Abstract: A 3D measurement method including: projecting a pattern sequence onto a moving object; capturing a first image sequence with a first camera and a second image sequence synchronously to the first image sequence with a second camera; determining corresponding image points in the two sequences; computing a trajectory of a potential object point from imaging parameters and from known movement data for each pair of image points that is to be checked for correspondence. The potential object point is imaged by both image points in case they correspond. Imaging object positions derived therefrom at each of the capture points in time into image planes respectively of the two cameras. Corresponding image points positions are determined as trajectories in the two cameras and the image points are compared with each other along predetermined image point trajectories and examined for correspondence; lastly performing 3D measurement of the moved object by triangulation.

Abstract: Disclosed are methods, circuits, devices, systems and functionally associated computer executable code for image acquisition with depth estimation. According to some embodiments, there may be provided an imaging device including: (a) one or more imaging assemblies with at least one image sensor; (b) at least one structured light projector adapted to project onto a scene a multiresolution structured light pattern, which patterns includes multiresolution symbols or codes; and (3) image processing circuitry, dedicated or programmed onto a processor, adapted to identify multiresolution structured light symbols/codes within an acquired image of the scene.

Abstract: Detecting material properties such reflectivity, true color and other properties of surfaces in a real world environment is described in various examples using a single hand-held device. For example, the detected material properties are calculated using a photometric stereo system which exploits known relationships between lighting conditions, surface normals, true color and image intensity. In examples, a user moves around in an environment capturing color images of surfaces in the scene from different orientations under known lighting conditions. In various examples, surfaces normals of patches of surfaces are calculated using the captured data to enable fine detail such as human hair, netting, textured surfaces to be modeled. In examples, the modeled data is used to render images depicting the scene with realism or to superimpose virtual graphics on the real world in a realistic manner.

Abstract: Methods and systems including a measurement device and a smart mobile device including a camera, a processor, a memory communicatively coupled to the processor, and machine readable instructions stored in the memory that may cause a system to perform at least the following when executed by the processor: use the camera of the smart mobile device to capture an image of a remote product; apply a sizing algorithm to the image of the remote product to generate a relative product size; generate a relative distance to the remote product through the measurement device; and apply triangulation and linear regression algorithms to generate an automated actual product measurement of the remote product based on the relative product size and the relative distance.

Abstract: A 3D scene is acquired using a LIDAR system including a transmitter, a receiver, and a pivotable mirror arrangement between the transmitter and the 3D scene. The transmitter is operated as a laser light source and the receiver is configured as a matrix sensor with an irradiation optical system and light sensors distributed over a surface. Light points reflected in a spatially resolved manner at pixels of a point cloud of the 3D scene are generated by light pulses of the transmitter and by pivoting the mirror arrangement. An input signal is acquired from each of the light points by the light sensors and a distance of the light points to the matrix sensor is determined based on a light propagation time measurement. A defocused input signal of a light point including a plurality of light sensors is displayed by the irradiation optical system and the input signals are compared.

Abstract: A projection pattern is projected onto a surface of an object from a projection point of a distance by projecting a plurality of beams of light from the projection point. The plurality of beams of light creates a plurality of projection artifacts that is arranged in a grid on the surface of the object. A center projection artifact lies at an intersection of a grid longitude line and a grid latitude line. A projection of the plurality of beams is adjusted so that the longitude line and/or the latitude line is rotated by a predetermined amount from an original position to a new position, resulting in an adjusted projection pattern on the surface of the object. An image of the object, including at least a portion of the adjusted projection pattern, is captured. A distance from the distance sensor to the object is calculated using information from the image.

Abstract: Method for targeted application of active agents to a target surface including: creating a digital geometric representation of the target surface; providing an array of applicators; selecting an applicator from the array of applicators based on the target surface; disposing the active agent on the applicator surface of the applicator; disposing the applicator on the target surface so that the active agent is in contact with the target surface; and removing the applicator from the target surface while leaving at least some of the active agent in contact with the target surface.

