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1. Online 3D reconstruction and dense tracking in endoscopic videos

Author

Hayoz, Michel, Hahne, Christopher, Kurmann, Thomas, Allan, Max, Beldi, Guido, Candinas, Daniel, Márquez-Neila, ablo, and Sznitman, Raphael

Subjects
Computer Science - Computer Vision and Pattern Recognition
Abstract

3D scene reconstruction from stereo endoscopic video data is crucial for advancing surgical interventions. In this work, we present an online framework for online, dense 3D scene reconstruction and tracking, aimed at enhancing surgical scene understanding and assisting interventions. Our method dynamically extends a canonical scene representation using Gaussian splatting, while modeling tissue deformations through a sparse set of control points. We introduce an efficient online fitting algorithm that optimizes the scene parameters, enabling consistent tracking and accurate reconstruction. Through experiments on the StereoMIS dataset, we demonstrate the effectiveness of our approach, outperforming state-of-the-art tracking methods and achieving comparable performance to offline reconstruction techniques. Our work enables various downstream applications thus contributing to advancing the capabilities of surgical assistance systems.

Published
2024

5. Learning How To Robustly Estimate Camera Pose in Endoscopic Videos

Author

Hayoz, Michel, Hahne, Christopher, Gallardo, Mathias, Candinas, Daniel, Kurmann, Thomas, Allan, Maximilian, and Sznitman, Raphael

Subjects
Computer Science - Computer Vision and Pattern Recognition
Abstract

Purpose: Surgical scene understanding plays a critical role in the technology stack of tomorrow's intervention-assisting systems in endoscopic surgeries. For this, tracking the endoscope pose is a key component, but remains challenging due to illumination conditions, deforming tissues and the breathing motion of organs. Method: We propose a solution for stereo endoscopes that estimates depth and optical flow to minimize two geometric losses for camera pose estimation. Most importantly, we introduce two learned adaptive per-pixel weight mappings that balance contributions according to the input image content. To do so, we train a Deep Declarative Network to take advantage of the expressiveness of deep-learning and the robustness of a novel geometric-based optimization approach. We validate our approach on the publicly available SCARED dataset and introduce a new in-vivo dataset, StereoMIS, which includes a wider spectrum of typically observed surgical settings. Results: Our method outperforms state-of-the-art methods on average and more importantly, in difficult scenarios where tissue deformations and breathing motion are visible. We observed that our proposed weight mappings attenuate the contribution of pixels on ambiguous regions of the images, such as deforming tissues. Conclusion: We demonstrate the effectiveness of our solution to robustly estimate the camera pose in challenging endoscopic surgical scenes. Our contributions can be used to improve related tasks like simultaneous localization and mapping (SLAM) or 3D reconstruction, therefore advancing surgical scene understanding in minimally-invasive surgery., Comment: Accepted at IPCAI 2023

Published
2023

8. Type of calcineurin inhibitor and long-term outcomes following liver transplantation in patients with primary biliary cholangitis – an ELTR study

Author

Mirza, Darius, Heneghan, Michael, Lodge, Peter, Oniscu, Gabriel, Thorburn, Douglas, Allison, Michael, Pratschke, Johann, Manas, Derek, Bennet, William, Line, Pal-Dag, Hot, Emir, Zieniewicz, Krzysztof, Ericzon, Bo Goran, Fronek, Jiri, Klempnauer, Jurgen L., Rasmussen, Allan, Romagnoli, Renato, Nemec, Petr, Nordin, Arno, Paul, Andreas, De Simone, Paolo, Porte, R.J., Berlakovich, Gabriela, Cherqui, Daniel, Pirenne, Jacques, Sokal, Etienne, Rossi, Giorgio, Candinas, Daniel, Bachellier, Philippe, Rummo, Oleg, Boudjema, Karim, Mrzljak, Anna, Soubrane, Olivier, Metselaar, Herold, Schneeberger, Stefan, Navarro, Francis, Berney, Thierry, Duvoux, Christophe, Colledan, Michele, De Carlis, Luciano, Boillot, Olivier, Hardwigsen, Jean, Pruvot, Francois Rene, Suc, Bertrand, Vivarelli, Marco, Clavien, Pierre Alain, Lang, Hauke, Kosieradzki, Maciej, Berrevoet, Frederik, Heyd, Bruno, Cescon, Matteo, Chiche, Laurence, Kochs, Eberhard, Baccarani, Umberto, Detry, Olivier, Bartels, Michael, Rossi, Massimo, Scatton, Olivier, Papanikolaou, Vasileios, Alwayn, Ian, Schemmer, Peter, Senninger, N., Ducerf, Christian, Di Benedetto, Fabrizio, Tisone, Giuseppe, Nadalin, Silvio, Mathe, Zoltan, Ribnikar, Marija, Settmacher, Utz, Becker, Thomas, Silva, Nuno, Daniel, Jorge, Popescu, Irinel, Lucidi, Valerio, Bechstein, Wolf O., Decaens, Thomas, Gugenheim, Jean, Gruttadauria, Salvatore, Zamboni, Frausto, Zeytunlu, Murat, Kalff, Jorg C., Vali, Toomas, Tokat, Yaman, Klar, Ernst, Janek, Julius, Kilic, Murat, Katzarov, Krum, Fisher, Lutz, Buc, Emmanuel, Castagneto, Marco, Unek, Tarkan, Spassov, Lubomir, Stippel, Dirk, Bruns, Christiane, Schlitt, Hans, Salame, Ephrem, Kalicinski, Piotr, Acarli, Koray, van Hooff, Maria C., de Veer, Rozanne C., Karam, Vincent, Adam, Rene, Taimr, Pavel, Polak, Wojciech G., Pashtoun, Hasina, Murad, Sarwa Darwish, Corpechot, Christophe, Oniscu, Gabriel C., Metselaar, Herold J., den Hoed, Caroline M., and van der Meer, Adriaan J.

