1
Brian Hoffman
Wenyi Zhao, Chenyu Wu, David Hirvonen, Tao Zhao, Brian D Hoffman, Simon Dimaio: Robust sparse image matching for robotic surgery. Intuitive Surgical, Patent Dept, Intuitive Surgical Operations, July 1, 2010: US20100166323-A1

Systems, methods, and devices are used to match images. Points of interest from a first image are identified for matching to a second image. In response to the identified points of interest, regions and features can be identified and used to match the points of interest to a corresponding second ima ...


2
Brian Hoffman
Brandon D Itkowitz, Daniel J Halabe, Tao Zhao, Simon Dimaio, Christopher J Hasser, Catherine J Mohr, Paul W Mohr, David Q Larkin, Wenyi Zhao, Brian D Hoffman: Synthetic representation of a surgical robot. Intuitive Surgical, Patent Dept, Intuitive Surgical, July 30, 2009: US20090192524-A1

A synthetic representation of a robot tool for display on a user interface of a robotic system. The synthetic representation may be used to show the position of a view volume of an image capture device with respect to the robot. The synthetic representation may also be used to find a tool that is ou ...


3
Brian Hoffman
Wenyi Zhao, Chenyu Wu, David Hirvonen, Christopher J Hasser, Brian E Miller, Catherine J Mohr, Myriam J Curet, Tao Zhao, Simon Dimaio, Brian D Hoffman: Efficient 3-d telestration for local robotic proctoring. Intuitive Surgical, Patent Dept, Intuitive Surgical Operations, July 1, 2010: US20100164950-A1

An apparatus is configured to show telestration in 3-D to a surgeon in real time. A proctor is shown one side of a stereo image pair, such that the proctor can draw a telestration line on the one side with an input device. Points of interest are identified for matching to the other side of the stere ...


4
Brian Hoffman
David Scott, Wenyi Zhao, Brian D Hoffman, John D Stern, Tao Zhao: Augmented stereoscopic visualization for a surgical robot using a captured visible image combined with a fluorescence image and a captured visible image. Intuitive Surgical, Patent Dept, Intuitive Surgical, October 29, 2009: US20090268012-A1

An endoscope with a stereoscopic optical channel is held and positioned by a robotic surgical system. A capture unit captures (1) a visible first image and (2) a visible second image combined with a fluorescence second image from the light. An intelligent image processing system receives (1) the vis ...


5
Brian Hoffman
David D Scott, Wenyi Zhao, Christopher J Hasser, Brian D Hoffman, Paul Lilagan, Ian McDowall, Catherine J Mohr, John D Stern, Tao Zhao: Augmented stereoscopic visualization for a surgical robot. Intuitive Surgical, Patent Dept, Intuitive Surgical, October 29, 2009: US20090268015-A1

A robotic surgical system positions and holds an endoscope. A visible imaging system is coupled to the endoscope. The visible imaging system captures a visible image of tissue. An alternate imaging system is also coupled to the endoscope. The alternate imaging system captures a fluorescence image of ...


6
Brian Hoffman
Wenyi Zhao, Christopher J Hasser, Brian D Hoffman, Catherine J Mohr, John D Stern, Tao Zhao: Augmented stereoscopic visualization for a surgical robot using a captured fluorescence image and captured stereoscopic visible images. Intuitive Surgical, Patent Dept, Intuitive Surgical, October 29, 2009: US20090268010-A1

An illumination channel, a stereoscopic optical channel and another optical channel are held and positioned by a robotic surgical system. A first capture unit captures a stereoscopic visible image from the first light from the stereoscopic optical channel while a second capture unit captures a fluor ...


7
Brian Hoffman
Tao Zhao, Wenyi Zhao, Daniel J Halabe, Brian D Hoffman, William C Nowlin: Fiducial marker design and detection for locating surgical instrument in images. Intuitive Surgical, Patent Dept, Intuitive Surgical Operations, July 1, 2010: US20100168562-A1

The present disclosure relates to systems, methods, and tools for tool tracking using image-derived data from one or more tool-located reference features. A method includes: capturing a first image of a tool that includes multiple features that define a first marker, where at least one of the featur ...


8
Manoj Aggarwal, Keith Hanna, Harpreet Sawhney, Vincent Paragano, Rakesh Kumar, Supun Samarasekera, Aydin Arpa, Thomas Germano, Tao Zhao, David Kalokitis, David R Patterson: Method and apparatus for total situational awareness and monitoring. SRI International, Moser Taboada, October 16, 2012: US08289390 (42 worldwide citation)

A sentient system combines detection, tracking, and immersive visualization of a cluttered and crowded environment, such as an office building, terminal, or other enclosed site using a network of stereo cameras. A guard monitors the site using a live 3D model, which is updated from different directi ...


9
Manoj Aggarwal, Harpreet Sawhney, Keith Hanna, Rakesh Kumar, Tao Zhao, David R Patterson, David Kalokitis: Method and apparatus for stereo, multi-camera tracking and RF and video track fusion. SRI International, Lowenstein Sandler PC, April 19, 2011: US07929017 (31 worldwide citation)

A unified approach, a fusion technique, a space-time constraint, a methodology, and system architecture are provided. The unified approach is to fuse the outputs of monocular and stereo video trackers, RFID and localization systems and biometric identification systems. The fusion technique is provid ...


10
Wenyi Zhao, Catherine J Mohr, Christopher J Hasser, Brian D Hoffman, John D Stern, Tao Zhao: Augmented stereoscopic visualization for a surgical robot using a captured fluorescence image and captured stereoscopic visible images. Intuitive Surgical Operations, July 24, 2012: US08228368 (15 worldwide citation)

An illumination channel, a stereoscopic optical channel and another optical channel are held and positioned by a robotic surgical system. A first capture unit captures a stereoscopic visible image from the first light from the stereoscopic optical channel while a second capture unit captures a fluor ...



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