Abstract: A probe system and a method are provided. The probe system includes an emitter unit, a pattern generation system, and an intensity modulator. The emitter unit is for emitting light. The pattern generation system is for projecting at least one reference structured-light pattern onto an object surface to obtain at least one reference projected pattern, and including a mirror scanning unit for reflecting the light to a plurality of directions. The intensity modulator is for modulating intensity of the light according to the at least one reference projected pattern to provide modulated light to the mirror scanning unit to reflect the modulated light to the plurality of directions to project at least one modulated structured-light pattern onto the object surface to obtain at least one modulated projected pattern.

Abstract: An image processing system includes a first light projection unit that projects, onto an object, a light pattern for specifying a three-dimensional shape; a second light projection unit that projects, onto the object, substantially uniform light, in which illumination energy is substantially uniform in a cross-sectional direction relative to a light projection direction, at substantially the same angle as in projection performed by the first light projection unit; an image capturing unit that captures images of the object; a generation unit that generates a division image by dividing components of a first captured image, which is captured while light is projected onto the object by the first light projection unit, by components of a second captured image, which is captured while light is projected onto the object by the second light projection unit; and a calculation unit that calculates three-dimensional positions on the object with use of the division image.

Abstract: An optical system is provided, including a light source, a light shape adjusting element, a light guiding module, and a driving assembly. The light source emits a light beam in a first direction, and the light shape adjusting element changes a cross-section of the light beam from a first shape to a second shape. The light guiding module includes a base and a light guiding element connected to the base for changing the propagation direction of the light beam from the first direction to a second direction. The driving assembly drives the light guiding element to move relative to the base.

Abstract: A highly visible overlay system may include a display system and contrasting visible element configuration components configured to define contrasting visible elements. An imaging component is configured to capture an image of a target scene for display. A processing component is configured to construct the plurality of contrasting visual elements in accordance with a visual acuity factor, and generate an electronic overlay constructed of the contrasting visual elements. A display component is configured to display the constructed overlay in combination with the image of the target scene, with the overlay being displayed as an overlay on the image of the target scene. The contrasting visual elements may include a white block and a black block, configured to satisfy visual acuity factor, display configuration and field of view information.

Abstract: A system and method for performing real-time quality inspection of objects is disclosed. The system and method include a transport to move objects being inspected, allowing the inspection to be performed in-line. At least one optical acquisition unit is provided that captured optical images of the objects being inspected. The captured optical images are matched to CAD models of objects, and the matched CAD model is extracted. A laser with an illumination light beam has a wavelength in the violet or ultraviolet range then conducts scans of the objects, which are formed into three-dimensional point clouds. The point clouds are compared to the extracted CAD models for each object, where CTF are compared to user input or CAD model information and the object is determined to be acceptable or defective based on the extent of deviation between the point cloud and the CAD model.

Abstract: A system for use in monitoring parameters of an object includes an illumination unit configured for providing coherent illumination of a predetermined wavelength range and for directing the coherent illumination onto an inspection region of the object, and a collection unit comprising a lens arrangement and a detector array and configured for collecting light returning from the inspection region and for generating one or more image data pieces associated with speckle patterns generated at an intermediate plane between the inspection region and the detector array. The detector array is configured as a rolling shutter type detector unit and the collection unit comprises at least one light splitting element configured for splitting collected light to thereby form a plurality of image replications corresponding to the speckle patterns on the detector array.

Abstract: A method for evaluating fit of an applicator can include receiving on a process first and second sets of digital data representing the target area and at least a portion of the applicator, respectively, digitally overlying the second set of digital data over the first set of digital data; calculating in the target area at a plurality of points of the overlay a separation distance between the sets of data and generating an electronic image that includes a visual depiction of the calculated separation distance.

