162results about "Testing eggs" patented technology

Laser speckle contrast imaging techniques that apply a temporal sliding window to a sequence of speckle frames of an avian egg to determine overlapping sets of speckle frames used to reconstruct a sequence of extraembryonic blood vessel images (e.g., movie) showing blood flow dynamics, and where input to a machine learning model based on the overlapping sets of speckle frames can be used to predict the developmental stage of the avian egg, and where the overlapping sets of speckle frames can be used in drug screening.

A device for determining the presence of a characteristic of a sample includes a light source for emitting pulsed excitation radiation, a detection device for detecting an autofluorescence radiation emitted by the sample, and a computer-based evaluation device. The detection device is configured to detect the autofluorescence radiation of the sample in a time-resolved manner at different wavelengths by means of time-correlated single photon counting and to provide the evaluation device with two-dimensional data with a wavelength dimension and a time dimenion. The evaluation device is configured to classify the provided data into classes by means of a classifier. The evaluation device is configured to identify specific wavelengths to be prioritized during the classification on the basis of features formed in the time dimension of the data.

The invention belongs to the field of egg feeding, and particularly relates to an egg grading detection feeding device which comprises two bases, a conveying belt body installed between the two bases, a plurality of installation bases evenly fixed to the outer surface of the conveying belt body, a rotating cylinder arranged in the middle of the installation bases and a position adjusting detection mechanism used for auxiliary detection. The positioning detection mechanism comprises threaded rods fixed to the middle positions of the two sides of the outer circumferential face of the rotating cylinder, threaded grooves formed in the two sides of the inner surface of the mounting base, a fixing base fixed to the tops of the two bases, cameras fixed to the two ends of the inner surface of the fixing base, and irradiation lamps arranged at the tops of the two cameras. According to the method, the situation that the complete form of the blunt-end air chamber cannot be effectively observed, so that judgment errors of the size and the shape of the air chamber are caused, and the situation that deformation or deterioration of the air chamber is possibly misjudged due to fuzzy boundary or irregular projection of the air chamber is avoided.

The invention belongs to the technical field of image processing, and relates to an egg surface microcrack detection method and system based on machine vision. The method comprises the following steps: acquiring a transmission image of an egg, performing spatial calibration, determining a geometric center and a long axis scale of an egg region, and establishing a polar coordinate mapping relation of each pixel point; according to the linear distance from each pixel point to the geometric center and the included angle relative to the long axis direction, the geometric sensitivity weight of each pixel point is evaluated, and the optical path distortion degree of the edge high-curvature area is represented; extracting contrast basic energy of the pixel points by using a local space window, and carrying out nonlinear evolution on a local gray gradient by combining with a geometric sensitivity weight to obtain an adaptive contrast energy evolution result; and coupling the local background variance and the geometric sensitivity weight, and calculating the crack identification confidence of each pixel point so as to carry out identification decision of the egg surface microcracks. According to the invention, extremely fine crack signals can be captured, and accurate detection of the microcracks on the surface of the egg is realized.

Provided is a method capable of discriminating male and female birds. The method for discriminating the sex of birds according to the present invention comprises a step for discriminating the sex of birds on the basis of the color of the eyes of the birds in each egg in a group of eggs of the birds, and when the birds in the eggs are male birds, the male birds are identified on the basis of the color of the eyes of the birds in the group of eggs, and when the birds in the eggs are ovum, the ovum expression genes in the Z chromosome are expressed on the ovum expression genes in the Z chromosome. The present invention relates to an ovum comprising a defunctional pigment expression gene and a wild-type ophthalmochrome expression gene heterozygous with the ovum comprising a defunctional pigment expression gene for the ophthalmochrome expression gene on the Z chromosome when the ovum is an ovum, when the ovum is a female bird, the female bird comprising the defunctional pigment expression gene for the ophthalmochrome expression gene on the Z chromosome.

