Abstract: A computer and a method executable by the computer. The computer may include a processor and memory storing instructions executable by the processor. The instructions may include, to: receive sensor data from a sensor in a vehicle operating in a fully autonomous mode; using the data, determine a misalignment value; and based on the value, perform one of a plurality of vehicle driving functions that include stopping the vehicle.

Abstract: A method of processing data from a sensor, the method comprising: receiving first data; identifying an object by comparing the received first data with stored second data for a plurality of objects; determining a first processing strategy for one or more portions of the object in third data using the identification of the object, the third data being received from a sensor; and processing the determined one or more portions of the object in the third data using the determined first processing strategy.

Abstract: A pixel includes a photoelectric device, a current readout unit configured to detect an electric current flowing in the photoelectric device to generate an input voltage, an event determination unit configured to determine an event occurrence and an event type responsive to the input voltage, and configured to output an event detection signal, and an event output unit configured to store the event detection signal for an event-storage period and configured to output the stored event detection signal responsive to an expiration of the event-storage period.

Abstract: In some embodiments, a measurement system may include a time to digital converter (TDC) configured to determine a first digitized time at which it receives a command signal and a second digitized time at which it receives an alert signal. The first digitized time and the second digitized time may be determined for N number of iterations. The command signal may be delayed by a delay time, and the delay time may be varied for each of the N number of iterations. The measurement system may include a first dynamic photodiode (DPD) configured to switch from a reverse bias mode to an active mode based on the command signal. The TDC may calculate a difference between the first digitized time and the second digitized time for each of the N number of iterations, and the difference may vary as the delay time is varied.

Abstract: Embodiments are directed to an imaging apparatus, which in an embodiment includes a light source to provide light, optics, a translation mechanism and a detector. The optics include focusing optics to perform focusing of the light onto a non-flat focal surface and to direct the light toward a three dimensional object. The translation mechanism adjusts a location of at least one lens of the focusing optics to displace the non-flat focal surface. The detector measures intensities of returning light that is reflected off of the three dimensional object, wherein the intensities of the returning light are measured for a plurality of locations of the at least one lens for determination of positions of a plurality of points of the three dimensional object. Detected positions of one or more of the plurality of points are adjusted to compensate for the non-flat focal surface.

Abstract: Methods and systems for building and using a parameter isolation model to isolate measurement signal information associated with a parameter of interest from measurement signal information associated with incidental model parameters are presented herein. The parameter isolation model is trained by mapping measurement signals associated with a first set of instances of a metrology target having known values of a plurality of incidental model parameters and known values of a parameter of interest to measurement signals associated with a second set of instances of the metrology target having nominal values of the plurality of incidental model parameters and the known values of the parameter of interest. The trained parameter isolation model receives raw measurement signals and isolates measurement signal information associated with a specific parameter of interest for model-based parameter estimation.

Abstract: Processing logic makes a comparison between first image data and second image data of a dental arch and determines a plurality of spatial differences between a first representation of the dental arch in the first image data and a second representation of the dental arch in the second image data. The processing logic determines that a first spatial difference is attributable to scanner inaccuracy and that a second spatial difference is attributable to a clinical change to the dental arch. The processing logic generates a third representation of the dental arch that is a modified version of the second representation, wherein the first spatial difference is removed in the third representation, and wherein the third representation comprises a visual enhancement that accentuates the second spatial difference.

Abstract: Disclosed are apparatus and methods for characterizing a plurality of structures of interest on a semiconductor wafer. A plurality of spectra signals are measured from a particular structure of interest at a plurality of azimuth angles from one or more sensors of a metrology system. A difference spectrum is determined based on the spectra signals obtained for the azimuth angles. A quality indication of the particular structure of interest is determined and reported based on analyzing the difference spectrum.

