G01B11/24

Device and method for determining a measurement of a strand-shaped object
11519718 · 2022-12-06 · ·

A device for performing a measurement of a strand-shaped object comprises at least one transmission apparatus configured to emit measuring radiation onto the strand-shaped object, which reflects the measuring radiation. At least one receiving apparatus is configured to receive the measuring radiation reflected by the strand-shaped object. An evaluation apparatus is configured to determine at least one of (1) the diameter and (2) the outer contour of the strand-shaped object based on the measuring radiation received by the at least one receiving apparatus. At least one retroreflector is configured to surround at least a portion of the strand-shaped object and retroreflect at least some of the measuring radiation reflected by the strand-shaped object.

Measurement device

Provided is a measurement device that includes a pixel including a light receiver, a plurality of storage sections, and an electric charge supplying section. The light receiver generates received-light electric charge by performing photoelectric conversion on the basis of light. The plurality of storage sections stores the received-light electric charge and the plurality of storage sections includes a first storage section and a second storage section. The electric charge supplying section selectively supplies the received-light electric charge generated by the light receiver to the plurality of storage sections. The measurement device includes a processor that generates a first detection value on the basis of an electric charge amount of the received-light electric charge stored in the first storage section, and generates a second detection value on the basis of an electric charge amount of the received-light electric charge stored in the second storage section. The processor generates a first pixel value on the basis of a difference between the first detection value and the second detection value.

Method and system for three-dimensional automatic scan based primitive

The present invention relates to a method and a system for three-dimensional automatic scan based primitive, and estimates a three-dimensional model of an object from three-dimensional scan data of the object, recognizes a shape of the three-dimensional model by using fitting with at least one primitive, evaluates confidence of each of surface points of the three-dimensional model based on similarity between the at least one primitive used for shape recognition and the shape of the three-dimensional model, and scans the object in a series of views determined based on the confidence of each of the surface points, and thus, accuracy of the three-dimensional scan of the object is improved and time required for scan may be reduced.

Method and system for three-dimensional automatic scan based primitive

The present invention relates to a method and a system for three-dimensional automatic scan based primitive, and estimates a three-dimensional model of an object from three-dimensional scan data of the object, recognizes a shape of the three-dimensional model by using fitting with at least one primitive, evaluates confidence of each of surface points of the three-dimensional model based on similarity between the at least one primitive used for shape recognition and the shape of the three-dimensional model, and scans the object in a series of views determined based on the confidence of each of the surface points, and thus, accuracy of the three-dimensional scan of the object is improved and time required for scan may be reduced.

SYSTEM AND METHODS FOR GENERATING A 3D MODEL OF A PATHOLOGY SAMPLE
20220383584 · 2022-12-01 ·

A system and a method for generating a combined 3D model (95) of a sample comprising a sample imaging system (1) configured to generate a first 3D model (25) of the sample, a slice imaging system (2) configured to generate a second 3D model (615) of the sample, and a combiner engine (90) configured to generate a combined 3D model (95) based on the first 3D model and the second 3D model of the sample.

SYSTEM AND METHOD FOR DETERMINING DEPTH PERCEPTION IN VIVO IN A SURGICAL ROBOTIC SYSTEM
20220383531 · 2022-12-01 ·

A system and method for generating a depth map from image data in a surgical robotic system that employs a robotic subsystem having a camera assembly with first and second cameras for generating image data. The system and method generates based on the image data a plurality of depth maps, and then converts the plurality of depth maps into a single combined depth map having distance data associated therewith. The system and method can then control the camera assembly based on the distance data in the single combined depth map.

MEMS ACTUATOR FOR IN-PLANE MOVEMENT OF A MOBILE MASS AND OPTICAL MODULE COMPRISING THE MEMS ACTUATOR

A MEMS actuator includes a mobile mass suspended over a substrate in a first direction and extending in a plane that defines a second direction and a third direction perpendicular thereto. Elastic elements arranged between the substrate and the mobile mass have a first compliance in a direction parallel to the first direction that is lower than a second compliance in a direction parallel to the second direction. Piezoelectric actuation structures have a portion fixed with respect to the substrate and a portion that deforms in the first direction in response to an actuation voltage. Movement-transformation structures coupled to the piezoelectric actuation structures include an elastic movement-conversion structure arranged between the piezoelectric actuation structures and the mobile mass. The elastic movement-conversion structure is compliant in a plane formed by the first and second directions and has first and second principal axes of inertia transverse to the first and second directions.

VOLUME FLOW MEASUREMENT OF MATERIAL USING 3D LIDAR

A system for determining volume and flow characteristics for material on a conveyer belt is disclosed. The system includes an emitter, a sensor, and circuitry. The emitter is configured to generate radiation and direct the radiation toward a conveyer belt according to a field of view. The sensor is configured to measure reflected radiation from the conveyor belt and based on the generated radiation at a high framerate of about 20 to 30 Hertz and a high resolution of greater than about 4000 pixels and generate time of flight measurements. The circuitry is configured to generate time of flight measurements, determine three dimensional volume characteristics and flow characteristics for material conveyed by the conveyor belt using light detection and ranging based on the measured reflected radiation.

AUTOMATIC GENERATION OF OBJECT INSPECTIONS
20220381555 · 2022-12-01 · ·

In an embodiment, a method for automatically generating object inspections includes generating a preliminary list of inspection directions for an object to be inspected. The method also includes checking a compatibility of the preliminary list of inspection directions with each of a plurality of surfaces of the object. The method also includes creating a master set of direction-surface pairs responsive to the checking. The method also includes selecting candidate inspection points for each direction-surface pair in the master set of direction-surface pairs. The method also includes, responsive to a determination that the plurality of surfaces each have at least one compatible inspection direction indicated in the master set of direction-surface pairs, generating an optimized set of direction-surface pairs using a minimization algorithm. The method also includes returning the optimized set of direction-surface pairs and corresponding inspection points.

Method and device for displaying a two-dimensional image of a viewed object simultaneously with an image depicting the three-dimensional geometry of the viewed object

A method, device, and computer readable medium for displaying a two-dimensional image of a viewed object simultaneously with an image depicting a three-dimensional geometry of the viewed object using a video inspection device is disclosed. The video inspection device displays a two-dimensional image of the object surface of a viewed object, and determines the three-dimensional coordinates of a plurality of surface points. At least one rendered image of the three-dimensional geometry of the viewed object is displayed simultaneously with the two-dimensional image. As measurement cursors are placed and moved on the two-dimensional image, the rendered image of the three-dimensional geometry of the viewed object is automatically updated.