245 results about "Multiple markers" patented technology

Examples of the present disclosure relate to a computer-implemented method, an apparatus, and a computer program for extrinsic calibration of one or more cameras with respect to a reference coordinate system, and to various methods, apparatuses, and computer programs for using information on a pose of a reference plane being determined as part of the extrinsic calibration. The computer-implemented method for extrinsic calibration of one or more cameras with respect to a reference coordinate system comprises obtaining one or more images from one or more cameras, with each camera having a field of view, wherein each image shows an observation of at least one marker of a plurality of markers, wherein the plurality of markers are co-planar with respect to a reference plane, estimating, for the one or more cameras, a transformation between a respective camera coordinate system and the reference coordinate system based on an estimated pose of the at least one marker observed in the field of view of the camera relative to the camera coordinate system, estimating a pose of the reference plane with respect to the respective one or more camera coordinate systems based on a pre-defined or estimated pose of the reference plane with respect to the reference coordinate system and based on the estimated transformations between the one or more camera coordinate systems and the reference coordinate system, estimating planar poses of the plurality of markers with respect to the reference plane, and simultaneously adjusting the planar poses of the plurality of markers and the pose of the reference plane with respect to the respective one or more camera coordinate systems by iteratively reducing an error between a reprojection of the plurality of markers into the respective one or more camera coordinate systems and the position of the respective markers in the images.

According to one embodiment, an apparatus is disclosed. The apparatus includes an endoscopic clip placement tool and one or more marking clips attached to a specimen mass by the clip placement tool to mark a margin and orientation of the specimen mass. A specimen marking clip is also provided that is adapted to selectively attach to tissue inside of a patient and corresponding tissue that has been excised from the patient for analysis. Sutures may be associated with the clips to help ensure correct in vivo and ex vivo sample orientation. In vivo clips may remain in the patient's body if necessary.

The invention discloses a spacing-adjustable transplanting machine based on planting, and relates to the technical field of existing agricultural machinery equipment, the spacing-adjustable transplanting machine comprises a transplanting mechanism, the transplanting mechanism comprises a plurality of storage boxes, auxiliary blocks and a plurality of cameras, the top of each mounting block is additionally provided with a second electric push rod, and the telescopic end of each second electric push rod is additionally provided with an auxiliary wheel. A group of first springs are fixed between each moving block and the corresponding top plate, a plurality of marking labels are placed in each storage box, and a plurality of motors are additionally mounted in grooves in the tops of auxiliary blocks. Therefore, the situation of seedling leakage during later manual seedling filling is avoided, blank zones in a planting area are avoided, the yield of unit area is guaranteed, and the use efficiency of a transplanter in modern agricultural machinery equipment is improved.

A method for preparing data for identifying analytes in a sample, in which in an experiment one or more analytes are colored with markers in multiple coloring rounds, the markers in each case being specific for a certain set of analytes, detecting the multiple markers using a camera, which for each coloring round generates at least one image containing multiple pixels and color values assigned thereto, the image including colored signals and uncolored signals, wherein a colored signal is a pixel having a color value that originates from a marker, and an uncolored signal is a pixel having a color value that is not based on a marker, and storing the color information of the particular coloring rounds for evaluating the color information.

To detect a disconnect of a camera or a reference object, even when the reference object can move.SOLUTION: A person re-identification system comprises at least one camera that generates a ranging image by imaging and ranging at least a part of re-identification area including at least one of a plurality of markers for defining a person re-identification area, and a management device that performs face re-identification of a person passing through the re-identification area by using the ranging image. The management device determines which of the marker and the camera deviates from an initial state, by using the ranging image.SELECTED DRAWING: Figure 1

Systems and methods for imaging and, in some instances, analyzing biological samples such as biological tissue are described. The systems and methods may be directed to the interrogation of biological samples labeled with multiple markers (e.g., fluorophores and / or chromophores) corresponding to various biomarkers and / or cellular or subcellular structures within the sample. Some such systems and methods may combine certain optics (e.g., configurationally-fixed optics for fluorescence imaging and / or actuatable filters for chromogenic imaging) with multi-color sensors (e.g., RGB sensors) to facilitate the imaging and analysis of a sample. The systems and methods may also promote advantageous techniques for segmenting images of components of the biological sample. In some instances, the methods can assist users (e.g., pathologists) in scoring samples for indications such as diseases. The systems and methods may, in some instances, promote economical, accurate, and / or higher-throughput imaging and analysis of the sample.

