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Discovery and Detection of Surgical Activity in Percutaneous VertebroplastiesIn this project, we aim at discovering automatically the workflow of percutaneous vertebroplasty. The medical framework is quite different from a parallel project , where we analyze laparoscopic surgeries. Contrary to cholecystectomies where much information is provided by the surgical tools and by the endoscopic video, in vertebroplasties and kyphoplasties, we believe that the body and hand movement of the surgeon give a key insight into the surgical activity. Surgical movements like hammering of the trocar into the vertebra or the stirring of cement compounds are indicative of the current workflow phase. The objectives of this project are to acquire the workflow related signals using accelerometers, processing the raw signals and detecting recurrent patterns in order to objectively identify the low-level and high-level workflow of the procedure. |
Simulated UltrasoundWe are simulating Ultrasound images from CT volumes by assuming a correlation between Hounsfield units and acoustic impedance. Rays are cast trough the CT volume to simulate the US image formation. Simulated Ultrasound from CT can be used for CT/Ultrasound registration by comparing a real US image to simulated ones. Another application of simulated US is training. |
Surgical Workflow Analysis in Laparoscopy for Monitoring and DocumentationSurgical workflow recovery is a crucial step towards the development of intelligent support systems in surgical environments. The objective of the project is to create a system which is able to recognize automatically the current steps of a surgical laparoscopic procedure using a set of signals recorded from the OR. The project adresses several issues such as the simultaneous recordings of various signals within the OR, the design of methods and algorithms for processing and interpreting the information, and finally the development of a convenient user interface to display context sensitive information inside the OR. The current clinical focus is on laparoscopic cholecystectomies but the concepts developed in the project also apply to laparoscopic surgeries of other kinds. |
Analysis and Modeling of Actions for Advanced Medical Training SystemsProviding feedback to trainees is one of the most important issues to support learning. This project researches how to give quantitative and visual feedback on the performance of a student when training on simulators or phantoms. Statistical analysis and probabilistic models are used to compare the performance of students and experts. Augmented Reality and video is used to give visual feedback like a synchronized replay of the student’s and the expert’s performance. |
Augmented Reality Supported Patient Education and ConsultationThe project Augmented Reality Supported Patient Education and Consultation (Augmented Reality unterstützte Operationsaufklärung) aims at developing Augmented Reality (AR) supported communication tools for patient education. The development of the targeted systems involves disciplines reaching from image registration, human computer interaction and in-situ visualization to instructional design and perceptual psychology. As a primary clinical application, we determined breast reconstruction in plastic surgery. |
| L. Wang, J. Landes, S. Weidert, T. Blum, First Animal Cadaver Study for Interlocking of Intramedullary Nails under Camera Augmented Mobile C-arm A Surgical Workflow Based Preclinical Evaluation the 1st International Conference on Information Processing in Computer-Assisted Interventions (IPCAI), Switzerland, June 23 2010 (bib) |
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| T. Blum, S.M. Heining, O. Kutter, N. Navab
Advanced Training Methods using an Augmented Reality Ultrasound Simulator 8th IEEE and ACM International Symposium on Mixed and Augmented Reality (ISMAR 2009), Orlando, USA, October 2009, pp. 177-178 (bib) |
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| T. Blum, M. Martignoni, H. Friess, N. Navab
An Ultrasound Simulator for Training using CT-based Simulation of Ultrasound Images 5th Russian-Bacarian Conference on Bio-Medical Engineering, Munich, Germany, July 2009 (bib) |
