Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

Abstract: Embodiments describe optical imagers that include one or more micro-optic components. Some imagers can be passive imagers that include a light detection system for receiving ambient light from a field. Some imagers can be active imagers that include a light emission system in addition to the light detection system. The light emission system can be configured to emit light into the field such that emitted light is reflected off surfaces of an object in the field and received by the light detection system. In some embodiments, the light detection system and/or the light emission system includes micro-optic components for improving operational performance.

Abstract: A breaker machine includes a power source, a tool holder arranged to receive a tool and a power driven striking mechanism arranged to strike a tip of the tool with a striking frequency on a hard surface. The breaker machine further includes control circuitry arranged to control an output from the power source and load detection means arranged to detect the load of the power source and transmit information relating to the detected load of the power source to the control circuitry. The control circuitry is arranged to receive information relating to a load of the power source, select a striking frequency based on the information relating to the load of the power source and to apply the selected striking frequency by ramping a current striking frequency to the selected striking frequency based on a predetermined ramping scheme by controlling the output from the power source.

Abstract: Methods are provided for in-situ detection of varnish and/or deposit precursors in a lubricant in a lubricating environment. An electrostatic accumulator can be used within a lubricating environment to enhance accumulation of varnish and/or deposit precursors on portions of the electrostatic accumulator. The deposits accumulated on the electrostatic accumulator can then be characterized in-situ. The potential difference across portions of the electrostatic accumulator can cause an enhanced rate of deposit accumulation on the electrostatic accumulator, which can facilitate characterization of the tendency of a lubricant to accumulate deposits in the lubricating environment.

Abstract: A 3D scanner system for detecting and/or visualizing cariogenic regions in teeth based on fluorescence emitted from said teeth, the 3D scanner system including data processing means configured for mapping a representation of fluorescence emitted from the teeth onto the corresponding portion of a digital 3D representation of the teeth to provide a combined digital 3D representation.

Abstract: A system and method for surface inspection of an object using optical coherence tomography (OCT) is provided. The method includes determining a first working distance; determining a first depth of field, based on the first working distance; changing the depth of field to the first depth of field; performing an A-scan of the object; moving the object; determining a subsequent working distance; determining whether the object is in focus at the subsequent working distance, if the object is not in focus: determining a subsequent depth of field based on the subsequent working distance; changing the depth of field to the first depth of field; and performing an A-scan of the object; and otherwise, performing an A-scan of the object.

Abstract: A housing (20) has a passage port (3) that serves as both the outlet for the illumination light (IL) to go out of the housing (20) toward a sample surface (S) and the inlet for the reflection light (RL) reflected on the sample surface (S) to enter the housing (20). A transparent member (19) is disposed at the passage port (3) to prevent dust including paper dust from entering the housing (20). A light quantity calculation unit (71) calculates the light quantity of light received by a light reception lens (33). A notification unit (81) performs a predetermined notification when the light quantity is less than or equal to a predetermined value.

Abstract: Disclosed are systems, devices, and methods for detecting characteristics of an unhatched egg. A set of images of an unhatched egg are obtained, where each of the spectral images is obtained in a particular wavelength range. The set of images is processed to extract image features, where the image features includes an image texture feature. The extracted image features are processed to classify the unhatched egg according to at least one characteristic. The at least one characteristic may include fertility and/or gender.

Abstract: Disclosed is a 3D scanner system for detecting and/or visualizing cariogenic regions in teeth based on fluorescence emitted from the teeth, said 3D scanner system including a data processor configured for mapping a representation of fluorescence emitted from the teeth onto the corresponding portion of a digital 3D representation of the teeth to provide a combined digital 3D representation.

Abstract: An apparatus for obtaining an image of a tooth having at least one light source providing incident light having a first spectral range for obtaining a reflectance image from the tooth and a second spectral range for exciting a fluorescence image from the tooth. A polarizing beamsplitter in the path of the incident light from both sources directs light having a first polarization state toward the tooth and directs light from the tooth having a second polarization state along a return path toward a sensor, wherein the second polarization state is orthogonal to the first polarization state. A first lens in the return path directs image-bearing light from the tooth toward the sensor, and obtains image data from the portion of the light having the second polarization state. A long-pass filter in the return path attenuates light in the second spectral range.