The invention relates to a method for classifying spectra of objects having complex information content after registration of the spectra by using a method for pre-processing data and by using a method, associated with the data pre-processing, for classification with the calculation of a classifier. After the registration of the spectra and the pre-processing of the spectra, a multiple classification method is performed, having at least two different methods of the data pre-processing of the spectra and of the method, associated with the particular data-preprocessing, for classification. After the registration and the data pre-processing of the spectra, the following steps are performed: calculating a plurality of classifiers of the series per type of data pre-processing, determining the classifiers of the series with iterative adjustment and validation, calculating probabilities of the class association, all classifiers of the series or classifiers being equally incorporated in the determination of a classification result.

The method for automatic non-invasive identification of predetermined features in a number of industrial samples (102) of a predefined sample type of the present invention comprises the steps of: a) transporting the industrial samples (102) of a predefined sample type to an MRI scanner (106); b) recording undersampled MRI data (300) for at least one slice or at least a partial volume of the industrial sample in an MRI measurement, the undersampled MRI data (300) comprising undersampled MRI raw data comprising a number of time-dependent signals for different phases and / or processed MRI data obtained from processing the undersampled MRI raw data; and c) analyzing the undersampled MRI data (300) in an inference module (200) for identifying predetermined features of the industrial samples (102) using a machine learning module (204) trained to identify the predetermined features in industrial samples (102) of the predefined sample type from the undersampled MRI data (300).

An egg conveying station, for example to be integrated into an egg handling operation, said station comprising: a carousel conveyor (1) which is adapted to support pluralities of eggs (E) during transport in successive ascending and descending fashion between an inlet location (IL) and an outlet location (OL1, OL2), the carousel conveyor being provided with egg receiving means (47) for receiving eggs at said inlet location, and with egg discharge means (DM1, DM2) for discharging eggs (E) at said outlet location; characterized in that the discharge means are controllable egg discharge means (DM1, DM2) for selectively discharging eggs (E) at said outlet location (OL1, OL2); wherein the carousel conveyor (1) is provided with or associated with at least one egg inspection system (C, S) for inspecting the eggs (E) and for controlling operation of the controllable discharge means. The invention also provide a method for conveying eggs.

The utility model discloses an egg candler for baby chick hatching, which relates to the technical field of baby chick hatching and comprises a barrel, a mounting cover is mounted at the irradiation end of the bottom end of the barrel in a threaded manner, a first connecting ring is mounted on the outer side of the bottom end of the mounting cover, and an egg candling head is mounted at the bottom end of the mounting cover. An elastic protection assembly is installed on the outer side of the bottom end of the egg candling head and comprises an elastic cylinder, a protection gasket, a second connecting ring and connecting springs, the second connecting ring is installed on the outer side of the top end of the elastic cylinder, and the connecting springs are symmetrically installed at the top end of the second connecting ring; the top end of the connecting spring is connected with the bottom of the first connecting ring, and the elastic cylinder is installed on the outer side of the bottom end of the egg candling head through the connecting spring. The elastic cylinder is installed through the connecting spring and has elasticity when making contact with the egg shell, so that the situation that the egg is damaged due to collision generated when the elastic cylinder makes contact with the egg shell is avoided, and meanwhile the situation that the egg is damaged due to the fact that pressure on the egg is too large when the egg is irradiated and checked is avoided.

A hologram image of an object is acquired in a state where the object is accommodated in a concave portion provided in a container with a bottom surface of the concave portion being curved. A phase image is generated from the hologram image. Processing of subtracting a phase component derived from a polynomial indicating a shape of the bottom surface of the concave portion from the phase image is performed to acquire a processed phase image.

