Abstract: An image recording method (2) and an image recording apparatus (1) are provided for recording a sequence of individual images of a scene (3), wherein, in a first control loop (6), an exposure parameter (8) is set in dependence on a respective brightness value (21) of an individual image, wherein the scene (3) is illuminated using an illumination device (4), wherein, in a second control loop (7), a maximum value (10) of a control range (9) of the exposure parameter (8) in the first control loop (6) is set, wherein the setting of the maximum value (10) is effected in dependence on an exposure variable (11), which indirectly stands for an expected quantity of light incident on an image sensor.

Abstract: A magnetic coupling is provided having two rings that are arranged concentrically in relation to one another, which are each mounted to be rotatable in relation to one another. An arrangement of at least three magnetic dipoles is respectively arranged on both rings, the magnetic dipoles facilitating magnetic coupling of the rings and a transmission of torque from a driving ring to a driven ring of the two rings. The magnetic dipoles of the arrangements at the driven ring and/or at the driving ring is/are aligned such that two like magnetic poles, which adjoin one another on the respective other ring, are always followed by an unlike magnetic pole, and the magnetic poles adjoining one another at the respective other ring are arranged in a manner corresponding to one another such that the two rings are magnetically coupled in an equilibrium position.

Abstract: A video-processing assembly (1), particularly for an endoscope, including a video-processing device (2) and an expansion device (3), which is connected to the video-processing device (2) via an interface (14). The interface (14) transmits at least two video data channels (8, 13), a primary video data channel (8) processed in the video-processing device (2) and the secondary video data channel (13) being led unprocessed into the expansion device (3) and processed there. The two processed video signals are combined in a mixing unit (15) in the expansion device (3) and transmitted to an image display device (11).

Abstract: Medical image acquisition method for improving the identification of objects using characteristic colors in a color image which has been captured with an image sensor of a medical image acquisition system, wherein firstly a color value of an image area, selected by a user, of the color image is determined at least partially in a computer-implemented manner, and that subsequently, based on the determined color value, a color transformation is applied to the color image, which increases the color distance between image areas of the color image which are identical or similar in color to the determined color value and remaining image areas, not similar in color, of the color image.

Abstract: An instrument (1), in which a main part (6) and a folding part (7) that can be extended therefrom are formed at the distal end (3) of a flexible shaft (2). The folding part (7) can be extended via a linkage (8) that can be adjusted by a spindle drive (9), and the spindle drive (9) can be driven from a proximal end (4) of the flexible shaft (2) via a flexible shaft (12).

Abstract: An endoscope assembly has an endoscope, having an optical waveguide and having an image guide, wherein the image guide is configured to be uninterrupted up to its proximal end and has an image guide interface at its proximal end for optical connection to an image capturing unit, an illumination unit having a light source and having an optical waveguide interface for optical connection of the light source to an optical waveguide, and an image capturing unit having an image sensor and having an image guide interface for optical connection of the image sensor to an image guide.

Abstract: A visualization module (1, 50, 100, 200), in particular for an endoscope (2), having an image sensor (3) and an illumination unit (4) for lighting a field of view of the image sensor (3), wherein the illumination unit (4) is arranged in the shadow of the image sensor (3) in the case of light that is incident perpendicularly on an end face (32) of the visualization module (1, 50, 100, 200), and the image sensor (3) and the illumination unit (4) are encapsulated at least partially in a transparent encapsulation material (5). A method for producing a visualization module (1, 50, 100, 200) is also provided.

Abstract: To summarize, it is proposed for improving the display of a variable video data stream recorded with a video endoscopy system on a monitor that the video endoscopy system automatically transmits at least one parameter and transmits it to the monitor, wherein the display of a currently transmitted section of the video data stream, preferably in real time, can be adjusted using the parameter to enable an adjusted display of that section on the monitor.

Abstract: In an image processing method (18), for images (9) in a image sequence (8), in each case a position indication (23) of a center (24) of the image content (10) of individual images (9) is calculated in a completely computer-implemented and/or hardware-implemented, statistical evaluation method (20). The center (24) is defined by a circle section (62) which is described or characterized by a separation line (12) between the image content (10) and a periphery (11) which is supplementary to the image content (10) in the image (9) or complementary therewith.

Abstract: A sensor array (1) for recording a color image in the visible spectrum (8) and hyperspectral information that is spatially linked with the color image, wherein the sensor array (1) includes an image sensor (2) composed of a plurality of photocells (3), wherein respectively a color filter (4) is fixedly assigned to at least one portion of the photocells (3), wherein each photocell (3) is assigned to a subcell (5) and each subcell (5) is assigned to a supercell (6). Each subcell (5) has at least one additional filter of a channel, and all the channels together cover at least the entire visible spectrum (8), and the characteristic wavelengths (9) of the individual filters belonging to a channel in each case differ from one another between the subcells (5) of a supercell (6).