Abstract: Systems and methods that use interference signal from a sample tissue (e.g. retina) obtained in a self-referenced manner to obtain one or more characteristics about the sample tissue, such as thickness and intensity information, are discussed in the present disclosure. One example method of analyzing the sample tissue using an interferometry system includes illuminating the sample tissue with a beam of light using a spectrally broadband source. Scattered light signal is collected from the sample tissue at a detector. The signal results from optical interference between light scattered from multiple scatterers located at different depths in the tissue. The light signal is dominated by light scattered from a scatterer located within the bulk of the tissue. One or more characteristics of the sample tissue are determined based on the collected signal.

Abstract: Provided are methods and systems for concurrent imaging at multiple wavelengths. In one aspect, a hyperspectral/multispectral imaging device includes a lens configured to receive light backscattered by an object, a plurality of photo-sensors, a plurality of bandpass filters covering respective photo-sensors, where each bandpass filter is configured to allow a different respective spectral band to pass through the filter, and a plurality of beam splitters in optical communication with the lens and the photo-sensors, where each beam splitter splits the light received by the lens into a plurality of optical paths, each path configured to direct light to a corresponding photo-sensor through the bandpass filter corresponding to the respective photo-sensor.

Abstract: A method of spatially splitting a primary radiation beam (1) with a first radiation component (2) including an optical wavelength and a second radiation component (3) having a wavelength shorter than the first radiation component wavelength, said second radiation component (3) having a second or higher harmonic wavelength relative to the optical wavelength, comprises directing the primary radiation beam (1) onto a deflection mirror (10) having a reflective mirror surface (12) and carrying a refractive plate element (20), reflecting the first radiation component (2) at the reflective mirror surface (12) and reflecting the second radiation component (3) at an exposed plate surface (22) of the refractive plate element (20), wherein the reflected radiation components (4, 5) travel along different beam paths.

Abstract: The present invention relates to a device for determining the concentration of substances in fluid media.

Abstract: Provided is a wavelength distribution measuring apparatus (24), which includes a diffuser plate (52) for dispersing light beams radiated from an object to be measured (11) and a light beam homogenizing optical element (53) for reflecting, by the side surface (53b), at least part of the light beams dispersed by the diffuser plate (52) so that the light beams approximate to the direction of the perpendicular of a light receiving surface and also for guiding the light beams to the light receiving surface, and an optical receiver (56) including a plurality of light receiving elements for detecting the light beams, the light receiving elements being different from one another in spectral sensitivity characteristic. With this configuration, substantially parallel light beams radiated from the object to be measured (11) are homogenized at the light receiving surface including the periphery of the light receiving surface.

Abstract: Apparatus for inspecting product pieces in a product stream comprising a system for creating a stream of product pieces for delivery in free flight at a viewing station, first light means for illuminating the viewing station from one side with light for reflection from product therein, second light means for illuminating the viewing station from the other side with light for reflection from product therein, a scanning system for receiving light from the first and second illuminating means reflected from product pieces in the viewing station and transmitted across the viewing station, and means for activating the first and second light means alternately in first and second scanning phases to successively illuminate a product stream at the viewing station.

Abstract: An apparatus for securing a diagnostic tool proximate to and in front of a display device between the corners thereof. A harness is adapted to releasably hold the diagnostic tool, a restraining bracket extends from the harness, and there is at least one elastic cord having a first end, an intermediate portion and a second end. The cord is threaded through the restraining bracket and is sized so as to impart elastic tension to the corners of the display device while concomitantly protecting the front surface from pressure due to the position of the harness and diagnostic tool.

Abstract: A sample information input unit obtains spectral reflectances of color patches formed on a medium from a measuring device or storage unit. A media characteristic input unit inputs bi-spectral radiance factors of the medium from the storage unit. A computing unit computes bi-spectral radiance factors of the color patches based on the spectral reflectances of the color patches obtained by the sample information input unit and the bi-spectral radiance factors of the medium input by the media characteristic input unit.

Abstract: An apparatus for determining a substrate is provided, including a light emitting unit, a light receiving unit, a memory unit, and a control unit. The light emit light is configured to emit light onto one surface of the substrate. The light receiving unit is configured to receive light reflected from the one surface of the substrate, and to detect optical information. The memory unit is configured to store the optical information of the received light and a reference value. The control unit is configured to determine whether the one surface of the substrate is a first surface or a second surface of the substrate by comparing the optical information and the reference value.

