issue | Pages | ||
Keywords | Rheumatoid arthritis, X-ray, Sharp Van der Heijde, joint characterization, sclerosis detection, bone detection, edge, ridge | ||||
Abstract | Rheumatoid arthritis (RA) is an autoimmune inflammatory type of arthritis which mainly affects hands on its first stages. Though it is a chronic disease and there is no cure for it, treatments require an accurate assessment of illness evolution. Such assessment is based on evaluation of hand X-ray images by using one of the several available semi-quantitative methods. This task requires highly trained medical personnel. That is why the automation of the assessment would allow professionals to save time and effort. Two stages are involved in this task. Firstly, the joint detection, afterwards, the joint characterization. Unlike the little existing previous work, this contribution clearly separates those two stages and sets the foundations of a modular assessment system focusing on the characterization stage. A hand joint dataset is created and an accurate data analysis is achieved in order to identify relevant features. Since the sclerosis and the lower bone were decided to be the most important features, different computer vision techniques were used in order to develop a detector system for both of them. Joint space width measures are provided and their correlation with Sharp-Van der Heijde is verified | ||||
Address | Bellaterra (Barcelona) | ||||
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Computer Vision Center | Thesis | Master's thesis | ||
Publisher | Place of Publication | Editor | Dr. Fernando Vilariño and Dra. Debora Gil | ||
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Notes | MV;IAM; | Approved | no | ||
Call Number | IAM @ iam @ Nuñ2011 | Serial | 1795 | ||
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Author | Albert Andaluz | ||||
Title | Harmonic Phase Flow: User's guide | Type | Manual | ||
Year | 2012 | Publication | CVC | Abbreviated Journal | |
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Abstract | HPF is a plugin for the computation of clinical scores under Osirix.
This manual provides a basic guide for experienced clinical staff. Chapter 1 provides the theoretical background in which this plugin is based. Next, in chapter 2 we provide basic instructions for installing and uninstalling this plugin. chapter 3we shows a step-by-step scenario to compute clinical scores from tagged-MRI images with HPF. Finally, in chapter 4 we provide a quick guide for plugin developers |
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Address | Bellaterra, Barcelona (Spain) | ||||
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Computer Vision Center | Thesis | |||
Publisher | CVC | Place of Publication | Barcelona | Editor | |
Language | english | Summary Language | english | Original Title | |
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Notes | IAM | Approved | no | ||
Call Number | IAM @ iam @ And2012 | Serial | 1863 | ||
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Author | Hany Salah Eldeen | ||||
Title | Colour Naming in Context through a Perceptual Model | Type | Report | ||
Year | 2009 | Publication | CVC Technical Report | Abbreviated Journal | |
Volume | 130 | Issue | Pages | ||
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Computer Vision Center | Thesis | Master's thesis | ||
Publisher | Place of Publication | Bellaterra, Barcelona | Editor | ||
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Notes | Approved | no | |||
Call Number | Admin @ si @ Eld2009 | Serial | 2389 | ||
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Author | Naila Murray | ||||
Title | Perceptual Feature Detection | Type | Report | ||
Year | 2009 | Publication | CVC Technical Report | Abbreviated Journal | |
Volume | 131 | Issue | Pages | ||
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Computer Vision Center | Thesis | Master's thesis | ||
Publisher | Place of Publication | Bellaterra, Barcelona | Editor | ||
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Notes | CIC | Approved | no | ||
Call Number | Admin @ si @ Mur2009 | Serial | 2390 | ||
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Author | Josep M. Gonfaus | ||||
Title | Semantic Segmentation of Images Using Random Ferns | Type | Report | ||
Year | 2009 | Publication | CVC Technical Report | Abbreviated Journal | |
Volume | 132 | Issue | Pages | ||
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Computer Vision Center | Thesis | Master's thesis | ||
Publisher | Place of Publication | Bellaterra, Barcelona | Editor | ||
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Notes | ISE | Approved | no | ||
Call Number | Admin @ si @ Gon2009 | Serial | 2391 | ||
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Author | Alejandro Gonzalez Alzate | ||||
Title | Evaluation of spatiotemporal descriptors for pedestrian detection in video sequences | Type | Report | ||
Year | 2011 | Publication | CVC Technical Report | Abbreviated Journal | |
Volume | 166 | Issue | Pages | ||
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Address | Bellaterra (Spain) | ||||
Corporate Author ![]() |
Computer Vision Center | Thesis | Master's thesis | ||
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Notes | ADAS | Approved | no | ||
Call Number | Admin @ si @ Gon2011 | Serial | 1932 | ||
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Author | Yainuvis Socarras | ||||
Title | Image segmentation for improving pedestrian detection | Type | Report | ||
Year | 2011 | Publication | CVC Technical Report | Abbreviated Journal | |
Volume | 167 | Issue | Pages | ||
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Address | Bellaterra (Spain) | ||||
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Computer Vision Center | Thesis | Master's thesis | ||
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Notes | ADAS; | Approved | no | ||
Call Number | Admin @ si @ Soc2011 | Serial | 1933 | ||
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Author | Maria del Camp Davesa | ||||
Title | Human action categorization in image sequences | Type | Report | ||
Year | 2011 | Publication | CVC Technical Report | Abbreviated Journal | |
Volume | 169 | Issue | Pages | ||
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Address | Bellaterra (Spain) | ||||
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Computer Vision Center | Thesis | Master's thesis | ||
