27results about "Method using image detector and image signal processing" patented technology

An insect monitoring system for luring and capturing insects including a digital camera with dual UV and white LEDs and a processor configured to acquire visual insect data to recognize insect species in conjunction with previously tagged insect groups; and evaluate insect migration and / or dispersion within a habitat range. A method utilizing UV tagging mechanisms for monitoring and predicting insect migration and / or dispersion including providing insect monitoring stations for collecting data indicative of a previously tagged insect groups' presence within a habitat range, providing the data to a server, retrieving previously received data, and determining a change in the data to provide historical, real-time, and predictive information to a user.

An image spectrum technology-based geological sketching method, including: based on collected image-spectrum data information of a tunnel face, extracting mineral end members and spectrum to determine types and contents of minerals, extracting texture features and feature waveband spectrums to determine stratum lithology, extracting crack features and identifying crack fillers to obtain a crack identification result; obtaining degrees of crushing of surrounding rocks according to numbers and relative areas of cracks; analyzing weathering variation proportions of minerals according to stratum lithology and mineral analysis result for surrounding rocks, acquiring color differences between different degrees of weathering according to spectral color difference identification results, obtaining degrees of weathering of the surrounding rocks; identifying water outflow form and water outflow position of tunnel face to be detected; and obtaining a geological sketch map for the tunnel face by performing labeling and summarization by using different labeling symbols according to the results.

The present invention provides a method for providing a rebar arrangement state, which provides an arrangement state for a plurality of rebars by inputting a rebar image to a pre-trained space detection model to estimate mask regions corresponding to spaces between the plurality of rebars to obtain a plurality of mask regions, classifying the plurality of mask regions into a similar group and a unsimilar group on the basis of similarity in size between the plurality of mask regions, and displaying the plurality of mask regions corresponding to at least one of the similar group or the unsimilar group in the rebar image.

A method for monitoring and controlling multi-phase condition of reactant in manufacturing process is provided. The monitoring and controlling method includes the following steps. A plurality of clusters of monitoring images is captured corresponding to a plurality of process reaction time points in a plurality of observation regions. According to the clusters of the monitoring images, a plurality of image index features is extracted. According to the image index features, a plurality of phase modes corresponding to the observation regions is determined. According to the image index features, a cluster of generation characteristics of the reactant corresponding to the phase modes is determined. According to the cluster of generation characteristics, an adjustment of the manufacturing process is performed.

Methods and systems configured to measure content of a target substance in a fluid sample using a refractometer including a light source and a light sensor. A method includes: calibrating the refractometer by identifying a calibration pixel pattern of first pixels of the light sensor illuminated by light from the light source that has reflected off a sensing surface of a container including a reference fluid having a known reference density; identifying a blood pixel pattern of second pixels of the light sensor illuminated by light from the light source that has reflected off the sensing surface when the fluid sample is present in the container; identifying a pixel shift distance along the light sensor from the calibration pixel pattern to the fluid pixel pattern; and determining the content of the target substance in the fluid sample based on the pixel shift distance.

The application discloses an in-situ optical-Raman-mass spectrum combined characterization system and method, and belongs to the technical field of in-situ characterization. The system mainly comprises a gas inlet unit, an in-situ electrochemical reaction cell (in-situ cell) and a gas outlet unit. In the in-situ cell device, from top to bottom, there are an optical window, an electrode one, a diaphragm rich in electrolyte, an electrode two and a gas inlet and outlet pipeline. According to different test purposes, the positions of the working electrode and the counter electrode (reference electrode) can be flexibly exchanged, and the working electrode can be close to the optical window or away from the optical window. The device is in a closed environment, can be tested under atmosphere control conditions, and can collect and analyze products in time. The application can realize in-situ optical microscope imaging, Raman and mass spectrum characterization, can simultaneously capture electrochemical signals-optical microscope imaging signals, electrochemical signals-Raman signals and electrochemical signals-mass spectrum signals, and has potential application value in the fields of energy and catalysis.