Abstract: The present technology provides a color-sensing device that includes an electrically-conductive substrate and a bulk heterojunction (BHJ) polymer layer formed on the substrate. The color-sensing device is configured to detect a first color of two colors and produce a first electrical signal that includes a first current response indicating detection of the first color. The color-sensing device is further configured to detect a second color of the two colors and produce a second electrical signal that includes a second current response indicating detection of the second color.

Abstract: This invention provides a novel methods and devices for measurement of particle concentration or changes in particle concentration over a wide linear range. The invention comprises one or more radiation sources and one or more detectors contained in a housing which is interfaced to a medium containing particulate matter. The one or more radiation sources are directed into the medium, scattered or transmitted by the particulate matter, and then some portion of the radiation is detected by the one or more detectors. Methods for confining the measurement to a specific volume within the medium are described. Algorithms are provided for combining the signals generated by multiple source-detector pairs in a manner that results in a wide linear range of response to changes in particle concentration. In one embodiment the sensor provides non-invasive measurements of biomass in a bioreactor. In another embodiment an immersible probe design is described, which may be suited for one-time use.

Abstract: A system for evaluating the susceptibility of a soybean plant to iron deficiency chlorosis is described. Soybean plants are planted in range and rows multiple micro-plots and a cart is used to pass a radiometric sensor over the micro-plots. The cart may have a sensor housing that is divided into multiple partitions with a radiometric sensor assembly positioned within each partition. Each sensor assembly generates a data signal and a computer receives and stores the data signals. The field cart is positioned above the range. The number of partitions corresponds to the number of rows in the range and each sensor assembly is positioned above a single row.

Abstract: An optical imaging system for use with an infusion tube including: at least one light source for emitting at least two of first, second, or third spectrums of light; an optics system including a single lens for receiving and transmitting at least two of the first spectrum light transmitted through a first portion of the chamber, the second spectrum light transmitted through a second portion of the chamber, or the third spectrum light transmitted through a third portion of the chamber. The system includes a sensor receiving the at least two of the spectrums from the lens and generating and transmitting data characterizing the at least two of the spectrums. The system includes a memory element storing computer readable instructions and a processor to execute the instructions to generate, using the data, at least two of first, second, or third images of the first, second, and third portions, respectively.

Abstract: An optical reader for interrogating an optical analyte sensor includes a housing, comprising in its interior: at least one light source, a detector, and a programmable logic device. The housing has a registration feature configured to align the optical reader with an optical analyte sensor. Methods for confirming alignment of such optical readers are also disclosed.

Abstract: A sensor system for determining an optical property of a plant by means of a reflection measurement, having a first light source, which emits light along a first beam axis, and a second light source, which emits light along a second beam axis, and at least one receiver, which is aligned along a third beam axis, to detect light reflected from the plant. The first light source, the second light source, and the receiver are arranged relative to one another so that a target cylinder, which respectively extends along the first beam axis and the second beam axis, and a first measuring cylinder, which extends along the third beam axis, at least partially overlap one another in a measuring space, and the first beam axis and the second beam axis respectively enclose an angle (?, ?) with the third beam axis. Related methods are also disclosed.

Abstract: A system and method for distributing candidate motion vectors divides a picture frame (110) into a plurality of segments (120), where each segment (120) includes a plurality of pixel blocks (130). The local motion complexity of each segment may then be measured by determining a Sum-of-Absolute Differences (SAD) between pixel blocks (130) of the frame (110a) and pixel blocks (130)of an adacent frame (110b) and summing the SAD values for the pixel blocks (130) within each segment (120). The maximum, minimum and average SAD value for the segments may be used to define a distribution function that distributes candidate vectors to conform with a desired maximum, minimum and average number of candidate vectors per block. This distribution function is then used to determine the number of candidate vectors to assign to pixel blocks (130) based on the measured SAD value of the associated segment (120).

Abstract: A method for representing the structural information in a biological or physical sample is disclosed. In this method, a time-frequency representation of the spatial distribution within a sample is transformed into a color representation of the data. Furthermore, due to the directional sensitivity of the method for gathering the data, information about the structural anisotropy of the sample can also be encoded from the data. The application of this method to one or more regions within the sample enables a map to be generated which clearly illustrates quantitative measures of the structures present.

