Abstract: A method of operating a surgical microscope includes detecting a direction of gaze of a user and detecting an amount of a movement of a head of the user. The movement of the head of the user is of a translatory movement type and a rotatory movement type. Amounts of movements or rotations of the camera or changes in the magnification are performed based on the detected amount of a movement of the head of the user.

Abstract: A method for determining a property of an object is disclosed, which includes: recording a first image of the object from a first direction; recording a second image of the object from a second direction; determining a first position in the first image, the first position representing a location of the object, and a second position in the second image, the second position representing the same location of the object, for a multiplicity of locations of the object; and calculating a value of an object property for each of the multiplicity of locations of the object. The value assigned to a location of the multiplicity of locations of the object is calculated using an intensity value at the first position, which represents the location, in the first image and an intensity value at the second position, which represents the location, in the second image.

Abstract: A method for correcting a shading in a digital image of a three-dimensional observation object obtained by at least one image sensor of an optical observation device is provided. The three-dimensional observation object is illuminated by illumination light and an intensity distribution, and an inhomogeneity in an image brightness is present in the digital image of the three-dimensional observation object. The method includes ascertaining a topography of the three-dimensional observation object, correcting the inhomogeneity in the image brightness of the digital image based on the topography of the three-dimensional observation object and the intensity distribution of the illumination light. In addition, an optical observation system is provided to perform the method.

Abstract: The invention relates to a method for operating a visualization system in a surgical application, wherein at least one image representation of a region to be operated on and/or operated on is captured by means of a capturing device, wherein the at least one image representation is displayed on a main display device, wherein a pose of a visualization device that can be worn on the head relative to a display surface of the main display device is captured by means of a pose sensor system, and wherein at least one three-dimensional augmentation information item corresponding to the at least one image representation displayed is generated and/or provided and is displayed on a display device of the visualization device, wherein the augmentation information item is generated and/or provided in consideration of the captured pose in such a way that the at least one image representation displayed on the main display device is extended into a three-dimensional region by the at least one three-dimensional augmentation in

Abstract: A parameterization of a control algorithm of a surgical microscope is carried out on the basis of one or more context parameters of an operation. On the basis of the parameterization, the control algorithm then is applied to one or more state indicators associated with a first setting of the surgical microscope in order thus to obtain a second setting of the surgical microscope. By way of example, the parameterization can comprise one or more prioritization operations.

Abstract: The invention relates to a method for operating an augmented reality observation system in a surgical application, wherein a viewing direction of a user is registered by means of a viewing direction sensor system of an AR observation apparatus, wherein the registered viewing direction is evaluated by means of a control device, and wherein at least one property of at least one controllable light source in the environment is altered by means of the control device by means of a control signal on the basis of the registered viewing direction. Further, the invention relates to an augmented reality observation system for a surgical application.

Abstract: The invention relates to a method for operating a visualization system in a surgical application, wherein a registration device of the visualization system provides a video data stream with a first image size as an output, wherein an image excerpt of the video data stream with a second image size that has been reduced in relation to the first image size is transmitted to a head-mounted visualization device via a communications link and is displayed on a display device of the visualization device, wherein a viewing direction of a user is registered by means of a sensor system, and wherein the image excerpt of the video data stream is defined on the basis of the registered viewing direction. Further, the invention relates to a visualization system.

Abstract: The invention relates to a method for controlling a microscope, wherein a voice information item is captured by means of at least one microphone, wherein, based on the captured voice information item, a command assigned to the voice information item is recognized from a plurality of commands, wherein an operational context, in which the microscope is when the voice information item is captured, is determined based on at least one context information item, wherein at least one microscope action is determined in consideration of the recognized command, and wherein at least one control command is generated to control the microscope to carry out the at least one determined microscope action, and wherein the at least one microscope action is carried out by controlling the microscope by means of the generated at least one control command, wherein the associated command is recognized in consideration of the determined operational context, and/or wherein the at least one microscope action is determined in considerati

Abstract: A generic reference model for a planned operation defines a multiplicity of landmarks that describe the planned operation. State data that describe a specific operation are received, for example by a surgical microscope, while performing a specific operation on the basis of the planned operation. Then the generic reference model is individualized in relation to the specific operation on the basis of the state data by virtue of adapting one or more landmarks of the multiplicity of landmarks to the specific operation.

Abstract: A method for correcting a shading in a digital image of a three-dimensional observation object obtained by at least one image sensor of an optical observation device is provided. The three-dimensional observation object is illuminated by illumination light and an intensity distribution, and an inhomogeneity in an image brightness is present in the digital image of the three-dimensional observation object. The method includes ascertaining a topography of the three-dimensional observation object, correcting the inhomogeneity in the image brightness of the digital image based on the topography of the three-dimensional observation object and the intensity distribution of the illumination light. In addition, an optical observation system is provided to perform the method.