Abstract: A lens edging system, including: a spectacle frame measurement device and an order-side terminal device disposed at a spectacle lens order side; and an order-receiving side controller disposed at a spectacle lens order-receiving side, wherein the order-side terminal device and the order-receiving side controller are connected to each other via a communication line, the system further including: an information memory part for storing and holding information regarding a shape of a probe in the spectacle frame measurement device as probe information; and an edging shape calculation part for performing data correction reflecting an abutting mode of the probe indicated by the probe information when lens edging shape data is created at the spectacle lens order-receiving side, wherein a suitable size correction can be performed even when a frame shape of any kind of a spectacle frame is measured by the spectacle frame measurement device by performing the data correction.

Abstract: A vehicle inspection or measurement method and system configured to utilize non-contact optical sensors to acquire images and measurement data associated with at least one vehicle wheel assembly as a vehicle moves through a field of view, and to evaluate the acquired image and/or measurement data to determine at least one dimension associated with an observed feature of the vehicle wheel assembly.

Abstract: A medical instrument has an elongated channel configured to support a staple cartridge, the staple cartridge comprising a plurality of staples. The medical instrument also has an anvil mechanically coupled to the elongated channel, wherein the anvil comprises an exterior surface extending between a proximal end and a distal end. In addition, the medical instrument has at least one electrical circuit at least partially positioned on the exterior surface of the anvil, an indicator system comprising at least one indicator, and a logic circuit electrically in electrical communication with the at least one electrical circuit and the indicator system, wherein the logic circuit is configured to activate the at least one indicator when an electrical continuity of the at least one electrical circuit is interrupted.

Abstract: A flexible display device and a method of driving a flexible display device are provided. The method of driving the flexible display device includes detecting a capacitance change with respect to at least some coordinates of a display area, determining whether bending is occurring through the detected capacitance change, and setting a driving mode in response to a result of the step of determining whether bending is occurring, wherein the driving mode is converted into a bending mode when it is determined that bending is occurring, and the driving mode is set into a force touch mode when it is determined that bending is not occurring.

Abstract: Driver assistance systems for detecting a structural barrier extending along a road. The driver assistance system may be mountable in a host vehicle. The camera may capture multiple image frames in the forward field of view of the camera. A processor may process motion of images of the barrier in the image frames. The camera may be a single camera. The motion of the images may be responsive to forward motion of the host vehicle and/or the motion of the images may be responsive to lateral motion of the host vehicle.

Abstract: A control apparatus acquires a group of images, including an image acquired by capturing an image of an object irradiated with first pattern light, an amount of the first pattern light changing periodically, in a predetermined direction, and an image acquired by capturing images of the object irradiated with second pattern light, an amount of the second pattern light changing periodically, in the predetermined direction, and having a phase difference from the first pattern light. The control apparatus also acquires one image by capturing an image of the object irradiated with third pattern light, that provides for identification of a position of at least one period, of a plurality of periods, included in one of the first pattern light and the second pattern light, and calculates a three-dimensional shape of the object based on the group of images and the one image, for each of a plurality of directions.

Abstract: An imaging system includes an optical unit that captures, from a scene, sets of first images as well as sets of second images. The scene is illuminated with non-structured light when the sets of first images are captured and illuminated with structured light when the sets of second images are captured. A pattern processing unit generates, from the second images, a recovered shadow pattern from a shadow pattern projected onto the scene during illumination with structured light, wherein at least one motion-compensated reference image is used. A depth processing unit obtains depth information on the basis of the recovered shadow pattern.

Abstract: An optical micro-projection system comprising the following components: at least one laser light source (200, 400, 402, 600); at least one movable mirror (102, 103, 203) for deviating light from said light source to allow generation of images on a projection surface (104, 301, 303, 306, 603); a self mixing module for measurement of the distance (604) between the projection source and a projection surface, said self mixing module comprising: —at least one photodiode (401, 601) for monitoring the light emission power of the laser light source; —an optical power variation counter for counting optical power variations (605); successive displacements of said mirror allowing the self mixing module providing successive projection distance measurements of a plurality of points of said projection surface. A projection method for optical micro-projection system and a distance measurement method are also provided.