Abstract: The optical assemblies disclosed herein advantageously utilize a beamsplitting apparatus in association with (i) the illumination path or (ii) the collection path of a color measurement instrument. Thus, the beamsplitting apparatus may be configured to spectrally divide one or more initial beams of light to emit a plurality of resultant beams of light, wherein the optical assembly is configured to illuminate a target using at least a first and second of the plurality of resultant beams. Alternatively, the beamsplitting apparatus may be configured to spectrally divide light received from a target to emit a plurality of resultant beams of light, wherein the optical assembly is configured to detect at least a first and second of the plurality of resultant beams of light. Advantageously, each of the first and second resultant beams is a product of a distinct set of one or more spectral constraints exacted by the beamsplitting apparatus.

Abstract: Light is collected from a sample that is to be imaged, such as tissue or the like, and made to undergo self-interference, e.g., on a detector. An imaging system may include a low coherence light source arranged for illuminating the sample, and an interferometer arranged to receive the light collected from the sample and to pass it to a detector. The interferometer includes a beam divider that directs the radiation collected from the sample along two paths, phase-delaying one beam relative to another and then recombining the beams on a detector. A processor may be coordinated with the phase delay and in some embodiments with spatial scanning or detector array addresses, and operates on the signal from the detector to form a tomographic image of the sample illuminated tissue.

Abstract: An apparatus and method provide measurement of a constituent of a fluid, such as ozone in ozonated water. The apparatus includes a vessel to contain the fluid, a light source configured to direct a first band of light and a second band of light along a substantially shared path though the fluid, and a photosensor that senses the first band of light and the second band of light. The constituent has a greater absorption associated with the first band of light than with the second band of light. The method includes modification of a measured attribute of the component in response to the sensed second band of light to improve the accuracy of the measured attribute.

Abstract: A spectrophotometer includes a plurality of LEDs arranged in a circular array, each having a calibrated power input determined by the use of pulse width modulation and each having a unique wavelength band determined by the utilization of a unique fluorescent phosphor coating or lens. At least one of the LEDs comprising a phosphor-free high energy UV LED. Light reflected to the spectrophotometer is divided into predetermined wavelength ranges through the utilization of a linear variable filter and photo detectors wherein the analog signal from a photo detector is converted to a digital value through the use of auto-ranging gain technique.

Abstract: Emitting illumination light and auxiliary light having a wavelength range different from that of the illumination light onto an observation target simultaneously, obtaining an image formed of reflection light of the illumination light and reflection light of the auxiliary light reflected from the observation target, calculating, with respect to each pixel of the obtained image signal, estimated spectroscopic data in the wavelength range of the auxiliary light using a value of the image signal and estimated matrix data in the wavelength range of the auxiliary light stored in advance, obtaining quasi reflectivity information reflecting a reflectivity of the observation target in the wavelength range of the auxiliary light based on the estimated spectroscopic data in the wavelength range of the auxiliary light, and generating a special image based on the quasi reflectivity information.

Abstract: A fiber instrument for measuring properties of a fiber sample, the fiber instrument having a surface for receiving the fiber sample, a hand for pressing the fiber sample against the surface, an illumination source for selectively illuminating the fiber sample with more than one peak wavelength, where each of the peak wavelengths is independently controllable as to an applied intensity of the peak wavelength, a sensor for capturing images of the fiber sample while it is illuminated, and a controller for controlling at least the sensor and the illumination source. By providing multiple peak wavelengths of illumination that are each independently controllable as to illumination intensity, the fiber instrument as described herein is better able to detect both foreign material within the fiber sample, and color gradations of the fiber sample.

Abstract: The optical assemblies disclosed herein advantageously utilize a beamsplitting apparatus in association with either (i) the illumination path or (ii) the collection path of a color measurement instrument. For implementations involving the illumination path, the beamsplitting apparatus may be configured to spectrally divide one or more initial beams of light so as to emit a plurality of resultant beams of light, wherein the optical assembly is configured to illuminate a target using at least a first and a second of the plurality of resultant beams of light. Similarly, for implementations involving the collection path, the beamsplitting apparatus may be configured to spectrally divide light received from a target so as to emit a plurality of resultant beams of light, wherein the optical assembly is configured to detect at least a first and a second of the plurality of resultant beams of light.