An apparatus (100) arranged to determine the quality of a lateral flow stick (110b) disposed on a carrier (120) in order to determine biomarkers in milk of an animal (301). The apparatus (100) comprises a camera (130) for capturing an image (200) of the lateral flow stick (110b), a marker (140) arranged to apply a visual indication (180) indicating the quality of the lateral flow stick (110b) on the lateral flow stick (110b) or the carrier (120), and a controller (150). The controller (150) is configured to obtain the image (200) of the lateral flow stick (110b), perform image processing of the image (200), determine the quality of the lateral flow stick (110b) based on the image processing, and apply the visual indication (180) via the marker (140). Also disclosed is a method (400) on a farm for inspecting the quality of the lateral flow stick (110b) by detecting the provided visual indication (180).

The present invention relates to a method for examining bodily fluids, and includes the steps of: grasping the ROI region for each sperm in each of the set n video frames; reducing the brightness of the video in each of the n video frames to a set value; creating a single cumulative video frame by accumulating the images of each sperm within the n video frames; grasping the region of the migration path for each sperm in the cumulative video frame; calculating the size of the migration path region for each sperm and determining its activity based on the calculated size; and calculating the ratio of the width to the height of the rectangle surrounding the migration path region for each sperm and determining its straight-line movement based on the calculated width to height ratio.

Methods and systems for physical expansion and imaging of biological samples are described herein. In one aspect of the disclosure, a method for preparing a biological sample for the purpose of generating images of its ultrastructure with an imaging instrument includes a) physically expanding the sample by at least a factor of two in at least one dimension; and b) bulk labeling a plurality of components of the sample with at least one reagent to introduce contrast.

Embodiments of the present application relate to the field of analyzing materials by optical means, and particularly to a method for determining hyperspectral images of a core half-cylinder. The method provided by the embodiments of the present application calibrates a spectral imaging device and a depth imaging device, and associates the depth values and spectral pixel data obtained by the two imaging devices, so as to determine the accurate transformation relationship between the three-dimensional coordinates obtained by the depth imaging device and the two-dimensional pixel coordinates obtained by the spectral imaging device, to realize spatial registration and fusion of core data collected by different devices, and to facilitate subsequent unified analysis of various core data. The real-time collection of hyperspectral data and depth data of the core half-cylinder by the two imaging devices can provide a reference for core curved surface identification and scanning area positioning, and can also assist in the correction of reflectivity data of the core half-cylinder, reduce the reflectivity calculation error, and help to obtain more accurate hyperspectral images of the core half-cylinder.

The present application relates to the technical field of cultivated land evaluation, and particularly relates to a cultivated land quality grade division and updating method based on hyperspectrum and soil indexes, wherein by defining and calculating water absorption depth and shadow proportion with clear physical meaning, respectively directly responding to water content and roughness, a water-roughness coupling disorder index is innovatively constructed, directly quantifying the abnormal degree of the coupling of the two, and converting the elusive coupling interference into a calculable and analyzable scalar; based on the statistical value of the water-roughness coupling disorder index of all pixels, a partition threshold is set, and the region corresponding to each pixel is divided into three physical state regions; and for different physical state regions, differentiated correction strategies are adopted, effectively eliminating the influence of water-roughness coupling interference on the inversion of organic matter content, significantly improving the index inversion accuracy, and taking into account the scientificity and practicality of the method, providing accurate and reliable core index support for subsequent cultivated land quality grade division.

Provided herein are methods of detecting single molecules that include binding single molecules in a sample solution to a first surface of an optically transparent substrate include the optically transparent substrate is free of a metallic coating. In some embodiments, the methods include irradiating the first surface of the substrate with an incident light having an incident angle selected to achieve total internal reflection of the incident light, thereby scattering light from the first surface and from the single molecules bound to the surface in which a wavelength of the incident light is between 10 nm and 350 pm and the optically transparent substrate has a refractive index at the wavelength of the incident light exceeding that of the sample solution, and collecting an image that captures interference between evanescent light scattered from the single molecules and the first surface. Systems and additional methods are also provided.