A method comprising introducing, at a first time, a sample containing a plurality of analytes and a plurality of isoelectric point (pI) markers in a conductive medium into a capillary, each pI marker from the plurality of pI markers having a known isoelectric point from a plurality of isoelectric points, the plurality of pI markers including a subset of pI markers, each pI marker from the subset of pI markers being configured to be excited by light of a wavelength within a known excitation range of wavelengths to emit a non-native fluorescence signal at a wavelength within a range of emission wavelengths; separating, at a second time after the first time, the plurality of pI markers and at least a subset of the plurality of analytes, each pI marker and each analyte being focused according to their isoelectric points, by applying a voltage across the capillary; eluting a portion of the sample that includes at least one of an analyte from the plurality of analytes or a pI marker from the subset of pI markers into a well at a third time after the second time; probing the portion of the sample including the at least one of the analyte or the pI marker from the subset of pI markers with light within the known excitation range of wavelengths to cause the pI marker to emit the non-native fluorescence signal; and detecting the non-native fluorescence signal indicating a presence of the pI marker in the portion of the sample.

To provide a marking device that can make a marking on an arbitrary position of a columnar member, accurately with good operability.SOLUTION: A marking device is provided with a main body 10 comprising a through-hole 13, a plurality of marking members 30 stored inside the main body 10 to sandwich the through-hole 13, and an operating part that moves the plurality of marking members 30 toward a center of the through-hole 13. The marking members 30 may be openable / closable types and also movable types, which can make a marking on a surface of a columnar member inserted through the through-hole 13.SELECTED DRAWING: Figure 6

The invention relates to a microfluidic device (1) for automatic microscopic imaging of bioorganisms, wherein the device (1) comprises a plurality of chambers (2) configured to receive individual bioorganisms, wherein the microfluidic device (1) comprises an alignment portion (3) arranged at a predetermined position and orientation with respect to the chambers (2), wherein the alignment portion (3) comprises a plurality of markers arranged in a pattern (5), wherein the markers (4) of the pattern (5) are arranged with respect to a central point (6) of the pattern (5) such that for any position of a field of view comprising only a fraction of the pattern (5), an automatic centering procedure of the field of view toward or to the central point (6) of the pattern (5) is derivable. The invention further relates to microscope systems for automatic microscopic imaging of bioorganisms, a method for automatized microscopic imaging of bioorganisms using a microscope system, a computer program as well as a method for manufacturing the microfluidic device (1) for automatic microscopic imaging of bioorganisms.

This application belongs to the field of computer vision and optical measurement technology, specifically disclosing a point cloud stitching method and apparatus based on monocular pose prior marker matching. The method includes: calculating the pose of multiple markers extracted from left and right camera images, determining the normal vector and three-dimensional coordinates of each marker's circular cross-section in its respective camera coordinate system; transforming the three-dimensional coordinates and corresponding normal vectors of each marker in either the left or right camera image to the other camera coordinate system for marker point registration between the left and right camera images; the circular cross-section is a circular cross-section in three-dimensional space with the origin of the camera coordinate system as its vertex, passing through the elliptical curve where the marker is located; and stitching the three-dimensional point cloud of markers based on the marker point registration results of the left and right camera images. This application can significantly improve the accuracy of binocular stereo marker matching and the system's anti-interference capability in complex industrial scenarios.

The invention discloses a biomolecule interaction detection system and method based on optical weak measurement and a double-antibody sandwich structure. High-sensitivity label-free detection is realized by integrating an optical weak value amplification technology and immune sandwich analysis. The system comprises a light source module, a polarization regulation and control module, a sensor module, an imaging module and a data processing module. The surface of a prism of the sensor module is fixedly coated with an antibody, interface refractive index change is triggered by forming a sandwich structure with an antigen and a detection antibody, and the interface refractive index change is converted into a light intensity signal through a weak value amplification effect and is captured in real time. The system eliminates environmental interference by utilizing differential signal processing, verifies data stability in combination with multiple independent experiments, has a detection limit of 6.29 ng / mL (AFP), has strong specificity and supports synchronous detection of AFP, CEA and CA15-3 multiple markers. The method does not need to mark molecules, has the advantages of high sensitivity, high flux and low cost, and provides an efficient solution for early screening of cancers.