Published
2024
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17. ILC3s restrict the dissemination of intestinal bacteria to safeguard liver regeneration after surgery

Author

Jakob, Manuel O., Spari, Daniel, Sànchez Taltavull, Daniel, Salm, Lilian, Yilmaz, Bahtiyar, Doucet Ladevèze, Rémi, Mooser, Catherine, Pereyra, David, Ouyang, Ye, Schmidt, Theresa, Mattiola, Irene, Starlinger, Patrick, Stroka, Deborah, Tschan, Franziska, Candinas, Daniel, Gasteiger, Georg, Klose, Christoph S.N., Diefenbach, Andreas, Gomez de Agüero, Mercedes, and Beldi, Guido

Published
2023
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18. SAT-019 Recipient donor sex constellation differences in outcome after liver transplantation for hepatocellular carcinoma-an ELTR study

Author

Magyar, Christian, primary, Arteaga, Noah, additional, Germani, Giacomo, additional, Karam, Vincent, additional, Adam, René, additional, Christen, Lucienne, additional, Storni, Federico, additional, Kim-Fuchs, Corina, additional, Lachenmayer, Anja, additional, Beldi, Guido, additional, Candinas, Daniel, additional, Radu, Pompilia, additional, Schwacha-Eipper, Birgit, additional, Berzigotti, Annalisa, additional, Banz, Vanessa, additional, and (ELITA), for the European Liver and Intestine Transplant Association, additional

Published
2024
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22. Recipient donor sex combinations in solid organ transplantation and impact on clinical outcome: A scoping review

Author

Magyar, Christian Tibor Josef, primary, Gretener, Charlene Pierrine, additional, Baldi, Patricia, additional, Storni, Federico, additional, Kim‐Fuchs, Corina, additional, Candinas, Daniel, additional, Berzigotti, Annalisa, additional, Knecht, Matthias, additional, Beldi, Guido, additional, Hirzel, Cédric, additional, Sidler, Daniel, additional, Reineke, David, additional, and Banz, Vanessa, additional

Published
2024
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23. Type of calcineurin inhibitor and long-term outcomes following liver transplantation in patients with Primary Biliary Cholangitis- an ELTR study