Abstract: The invention relates to a method for the non-destructive inspection of an aeronautical part, by means of acquiring stereoscopic images and determining a three-dimensional model of the part, characterised in that it is used to extinguish one or more portions of the lighting of the part, and subsequently acquire a stereoscopic image of the surface by each of the sensors, these steps being performed by projecting a light on the surface by means of at least two projectors positioned in different locations.

Abstract: The invention relates to a portable device for measuring vertical rail measurements under service to record and report excessive vertical rail movement to prevent a train from derailing. The device may be pivoting with a tilt sensor and light-weight. The device may include a microprocessor, sensors, and a display. The device may be installed on the rail. The device may sense an approaching train, automatically turn on the device, and measure the real-time vertical displacement and the maximum/minimum vertical movement of the rail while the train is operating over the rail at all speeds.

Abstract: A projection device can include: an illuminating unit for emitting light; and a projection unit having a mirror surface, the projection unit being designed to project the light emitted by the illuminating device by means of the mirror surface into an object space and to shape it into different spatially structured light patterns in the object space. The projection device is distinguished in that the mirror surface is deformable, at least in regions, and in that the projection unit, for forming the different spatially structured light patterns in the object space, has at least one actuator for deforming the mirror surface, at least in regions. The present subject matter furthermore relates to a projection method, to a device, and to a method for detecting a three-dimensional contour.

Abstract: Methods for detecting if a Time of Flight (ToF) sensor is looking into a container are disclosed herein. An example method includes capturing a three-dimensional image. The three-dimensional image may comprise three-dimensional point data having a plurality of points. The example method may further include analyzing the plurality of points to determine a plurality of image components. Each image component may be representative of the plurality of points. The example method may further include comparing each image component of the plurality of image components to a threshold value. Each image component may correspond to a respective threshold value. The example method may further include determining that a number of image components N of the plurality of image components satisfy the respective threshold values, and determining the presence or absence of the container by comparing the number of image components N to an agreement threshold X.

Abstract: Systems and methods for scanning of a plurality of objects are disclosed. A laser guided scanning system for scanning includes a laser light configured to switch from a first color to a second color to indicate an exact position to a user for taking a number of shots comprising at least one image of an object. The laser guided scanning system further includes one or more cameras to capture the shots based on an indication from the laser light. The laser guided scanning system also includes a processor to: define a laser center co-ordinate for the object from a first shot of the plurality of shots, wherein the processor defines the exact position for taking the subsequent shot without disturbing the laser center co-ordinate for the object; and stitch and process the plurality of shots to generate at least one 3D model comprising a scanned image of the object.

Abstract: The nozzle deflection measuring device includes: a nozzle that rotates about a rotation axis, and includes a cylindrical shaft body extending along the rotation axis, and a spout located at a distal end portion of the shaft body a tank-shaped container having an insertion opening, the insertion opening having a radius larger than a sum of a radius of the shaft body and a maximum allowable deflection amount of the nozzle, a folded back portion arranged entire circumference of the insertion opening and extending inward of the container, and a discharge port; a moving mechanism that moves the nozzle relative to the container; and a non-contact deflection measuring meter arranged outside of the container and in the vicinity of the insertion opening, and measures a deflection of the nozzle inserted through the insertion opening in a state where the spout is disposed inside the container.

Abstract: Scatterometry analysis for a patterned structure, in which a patterned structure model is provided having a selected number of virtual segment data pieces indicative of a respective number of segments of the patterned structure along Z-axis through the structure, the segment data pieces processed for determining a matrix comprising Z-axis derivatives of electromagnetic elds' response of the segment to incident eld based on Maxwell's equations' solution, transforming this matrix into an approximated response matrix corresponding to the electromagnetic eld interaction between two different points spaced along the Z-axis, the transformation preferably carried out by a GPU, and comprises embedding the matrix in a series expansion of the matrix exponential term, the approximated response matrices for all the segment data pieces are multiplied for determining a general propagation matrix utilized to determine a scattering matrix for the patterned structure.

