Abstract: There is provided detecting modification of optically active cellulose-based film. A method comprises split refracting or split reflecting light received by a surface pattern of an optically active cellulose-based film into a plurality of output light patterns, wherein an output light pattern is determined from the plurality of output light patterns on the basis of a modification applied to the optically active cellulose-based film.

Abstract: Disclosed are devices, components and methods associated with a body fluid analysis system, which, according to some embodiments, can be employed in at-home, clinical, medical office and outpatient settings and applications. The system can be configured to provide results within a short period of time after a body fluid sample has been acquired from a patient such as by a finger or skin prick. In some embodiments, a body fluid sample cartridge is configured for use in conjunction with a corresponding spectroscopic body fluid analysis device, where the cartridge comprises one or more body fluid dispersing sheets, layers or membranes. In some embodiments, the cartridge is configured to deliver and disperse a predetermined amount or volume of a body fluid sample taken from a human or animal onto, into, through or across the body fluid dispersing sheet, layer or membrane disposed within the cartridge for subsequent analysis of the body fluid sample by a corresponding spectroscopic device.

Abstract: A system for optimizing optics is provided. The system is configured to calibrate a position of a reference arm of an interferometric imaging system such that an image of a sample is visible when the sample is positioned at a working distance of an objective lens to provide an initial calibrated position. An image is obtained using the initial calibrated position. Image quality of the obtained image is assessed to determine if the obtained image is a valid image. A path length of the reference arm is adjusted if it is determined that the obtained image is not a valid image. A difference between the calibrated position of the reference arm and the adjusted position of the reference arm is calculated. System elements are adjusted based on the calculated difference such that the sample is visible when the sample is positioned at the working distance at the adjusted position.

Abstract: An arithmetic expression used for estimating a target item of a specimen is more easily incorporated into an optical measurement system. An optical measurement instrument includes an optical analysis unit configured to perform an optical analysis on a specimen and measure an intensity of light as a result of the optical analysis, and an arithmetic processing unit configured to download an arithmetic expression from a server device via a network, and perform a quantitative analysis on a target substance contained in the specimen by substituting the result of the optical analysis by the optical analysis unit into the arithmetic expression.

Abstract: In some embodiments, an authentication system may be configured to process one or more tokens that incorporates one or more tailored-wavelength-range coded patterns, codes represented within a steganographic image, or “overlapping” codes. As an example, such a token may include (i) one or more invisible-ink-printed patterns printed using infrared ink corresponding to different tailored wavelength ranges within the infrared light spectrum, (ii) one or more steganographic images in which invisible-ink-printed patterns are interweaved within the steganographic images, (iii) visible-ink-printed patterns and invisible-ink-printed patterns printed substantially within the visible ink portions of the visible-ink-printed patterns, or (iv) other features, where the invisible-ink-printed patterns correspond to one or more authentication codes or other data for token authentication.

Abstract: An apparatus for digitizing an optical signal comprises: an optical detector to detect an optical signal and to generate an electric signal corresponding to the optical signal; an envelope curve detector to determine the amplitude of the electric signal or a modified electric signal resulting from the electric signal, and to supply an amplitude signal corresponding to the amplitude; an analog to digital converter to digitize the amplitude signal and to supply a corresponding digitized amplitude signal; and a variable voltage source to calibrate the envelope curve detector.

Abstract: A light control device including a light control sheet including a light control layer switchable between at least a first state and a second state by changing alignment of liquid crystal molecules by application of a drive voltage, and transparent electrode layers sandwiching the light control layer. The light control layer is transparent in the first state and turbid in the second state. The light control layer is in the second state when there is no application of the drive voltage. When the light control layer is in the second state, the light control sheet has a transmitted image definition of 70% or less, where the transmitted image definition is based on JIS K 7374:2007 with an optical comb width set to 0.125 mm.

Abstract: An optical sorter includes a first light source disposed on a first side, a second light source disposed on a second side, an optical sensor configured to detect light during a plurality of scan periods including a first scan period and a second scan period, a determination part configured to determine a foreign object and/or a defective product, and a light source control part.

Abstract: Methods and systems are provided for a particulate matter sensor. In one example, the particulate matter sensor may include a light source, a waveguide aligned with the light source to receive incident light from the light source, and a photodetector positioned to receive light the incident light from the waveguide. The incident light may be reflected off a reflective surface of the waveguide more than one time to generate a plurality of evanescent waves. The plurality of evanescent waves may interact with particulate matter in exhaust gas, causing the incident light to be attenuated.

Abstract: The present invention proposes a fabric defect detection method based on multi-modal deep learning. First, a tactile sensor is placed onto the fabric surface with different defects to collect the fabric texture images, a camera is used to collect the corresponding fabric external images, and a fabric external image and a fabric texture image constitute a set of fabric detection data; then, a feature extraction network and a multi-modal fusion network are connected to establish a classification model based on multi-modal deep learning, which uses the fabric texture image and fabric external image in each set of collected fabric detection data as input, and the fabric defect as output; said classification model is trained using the collected fabric detection data; finally, the trained classification model is used to detect the fabric defect. The present invention employs vision-touch complementary information, which can greatly improve the accuracy and robustness of detection.