Abstract: A system and method for obtaining a dimension measurement that conforms to a conformance criteria is disclosed. The dimensioning system provides either (i) feedback to confirm that the measurement complies with the criteria or (ii) information on how the measurement geometry could be adjusted in order to provide a compliant measurement in a subsequent dimension measurement.

Abstract: A method and system are presented for use in scatterometry analysis for a patterned structure. According to this technique, a model of a patterned structure is provided comprising 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. Each of the segment data pieces is processed for determining a matrix [?n] comprising Z-axis derivatives of electromagnetic fields' response of the segment to incident field based on Maxwell's equations' solution, and transforming this matrix [?n] into an approximated response matrix [?n] corresponding to the electromagnetic field interaction between two different points spaced along the Z-axis. The transformation is preferably carried out by a GPU, and comprises embedding said matrix [?n] in a series expansion of said matrix exponential term [?n].

Abstract: A method for exploring an installation space of an article includes acquiring a point cloud of an indoor space including a number of point data with three-dimensional scanning. The method also includes acquiring obstacle data and passage data from the point cloud. The method further includes exploring an installation space of the article to determine a space where an obstacle is placed in the obstacle data and a space where a passage is present, as a space where the article is allowed to be installed.

Abstract: A metrology system is presented for measuring parameters of a structure. The system comprises: an optical system and a control unit. The optical system is configured for detecting light reflection of incident radiation from the structure and generating measured data indicative of angular phase of the detected light components corresponding to reflections of illuminating light components having different angles of incidence. The control unit is configured for receiving and processing the measured data and generating a corresponding phase map indicative of the phase variation along at least two dimensions, and analyzing the phase map using modeled data for determining one or more parameters of the structure.

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

Abstract: A system and method for obtaining a dimension measurement that conforms to a conformance criteria is disclosed. The dimensioning system provides either (i) feedback to confirm that the measurement complies with the criteria or (ii) information on how the measurement geometry could be adjusted in order to provide a compliant measurement in a subsequent dimension measurement.

Abstract: A method and system determining texture data at least by performing fiducial point registration with a triggerable texture source and generating virtual objects and texture data based at least in part upon a fiducial point. Fiducial point registration textures a desired point with one or more projectors in response to the identification of a desired point in space, generates data with one or more projected patterns, determines a final location or depth of a point using the generated data, and registers the point as a fiducial point by groom a data structure based on a registration requirement pertaining to a distribution of fiduciary points and a requirement pertaining to machine recognition of physical objects. Virtual objects are generated relative to a real-world scene and the generated texture data-based at least in part upon the final location or depth of a fiducial point.

Abstract: The present disclosure discloses a method and apparatus for acquiring information. A specific embodiment of the method includes: collecting characteristic information of a road object, the characteristic information comprising: a position, in a world coordinate system, of laser points corresponding to the road object in a laser point cloud collected in an area where the road object is located, and a position in a reflectance map corresponding to a position of a control point of the road object in the world coordinate system; and determining whether a preset accuracy is acceptable based on a match between the characteristic information of the road object and a preset characteristic information of the road object, the preset accuracy comprising: a splicing accuracy of the spliced laser point cloud, an accuracy of the reflectance map, and an accuracy of the high-precision map.

Abstract: A solid-state imaging device includes n first photoelectric conversion elements configured to photoelectrically convert incident light, n first reading circuits configured to output corresponding first pixel signals, m second photoelectric conversion elements configured to photoelectrically convert incident light, m second reading circuits configured to sequentially output corresponding second pixel signals, and a reading control circuit, wherein each of the second reading circuits includes a detection circuit configured to output an event signal when a change in a second charge signal is detected and a pixel signal generation circuit configured to add address information to an event signal, and the reading control circuit causes the first pixel signal to be output by determining a reading region corresponding to address information, and n and m are natural numbers greater than or equal to 2.

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: [Object] To provide a shape measurement apparatus that, in measuring the unevenness shape of a measurement object by a light-section method, enables the shape of the measurement object to be measured precisely even when the distance between the measurement object and an image capturing apparatus fluctuates.