A lid mounted water sampling system adapted to be fluidly coupled to a water line for obtaining water quality parameters corresponding to a sample of pressurized water from the water line and transmitting information associated with said water quality parameters to a remote location, the system comprising: a pit lid adapted to be positioned to cover a pit box such that during use an outer surface of the pit lid is substantially at ground level and adapted to be positioned upon the pit box located underground; the pit lid further comprising an in-use underside portion coupled to a water sampling apparatus, the water sampling apparatus adapted to be positioned in an internal volume defined by the pit box, the water sampling apparatus being fluidly coupled to the water line for obtaining water quality parameters corresponding to a sample of the pressurized water from the water line; and a data transmitter positioned adjacent said pit lid in electronic communication with the water sampling apparatus for transmitting the water quality parameters to the remote location.

The utility model discloses an egg crack recognition device based on machine vision, which comprises a protective side plate, a bottom plate, a mounting plate and a top plate, a crack recognition box is fixedly arranged at the top end of the top plate, the protective side plate is fixedly mounted on the upper surface of the bottom plate, and the mounting plate is slidably arranged in the protective side plate; a rotating assembly for driving eggs to rotate is arranged on the upper surface of the mounting plate, and a moving assembly for driving the mounting plate to move in the protective side plate is arranged on the upper surface of the bottom plate; the rotating assembly comprises mounting blocks, rotating wheels and a driving module, eggs are placed among the four groups of rotating wheels on the two sides of one group of mounting blocks, then the mounting plates are driven by the moving assembly to integrally enter the protective side plates, and the eggs are subjected to ash removal treatment after entering the protective side plates; and then the rotating assembly drives the eggs above the mounting block to rotate, so that it is guaranteed that the crack recognition box recognizes and detects the eggs at multiple angles, and then the efficiency of egg crack recognition and detection is guaranteed.

The utility model relates to the field of chicken breeding, and discloses an egg hatching device for chicken breeding, which comprises a hatching box, an electric heating wire is arranged on the inner wall of the top end of the hatching box, a power assembly is arranged on the left side of the hatching box and used for providing rotation power, and a semicircular block is arranged at the right end of the power assembly and used for providing rotation power. A rotating disc is fixedly connected to the right side of the semicircular block, a sliding cylinder is fixedly connected to the non-circle-center position of the left side of the rotating disc, a rotating shaft penetrates through and is rotationally connected to the interior of the incubator, a limiting plate is fixedly connected to the left end of the rotating shaft, and a fillet sliding groove is formed in the periphery of the limiting plate. According to the egg hatching device, mechanisms such as the semicircular blocks, the limiting plates and the rotating discs are arranged, the rotating motor is started, the connecting frames rotate intermittently, the positions of the hatching frames in each set of connecting frames can be evenly changed, and therefore it can be guaranteed that all eggs can be evenly heated without manual layer changing.

A method for processing a plurality of avian eggs, particularly unfertilized eggs, comprising the steps of: conveying at least a first egg (E1) having a first eggshell color and a second egg (E2) having a second eggshell color along a conveying path, the first eggshell color being different from the second eggshell color; illuminating the first egg (E1) with an illumination beam (B) of near-infrared light, wherein at least a portion of the near-infrared light is transmitted through the first egg (E1) and detected by a near-infrared light detector (5); and illuminating the second egg (E2) with an illumination beam (B) of near-infrared light, wherein at least a portion of the near-infrared light is transmitted through the first egg (E1) and detected by a near-infrared light detector (5). with an illumination beam (B) of near-infrared light, wherein at least a portion of the near-infrared light is transmitted through the second egg (E2) and detected by a near-infrared light detector (5); and processing the light detection results of the near-infrared light detector (5) to determine the eggshell condition of each of the first egg and the second egg (E1, E2), wherein the illumination and / or detection of the transmitted light of the first egg and the second egg (E1, E2) are performed under substantially the same illumination conditions and / or detection conditions, respectively.

Disclosed herein are methods and systems for rapid detection of microorganisms such as Listeria spp. in a sample. A genetically modified bacteriophage is also disclosed which comprises an indicator gene in the late gene region. The specificity of the bacteriophage, such as Listeria-specific bacteriophage, allows detection of a specific microorganism, such as Listeria spp. and an indicator signal may be amplified to optimize assay sensitivity.

