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https://hdl.handle.net/10316/100875
Título: | Registration of Consecutive Frames From Wireless Capsule Endoscopy for 3D Motion Estimation | Autor: | Oliveira, Marina Araújo, Helder Figueiredo, Isabel N. Pinto, Luís Curto, Eva Perdigoto, Luís |
Palavras-chave: | Capsule movement; deep leaning; feature extraction; image-based localization; optical ow; wireless capsule endoscopy | Data: | 2021 | Projeto: | Project PTDC/EMD-EMD/28960/2017 FCT Ph.D. Scholarship 2020.06592 FCT Grant UIDB/0048/2020 UIDB/00324/2020 |
Título da revista, periódico, livro ou evento: | IEEE Access | Volume: | 9 | Resumo: | Wireless Capsule Endoscopy (WCE) is a non-invasive medical procedure devised for painless in vivo inspection of the gastrointestinal (GI) tract. It is especially valuable for the examination of the small intestine since it is dif cult to reach by traditional endoscopic procedures. The setup includes a camera with an embedded light source and a circuit capable of acquiring and transmitting the video. The main challenge of this technology is the identi cation of the position and trajectory of the capsule as it travels through the GI tract, which is particularly relevant during the detection of anomalies in the tissue. Given only the information provided by the recorded images, it is possible to estimate the 3D motion of the camera capsule and provide a full trajectory reconstruction. A critical yet dif cult step in this process is the image registration between sequential frames. Therefore, being able to determine accurate correspondences between points, regions or features in two consecutive frames is crucial for the computation of the relative rotation and translation of the capsule. This paper comprises a comparative assessment of methodologies to address this problem with a porcine colon dataset obtained with our experimental setup. | URI: | https://hdl.handle.net/10316/100875 | ISSN: | 2169-3536 | DOI: | 10.1109/ACCESS.2021.3108234 | Direitos: | openAccess |
Aparece nas coleções: | FCTUC Eng.Electrotécnica - Artigos em Revistas Internacionais I&D ISR - Artigos em Revistas Internacionais I&D CMUC - Artigos em Revistas Internacionais |
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Ficheiro | Descrição | Tamanho | Formato | |
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Registration_of_Consecutive_Frames_From_Wireless_Capsule_Endoscopy_for_3D_Motion_Estimation.pdf | 3.32 MB | Adobe PDF | Ver/Abrir |
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