Abstract: The present disclosure illustrates a non-contact measurement device for a radius of curvature and a thickness of a lens and a measurement method thereof. The non-contact measurement device utilizes a non-contact probe to integrate a motor, an optical scale and an electronic control module, so as to achieve measurement for the radius of curvature and the thickness of the lens. The present disclosure adopts astigmatism to achieve fast and precise focusing. To overcome the spherical aberration problem, thickness measurement can be implemented by the non-contact measurement device through a formula calculation and utilization of a correction plate, wherein single one probe is used for the measurement herein. For the thicker lens, the non-contact measurement device can be extended to use dual probes, so as to detect the top and bottom sides of the lens.

Abstract: An initialization method including estimating a characteristic of a property of an object based on a plurality of measurements by the sensor of the property using a respective plurality of different measurement parameters, different ones of the measurements using different measurement parameters, the characteristic including a combination of respective outcomes of respective ones of the measurements weighted by a respective weighting coefficient; performing, for each of a plurality of models of the object, each model configured to enable respective simulation of the performing of the measurements, a respective simulation, the respective simulation including simulating the measurements under control of a respective plurality of different simulation parameters to obtain a respective plurality of simulated characteristics of the property, the different simulation parameters being indicative of the different measurement parameters; determining, for each of the models, a respective bias representative of a respect

Abstract: Embodiments for estimating a surface texture of a tooth are described herein. One method embodiment includes collecting a sequence of images utilizing multiple light conditions using an intra-oral imaging device and estimating the surface texture of the tooth based on the sequence of images.

Abstract: The system includes imaging unit which images a work space at a viewpoint position in a visual line direction of a worker together with an other component to which one component is to be installed, a position attitude information obtaining unit which obtains position attitude information which indicates relative position attitude relation between viewpoint of the worker and other component in the work space, a virtual image generating unit which generates virtual image of an actual shape of the one component at the viewpoint position in the visual line direction of the worker based on position attitude information, an image composing unit which generates composite image by superimposing virtual image on a real image in the work space imaged by the imaging unit, and display unit which displays composite image. According to the system, efficiency of component assembly work can be considerably improved by using mixed reality technology.

Abstract: An apparatus for inspecting a turbomachine includes a plurality of boroscopes, a device to rotate the rotor of the turbomachine and a processor having reference measurements of the rotor blades and/or reference measurements between the rotor blades and the boroscopes. A boroscope is inserted in a casing aperture upstream of the blades to view the leading edge and a portion of one of the surfaces of each blade as the rotor is rotated. A boroscope is inserted in a casing aperture downstream of the blades to view the trailing edge and a portion of one of the surfaces of each blade as the rotor is rotated. The boroscopes supply the images of each of the blades to the processor. The processor analyses the images of the blades and uses the reference measurements to determine the position and size of any defect on any of the rotor blades.

Abstract: A method for measuring and registering 3D coordinates has a 3D scanner measure a first collection of 3D coordinates of points from a first registration position. A 2D scanner collects horizontal 2D scan sets as 3D measuring device moves from first to second registration positions. A processor determines first and second translation values and a first rotation value based on collected 2D scan sets. 3D scanner measures a second collection of 3D coordinates of points from second registration position. Processor adjusts second collection of points relative to first collection of points based at least in part on first and second translation values and first rotation value. Processor identifies a correspondence among registration targets in first and second collection of 3D coordinates, and uses this correspondence to further adjust the relative position and orientation of first and second collection of 3D coordinates.

Abstract: A method and system are presented for use in controlling a process applied to a patterned structure having regions of different layered stacks. The method comprises: sequentially receiving measured data indicative of optical response of the structure being processed during a predetermined processing time, and generating a corresponding sequence of data pieces measured over time; and analyzing and processing the sequence of the data pieces and determining at least one main parameter of the structure.