The utility model discloses an egg quality nondestructive testing device, and relates to the technical field of egg quality detection. Comprising a conveying mechanism, the conveying mechanism comprises a conveying frame, one side of the top of the conveying frame is fixedly connected with a discharging plate, one side of the conveying frame is provided with a conveying assembly, the conveying assembly comprises a connecting block, one side of the connecting block is rotationally connected with a conveying roller, and the two ends of the conveying roller are rotationally connected with guide wheels. Through the arrangement of the conveying mechanism and the detection mechanism, in the using process, eggs are firstly conveyed to the conveying rollers in the conveying frame through the discharging plate, then the servo motor drives the driving roller to rotate the driven roller under the action of the belt, and the LED lamp is turned on in the process; meanwhile, the conveying rollers rotate under the action of the guide wheels while the belt drives the conveying rollers to rotate through the connecting blocks, detection is conducted through the detection mechanism, the device can detect cracks of the eggs, black-core eggs and double-yolk eggs, and use limitation is reduced.

The invention discloses a quail egg intelligent detection method and system based on multi-source data fusion, and relates to the technical field of quail egg quality detection. The quail egg intelligent detection method based on multi-source data fusion comprises the following steps: acquiring visible light images, near-infrared images and geometric parameter data of quail eggs, extracting image texture features and spectral response features, respectively analyzing image equilibrium indexes and structure transmission indexes, and analyzing geometric morphology indexes in combination with morphological parameters; according to the method, the visible light image, the near-infrared image and the geometric parameters are fused, the image equilibrium index, the structure transmission index and the geometric morphology index are extracted, the comprehensive state index is constructed, and the quality grade of the quail eggs to be detected is determined. The quail egg quality can be comprehensively evaluated from multiple dimensions such as appearance, light transmission and form, internal abnormal conditions prone to missed judgment in traditional image detection are effectively recognized, and the accuracy degree of quality grade judgment and the stability degree of an overall detection result are improved.

The utility model relates to the field of food processing, in particular to an intelligent separation and detection system for fresh egg liquid. Comprising the steps that an egg breaking module collects egg liquid of fresh eggs and conveys the egg liquid to a separation module, then the separation module separates the egg liquid of the fresh eggs into egg white and egg yolk or whole egg liquid through an intelligent valve, the egg liquid is distributed into a quality inspection module according to the types of the egg liquid, and the quality inspection module inspects the freshness degree of each kind of egg liquid; according to the method, the image is acquired through the image acquisition module, so that stale or polluted egg liquid can be abandoned, if the image is judged to be fresh and pollution-free, the egg liquid corresponding to the image is transmitted to the conditioning module, and the conditioning module is used for conditioning the egg liquid and generating egg white fresh egg liquid and egg yolk fresh egg liquid or whole egg fresh egg liquid. According to the method provided by the embodiment of the invention, the egg liquid of the fresh eggs can be automatically separated and detected, and the problems that the egg liquid separation and detection process cannot be fully automatically realized and the quality problem cannot be traced back in the prior art are solved.

In one embodiment, a process and method of screening an avian embryo feather color (pre-hatching) and determining the sex of the avian embryo, based at least in part, on the feather color (fc) or the color of feather precursors is provided. In an alternate embodiment, a process and method of screening chick embryo sex is provided, comprising the steps of: (i) obtaining a chicken egg; (ii) exposing the chicken egg to, or contacting the chicken egg with, electromagnetic radiation emitted from an electromagnetic radiation source; (iii) determining the amount of absorption, diffusion, refraction, reflection or a combination of any of the forgoing, of the electromagnetic radiation by the chicken egg by using an imaging system; (iv) comparing the absorption, diffusion, refraction, reflection or a combination of any of the forgoing of the electromagnetic radiation by the chicken egg to a database; and (v) determining the sex of the chick embryo in the chicken egg, at least in part, as a result of the comparing step.