Abstract: A data processing apparatus processes measured data obtained from a first line sensor and a second line sensor. The data processing apparatus includes a hardware processor. The hardware processor is configured to obtain measured data from the first line sensor and the second line sensor, and a reference plane plate is measured in two or more positions differed by rotation around an axis orthogonal to the first coordinate plane and the second coordinate plane. The hardware processor is configured to calculate an angle between the same coordinate axes in the first coordinate plane and the second coordinate plane and a relative position of an origin of the first coordinate plane and an origin of the second coordinate plane based on measured data obtained from the first line sensor and the second line sensor in the two or more positions of the reference plane plate.

Abstract: In a method of operating a measurement device, an image acquisition unit acquires a first image of a subject. A display control unit displays the first image or a second image regarding the first image on a display. A reading unit reads one or more pieces of reference information from a storage medium. The reference information represents two reference positions on the subject. The display control unit displays the one or more pieces of reference information on the display. A setting unit sets two reference positions on the first image or the second image after the first image or the second image is displayed on the display and the reference information is displayed on the display.

Abstract: A laser processing apparatus includes a branching unit configured to branch a laser beam to a first optical path and a second optical path, a condenser configured to condense the branched laser beams on a processing face of a workpiece, an output power measuring unit configured to measure the output power of the laser beam emitted from a laser beam generation unit and having passed through the condenser, and a blocking member positioning mechanism disposed between the condenser and the output power measuring unit and capable of positioning a blocking member between a first laser beam blocking position at which the blocking member blocks only the laser beam of the first optical path from between the branched laser beams and a retracted position at which the blocking member blocks none of the laser beams.

Abstract: Provided is an image processing device. The device includes an active pixel sensor array including a plurality of pixels configured to generate a plurality of signals corresponding to a target, and an image processor configured to generate a depth map about the target based on an intensity difference of two signals among the plurality of signals.

Abstract: An otoscope may project a temporal sequence of phase-shifted fringe patterns onto an eardrum, while a camera in the otoscope captures images. A computer may calculate a global component of these images. Based on this global component, the computer may output an image of the middle ear and eardrum. This image may show middle ear structures, such as the stapes and incus. Thus, the otoscope may “see through” the eardrum to visualize the middle ear. The otoscope may project another temporal sequence of phase-shifted fringe patterns onto the eardrum, while the camera captures additional images. The computer may subtract a fraction of the global component from each of these additional images. Based on the resulting direct-component images, the computer may calculate a 3D map of the eardrum.

Abstract: Systems for generating in-focus color images are provided. Related methods and devices are also provided.

Abstract: A method and an apparatus for locating a sound source are provided. The method includes: obtaining M channels of audio signals of a preset format by microphone arrays located in different planes (S100); preprocessing the M channels of audio signals of the preset format, and projecting them onto the same plane, so as to obtain N channels of audio signals, where M?N (S200); performing a time-frequency transformation on each of the N channels of audio signals, so as to obtain frequency domain signals of the N channels of audio signals (S300); further calculating a covariance matrix of the frequency domain signals and performing a smoothing process (S400); performing an eigenvalue decomposition of the smoothed covariance matrix (S500); estimating the sound source direction according to an eigenvector corresponding to the maximum eigenvalue, so as to obtain a sound source orientation parameter (S600).

Abstract: A method includes capturing a first set of optical images of the subject while a subject is lying on a table of a Magnetic Resonance (MR) scanner. This first set of optical images is acquired without any MR phased-array coils placed on the subject. While the subject continues to lie on the table of the MR scanner, a second set of optical images of the subject is acquired with the MR phased-array coils placed on the subject. Aside from the optical images, a set of MR images of the subject is acquired using the MR scanner. The first and second set of optical images are registered to the MR images. Following registration, the first and second set of optical images are used to determine element positioning of the MR phased-array coils in the set of MR images.