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| N. Fritz, T. Meyer, T. Blum, H.U. Lemke, M. Ilzkovitz, Y. Nevatia, M. Nolden, I. Wegner, M. Weinlich, R. Breitkreutz, W. Wein, M. Lazerges, O. Angerer, N. Navab
CAMDASS: An Augmented Reality Medical Guidance System for Spaceflights Proceedings of Computer Assisted Radiology and Surgery (CARS 2009), Berlin, Germany, June 2009 (bib) |
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| T. Blum, N. Padoy, H. Feußner, N. Navab
Workflow Mining for Visualization and Analysis of Surgeries International Journal of Computer Assisted Radiology and Surgery, Volume 3, Number 5, November 2008, pp. 379-386 (bib) |
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| T. Blum, N. Padoy, H. Feußner, N. Navab
Modeling and Online Recognition of Surgical Phases using Hidden Markov Models Medical Image Computing and Computer-Assisted Intervention (MICCAI 2008), New York, USA, September 2008, pp. 627-635 (bib) |
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| N. Padoy, T. Blum, H. Feußner, M.O. Berger, N. Navab
On-line Recognition of Surgical Activity for Monitoring in the Operating Room Proceedings of the 20th Conference on Innovative Applications of Artificial Intelligence (IAAI 2008) held in conjunction with the 23rd AAAI Conference on Artificial Intelligence, Chicago, Illinois, USA, July 2008, pp. 1718-1724 (bib) |
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| T. Blum, N. Padoy, H. Feußner, N. Navab
Workflow Mining for Visualization and Analysis of Surgeries Proceedings of Computer Assisted Radiology and Surgery (CARS 2008), Barcelona, Spain, June 2008, pp. 134-135 (bib) |
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| N. Padoy, T. Blum, I. Essa, H. Feußner, M.O. Berger, N. Navab
A Boosted Segmentation Method for Surgical Workflow Analysis Proceedings of Medical Image Computing and Computer-Assisted Intervention (MICCAI 2007), Brisbane, Australia, October 2007, pp. 102-109 (bib) |
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| T. Blum, T. Sielhorst, N. Navab
Advanced Augmented Reality Feedback for Teaching 3D Tool Manipulation New Technology Frontiers in Minimally Invasive Therapies, 2007, pp. 223-236 (bib) |
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| T. Blum, O. Häberle, M. Appel, H. Krcmar
Estimating the Financial Consequences of Using Augmented Reality in the Construction of Power Plants Dritter Workshop Virtuelle und Erweiterte Realität der GI-Fachgruppe VR/AR, Koblenz, Germany, September 2006 (bib) |
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| O. Häberle, T. Blum, H. Krcmar
Evaluating an Innovative Technology in the Presence of Uncertainty 12th Americas Conference on Information Systems (AMCIS 2006), Acapulco, México, August 2006, pp. 541-549 (bib) |
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| T. Sielhorst, T. Blum, N. Navab
Synchronizing 3D movements for quantitative comparison and simultaneous visualization of actions Fourth IEEE and ACM International Symposium on Mixed and Augmented Reality (ISMAR 2005), Vienna, Austria, October 2005, pp. 38-47 (bib) |
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| T. Sielhorst, T. Blum, N. Navab
Quantitative comparison of movements for medical training 4. Jahrestagung der Deutschen Gesellschaft für Computer-und Roboter-Assistierte Chirurgie (CURAC 2005), Berlin, Germany, September 2005 (bib) |
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Werner von Siemens Excellence Award 2008 for my diploma thesis Surgical Workflow Analysis: Representation and Application to Monitoring supervised by Nicolas Padoy & advised by Prof. Nassir Navab |
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NDI Best Student Paper Award on ISMAR 2005 together with Tobias Sielhorst for our paper Synchronizing 3D movements for quantitative comparison and simultaneous visualization of actions |
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| Title: | Dipl.-Inf. Univ. |
| Firstname: | Tobias |
| Middlename: | |
| Lastname: | Blum |
| Picture: | |
| Birthday: | |
| Nationality: | Germany |
| Languages: | English, German |
| Groups: | Surgical Workflow, Medical Augmented Reality |
| Expertise: | Surgical Workflow, Medical Augmented Reality |
| Position: | Scientific Staff |
| Status: | Active |
| Emailbefore: | blum |
| Emailafter: | in.tum.de |
| Room: | MI 03.13.039 |
| Telephone: | +49 89 289 19441 |
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