A camera system includes memory, image sensors, illuminators, and a processor. The processor operates the illuminators and the image sensors in a first mode to capture a two-dimensional image of the scene using light transmitted by the illuminators and reflected from the scene. The processor operates in a second mode to capture a plurality of images of the scene, including capturing a first image of the scene while one or more of the illuminators are activated and capturing a second image of the scene is while none of the illuminators are activated. The images are transmitted to a remote cloud computing system. The remote system constructs a light intensity map for the scene using the first and second images, and identifies a first region in the light intensity map as a glass surface when the light intensity values for the first region are below a threshold value corresponding to glass.

Optoelectronic systems include an array of optoelectronic modules and a computational unit. The array of optoelectronic modules and the computational unit are operable to collect data of a user of the optoelectronic system. The data can be used, for example, to authenticate the identity of the user by being used in multiple user authentication protocols. In some instances, facial recognition data can be augmented with three-dimensional data of the user and can be combined with iris recognition data to authenticate the identity of the user. Such optoelectronic systems can comprise hardware authentication systems external to auxiliary devices such as tablet computers and laptop computers.

A wound assessment method which can estimate a moisture level of the wound, and related image capture device. The wound area is imaged at least twice where the wound is illuminated under different illumination light intensities. The first image captured using a relatively low illumination light intensity is analyzed to assess the wound, for example measuring its size, color and texture. The second image captures using a relatively high illumination light intensity (e.g. using a flash) is analyzed to estimate the moisture level of the wound. The moisture level estimation method extracts white connected components from the second image, and estimates the moisture level based on the number, sizes, and centroid distribution of the white connected components. A 3D image of the wound may also be captured, e.g. using a structured-light 3D scanner of the image capture device.

An optoelectronic device includes a semiconductor substrate, an array of optical emitters arranged on the substrate in a two-dimensional pattern, a projection lens and a diffractive optical element (DOE). The projection lens is mounted on the semiconductor substrate and is configured to collect and focus light emitted by the optical emitters so as to project optical beams containing a light pattern corresponding to the two-dimensional pattern of the optical emitters on the substrate. The DOE is mounted on the substrate and is configured to produce and project multiple overlapping replicas of the pattern.

A three-dimensional scanning device including: a projection unit for projecting a wide-area pattern and a local pattern on an object to be measured; an image acquisition unit for acquiring an image of the object on which the wide-area pattern and the local pattern are projected; a detection unit for detecting the locations of a plurality of first IDs that are identifiers formed in the shape that can be distinguished utilizing image information in a space within a certain range in the image of the object, on which the wide-area pattern is projected, acquired by the image acquisition unit; a collection unit for collecting data on a brightness value within a predetermined certain distance with respect to the center point of the detected first ID; and an operation unit for determining a first ID value of the first ID using information of the collection unit.

A structure light module comprises: a VCSEL substrate comprising a VCSEL array comprising a plurality of individual VCSELs; a first spacer disposed on the VCSEL substrate; a wafer level lens comprising a glass substrate and at least a replicated lens on a first surface of the glass substrate disposed on the first spacer; a second spacer disposes on the wafer level lens; a DOE disposed on the second spacer, where a structure light is projected from the DOE on a target surface for 3D imaging.

The present invention relates to a method for extracting morphological characteristics from a sample of biological material, in particular fingerprints, especially internal or external fingerprints, using an optical coherence tomography acquiring system delivering a signal representative of the sample, in which method an image containing intensity data and an image containing phase data are formed from at least the signal delivered by the acquiring system and representative of the sample, in order to extract the morphological characteristics from the sample.

A method for generating a 3D combined model that represents a scene includes acquiring the coordinates in an external geodetic frame, acquiring at least one 3D primary model representing the scene, which model includes primary model elements, oriented in the geodetic frame. The primary model elements are assigned measured primary physical property values in the form of coordinates in a local three-dimensional coordinate system of the corresponding point. The method further includes generating a 3D secondary model representing the scene, wherein at least some secondary model elements are assigned coordinates in the local coordinate system and at least one secondary physical property value. At least some secondary model elements are assigned coordinates in the external geodetic frame. The primary and at least one secondary model are then combined. Also disclosed are a related system and reference members for use in the system.

A scanner system is configured for acquiring three dimensional image information of an object. The scanner includes a projector, a camera, a graphics processing device, and a processor. The projector projects one of several pre-defined patterns upon the object. The camera captures an image from the object, which is received by the processor. The processor approximates mutual information from the object and the pattern using the graphics processing device, and selects a second pattern for projecting on the object.

A laser source for use in a structured light projector includes a substrate, one or more first VCSELs on the substrate, and one or more second VCSELs on the substrate. The one or more first VCSELs each have a first aperture width and each separately extend above a surface of the substrate. The one or more second VCSELs each have a second aperture width different from the first aperture width, and each separately extend above a surface of the substrate. Using an array of VCSELs with different aperture widths provides emitted radiation having different wavelengths, thus providing different speckle patterns. When the different speckle patterns are averaged upon being received at the detector, speckle noise is reduced. The VCSEL can also include a plurality of subwavelength structures to steer the light output. Such subwavelength structures can also be used on the surface of other VCSELs, including standard VCSELs.