Abstract: A 3D measurement method including; projecting a pattern sequence onto a moving object; capturing a first image sequence with a first camera and a second image sequence synchronously to the first image sequence with a second camera; determining corresponding image points in the two sequences; computing a trajectory of a potential object point from imaging parameters and from known movement data for each pair of image points that is to be checked for correspondence. The potential object point is imaged by both image points in case they correspond. Imaging object positions derived therefrom at each of the capture points in time into image planes respectively of the two cameras. Corresponding image points positions are determined as trajectories in the two cameras and the image points are compared with each other along predetermined image point trajectories and examined for correspondence; lastly performing 3D measurement of the moved object by triangulation.

Abstract: A three-dimensional shape measurement apparatus includes main pattern illumination parts, main image-capturing parts and a control part. The main pattern illumination parts obliquely illuminate grating pattern light in different directions toward a measurement target. The main image-capturing parts obtain a grating pattern image of the measurement target by receiving reflection light of the grating pattern light illuminated from the main pattern illumination parts and obliquely reflected by the measurement target. The control part produces height data of the measurement target using grating pattern images of the measurement target, or produces height data of the measurement target using image positions of plane images for the measurement target and texture information of the measurement target. The control part employs a grating pattern illuminated on the measurement target as the texture information to produce height data of the measurement target.

Abstract: The angle-adjusting vehicular headlights comprise a housing, a swivel bracket, a distance checker, a tilt mechanism, a controller, and a headlight socket. The angle-adjusting vehicular headlights may change an elevation angle of a headlight responsive to a determination by the controller that an inclination angle of a vehicle has changed. As non-limiting examples, the inclination angle may have changed due to a cargo load that has been placed into the vehicle thus compressing the vehicle suspension or the inclination angle may have changed due to the cargo load being removed from the vehicle and the resulting decompression of the vehicle suspension. angle-adjusting vehicular headlights may generally be deployed in pairs.

Abstract: Provided are a reference scale and dimension measurement system that make it possible to maintain accurate measurement even if the reference scale is not disposed or projected on a measurement surface.

Abstract: A light fixture including an array of LED light sources corresponding to a color channel of the light fixture, a driver circuit configured to drive the array of LED light sources, and a controller. The controller controls the operation of the light fixture to receive a direct drive signal related to a direct drive signal value for the array of LED light sources, determine an output of a reference light fixture based on the direct drive signal, determine a value for a color channel drive signal based on the output of the reference light fixture, and provide a control signal to the driver circuit to cause the driver circuit to apply the color channel drive signal having the value to the array of LED light sources. The value for the color channel drive signal results in an output of the light fixture that matches the output of the reference light fixture.

Abstract: Provided is an information processing system including a reflection member, a hand-held information processing apparatus including an imaging section, and an information processing apparatus communicable with the hand-held information processing apparatus. The reflection member is a retroreflecting material. The hand-held information processing apparatus includes the imaging section and a light emitting section. The hand-held information processing apparatus analyzes a captured image, calculates the position of an image of the retroreflecting material corresponding to reflected light from the retroreflecting material, and outputs positional information thereof. The information processing apparatus estimates the orientation or position of the hand-held information processing apparatus on the basis of the positional information, and generates an image based on the result of the estimation.

Abstract: A device for detecting a two-dimensional morphology of a wafer substrate in real time. The device comprises: a first calculation module, a second calculation module and an analysis module, wherein the first calculation module calculates the curvature CX between any two points of incidence on the wafer substrate in an X direction of a substrate to be detected according to position signals of N light spots; the second calculation module calculates the curvature CY at any one point of incidence on the wafer substrate in a moving direction, i.e. a Y direction, of the substrate to be detected according to the position signals of N light spots. The device can be adapted to a sapphire substrate on a graphite disc which rotates at a high speed.