The present invention discloses method and apparatus for collecting signals, tracking cells, and imaging control using a photosensitive chip, wherein the method for acquiring signals by a photosensitive chip comprises: closely attaching a luminous surface of a membrane carrying a light signal to be acquired to a photosensitive chip, placing the photosensitive chip attached with the membrane carrying the light signal to be acquired in a darkroom, acquiring the light signal on the photosensitive chip in the darkroom, and performing signal processing on the acquired light signal and outputting the light signal. In the method and the apparatus for acquiring signals by a photosensitive chip provided by the present invention, human participation is not needed in the whole process, the convenience and timeliness of the imaging control process are improved, and the imaging precision and efficiency are effectively improved.

An example optical alignment target includes a translucent or transparent substrate having a bottom surface; an opaque material formed over the bottom surface in a pattern; an enclosed channel disposed below the bottom surface; and a fluid suspension contained in the enclosed channel. The pattern has an opaque portion of an opaque material and has a gap portion devoid of the opaque material. The fluid suspension includes a carrier liquid and a light emitting material suspended in the carrier liquid. The light emitting material is selected from the group consisting of quantum dots and cerium powder.

The present disclosure relates to a body fluid testing method including: identifying a region of interest (ROI) for each sperm in each of a set n image frames; adjusting brightness of each of the n image frames to a lower level by a preset value; generating a single accumulated image frame by accumulating images of each sperm within the n image frames; identifying an area of a movement path for each sperm in the accumulated image frame; calculating an area of the movement path for each sperm and determining motility based on the calculated area; and calculating a width-to-height ratio of a rectangle enclosing the area of the movement path for each sperm and determining straightness based on the calculated width-to-height ratio.

An imaging ellipsometer includes a light source configured to irradiate incident light on a sample surface; a polarizer on an optical path of the incident light on the sample surface, being rotatable at a first angle to adjust a polarization direction of the incident light; an analyzer on an optical path of light reflected from the sample surface, being rotatable at a second angle to adjust a polarization direction of reflected light; a light detector configured to receive light passing through the analyzer to collect image data; a controller configured to control operations of the polarizer and the analyzer to obtain an image signal from the sample at combination of rotations by the first angle of the polarizer and the second angle of the analyzer; and a processor configured to generate at least a portion of a Mueller matrix and analyze elements of the Mueller matrix to evaluate asymmetry.

The embodiments disclose an apparatus for testing organic plant materials for microbial contamination including machine-readable QR code identifiers associated with multiple facility testing locations, samples from each location are treated with microorganism-specific growth stimulator solutions and incubated locally in a portable incubator to accelerate microbial growth, a plurality of sensors and a camera, wirelessly coupled to a remote server, capture environmental data and images of the incubated samples, an artificial intelligence (AI) engine on the server analyzes the images and sensor data, correlates them to respective QR code identifiers, and compares them against a pattern recognition database to identify microbial contaminants, a mobile application displays AI-generated contamination reports, remediation recommendations, and a facility heat map identifying locations of recurrent infestations, a machine learning system continuously updates remediation determinations based on sensor feedback, an AI-enabled contamination prediction module models the spread of contamination and generates preventative recommendations to aid in eradication.

Aspects of the present disclosure include reconfigurable integrated circuits for characterizing particles of a sample in a flow stream. The reconfigurable integrated circuits according to certain embodiments are programmed to calculate a parameter of a particle in a flow stream from detected light; compare the calculated parameter of the particle to a parameter of one or more particle classifications; classify the particle based on a comparison between the parameter of the particle classification and the calculated parameter of the particle; and adjust one or more parameters of the particle classification based on the calculated parameter of the particle. Methods of characterizing particles in a flow stream utilizing the subject integrated circuits are also described. Systems and integrated circuit devices programmed for practicing the subject methods, for example on a flow cytometer, are also provided.

An Optico-dynamic Light Tunnel is provided. This apparatus provides visual assessment of the entire pathway of a lens field. This apparatus may include linear strands of light that can be created and their propagation pathways visualized. This apparatus may stratify light strands to create an optical tunnel. This apparatus may apply this optical tunnel to lens objects to dynamically analyze optical properties over the entire lens field pathway and in multiple dimensions.

