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David Guillamet; Jordi Vitria; B. Shiele |
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Introducing a weighted non-negative matrix factorization for image classification |
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2003 |
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Pattern Recognition Letters |
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PRL |
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24 |
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14 |
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2447–2454 |
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IF: 0.809 |
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OR;MV |
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BCNPCL @ bcnpcl @ GVS2003 |
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382 |
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Author |
David Guillamet; Jordi Vitria |
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Title |
Evaluation of distance metrics for recognition based on non-negative matrix factorization |
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Journal Article |
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2003 |
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Pattern Recognition Letters |
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PRL |
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24 |
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9-10 |
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1599 –1605 |
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IF: 0.809 |
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OR;MV |
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BCNPCL @ bcnpcl @ GuV2003b |
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380 |
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Author |
D. Seron; F. Moreso; C. Gratin; Jordi Vitria; E. Condom |
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Title |
Automated classification of renal interstitium and tubules by local texture analysis and a neural network |
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1996 |
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Analytical and Quantitative Cytology and Histology |
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18 |
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5 |
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410-9, PMID: 8908314 |
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OR;MV |
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BCNPCL @ bcnpcl @ SMG1996 |
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76 |
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Cristina Sanchez Montes; Jorge Bernal; Ana Garcia Rodriguez; Henry Cordova; Gloria Fernandez Esparrach |
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Title |
Revisión de métodos computacionales de detección y clasificación de pólipos en imagen de colonoscopia |
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2020 |
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Gastroenterología y Hepatología |
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GH |
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43 |
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4 |
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222-232 |
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Computer-aided diagnosis (CAD) is a tool with great potential to help endoscopists in the tasks of detecting and histologically classifying colorectal polyps. In recent years, different technologies have been described and their potential utility has been increasingly evidenced, which has generated great expectations among scientific societies. However, most of these works are retrospective and use images of different quality and characteristics which are analysed off line. This review aims to familiarise gastroenterologists with computational methods and the particularities of endoscopic imaging, which have an impact on image processing analysis. Finally, the publicly available image databases, needed to compare and confirm the results obtained with different methods, are presented. |
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MV; |
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Admin @ si @ SBG2020 |
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3404 |
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Cristina Sanchez Montes; F. Javier Sanchez; Jorge Bernal; Henry Cordova; Maria Lopez Ceron; Miriam Cuatrecasas; Cristina Rodriguez de Miguel; Ana Garcia Rodriguez; Rodrigo Garces Duran; Maria Pellise; Josep Llach; Gloria Fernandez Esparrach |
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Title |
Computer-aided Prediction of Polyp Histology on White-Light Colonoscopy using Surface Pattern Analysis |
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2019 |
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Endoscopy |
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END |
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51 |
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3 |
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261-265 |
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Background and study aims: To evaluate a new computational histology prediction system based on colorectal polyp textural surface patterns using high definition white light images.
Patients and methods: Textural elements (textons) were characterized according to their contrast with respect to the surface, shape and number of bifurcations, assuming that dysplastic polyps are associated with highly contrasted, large tubular patterns with some degree of bifurcation. Computer-aided diagnosis (CAD) was compared with pathological diagnosis and the diagnosis by the endoscopists using Kudo and NICE classification.
Results: Images of 225 polyps were evaluated (142 dysplastic and 83 non-dysplastic). CAD system correctly classified 205 (91.1%) polyps, 131/142 (92.3%) dysplastic and 74/83 (89.2%) non-dysplastic. For the subgroup of 100 diminutive (<5 mm) polyps, CAD correctly classified 87 (87%) polyps, 43/50 (86%) dysplastic and 44/50 (88%) non-dysplastic. There were not statistically significant differences in polyp histology prediction based on CAD system and on endoscopist assessment.
Conclusion: A computer vision system based on the characterization of the polyp surface in the white light accurately predicts colorectal polyp histology. |
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MV; 600.096; 600.119; 600.075 |
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Admin @ si @ SSB2019 |
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3164 |
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