Abstract: A measuring device and related methods include, in at least one aspect, a method for controlling a measuring device: including processing data providing information on a shape of the part to determine a set of suitable surface touch positions, the set of suitable surface touch positions being used to generate a first queue; instructing the measuring device to move at least one of one or more probes to each position listed in the first queue, and to take a surface touch measurement at each position; calculating a set of suitable edge touch positions based on the surface touch measurements, the set of suitable edge touch positions being used to generate a second queue of measurements; and instructing the measuring device to move the at least one of the one or more probes to each position listed in the second queue, and to take an edge measurement at each position.

Abstract: An image inspection apparatus includes a pattern light illuminating section configured to generate pattern light having a periodic illuminance distribution and irradiate the pattern light on an inspection target object, an imaging section including a plurality of image receiving elements arrayed in a line shape, a trigger signal transmitting section configured to transmit an illumination trigger signal to the pattern light illuminating section, and an imaging control section configured to control, on the basis of the illumination trigger signal, values of electric currents fed to light emitting diodes to thereby cause the pattern light illuminating section to generate a plurality of pattern lights, phases of illuminance distributions of which are shifted.

Abstract: A method of determining a silhouette of a remote object is disclosed herein. The method can include directing an array of telescopes at a star to sense an intensity of EM radiation over time and transmit signals corresponding to the intensity. The signals can be received at a computing device. Each signal can be indicative of a portion of an intensity diffraction pattern generated by an occlusion of the star by an occluding object. The signals can be combined to form a two-dimensional, intensity diffraction pattern. Each point on the intensity diffraction pattern associated with a time, a position of each telescope in the array, and an intensity of the sensed EM radiation. A silhouette of the occluding object can be determined based on the intensity diffraction pattern. A system for performing the method is also disclosed herein.

Abstract: Described herein are a system and methods for generating 3D models using imaging data obtained from an array of camera devices. In embodiments, the system may determine a depth or range between an object and the array of camera device. Based on this depth information, the system may automatically identify appropriate framing information for that array of camera devices based on operational constraints. One or more properties of the camera devices in the array of camera devices may then be adjusted in order to obtain image information in accordance with the identified framing information. The object may then be rotated in accordance with the operational constraints and the process may be repeated until a full set of images has been obtained.

Abstract: Provided herein is a delivery system, including: (a) an optical sensor configured to detect data to create a map of a patient bodily surface; and (b) a dispenser operatively associated with the optical sensor and configured to deliver compositions (optionally including cells) to the patient bodily surface based upon the data or map. Methods of forming a tissue on a patient bodily surface of a patient in need thereof are also provided, as are methods, systems and computer program products useful for processing patient bodily surface data.

Abstract: An optical system comprises a detector to determine one or more intensities of light impinging on one or more locations of the detector and an optical element to redirect light towards the detector along a detection axis. The detector and optical element are coupled together by three or more substantially flat flexures respectively defining three or more flexure planes parallel to the detection axis. The three or more substantially flat flexures prevent rotational movement of the optical element with respect to the detector with changes in temperature.

Abstract: The invention relates to a method for detecting deviations of an object surface using a comparison between measured data of the surface and specified reference data. A surface description, at least portions of which are parametric, is generated as a target surface model using the specified reference data, and the comparison is carried out using the target surface model and the measured data. The invention likewise relates to a device for detecting deviations of an object surface using a comparison between measured data of the surface and specified reference data.

Abstract: Provided is a chromatic confocal sensor including: a first light source that emits measurement light including a plurality of light beams having different wavelengths; a second light source that emits a visible light beam having a predetermined wavelength; an optical head that causes incident light to be converged at a focal position corresponding to a wavelength of the incident light and outputs reflection light reflected by an object to be measured at the focal position; a position calculation section that calculates a position of the object to be measured on the basis of the reflection light output by the optical head; and a switching section that selectively switches between a first operation in which only the measurement light enters the optical head and a second operation in which at least the visible light beam enters the optical head.

