Intestinal content detection in capsule endoscopy using robust features
Reingruber, Harald
Vilariño Freire, Fernando
Universitat Autònoma de Barcelona. Escola Tècnica Superior d'Enginyeria
Universitat Autònoma de Barcelona. Escola d'Enginyeria

Data: 2009
Descripció: 44 p.
Resum: This work covers two aspects. First, it generally compares and summarizes the similarities and differences of state of the art feature detector and descriptor and second it presents a novel approach of detecting intestinal content (in particular bubbles) in capsule endoscopy images. Feature detectors and descriptors providing invariance to change of perspective, scale, signal-noise-ratio and lighting conditions are important and interesting topics in current research and the number of possible applications seems to be numberless. After analysing a selection of in the literature presented approaches, this work investigates in their suitability for applications information extraction in capsule endoscopy images. Eventually, a very good performing detector of intestinal content in capsule endoscopy images is presented. A accurate detection of intestinal content is crucial for all kinds of machine learning approaches and other analysis on capsule endoscopy studies because they occlude the field of view of the capsule camera and therefore those frames need to be excluded from analysis. As a so called "byproduct" of this investigation a graphical user interface supported Feature Analysis Tool is presented to execute and compare the discussed feature detectors and descriptor on arbitrary images, with configurable parameters and visualized their output. As well the presented bubble classifier is part of this tool and if a ground truth is available (or can also be generated using this tool) a detailed visualization of the validation result will be performed.
Resum: Nota: Aquest document conté originàriament altre material i/o programari només consultable a la Biblioteca de Ciència i Tecnologia.
Drets: Aquest document està subjecte a una llicència d'ús de Creative Commons, amb la qual es permet copiar, distribuir i comunicar públicament l'obra sempre que se'n citin l'autor original, la universitat i l'escola i no se'n faci cap ús comercial ni obra derivada, tal com queda estipulat en la llicència d'ús Creative Commons
Llengua: Anglès
Titulació: Enginyeria Informàtica / Computer Engineering [4314660]
Col·lecció: Escola d'Enginyeria. Projectes i treballs de final de carrera. Enginyeria Informàtica
Document: bachelorThesis
Matèria: Imatges ; Processament ; Tècniques digitals ; Aparell digestiu ; Endoscòpia ; Processament de dades

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44 p, 2.5 MB

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