Abstract: A recording apparatus includes a colorimeter that obtains color measurement data from a recording surface of a recording material, a colorimeter holder that holds the colorimeter, a colorimeter carriage that reciprocates the colorimeter holder on a retainer member that holds the recording material during color measurement, and a link mechanism that links the colorimeter holder and the colorimeter carriage. The colorimeter holder is linked by the link mechanism rotatably by a predetermined angle around a first axis along the reciprocating direction on the retainer member, and rotatably by a predetermined angle around a second axis along the surface of the recording material held by the retainer member and perpendicular to the reciprocating direction.

Abstract: Methods in a spectral measurement apparatus are disclosed. Light is received with a plurality of sensors. Each sensor generates an output signal having a frequency proportional to an intensity of light received by the sensor. First, second and third signals are generated each having a frequency proportional to an intensity of light received by a sensor of a wavelength or spectral band. A spectral characteristic of the received light is determined based on at least the first, second and third signals, which are are coupled to a processing element and input in parallel. The spectral characteristic is determined based on measuring a frequency or period of the at least first, second and third signals. Spectral data based on the determined spectral characteristic is generated by the processing element and displayed on a display device for perception by a viewer or transmitted to a data interface for transmission to an electronic device external to the spectral measurement apparatus.

Abstract: A system (10) for multispectral imaging includes a first optical filter (24, 20) having at least two passbands disposed in different spatial positions on the first optical filter, a second optical filter (20, 24) having another at least two passbands, and processor (32) adapted to identify an intensity of light in the at least two passband of the second optical filter

Abstract: The invention describes a method of controlling the color of the light output of a lamp (1), which method comprises electronically collecting color data pertaining to a first color (C1) to obtain a first color description (D1), electronically collecting color data pertaining to a second color (C2) to obtain a second color description (D2), and combining the first color description (D1) with the second color description (D2) to obtain a target color description (DT). The target color description (DT) is transferred to a control unit (4) of the lamp (1), and the lamp (1) is driven according to the target color description (DT) to give a target color light output. The invention also relates to a system (3) for controlling the color of the light output of a lamp.

Abstract: A highly sensitive fluid composition analyzer where a fluid may be placed in contact with a very small area on a material sensitized to change color in the presence of a specific type of compound, to be impinged with light. The light reflected, transmitted and/or scattered by the material may serve as input for the analyzer electronics. The fluid may be pre-concentrated prior to being brought in contact with the material. The area on the material may be a spot having an outside dimension of less than one millimeter.

Abstract: An apparatus and method provide measurement of a constituent of a fluid, such as ozone in ozonated water. The apparatus includes a vessel to contain the fluid, a light source configured to direct a first band of light and a second band of light along a substantially shared path though the fluid, and a photosensor that senses the first band of light and the second band of light. The constituent has a greater absorption associated with the first band of light than with the second band of light. The method includes modification of a measured attribute of the component in response to the sensed second band of light to improve the accuracy of the measured attribute.

Abstract: Broadband light, for example, from a Fabry-Perot quantum cascade laser, is shone onto a sample, and spectral data concerning the broadband light reflected from the sample is collected. The spectral data is analyzed to determine information about one or more substances in the sample. For example, if the sample contains micro-organisms, such as bacteria or fungus, the biological classification(s) (e.g., species) of the micro-organisms can be determined from the spectral data. As another example, if the sample contains virus, the biological classification(s) (e.g., species) of the virus(es) can be determined from the spectral data. As yet another example, if the sample contains particles, size, location and velocity can be determined from the spectral data.

Abstract: An imaging system for imaging of a turbid medium comprises a radiation source to illuminate an object to be imaged. A detection system detects radiation from the object and includes a separation module which separates and distinguishes radiation components having respective wavelength ranges. An analysis module forms a comparison of respective radiation components. An image dataset is reconstructed on the basis of the comparison of respective radiation components. The comparison may involve the ratio of the levels of the high-wavelength radiation component to the low-wavelength radiation component, the relative difference of the levels of high-wavelength radiation component to the detected radiation, and the relative difference of the levels of the high-wavelength radiation component to the low-wavelength radiation component.