Abstract: A device for determining the surface topology and associated color of a structure, such as a teeth segment, includes a scanner for providing depth data for points along a two-dimensional array substantially orthogonal to the depth direction, and an image acquisition means for providing color data for each of the points of the array, while the spatial disposition of the device with respect to the structure is maintained substantially unchanged. A processor combines the color data and depth data for each point in the array, thereby providing a three-dimensional color virtual model of the surface of the structure. A corresponding method for determining the surface topology and associate color of a structure is also provided.

Abstract: An information processing apparatus, comprising: a control unit configured to control a pattern that a projection apparatus projects onto an object; an obtainment unit configured to obtain a plurality of images respectively captured at a plurality of times by a plurality of image capturing apparatuses that capture the object onto which the pattern has been projected; and a measurement unit configured to measure range information of the object by performing matching, between images respectively captured by the plurality of image capturing apparatuses, using information of temporal change of pixel values of the images.

Abstract: The present invention relates to an apparatus (10) for providing a patient (12) with personalized advice (56) relating to a use of a patient interface (18) for providing a flow of breathable gas and/or to a use of a pressure support system (14) including such a patient interface (18), the apparatus (10) including: a receiving unit (32) for receiving (i) a virtual model of at least a part of a head of the patient (12), (ii) technical data relating to a technical design and functionality of the patient interface (18) and/or of the pressure support system (14), and (iii) usage data including information on how the patient (12) is using the patient interface (18) and/or the pressure support system (14); and an advice unit (36) for generating the personalized advice (56) on how to improve the use of the patient interface (18) and/or of the pressure support system (14) based on the virtual model, the technical data and the usage data.

Abstract: According to an example, an apparatus may include a hardware processor that is to access a first scanned image, in which the first scanned image corresponds to a scanned first feature of a three-dimensional (3D) object, perform a search for models matching the 3D object based upon the first scanned image, identify, from the search, a first set of candidate models, identify, from the first set of candidate models, a general identity of the 3D object, determine, based upon the identified general identity of the 3D object, a second feature of the 3D object that is to be scanned, and output an instruction to obtain a second scanned image of the determined second feature of the 3D object.

Abstract: A coordinate measuring device includes a non-contact-type measurement probe having a light emitter that emits light at a work piece along a plane, and an image capturer that captures an image of the emitted light produced by a surface of the work piece; a determiner that determines whether a distance from the measurement probe to the work piece is in an imageable range where the image of the emitted light can be captured, in a far range that is more distant than the imageable range, or in a proximal range that is closer than the imageable range; a notification device issuing a notification of results of a determination made by the determiner; and a memory storing the determination results.

Abstract: Method for providing avoiding of excitations of oscillations of a measuring machine and/or for reducing or damping such oscillations by actively controlling a driving unit of the measuring machine or actively controlling an actuation of an additionally attached actuator. The method using information about an actual state of the measuring device, the actual state is derived based on a dynamic model and/or by use of a suitable sensor unit. A state controller, an actuator or a frequency-filtering element are used for counteracting or preventing oscillations.

Abstract: A device for determining geometry characteristic values of a wheel profile on a rolling wheel of a rail vehicle that includes a first sensor arrangement, which has a first non-contact measuring distance sensor, which is oriented at a reference surface in the form of the inner planar surface of the rolling wheel, and at least one further non-contact measuring distance sensor, which is oriented at a defined angle of incidence at the wheel surface of the rolling wheel facing the rail or the wheel surface of the rolling wheel to be examined. Both distance sensors are arranged a defined distance to the rail. An electronic evaluation device calculates the geometry characteristic values from the detected distance signals. The first and the further non-contact measuring distance sensor use a frequency-modulated continuous-wave radar (FMCW), and a lens is used to bundle the radar waves and thus to define a measuring spot.