The present invention provides a method of setting an alignment mark and a processing apparatus that automatically adjusts the range of a designated mark to set an alignment mark. The method of setting an alignment mark has the following steps: a photographing step of photographing one or more marks formed on the front side of a wafer; an information acquisition step of acquiring information on the respective circumscribed rectangles of the one or more marks photographed; a frame line adjustment step of moving the center of the circumscribed rectangle of one or more marks as a whole to the center of a quadrangular frame line, and automatically adjusting the position and size of the frame line with respect to the circumscribed rectangle in such a manner that the circumscribed rectangle is accommodated within the frame line and the interval between the circumscribed rectangle and the frame line is adjusted to a predetermined distance, according to whether one or more marks have been designated; and a registration step of registering the region inside the frame line whose size has been adjusted, which contains one or more marks, as an alignment mark in the processing apparatus.

An autonomous robot localization system for managing a plurality of autonomous robots is disclosed. The autonomous robot localization system includes a plurality of rail paths including a plurality of markers, a plurality of autonomous robots, and a system controller. The plurality of rail paths is used for guiding the plurality of autonomous robots. The plurality of autonomous robots include a plurality of readers, and a plurality of robot controllers. The plurality of readers include a plurality of sensors The plurality of robot controllers generate a plurality of marker patterns for corresponding marker based on assigned presence and absence status of the plurality of marker bits. The system controller manages movements of the plurality of autonomous robots based on a plurality of commands sent to the plurality of robot controllers.

Described herein are methods and systems for training image to image translation machine-learning models, wherein the image to image translation machine-learning models are trained using unpaired images. The trained image to image translation machine-learning models can be used to digitally identify markers of a fluorescent image depicting a plurality of markers in a single color channel from a single fluorophore and / or enhance a fluorescence image.

are disclosed herein. One embodiment of a virtual assistant enhancement system includes a plurality of markers installed in a vehicle in a corresponding plurality of different locations. The system activates, via a generative artificial intelligence (AI)-based virtual assistant of the vehicle, one or more of the plurality of electronic markers. The system also refers to the one or more activated electronic markers in instructions communicated to a user by the generative AI-based virtual assistant to assist the user in performing a task pertaining to the vehicle.

An assembly for processing meat travelling along a path of travel and including a marking roller disposed transverse to the path of travel and including at least one but preferably a plurality of marking sections rotatable with the marking roller. Each of the marking sections includes at least one marking member rotatable therewith and extending outwardly therefrom into penetrating relation to meat passing along the path of travel. Penetration of each marking member into the meat produces a mark such as, but not limited to an alpha-numeric character corresponding in configuration to that of the penetrating marking member. A plurality of marking members may be mounted on one or more of the marking sections such that the meat will have a multi-character mark formed thereon as the marking members sequentially penetrate the meat during rotation of the marking roller and passage of the meat along the path of travel.

The present application provides a kind of edible marking device (1), it has: conveying device (20) of conveying edible;Detection part (210) of detecting edible;And the laser processing part (220) of forming mark pattern in edible by the scanning of laser, conveying device (20) sequentially conveys edible to detection part (210) and laser processing part (220), wherein, detection part (210) shoots edible and obtains direction information about the direction of this edible, laser processing part (220) is pre-stored in storage part with different direction information respectively associated with multiple mark order information about the formation order of mark pattern, according to the mark order information extracted from storage part based on the direction information obtained by detection part (210), mark pattern is formed in edible.

An anomaly detection system, an anomaly detection method, an electronic device and a storage medium are provided, which relates to the field of artificial intelligence. The anomaly detection system includes a plurality of markers. The plurality of markers are different from each other and correspond to different anomaly detection operations. A log line of a target system may be detected from different dimensions by using the plurality of markers, and marker tokens generated by different markers are obtained. In addition, the anomaly detection system further includes a model marker. The model marker may combine the marker tokens respectively generated by each marker into a token sequence and perform anomaly detection on the token sequence by using a pre-trained neural network model to obtain an overall anomaly score of the target system within a preset time period.