The present invention makes it possible to adjust the attitude of an egg and perform an accurate inspection of that egg, and is provided with an attitude adjustment unit 11 that adjusts an attitude of an egg E by lifting the egg E from an egg tray 10 using a plurality of elastic bodies 11a that surround a periphery of the egg E, a cap unit 12 that is placed in contact with an upper end portion of the egg E that has been lifted up by the attitude adjustment unit 11, a lifting unit 4 that lifts up the egg E using the elastic bodies 11a while the cap unit 12 is in contact with the egg E, a light irradiation unit 5 that irradiates light onto the egg E that has been lifted by the lifting unit 4, and an imaging unit 6 that captures a photographic image of the egg E lifted by the lifting unit 4.

The utility model discloses an egg sorting device, and belongs to the technical field of egg production equipment. An egg sorting device comprises a fixed frame, a grid plate is installed on the inner side of the fixed frame, a driving piece is installed on the fixed frame, an installation base is arranged on the driving piece, lamp beads are installed at the end, close to the grid plate, of the installation base, a connecting rod is installed at the end, away from the driving piece, of the fixed frame, and a plurality of LED lamp beads are installed on the connecting rod. A light shield is arranged on the connecting rod; through the design of a grid plate in a fixed frame and lamp beads on a driving part, illumination perspective screening of eggs is achieved, the internal quality of each egg can be comprehensively checked through mobile scanning of the lamp beads, the eggs with deteriorated internal parts can be rapidly recognized, the screening efficiency and accuracy are improved, and meanwhile the screening quality is improved. The light holes formed in the egg tray allow light to penetrate through and irradiate the interiors of the eggs, the eggs can be taken out of the whole tray containing box, and the operation efficiency is improved.

The utility model discloses a residual drug detection device for animal-derived food, which relates to the technical field of detection devices and comprises a drug detection equipment box, a detection chamber is arranged at one end of the top of the drug detection equipment box, and a glass cover is movably mounted at one end of the detection chamber. A control display screen is fixedly installed at the other end of the top of the medicine detection equipment box, a carrying plate is movably installed in the detection chamber, a feeding plate is movably installed at the top of the carrying plate, and limiting mechanisms are arranged on the two sides of one end of the feeding plate. Through mutual cooperation of the baffle, the limiting groove, the movable push block, the connecting plate, the springback column and the spring, the movable push block is manually pushed to move towards the outer side, so that the connecting plate is driven to move out of the limiting groove, the baffle loses the limiting acting force, the top plate and the baffle are pushed in cooperation with the springback force of the springback column and the spring, one end of the baffle is tilted, and the baffle is fixed. Workers can conveniently disassemble and replace the baffle, and better detection of the device is facilitated.

A pathogen reduction tool implementing a method of processing eggs at a poultry hatchery is provided. Such a method includes setting a production quantity of avian eggs in a setter incubator, the eggs being maintained in a plurality of egg flats. The avian eggs are removed from the setter incubator on a predetermined day of incubation, such predetermined day being during about day nine to day twelve of incubation. Subsequent to removal of the avian eggs from the setter incubator, the avian eggs are subjected to an egg detection system on the predetermined day to determine which of the avian eggs are viable and non-viable. The non-viable avian eggs are removed from the egg flats on the predetermined day. The viable avian eggs remaining in the egg flats post-inspection by the egg detection system are incubated through hatch.

The present application relates to a method, device and computer for identifying the quality of eggs based on optical spectra. The method includes: identifying the physical characteristics of the eggshell of a target egg from a multi-dimensional captured image of the target egg to obtain the physical characteristic data of the eggshell of the target egg; planning the illumination of the target egg at a spatial angle of the light source according to the physical characteristic data of the eggshell to obtain the multi-dimensional light source illumination parameters of the target egg; controlling each modulation excitation source to perform time-resolved spectroscopy detection on the target egg according to the multi-dimensional light source illumination parameters to obtain the spectral detection data of each egg; and evaluating the health characteristics of the target egg according to the spectral detection data of each egg to obtain the egg quality data of the target egg. Using this method can effectively improve the accuracy and efficiency of egg quality identification, and further improve the degree of automation and industrial application value in industrial production.