Abstract: A visualization system includes an observation apparatus having a first image recording device to observe an operation region with a first observation plane, and an endoscope having a probe and a second image recording device to observe the operation region with a second observation plane. A display device represents a first image recorded by the first image recording device in a first orientation and a second image recorded by the second image recording device in a second orientation. The visualization system further includes a tracking system to determine an orientation of the endoscope relative to the observation apparatus and a controller configured to transform the second image based on the orientation of the endoscope relative to the observation apparatus.

Abstract: A robotic surgical system for treating a patient includes a surgical robot with a moveable robot member, an actuator for moving the robot member to 6D poses in a surgical field and for driving the robot member to act in the surgical field, a robot sensor for providing robot sensor data, and a control device for controlling the actuator according to a control program and under feedback of the robot sensor data, a processing unit configured to provide the control program to the control device, and to include and utilize a virtual anatomical model, a virtual surgical robot simulating movement and driving of the robot member, a surgical simulator, a sensor simulator, and a machine learning unit to create the control program, the machine learning unit reading the sensor simulator, the virtual surgical robot, and the virtual surgical field and feeding the virtual surgical robot.

Abstract: A computer-implemented method for locating possible artifacts in a virtually stained histology image, which was obtained from an initial histology image, is provided. In the method, at least one further image is generated on the basis of the virtually stained histology image or the initial histology image. The differences between the at least one further image and the virtually stained histology image are determined when the at least one further image has been generated on the basis of the initial histology image or the differences between the at least one further image and the initial histology image are determined when the at least one further image has been generated on the basis of the virtually stained histology image, and a mapping from the determined differences to their positions in the virtually stained histology image is created. The positions in the virtually stained histology image represent the positions of possible artifacts.

Abstract: A method for acquiring annotated data with the aid of surgical microscopy systems comprises obtaining desired criteria which are intended to be satisfied by desired data to be annotated, and storing the set of desired criteria in a plurality of surgical microscopy systems. In each surgical microscopy system, images are then recorded and current criteria which correspond to the recorded images are determined. The current criteria are compared with the desired criteria. If the desired criteria sufficiently correspond to the current criteria, a confirmation is requested from a user as to whether said user would like to annotate data. If the user provides the confirmation, annotations for images are received from the user and stored together with the images.

Abstract: A method for acquiring data with the aid of a surgical microscopy system comprises recording a data set having a multiplicity of images and deciding whether or not the new data set ought to be stored in a data memory of a database. The decision is taken by an existing classifier. A new classifier is determined on the basis of training data which comprise the data sets stored in the data memory of the database and/or comprise data obtained from the data sets stored in the data memory of the database. The new classifier is then used instead of the existing classifier when deciding whether a subsequently recorded new data set ought to be stored.

Abstract: A screen (3) for an HMD (1) is provided, and may be designed as a display screen or as a projection screen. The screen (3) comprises a layer (19) of a material with a switchable degree of transparency and at least one further switchable layer (17, 21, 23) which, in dependence on the switching state, can assume at least two physical states, the physical states differently influencing at least one optical property of light passing through the switchable layer or reflected by it.

Abstract: A medical-optical observation apparatus is provided, which includes an image recording device with an optical system and an optical field of view, for recording optical signals from an operating region, and a microphone device with an acoustic directional area, for the directed recording of acoustic signals with reference to the operating region, and wherein the acoustic directional area includes the optical field of view.

Abstract: An apparatus for classifying a brain tissue area as functional or non-functional by a stimulation of the brain includes a receiver unit for receiving information about a performed stimulation, a recording device for recording images that represent the brain tissue area, a detection unit for detecting a change in perfusion in the brain tissue area, and a classification unit configured to determine with the information whether there is a correlation between the performed stimulation and the detected change in perfusion, and to classify the brain tissue area as functional or as non-functional. The recording device is an endomicroscope for recording endomicroscopic images of the brain tissue area with a spatial resolution better than 20 ?m and a frame rate of at least 0.4 frames per second. The detection unit is configured to detect a change in perfusion based on the positions of certain tissue structures in the recorded images.

Abstract: A method and a system for generating an assistance function for an ophthalmological surgery are presented. The method includes capturing digital image data of a surgical microscope, which were generated during an ophthalmological surgery by an image sensor and which are annotated. The method furthermore includes capturing sensor data of a phaco system, which were generated during the ophthalmological surgery by a sensor of the phaco system and which are annotated, wherein the annotated sensor data and the annotated digital image data have synchronized timestamps and wherein the annotations refer in indicative fashion to a state of an ophthalmological surgery.

Abstract: A computer-implemented method for locating possible artifacts in a virtually stained histology image, which was obtained from an initial histology image, is provided. In the method, at least one further image is generated on the basis of the virtually stained histology image or the initial histology image. The differences between the at least one further image and the virtually stained histology image are determined when the at least one further image has been generated on the basis of the initial histology image or the differences between the at least one further image and the initial histology image are determined when the at least one further image has been generated on the basis of the virtually stained histology image, and a mapping from the determined differences to their positions in the virtually stained histology image is created. The positions in the virtually stained histology image represent the positions of possible artifacts.