Author

van Hooff, Maria C., primary, de Veer, Rozanne C., additional, Karam, Vincent, additional, Adam, Rene, additional, Taimr, Pavel, additional, Polak, Wojciech G., additional, Pashtoun, H., additional, Murad, Sarwa Darwish, additional, Corpechot, Christophe, additional, Mirza, Darius, additional, Heneghan, Michael, additional, Lodge, Peter, additional, Oniscu, Gabriel C., additional, Thorburn, Douglas, additional, Allison, Michael, additional, Metselaar, Herold J., additional, den Hoed, Caroline M., additional, van der Meer, Adriaan J., additional, Oniscu, Gabriel, additional, Pratschke, Johann, additional, Manas, Derek, additional, Bennet, William, additional, Line, Pal-Dag, additional, Hoti, Emir, additional, Zieniewicz, Krzysztof, additional, Ericzon, Bo Goran, additional, Fronek, Jiri, additional, Klempnauer, Jurgen L., additional, Rasmussen, Allan, additional, Romagnoli, Renato, additional, Nemec, Petr, additional, Nordin, Arno, additional, Paul, Andreas, additional, De Simone, Paolo, additional, Porte, R.J., additional, Berlakovich, Gabriela, additional, Cherqui, Daniel, additional, Pirenne, Jacques, additional, Sokal, Etienne, additional, Rossi, Giorgio, additional, Candinas, Daniel, additional, Bachellier, Philippe, additional, Rummo, Oleg, additional, Boudjema, Karim, additional, Mrzljak, Anna, additional, Soubrane, Olivier, additional, Metselaar, Herold, additional, Schneeberger, Stefan, additional, Navarro, Francis, additional, Berney, Thierry, additional, Duvoux, Christophe, additional, Colledan, Michele, additional, De Carlis, Luciano, additional, Boillot, Olivier, additional, Hardwigsen, Jean, additional, Pruvot, Francois Rene, additional, Suc, Bertrand, additional, Vivarelli, Marco, additional, Clavien, Pierre Alain, additional, Lang, Hauke, additional, Kosieradzki, Maciej, additional, Berrevoet, Frederik, additional, Heyd, Bruno, additional, Cescon, Matteo, additional, Chiche, Laurence, additional, Kochs, Eberhard, additional, Baccarani, Umberto, additional, Detry, Olivier, additional, Bartels, Michael, additional, Rossi, Massimo, additional, Scatton, Olivier, additional, Papanikolaou, Vasileios, additional, Alwayn, Ian, additional, Schemmer, Peter, additional, Senninger, N., additional, Ducerf, Christian, additional, Di Benedetto, Fabrizio, additional, Tisone, Giuseppe, additional, Nadalin, Silvio, additional, Mathe, Zoltan, additional, Ribnikar, Marija, additional, Settmacher, Utz, additional, Becker, Thomas, additional, Silva, Nuno, additional, Daniel, Jorge, additional, Popescu, Irinel, additional, Lucidi, Valerio, additional, Bechstein, Wolf O., additional, Decaens, Thomas, additional, Gugenheim, Jean, additional, Gruttadauria, Salvatore, additional, Zamboni, Frausto, additional, Zeytunlu, Murat, additional, Kalff, Jorg C., additional, Vali, Toomas, additional, Tokat, Yaman, additional, Klar, Ernst, additional, Janek, Julius, additional, Kilic, Murat, additional, Katzarov, Krum, additional, Fisher, Lutz, additional, Buc, Emmanuel, additional, Castagneto, Marco, additional, Unek, Tarkan, additional, Spassov, Lubomir, additional, Stippel, Dirk, additional, Bruns, Christiane, additional, Schlitt, Hans, additional, Salame, Ephrem, additional, Kalicinski, Piotr, additional, and Acarli, Koray, additional

Published
2024
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39. The trajectory of anti-recEm18 antibody levels determines follow-up after curative resection of hepatic alveolar echinococcosis

Author

Gloor, Severin, primary, Jiang, Wanjie, additional, Maurer, Martin H., additional, Gottstein, Bruno, additional, Oberli, Alexander, additional, Hagemann, Jürgen Benjamin, additional, Hotz, Julian Frederic, additional, Candinas, Daniel, additional, Lachenmayer, Anja, additional, Grüner, Beate, additional, and Beldi, Guido, additional

Published
2023
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40. Comparison of transarterial bland embolization and drug-eluting beads transarterial chemoembolization for very early and early hepatocellular carcinoma not amenable for surgery or ablation: a single center retrospective data analysis

Author

Cathomas, Marionna, primary, Mueller, Flavian, additional, Mertineit, Nando, additional, Baumgartner, Iris, additional, Candinas, Daniel, additional, Berzigotti, Annalisa, additional, Maurer, Martin H., additional, and Lachenmayer, Anja, additional

Published
2023
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49. No signs of check-list fatigue – introducing the StOP? intra-operative briefing enhances the quality of an established pre-operative briefing in a pre-post intervention study

Author

Timm-Holzer, Eliane, primary, Tschan, Franziska, additional, Keller, Sandra, additional, Semmer, Norbert K., additional, Zimmermann, Jasmin, additional, Huber, Simon A., additional, Hübner, Martin, additional, Candinas, Daniel, additional, Demartines, Nicolas, additional, Weber, Markus, additional, and Beldi, Guido, additional

Published
2023
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