Abstract: In order to improve the noise suppression in a video image stream 3 of a medical image recording system, the video image stream including a sequence of frames, it is provided that an image processing unit 5 of the image recording system analyses the video image stream 3 continuously in real time and determines at least one variability between successive image pixels of the frames, for example of spatially adjacent image pixels of frames and/or of image pixels of a plurality of the frames corresponding to one another spatially and temporally, in order, on the basis of the variability determined, to set at least one parameter of a noise suppression subsequently applied to the video image stream 3. As a result, the noise suppression can be adapted continuously to a current recording situation.

Abstract: In summary, to simplify operation of a medical image acquisition system, it is proposed that the image acquisition system continuously monitors a current image acquisition situation and assigns at least one new function to at least one, preferably manual, operating element, which is adapted to a detected new image acquisition situation, in response to a change in the image acquisition situation, to the extent that said newly assigned function is adjustable and/or operable with the at least one operating element. To this end, the image acquisition system can detect the change in the image acquisition situation using predefined parameters by means of sensors and/or through communication with peripheral units and/or preferably through image analysis of an image sequence which is recorded with an image sensor of the image acquisition system.

Abstract: To simplify the use of a functional scope of a medical image recording system, for example an endoscopy system, a method is proposed in which an image processing unit of the image recording system recognizes predefined image recording situations on the basis of an image sequence recorded using an image sensor of the image recording system and in response thereto proposes an adaptation to a user that results in an improved display and/or an improved recording of the image sequence in the respective recognized image recording situation. The adaptation can relate here to an algorithm, using which the image sequence is processed after the recording, and/or an image recording method currently used to generate the image sequence.

Abstract: A method for determining the image position of a marker point (3) in an image of an image sequence including the method steps of: setting (S2) a marker point in a first image (1) of the image sequence, determining (S4) a transformation at least between corresponding portions of the first image (1) and a second image (4) of the image sequence, transforming (S5) at least the portion of the first image (1) or the portion of the second image (4) on the basis of the transformation determined, localizing (S6) the marker point (3) in the transformed portion of the image (4?), and mapping (S7) the localized marker point into the second image (4) on the basis of the determined transformation.

Abstract: A method for marking an image region in an image of an image sequence includes the steps of: identifying (S2) an image region (3) in a first image (1) of the image sequence, determining (S5) a transformation between the first image (1) and a second image (4) of the image sequence, transforming (S6) the image region (3) on the basis of the determined transformation, and presenting (S6) the transformed image region (3?) in the second image (4).

Abstract: An endoscope (1) with an endoscope shaft (3) in which an illumination device (11) and a rotatably mounted image sensor (12) are arranged in a distal region (8) is provided, and includes a handle (2) in which a rotatably mounted heat sink (16) is arranged, wherein the image sensor (12) is thermally connected to the heat sink (16), for conjoint rotation therewith, via a heat transmission element (15).

Abstract: The electronic endoscope has an endoscope shaft (2) and an electronics housing (3), and also an optical waveguide (5) having optical fibers (4). The endoscope shaft (2) is formed on the electronics housing (3) or connected thereto, the electronics housing (3) being closed so as to be vapor-tight and liquid-tight from outside. The optical waveguide (5) extends between a distal end (6) of the endoscope shaft (2), directed away from the electronics housing (3), and a light source (7) arranged in the electronics housing (3). The optical waveguide (5) has, at its proximal end (8), an optical waveguide connector (9), with which a light exit point (10) from the electronics housing (3) is closed off in a vapor-tight and liquid-tight manner.

Abstract: A camera controller (1) with an image data stream input (2) and an image data stream output (4), wherein a first image data stream path (3) and a second image data stream path (5) are formed. An image processing unit (6) is arranged in the second image data stream path (5). A switching unit (7) is controlled by a comparison unit (8). The comparison unit (8) compares a first checking data stream (9), which was diverted from an image data stream (1) upstream of the image processing unit (6), and a second checking data stream (10), which was diverted from the image data stream downstream of the image processing unit (6). The image data stream paths are switched via the switching unit (7) if the deviation of the second checking data stream (9) from the first checking data stream (10) exceeds a threshold value.

Abstract: An endoscopy device (1) with an endoscope (2) and a camera control unit (12) is provided. The endoscope (2) has an endoscope shaft (3) and an endoscope head (4), and the endoscope shaft (3) is made of a metallic material. Electronics (8) are arranged in the endoscope head (4) and are connected to an attachment cable (10), and the electronics (8) and the attachment cable (10) are shielded by an electronics shield (14). A galvanic barrier (15) is set up between the electronics shield (14) and the endoscope shaft (3) and couples the endoscope shaft (3) capacitively to the electronics shield (14).