Disclosed is a method for non-destructive detection of egg freshness based on Raman spectroscopy technology, which belongs to the field of food detection. Partial least squares regression models are built using Raman spectroscopic data and measured values of physicochemical indexes for egg freshness, which can be used to predict egg freshness based on Raman spectrum of egg shell surface. The Raman spectroscopic data are collected in the waveband of 100-3000 cm−1. The physicochemical indexes used in the invention include the Haugh unit, the albumen pH, the air chamber diameter and the air chamber height. By using the partial least squares model, values of physicochemical index for egg freshness can be obtained from Raman spectra collected on egg shell surfaces, thus achieving the goal of non-destructive detection of egg freshness.

The present invention relates to a measuring system for the non-invasive, preferably automated, sexing of embryos in an egg (50) in early-embryonic development, in particular prior to the seventh day of incubation, in particular during incubation, in particular in an incubator which comprises at least one egg tray (40) for accommodating a plurality of eggs (50) and at least one egg trolley (80) for holding at least one egg tray (40), the measuring system comprising at least one irradiation unit (10) for irradiating an egg (50) with electromagnetic radiation; at least one sensor unit (20) for detecting electromagnetic radiation transmitted through the egg (50); an evaluation unit (30) comprising at least one spectrometer (31), which is designed to receive the radiation transmitted through the egg (50) and to generate a spectrum of the radiation transmitted through the egg (50); and a data processing unit (33), which is designed to receive spectra generated by the spectrometer (31) and to store the spectra as a reference spectrum or measurement spectrum; an identification unit (23) for generating identification data, by means of which the spectra generated on an egg (50) can be uniquely associated with the egg (50); and a classification unit (35); the data processing unit (33) being designed to store spectra generated by the spectrometer (31) and associated identification data, and the classification unit (35) being designed to determine the sex of the embryo on the basis of at least one reference spectrum and at least one measurement spectrum. The invention also relates to a corresponding method.

An egg analysis system and computer-implemented methods are provided. The system comprises a light source for illuminating an egg, a photon detector for detecting a fluctuation of scattering light emitted from the egg, a processor, and a memory storing instructions which when executed by the processor configure the processor to receive scattering light data from the photon detector, digitize the scattering light data, and analyze the digitized scattering light data. One computer-implemented method comprises a light source illuminating an egg, a photon detector detecting a fluctuation of scattering light emitted from the egg, receiving scattering light data from the photon detector, digitizing the scattering light data, and analyzing the scattering light data. Another computer-implemented method comprises receiving angle, frequency and intensity data of scattering light from an egg illuminated using a light source, identifying a germinal disc in the egg from the scattering light data, and determining at least one of a fertility or a sex of the egg based on the size and structure of the germinal disc.

The invention provides a composite light source device for high-speed detection of poultry eggs, and belongs to the field of agricultural product detection, the device comprises an LED sub-module, the LED sub-module comprises a plurality of LED chips with different wave bands, the LED chips with the same radiation radius are uniformly distributed along the circumference according to different wave bands, the LED chips with the same wave band of each LED sub-module correspond to one sub-area, and the LED chips with the same radiation radius correspond to the other sub-area; the brightness of each sub-region is independently controlled by a controller; the collimating lenses above each LED sub-module form an array which is used for receiving LED chip incident light from the public focus area and collimating the incident light into parallel light beams; the integrating plate is positioned on the light emitting side of the collimating lens array and is used for receiving, mixing and uniformly diffusing the collimated parallel light beams; the angle switching mechanism comprises a rotary support used for supporting the LED submodules, the collimating lens array and the integral plate; the controller is further used for adjusting the angle of the rotating support. The device can improve the color mixing efficiency before dodging, reduce the output chromaticity deviation, and meet the rapid imaging requirement of a high-speed production line.