Provided is a hydrogen concentration measurement method including sequentially aligning a light source, a hydrogen detector including nanoparticles, and an image sensor, allowing the nanoparticles to react with hydrogen to provide hydrogenated nanoparticles, and substantially simultaneously passing light, emitted from the light source, through the hydrogen detector to allow the light to enter the image sensor, acquiring a speckle image from the light entering the image sensor, and detecting a hydrogen concentration from the speckle image.

Disclosed are a method for removing vignetting of a light source array, a light irradiation apparatus from which the vignetting is removed, a Fourier ptychography apparatus from which the vignetting is removed, and a method for obtaining a FP high-resolution image with a reduced exposure time. The method for removing the vignetting of the light source array includes placing lenses respectively on front surfaces irradiated with light of at least some of light sources included in the light source array, and each lens is disposed such that each light source generates quasi-collimated illumination.

Embodiments of the present invention relate to a sample image photographing method and a corresponding sample image photographing apparatus. The method comprises: transporting a sample carrier to be tested to an imaging device; determining a focusing surface representation function of said current sample carrier according to a feature of a sample on said current sample carrier, the focusing surface representation function representing a relationship between horizontal position coordinates and a focusing parameter of each point to be photographed in a sample area of said current sample carrier: controlling a horizontal drive component of a driving device such that said current sample carrier moves continuously horizontally relative to the imaging device; and causing said current sample carrier to always satisfy the focusing surface representation function during the continuous horizontal motion, so that the imaging device continuously photographs an area of interest of said current sample carrier during the continuous horizontal motion.

A thin film characteristic diagnosis device according to an embodiment includes: a memory storing at least one instruction; and at least one processor executing the at least one instruction, wherein the at least one processor is configured to: make laser (light amplification by simulated emission of radiation; LASER) light, which supplies energy to a thin film, be incident onto the thin film; determine an ordinary refractive index (no) of the thin film based on a first spectrum obtained by polarizing emission light that has passed through a Fourier lens after being emitted from the thin film according to a first polarization plane; and determine a transition dipole moment (TDM) orientation angle (θhor) and an extraordinary refractive index (ne) of the thin film based on the first spectrum and a second spectrum obtained by polarizing the emission light according to a second polarization plane perpendicular to the first polarization plane.

A hybrid inspection system comprising is disclosed. The hybrid inspection system includes an optical inspection tool configured to identify candidate defects on a sample by directing an illumination beam to the sample with light and collecting scattered light from the sample in response to the illumination beam. The hybrid inspection system includes a multi-column inspection tool to identify defects of interest from the candidate defects, wherein the multi-column inspection tool comprises: two or more columns to simultaneously image two or more measurement regions on the sample and a translation stage configured to secure and position the sample with respect to the two or more columns, wherein the translation stage is configured to image at least a portion of the candidate defects using a step-and-settle sampling plan.

The invention relates to a data processing device (170) and a computer-implemented method for a medical observation device (100), such as a microscope or an endoscope, for observing an object (106) which contains at least one fluorophore (116, 118), wherein the data processing device (170) is configured: to access input image data (120) representative of an image of the object (106), the input image data containing: a reflectance signal (202), the reflectance signal being representative of light (198) reflected off the object and containing a specular reflection signal (206), the specular reflection signal being representative of specular reflection (208) off the object, and a fluorescence emission signal (204), the fluorescence emission signal being representative of fluorescence emitted by the at least one fluorophore; to extract the specular reflection signal; and to generate a digital output image (106) from a combination of the extracted specular reflection signal and the fluorescence emission signal.

A biometric data collection device (20) for a toilet (10), the biometric data collection device (20) comprising: a first compartment (21) including a first circuit board and a bumper or grip (25) configured to press against a rim (12) of the toilet (10) and hold the biometric data collection device (20) to the toilet (10); a second compartment (22) including a second circuit board; and a bridge (31) coupled to the first compartment (21) and the second compartment (22) and configured to be supported by the rim (12) so that the first compartment (21) is inside of a bowl (11) of the toilet (10) and the second compartment (22) is outside of the bowl (11) of the toilet (10), wherein the bridge (31) is changeable in length to fit different widths of the rim.