Abstract: The present disclosure relates to a mobile computing device and a method for calculating a bending angle and computer-readable medium, which belong to the field of electronic device. The mobile computing device includes: a flexible screen, at least two accelerometers, and a processing module; wherein the at least two accelerometers are located at different locations on the flexible screen, and each of the at least two accelerometers is connected to the processing module; the at least two accelerometers are configured to detect accelerations of the flexible screen; and the processing module is configured to calculate the bending angle of the flexible screen based on the accelerations detected by the at least two accelerometers, wherein the bending angle indicates how much the flexible screen is bent.

Abstract: Examples relate to capturing and processing three dimensional (3D) scan data. In some examples, 3D scan data of a real-world object is obtained while the real-world object is repositioned in a number of orientations, where the 3D scan data includes 3D scan passes that are each associated with one of the orientations. A projector is used to project a visual cue related to a position of the real-world object as the real-world object is repositioned at each of the orientations. The 3D scan passes are stitched to generate a 3D model of the real-world object, where a real-time representation of the 3D model is shown on a display as each of the 3D scan passes is incorporated into the 3D model.

Abstract: A projection pattern creation apparatus is configured to capture an image of a projection pattern projected from a pattern projection device by an imaging device to measure a three-dimensional position and/or a shape of an object. The projection pattern creation apparatus includes: a projection pattern deformation unit configured to reproduce deformation when a projected projection pattern is included in an image captured by the imaging device on the basis of characteristics of optical systems of the pattern projection device and the imaging device, and/or a positional relation between the pattern projection device and the imaging device and generate a deformation projection pattern; and a first projection pattern improvement unit configured to generate a second projection pattern obtained by improving a first projection pattern, on a basis of a first deformation projection pattern generated when the first projection pattern is projected toward evaluation surfaces having different positions and inclinations.

Abstract: An optical device for contactless measurement of height and/or thickness. The optical device having an axial chromatic aberration in order to encode the height and/or thickness information of an object positioned in the measurement field. The optical system is anchored in a confocal architecture. A detection system decodes the information through a detection system allowing the wavelength(s) focused on the surface(s) of the object to be discriminated. A plurality of points can be measured simultaneously or successively.

Abstract: In order to quickly determine three-dimensional contours, for example, in real time for industrial processes, capturing and processing data, a method includes a step of initially determining a coarse position of a light line image by a position scan with reduced resolution and therefrom automatically defining windows on a sensor which include an entire line image so that the data only has to be read from the windows during the subsequent measuring scan which is performed with a higher resolution compared to the position scans.

Abstract: A three-dimensional measurement sensor based on line structured light, comprising a sensing head and a controller. The sensing head is used for collecting section data and attitude information of its own, and matching the section data with the self attitude information. The sensing head comprises a three-dimensional camera, an attitude sensor, a laser and a control sub-board, wherein the three-dimensional camera is installed at a certain angle relative to the laser, and acquires elevation and grey information about an object surface corresponding to laser rays using a triangulation principle. The attitude sensor, the three-dimensional camera and the laser are installed on the same rigid plane, and the attitude sensor reflects measurement attitude of the three-dimensional camera and the laser in real time. The controller is used for measuring and controlling the sensing head, performing data processing transmission and supporting external control.

Abstract: A three-dimensional measurement device includes: an illuminator that irradiates a measured object with a predetermined light; an imaging device that comprises: an imaging sensor displaceable at least in a vertical direction; and a both-sided telecentric optical system that causes the imaging sensor to form an image of a predetermined area on the measured object irradiated with the predetermined light; a conveyor that moves the illuminator and the imaging device relative to the measured object; and a controller that: executes three-dimensional measurement of a predetermined measurement object on the measured object, based on the taken image; measures a height of the predetermined area at least at a time prior to imaging of the predetermined area under the predetermined light; and changes a height position of the imaging sensor based on a measurement result to adjust an interval between the predetermined area and the imaging sensor to a predetermined distance.