This application provides a method, apparatus, device, and computer-readable storage medium for displaying media content. The method includes: displaying media content and a browsing progress bar for the media content in a content display interface of the currently logged-in account; displaying the browsing progress of the media content in the browsing progress bar, and displaying multiple markers that correspond one-to-one with content segments in the media content; wherein the content segments are matched with the interest characteristics of the user corresponding to the currently logged-in account, and are obtained by filtering target content in the media content; during the display of media content corresponding to the browsing progress, when a trigger operation is received for a target marker in the browsing progress bar, the displayed content is redirected to the content segment corresponding to the target marker. This application enables rapid redirection to content segments of interest to the user, improving human-computer interaction efficiency.

A control device includes a processor. The processor is configured to instruct a projection device to project a first image including a plurality of markers for adjusting a projection position, perform a first detection process of detecting the plurality of markers based on first captured image data that is obtained by capturing a projection image of the first image, and perform a second detection process of detecting, in a case where there is an undetected marker that is not detected in the first detection process, at least the undetected marker.

Systems and methods for determining a head pose of a user are described. Images captured by a head-mounted camera worn by the user are received, the images comprising captured markers, wherein each captured marker is one of a plurality of markers on a surface that are in the FOV of the head-mounted camera. Stored markers having a predetermined orientation and corresponding to each captured marker are identified from a database, the stored markers comprising coordinates for its corresponding surface marker. An orientation of the captured marker relative to its corresponding stored marker is calculated and the stored marker is obtained. Based on the stored marker and the orientation, an absolute pose of each marker is determined. Based on the absolute pose of each marker, the head pose of the user relative to the surface is calculated.

The application discloses a method for constructing a multiplex visual nucleic acid detection system, which comprises the following steps: S1, selecting specific conservative gene sequences of multiple target detection objects; S2, designing specific LAMP primers according to the specific conservative gene sequences of the multiple target detection objects selected in S1; S3, marking the specific loop primers designed in S2 and designing specific assimilation probes; S4, placing the primers, the marked primers, the assimilation probes and multiple nucleic acid templates formed in S2 and S3 into the same system for LAMP amplification to form amplification products containing multiple markers; S5, placing the amplification products containing multiple markers in S4 into a binding pad of a detection strip; and S6, under the action of chromatography, the amplification product-marked colloidal gold complex is captured by corresponding antibodies through a detection belt to realize color development. The application realizes double color development by using a visual LFD detection system, namely, UU and MH use different color development systems respectively, so that UU and MH can be rapidly and simply detected.

Devices and methods for detecting and decoding a marking are disclosed herein. The method captures, using a device and a current focus setting, a current image of an area containing one or more markings. The method determines a first distance between the device and one or more markings present in the current image, based on the current focus setting during image capture. Using a trained model, the method detects the one or more markings present in the current image and determines, for a current marking located beneath the one or more markings, a second distance between the device and the current marking, based on a known size of the current marking and / or a feature of the current marking.The procedure determines whether the current marking is in focus, based on the first distance, the second distance and at least one attribute of the device.

Apparatus, systems, and methods are provided for localizing lesions within a patient's body, e.g., within a breast. The system may include one or more markers implantable within or around the target tissue region, and a probe for transmitting and receiving electromagnetic signals to detect the one or more markers. During use, the marker(s) are into a target tissue region, and the probe is placed against the patient's skin to detect and localize the marker(s). A tissue specimen, including the lesion and the marker(s), is then removed from the target tissue region based at least in part on the localization information from the probe.

