444 results about "Multiple markers" patented technology

Systems and methods for stereotactic localization of components include a system for stereotactic localization of a component during a surgical procedure. In some cases, the system includes one or more of an instrument, a plurality of markers disposed on the instrument, one or more sensors configured to detect a position of each of the markers, and an output device. In some cases, the system is configured to calculate a digital 3-dimensional array based on the position of at least some of the plurality of markers, compute a location of the instrument, and communicate the location of the instrument to a user of the system through the output device. Other implementations are described.

An optically detectable label (102, 500) is provided comprising a nucleic acid backbone (108, 504) comprising multiple attachment positions (306, 308, 506a, 506b, 506c, 506d) including at least a first attachment position and a second attachment position. The optically detectable label (102, 500) further comprises multiple labelling moieties (106a, 106b, 106c, 106d, 106e, 310, 312, 502a, 502b, 502c, 502d), including at least a first labelling moiety and a second labelling moiety, each labelling moiety (106a, 106b, 106c, 106d, 106e, 310, 312, 502a, 502b, 502c, 502d) attached to a different one of the attachment positions (306, 308, 506a, 506b, 506c, 506d) of the nucleic acid backbone (108, 504). The first labelling moiety and the second labelling moiety are configured to form an energy transfer donor and acceptor pair. Further, the nucleic acid backbone (108, 504) has at least a first spatial state (300, 500a) and a second spatial state (322, 500b), wherein in the first spatial state the attachment position to which the first labelling moiety and the attachment position to which the second labelling moiety are attached to, are in proximity in order to enable an energy transfer between the first labelling moiety and the second labelling moiety. Moreover, the nucleic acid backbone (108, 504) is in the first spatial state (300, 500a) when a first staple strand (302, 510, 512) is bound to the nucleic acid backbone (108, 504). In further aspects, a marker (100) comprising the optically detectable label (102, 500) is provided and a method for analysing a biological sample.

Visualization systems, devices, and methods, optionally adapted for intubation. The systems may be adapted to cause information from a first camera to have more of an influence on the actuation of a introducer that information from a second camera. Introducers herein may include a shaft that includes one or more markers thereon.

A tracker for a surgical navigation system is provided. The tracker includes one or more markers for determining a position of the tracker and an attachment element configured to releasably attach the tracker to a surgical tool. The attachment element includes an opening for receiving the surgical tool, wherein the opening defines a longitudinal axis. The one or more markers are coupled to the attachment element so as to be symmetrically arranged with respect to the longitudinal axis.

A method, performed by an electronic device, of training a generative model, the method including: obtaining a first label for an input sequence; generating a second label from the first label using a plurality of markers comprising information on a distance between a respective marker from the plurality of markers and an end point of the first label; training the generative model based on the input sequence and the second label; and modifying one or more parameters of the generative model based on the training of the generative model.

There is provided an information processing apparatus to more easily estimate a position and a posture of an imaging camera. The information processing apparatus includes: a position estimation unit configured to estimate a position and a posture of an imaging camera configured to image an image displayed on a display device as a background by using a plurality of markers existing on a display surface of the display device; and a marker control unit configured to control display or non-display of each of the markers on the basis of a viewing angle of the imaging camera determined from the position and the posture of the imaging camera.

Methods and techniques are disclosed to provide enhanced augmented reality and / or virtual reality content to a user based upon a physical media item such as a book, poster, museum display, or the like. A user device obtains an image of an access code that begins the enhanced experience. The device then may be used to scan one or more markers in or on the physical media that link to VR and / or AR digital content items associated with the physical media item or a portion thereof. The user is therefore able to experience the conventional printed media item in conjunction with enhanced material without requiring modification of the physical media item itself.

The invention discloses an intelligent illumination communication control method and system, and belongs to the field of intelligent illumination control, and the method comprises the steps: collecting an area image of illumination covered by an illumination lamp source array; transmitting the regional image, and performing portrait recognition and division to obtain a plurality of user regions; an image of a user area is collected, multiple marked area images are obtained, user type identification is carried out, multiple user type information is obtained, user feature identification is carried out, and multiple user feature identification results are obtained, so that an illumination control scheme of an illumination lamp source array is optimized, an optimal illumination control scheme is obtained, and the illumination lamp source array is controlled. The technical problem that the illumination effect of the illumination lamp source array is poor due to the lack of real-time capture and recognition of user features in the prior art is solved, and the technical effects that the illumination control scheme is optimized by recognizing the feature information of different types of users, illumination lamp source control is performed, and the illumination effect is improved are achieved.

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.

A user interface for a surgical system is configured to proceed through a plurality of modes and display a current mode among the plurality of modes. Each of the plurality of modes is associated with one or more sub-modes, and the user interface is configured to proceed through the plurality of modes and the plurality of sub-modes in sequence. The user interface is configured to automatically generate an image from an image source for each of the modes and sub-modes and overlay one or more markers on the image along with instructions to the user. The user interface is configured to provide a control panel comprising plurality of frequently used user inputs below a centerline of a display for ergonomics, and to highlight a current mode of the sequence on a display relative to the other modes to show progression through the sequence of modes.