Abstract: The present invention provides a measurement apparatus for measuring at least one of a position and an attitude of a work using an image obtained by capturing the work onto which pattern light having periodically arrayed lines is projected, including a determination unit configured to determine, based on luminance information about a period direction of luminance unevenness generated, due to periodic shape unevenness of the work, in the image obtained by an image capturing unit, a base-line direction defined by a relative tilt direction between an optical axis of a projection unit and an optical axis of the image capturing unit with respect to the work so that a period direction of the pattern light is different from a period direction of the shape unevenness of the work.

Abstract: A microscope is disclosed, the microscope having a light source defining an optical axis along a Z direction and a detector disposed in X-Y direction, orthogonal to the optical axis, the detector configured to capture images of an object. The microscope includes a fluid channel having an inlet and an outlet configured with a fluid flow to transport the object from the inlet to the outlet. The detector is configured to capture a plurality of images of the object as the object moves from the inlet to the outlet. The plurality of images of the object may have different heights of the sample with respect to the detector as the sample flows through the channel. The channel may be tilted with respect to the optical axis. The detector may be tilted with respect to the optical axis.

Abstract: An optical sensor including an abutment part configured to abut one edge of an object to be measured, a wall extending along a side of the object to be measured and having a first opening to pass light emitted to the object to be measured, and a first concave portion formed between the first opening and the abutment part on a side of the wall to position the object to be measured. A paper-type discrimination device including the optical sensor, and a controller configured to discriminate a paper type of the object using the reflection light from the object measured by the optical sensor. An image forming apparatus including the optical sensor or the paper-type discrimination device.

Abstract: An apparatus and method for editing three-dimensional (3D) building data. The apparatus for editing the 3D building data includes an input unit configured to obtain 3D scan data of a building, and a processor configured to divide the obtained 3D scan data of the building in units of construction components.

Abstract: In some embodiments, a system for measuring surface features may include a patter projector, at least one digital imaging device, and an image processing device. The pattern projector may project, during use, a pattern of light on a surface of an object. In some embodiments, the pattern projector moves, during use, the pattern of light along the surface of the object. In some embodiments, the pattern projector moves the pattern of light in response to electronic control signals. At least one of the digital imaging devices may record, during use, at least one image of the projected patter of light. The image processing device which, during use, converts projected patterns of light recorded on at least one of the images to three-dimensional data points representing a surface geometry of the object using relative positions and relative angles between the at least one imaging device and the pattern projector.

Abstract: A vision sensor includes a sensor assembly and a dedicated microprocessor. The sensor assembly includes a pixel array and a lens assembly that is optically coupled with the pixel array. The lens assembly has an F#<2, a total track length less than 4 mm, and a field of view of at least +/?20 degrees. The dedicated microprocessor is configured to perform computer vision processing computations based on image data received from the sensor assembly and includes an interface for a second processor.

Abstract: Methods, apparatus, application specific integrated circuits (ASIC)s and other embodiments associated with analyzing a cancerous prostate using group-sparse non-negative canonical correlation analysis (GNCCA) with a variable importance in the projections (VIP) score are described. One example apparatus includes a set of logics that acquires a set of features from a plurality of feature views of a region of tissue demonstrating cancerous pathology, produces a ranked set of discriminative features using GNCCA with the VIP score, optimizes computation of the GNCCA using a vector-block coordinate descent (BCD) approach, and provides a prostate cancer (CaP) grade or a biochemical recurrence (BcR) score based on the set of discriminative features. Embodiments of example apparatus may generate and display the CaP grade, BcR score, or set of discriminative features.

Abstract: In an embodiment, a semiconductor structure includes a support substrate comprising a surface adapted to support epitaxial growth of a Group III nitride, one or more epitaxial Group III nitride layers arranged on the surface and supporting a plurality of transistor devices assembled upon the support substrate, and a test structure formed in a Group III nitride layer. The test structure includes a plurality of trenches configured to provide an optical diffraction grating when illuminated by UV light. The trenches have a parameter corresponding to a parameter of a feature of the transistor devices.