The invention relates to an apparatus for automatically bending workpieces (10), comprising a storage device (2) for workpieces (10), a robot device (3) for handling workpieces (10), and a bending machine (5) for deforming at least some of the workpieces (10) handled by the robot device (3) via a bending process, the apparatus (1) further having an image capturing device (7) for capturing image data (ID) about workpieces (10) to be handled in the storage device (2) and a control device (6) for controlling the robot device (3) using the image data (ID). The image capturing device (7) can be moved into different positions (CP1, CP2) via an actuator system (8) in order to capture image data (ID) from different storage sections (201, 202, 203, 204) of the storage device (2) associated with the respective positions (CP1, CP2), wherein a plurality of markers (M1, M2,..., M10) are provided on the storage device (2), the positions (PO1, PO2,..., PO10) of which relative to a reference coordinate system (RC) are stored in the control device (6), wherein the respective positions (CP1, CP2) of the image capturing device (7) in the associated storage sections (201, 202, 203, 204) contain at least two markers (M1, M2,..., M10), and the control device (6) is configured to perform an evaluation of the image data (ID) of the associated storage sections (201, 202, 203, 204), wherein by means of the stored positions (PO1, PO2,..., PO10) of the markers (M1, M2,..., M10) in the associated storage sections (201, 202, 203, 204), a positioning (CL) of the image capturing device (7) relative to the reference coordinate system (RC) and / or a positioning (WL) of the workpieces (10) to be handled relative to the reference coordinate system (RC) is automatically determined.

Longitudinally welded tubular member inspection and marking systems and methods. One system includes a longitudinal weld seam detection assembly and a marking assembly configured to be positioned about a longitudinally welded tubular member in an inspection position. The detection assembly includes a magnetic flux generator including a flux return and one or more sensors supported by the flux return and sensor supports. The marking assembly includes one or more marking heads. A computer is programmed to accept longitudinal weld seam detection signals transmitted from the one or more sensors and convert them into positioning information for the marking assembly to mark the longitudinal weld seam.

An example electronic apparatus may include an image projector, and a processor configured to control the image projector to project a test image including a plurality of markers onto a projection plane, based on first information indicating a location of the plurality of markers in the test image and second information indicating a location of the plurality of markers in an image of the projection plane photographed by an external device, acquire third information indicating a location of a vertex of the test image in the photographed image, correct the third information based on posture information of the external device, and perform keystone correction based on the corrected third information.

A metrology method related to measurement of a structure on a substrate, the structure experiencing process variations is disclosed. The method comprises: obtaining first measurement data related to a phase of measurement radiation that has been scattered from one or more markers and to a plurality of measurement conditions; obtaining second measurement data relating to the intensity of the measurement radiation and to the plurality of measurement conditions; obtaining a weighting of the first measurement data and the second measurement data, the weighting comprising a modulus component associated with a modulus of a complex weight and an argument component associated with an argument of the complex weight; and determining a first parameter value of a first parameter from the first measurement data and the second measurement data weighted by the weighting.

The invention relates to the technical field of medical image processing and surgical navigation, and discloses a polyhedral tool registration method and device, equipment and a medium. The method comprises the steps that a polyhedral tool is designed, and pits with plane markers are formed in a plurality of planes of the tool; manufacturing a standard product and at least one replica; acquiring the three-dimensional coordinates of the standard marker in the unified coordinate system by using high-precision equipment to form a standard point set; the optical navigation system collects actual coordinates of replica markers to form an actual point set; screening an effective point set according to the included angle between the mark point corresponding vector and the Z-axis vector of the optical navigation coordinate system; and carrying out calibration and iterative optimization by a singular value decomposition algorithm to unify the coordinates of the marker to a standard coordinate system. According to the invention, the vertical octahedral asymmetric structure and the multi-pit position marker on each surface are used for improving the precision and shielding resistance, the batch consistency is ensured by means of a standard substance and an algorithm, and the marker is easy to manufacture and rapid to register and meets clinical requirements.

A method for preparing data for identifying analytes by coloring one or more analytes with markers in multiple coloring rounds, the markers in each case being specific for a certain set of analytes, detecting multiple markers using a camera, which for each coloring round generates at least one image that includes multiple pixels to which a color value is assigned in each case as color information, and includes colored signals and uncolored signals, wherein a colored signal is a pixel containing color information of a marker, and an uncolored signal is a pixel containing color information that is not based on a marker. A data point in each case includes one or more contiguous pixels in the images of the multiple coloring rounds that are assigned to the same location in a sample.