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Notes | CiC;CIC | Approved | no | ||
Call Number | Admin @ si @ Dav2011 | Serial | 1934 | ||
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Author | Monica Piñol | ||||
Title | Adaptative Vocabulary Tree for Image Classification using Reinforcement Learning | Type | Report | ||
Year | 2010 | Publication | CVC Technical Report | Abbreviated Journal | |
Volume | 162 | Issue | Pages | ||
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Address | Bellaterra (Barcelona) | ||||
Corporate Author ![]() |
Computer Vision Center | Thesis | Master's thesis | ||
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Notes | ADAS | Approved | no | ||
Call Number | Admin @ si @ Piñ2010 | Serial | 1936 | ||
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Author | Albert Gordo | ||||
Title | A Cyclic Page Layout Descriptor for Document Classification & Retrieval | Type | Report | ||
Year | 2009 | Publication | CVC Technical Report | Abbreviated Journal | |
Volume | 128 | Issue | Pages | ||
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Computer Vision Center | Thesis | Master's thesis | ||
Publisher | Place of Publication | Bellaterra, Barcelona | Editor | ||
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Notes | CIC;DAG | Approved | no | ||
Call Number | Admin @ si @ Gor2009 | Serial | 2387 | ||
Permanent link to this record | |||||
Author | Noha Elfiky | ||||
Title | Enhancing Local Binary Patterns with Spatial Pyramid Kernel: Application to Scene Classification | Type | Report | ||
Year | 2009 | Publication | CVC Technical Report | Abbreviated Journal | |
Volume | 129 | Issue | Pages | ||
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Corporate Author ![]() |
Computer Vision Center | Thesis | Master's thesis | ||
Publisher | Place of Publication | Bellaterra, Barcelona | Editor | ||
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Notes | ISE | Approved | no | ||
Call Number | Admin @ si @ Elf2009 | Serial | 2388 | ||
Permanent link to this record | |||||
Author | Onur Ferhat | ||||
Title | Eye-Tracking with Webcam-Based Setups: Implementation of a Real-Time System and an Analysis of Factors Affecting Performance | Type | Report | ||
Year | 2012 | Publication | CVC Technical Report | Abbreviated Journal | |
Volume | 172 | Issue | Pages | ||
Keywords | Computer vision, eye-tracking, gaussian process, feature selection, optical flow | ||||
Abstract | In the recent years commercial eye-tracking hardware has become more common, with the introduction of new models from several brands that have better performance and easier setup procedures. A cause and at the same time a result of this phenomenon is the popularity of eye-tracking research directed at marketing, accessibility and usability, among others.
One problem with these hardware components is scalability, because both the price and the necessary expertise to operate them makes it practically impossible in the large scale. In this work, we analyze the feasibility of a software eye-tracking system based on a single, ordinary webcam. Our aim is to discover the limits of such a system and to see whether it provides acceptable performances. The significance of this setup is that it is the most common setup found in consumer environments, off-the-shelf electronic devices such as laptops, mobile phones and tablet computers. As no special equipment such as infrared lights, mirrors or zoom lenses are used; setting up and calibrating the system is easier compared to other approaches using these components. Our work is based on the open source application Opengazer, which provides a good starting point for our contributions. We propose several improvements in order to push the system's performance further and make it feasible as a robust, real-time device. Then we carry out an elaborate experiment involving 18 human subjects and 4 different system setups. Finally, we give an analysis of the results and discuss the effects of setup changes, subject differences and modifications in the software. |
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Address | Bellaterra | ||||
Corporate Author ![]() |
Computer Vision Center | Thesis | Master's thesis | ||
Publisher | Place of Publication | Editor | Fernando Vilariño | ||
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Notes | MV | Approved | no | ||
Call Number | Admin @ si @ Fer2012; IAM @ iam @ Fer2012 | Serial | 2165 | ||
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Author | David Augusto Rojas | ||||
Title | Colouring Local Feature Detection for Matching | Type | Report | ||
Year | 2009 | Publication | CVC Technical Report | Abbreviated Journal | |
Volume | 133 | Issue | Pages | ||
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Corporate Author ![]() |
Computer Vision Center | Thesis | Master's thesis | ||
Publisher | Place of Publication | Bellaterra, Barcelona | Editor | ||
Language | Summary Language | Original Title | |||
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Notes | CIC | Approved | no | ||
Call Number | Admin @ si @ Roj2009 | Serial | 2392 | ||
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Author | Juan Diego Gomez | ||||
Title | Toward Robust Myocardial Blush Grade Estimation in Contrast Angiography | Type | Report | ||
Year | 2009 | Publication | CVC Technical Report | Abbreviated Journal | |
Volume | 134 | Issue | Pages | ||
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Corporate Author ![]() |
Computer Vision Center | Thesis | Master's thesis | ||
Publisher | Place of Publication | Bellaterra, Barcelona | Editor | ||
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Notes | MILAB | Approved | no | ||
Call Number | Admin @ si @ Gom2009 | Serial | 2393 | ||
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Author | Olivier Penacchio | ||||
Title | Relative Density of L, M, S photoreceptors in the Human Retina | Type | Report | ||
Year | 2009 | Publication | CVC Technical Report | Abbreviated Journal | |
Volume | 135 | Issue | Pages | ||
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Corporate Author ![]() |
Computer Vision Center | Thesis | Master's thesis | ||
Publisher | Place of Publication | Bellaterra, Barcelona | Editor | ||
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Notes | CIC | Approved | no | ||
Call Number | Admin @ si @ Pen2009 | Serial | 2394 | ||
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