Abstract: An apparatus for obtaining images of a tooth comprises at least one image sensor disposed along an optical axis to take polarized reflectance image and fluorescence image, at least one broadband illumination apparatus for reflectance imaging, and a narrow-band ultraviolet illumination apparatus for fluorescence imaging. In order to remove the specular reflection, one or more polarization elements are disposed along the optical axis. A filter is disposed along the optical axis to block narrow-band ultraviolet light, and a switch for selecting one of the operation modes.

Abstract: A method for representing the structural information in a biological or physical sample is disclosed. In this method, a time-frequency representation of the spatial distribution within a sample is transformed into a color representation of the data. Furthermore, due to the directional sensitivity of the method for gathering the data, information about the structural anisotropy of the sample can also be encoded from the data. The application of this method to one or more regions within the sample enables a map to be generated which clearly illustrates quantitative measures of the structures present.

Abstract: A method measures chromaticity values using a colorimeter to solve the drawbacks of conventional technologies, such as an inaccurate illuminant, the filter of color-matching function being difficult to be deposited and manufactured within a filter mod colorimeter, and using an expensive spectrometer within a spectrum mode colorimeter. The spectrometer and the filter of color-matching function is not needed, and an accurate chromaticity value of an object by using a multi-band illuminant illuminating the object and a power meter. Further, the multi-band illuminant can adjust the illumination condition of a standard illuminator under different color temperatures, and the chromaticity values of the object can be measured under different color temperatures. The accuracy of the measured chromaticity values is up to the level of the spectrum mode colorimeter, and the price is less than the spectrum mode colorimeter.

Abstract: A control station for a printing press, includes at least one true color monitor for displaying at least one soft proof serving as a color reference for printed copies printed during the printing process, and at least one standard light source for at least partial illuminating the control station to allow visual comparison, independent of room lighting, of a printed copy with the soft proof serving as the color reference. The luminosity produced by the at least one standard light source is variable, so that the luminosity produced by the at least one standard light source can be adjusted to match a brightness achievable on the true color monitor to match a contrast achievable on the true color monitor during the display of the soft proof.

Abstract: A method includes generating at least one first light beam and generating at least one second light beam and at least one third light beam using the at least one first light beam. The at least one first light beam has a plurality of first regions, the at least one second light beam has a plurality of second regions, and the at least one third light beam has a plurality of third regions. Each of the first, second, and third light beams has at least two regions that are spectrally different. The method also includes measuring a spectrum in each of a plurality of first wavelength bands for each of the second regions. The method further includes illuminating at least part of an object with the at least one third light beam to produce at least one fourth light beam. The at least one fourth light beam has a plurality of fourth regions, where at least two of the fourth regions are spectrally different.

Abstract: An optical cracked-grain selector that does not mistakenly identify normal grains of rice having no cracks as cracked grains due to the presence of the embryonic portion and/or surface scratches when optically identifying cracked grains of rice mixed in with material rice grains. An identification part in a cracked grain identification unit obtains a first rice grain image (having an embryonic portion and scratches) based on light passed through the rice grain that is received by a first CCD sensor built into a CCD camera of a photoreaction detection unit and a second rice grain image (having cracks, an embryo portion and scratches) based on light passed through the rice grain received by a second CCD sensor built into the CCD camera, acquires an image of the cracks by calculating a difference in the amount of light between the two rice grain images, and identifies a cracked grain.

Abstract: A scanner device includes a color measuring, a support surface for a measured object and a drive unit for moving the measuring head across the support surface and for adjusting the height of the measuring head in a direction perpendicular to the support surface. The measuring head is equipped with an illuminating channel and a collection channel. The illuminating channel has a light source and optical means for illuminating the measured object at a measurement site at a mean angle of incidence of 45°. The collection channel has optical means for capturing light emanating from the measured object at the measurement site at a mean collection angle of 0° and coupling it into a light guide, which directs the captured light to a wavelength-selective photoelectric transformer, which resolves it into a number of wavelength ranges and generates an electric measurement signal corresponding to each wavelength range.

Abstract: A method for matching colour properties and texture properties of a repair paint to colour properties and texture properties of a paint film on a substrate to be repaired is provided. In the method, the texture of the paint film is imaged with a digital imaging device, the imaged texture is analyzed using image analysis software, texture data is calculated, and the repair paint is formulated on the basis of the concentrations of paint modules, wherein each paint module is associated to specified texture data and colour data.