Abstract: A method for analysing a biological sample by means of an analysis instrument, the sample including biological agents and being arranged in an analysis receptacle in view of a holographic imaging system, the method including: acquiring a holographic image of the sample, the holographic image associating an intensity value with each pixel, determining, from the image acquired, an image mask which associates an active or inactive state with each pixel in accordance with the intensity values so that an inactive state is associated with pixels which correspond to artefacts caused by elements present in the field of view other than biological agents, determining a value of at least one biomass parameter which represents the quantitative spatial distribution of biological agents in the field of view, using only the pixels of the holographic image having an active state, and supplying the value of the biomass parameter from the analysis results.

Abstract: The present invention is an imaging system which includes an optional hand-held mobile device and software application that allows a user to scan and communicates data to secured third parties. The embodiment allows such devices to transmit and receive critical imaging information. The SYCLOPS™ system will provide statistical data analysis and broadcast secured information to users in a manner that have not been previously utilized.

Abstract: Described herein is a device for monitoring and drying and/or curing process of a coating composition applied at least partially onto at least one surface of a substrate, the device including a movable skid that includes at least one substrate holding unit, at least one lamp, at least one pattern holder including a pattern, and at least one camera, where the substrate holding unit, lamp and pattern holder are positioned on the skid relative to each other such that the light of the lamp can illuminate the pattern of the pattern holder, and the illumination can be projected onto the surface of the substrate, which is held by the substrate holding unit, and where the camera is positioned on the skid relative to the substrate holding unit holding the substrate, such that the camera is capable of recording images of the light reflected off the surface of the substrate.

Abstract: A flow cell includes a flow cell body. The flow cell body includes a frame and a fluid chamber defined in the flow cell body. The fluid chamber includes a reaction region allowing a fluid flow. A liquid inlet, a liquid outlet, and two exhaust holes connected to the fluid chamber are in the frame. Fluid into the liquid inlet flows through the reaction region in the fluid chamber and flows out through the liquid outlet. The exhaust holes discharge gas generated in the fluid chamber during the fluid flow. A flow cell with integral sealing rings and a biochemical substance reaction device are also disclosed.

Abstract: A calibration method of an optical coherence tomography (OCT) device and a camera using the same target includes irradiating a shape measurement light to a calibration target, obtaining a surface shape image thereof by detecting light reflected by a surface of the calibration target using a shape measurement camera, and calibrating the surface shape image according to an actual shape of the calibration target; obtaining surface and internal three-dimensional images of the calibration target by scanning with a layer measurement light using the OCT measurement unit, extracting a surface shape image of the calibration target from the three-dimensional images, and calibrating the surface shape image according to the actual surface shape of the calibration target; and matching a calibration image obtained by the shape measurement camera and a surface calibration image obtained by the OCT measurement unit to be displayed at the same spatial coordinates.

Abstract: A microscope is provided to measure HbA1c fraction. The microscope measures the HbA1c fraction of a single red blood cell (RBC) in a trace blood sample. The HbA1c fraction can be measured through a non-invasive way while the RBC flows in a human epidermal microvessel, too. The microscope comprises a laser device, an upright microscope, a light splitter, a light detector, and a mainframe. Unlike traditional methods, the HbA1c fraction can be measured in vitro or in vivo at the level of a single RBC. Accurate measurement is achieved. Misdiagnosis rate is reduced. The microscope provides HbA1c fractions from hundreds of RBCs, instead of averaging HbA1c fractions obtained from a large number of blood samples. Hence, the present invention is a method of detecting a HbA1c fraction of a single RBC, and is a microscope supporting blood-drawing measurement and non-invasive measurement simultaneously.

Abstract: A sunlight exposure indicator device is disclosed that can determine the amount of time (e.g., hours) of PAR sunlight that occurs in a specific area for the optimal growth of a plant, as corresponds to the plant industry common designations of Full Shade, Partial Shade, Partial Sun and Full Sun. These designations can be used to determine plant selection for all types of plants including grasses, shrubs, flowers, vegetables and herbs, and trees. This device utilizes irreversible, slow-reacting, photochromic pigments applied to a substrate. Using multiple instances of this device will allow someone to easily test and accurately determine the amount of PAR sunlight (hours) received during a one-day sunlight cycle in multiple spots simultaneously. The sunlight exposure indicator device is a one-time-use, non-electronic, disposable device.

Abstract: A measuring method includes storing thickness data of each of chips held on a holding surface of a holding table, the thickness data being obtained by measurement of thicknesses of portions of the chip at a plurality of measurement points and representing the thicknesses measured at the measurement points in association with positions of the measurement points in a predetermined plane corresponding to a reverse side of the wafer, storing positions of central lines of dividing grooves in the predetermined plane in captured images of reverse sides of the chips, setting, in a periphery of each of the chips, a thickness data unreferencing zone including measurement points where the thickness data will not be referenced in calculating the thickness of the chip, and calculating, for each of the chips, an average value of thicknesses at the measurement points except for the measurement points included in the thickness data unreferencing zone.

Abstract: Provided is a technology to properly display information onto a projection surface without depending on a distance image sensor, and directly project a wide range of information other than a survey setting point onto a construction site. A system includes: a projector including an inclination sensor and at least one reflector; a measuring device configured to measure a position of the reflector; a means having surface information; and a means configured for setting a distance between a projection surface onto which the surface information is projected and the measuring device in a normal direction, wherein the measuring device measures the reflector, and the surface information adjusted according to the distance in the normal direction is projected onto the projection surface.

Abstract: An optical apparatus evaluating method includes the steps of acquiring first data on a performance of an optical apparatus, which changes along with use of the optical apparatus, acquiring second data on a reference performance of the optical apparatus, and evaluating the performance of the optical apparatus using the first data and the second data.