The invention relates to a steel roof supporting structure safety monitoring method and system based on visual identification, and belongs to the field of constructional engineering, and the method comprises the steps: building a finite element model of a steel roof supporting structure; according to nodes of the finite element model, monitoring points are selected on the steel roof supporting structure; the real-time displacement of a monitoring point is obtained through visual recognition, and the method comprises the steps that a marker dynamically adaptive to the environment is arranged on the monitoring point; collecting and identifying a plurality of marker images through a calibration camera, and obtaining real-time displacements of a plurality of monitoring points; adjusting a real-time displacement alarm threshold value of the monitoring point according to the real-time working condition When the real-time displacement of any monitoring point exceeds the corresponding alarm threshold value, an alarm signal is sent out. The monitoring efficiency is improved, the method is suitable for various field illumination environments, the real-time displacement of a monitoring point can be obtained more accurately and timely, corresponding alarm threshold values can be set after the stress data of the steel roof supporting structure changes under different working conditions, and more effective safety monitoring is achieved.

A marking alignment tool in the form of a saddle square is provided. The square has first and second legs that define orthogonal workpiece abutment planes and an alignment point. A continuous angle marking channel is provided through the first leg and extends through a top and bottom surface thereof. The channel provides a plurality of marking channel portions that are radially and angularly offset from one another such that a marking tool can be guided at predetermined angular locations relative to a side of a workpiece to form desired marks thereon.

The invention relates to an AprilTag code-based surgical instrument tip positioning method, which comprises the following steps of: adding an octagonal prism with a plurality of AprilTag marks at the tail part of a surgical instrument, and calculating the accurate position of the tip of the surgical instrument in a camera coordinate system by combining image information captured by a camera. According to the method, high detection precision and stability of an AprilTag mark are utilized, a transformation relation between a tool and a camera coordinate system is determined through a calibration process, and high-precision and high-robustness surgical instrument positioning is realized by combining real-time pose detection and a nonlinear optimization algorithm. The problems that a traditional marker is prone to being shielded and low in operation flexibility are solved, and the positioning precision and reliability of a surgical navigation system are improved.

To provide a finished form measurement system and finished form measurement method for on-site concrete structures which can evaluate measured values of finished form measurement in real time without replacing measuring instruments.SOLUTION: A finished form measurement system 1 for on-site concrete structures which measures the finished form of on-site concrete structures (box girder bridge B1) that are built by casting concrete on site includes multiple infrared cameras 2 that are installed at different positions, multiple markers 3 that are attached to particular jigs, a computer 10 that performs calculations according to a particular program, and a memory device 11 that is connected to the computer; the system measures the finished form of the on-site concrete structures (box girder bridge B1) by photographing the markers 3 from different directions with the infrared camera 2 and calculating the three-dimensional position information of each marker 3.SELECTED DRAWING: Figure 1

Methodology for mapping and localizing articles in an intralogistics environment (e.g. a chaotic warehouse) employs a camera, a computer connected to the camera, and a plurality of markers at articles and / or storage locations. The computer is configured to search for markers in captured images and to estimate the pose of at least one identified marker relative to the camera. The marker includes an ID section and a detection feature. The computer calculates the position and / or orientation of such identified marker or the position and / or orientation of the camera, reads the ID section, calculates an object ID, and enters the position and / or orientation of the identified marker and the object ID into a marker database. Further, a light pointer configured to point to a selected item is mounted together with the camera on a pan-tilt head configured to change the light pointer's orientation in at least two axes.

According to the scanning device and the tracking type three-dimensional scanning equipment, the scanning device comprises a frame and a plurality of mark islands, the mark islands are arranged on the periphery of the frame and connected with the frame, at least two mark points in each mark island can be recognized by a tracking device at the same time, the diameter of each mark point is set to be D, and D is larger than or equal to 10 mm and larger than or equal to 25 mm. When the scanning device is applied to the tracking type three-dimensional scanning equipment and works, the at least two marking points on the marking island are easier to identify by a tracking device, so that on one hand, the scanning test distance of the scanning device during working can be increased, and the scanning test space can be expanded; and on the other hand, the scanning precision of the scanning device during working can be improved.

To provide a system and a method for analyzing and reviewing surgical operation video that enables a surgeon to view an operation event to give decision support and / or efficiently and effectively analyzes the surgical operation video so as to facilitate after-operation activities.SOLUTION: A method for reviewing surgical operation video includes the steps of: accessing at least one video of a surgical procedure; causing the at least one video to be output for display; overlaying on the at least one video output for display a surgical timeline, wherein the surgical timeline includes markers identifying at least one of a surgical phase, an intraoperative surgical event, and a decision making junction; and enabling a surgeon, while viewing playback of the at least one video, to select one or more markers on the surgical timeline, and thereby causing a display of the video to skip to a location associated with the selected marker.SELECTED DRAWING: Figure 5

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for backing up a data object in blocks. One of the methods includes determining, for a data object of a backup process, whether a size of the data object or an estimated backup time of the data object satisfies a criterion that, when satisfied, indicates that at least two blocks of the data object should be separately fetched from the source system by different workers; determining one or more markers for end points of the at least two blocks using data from a prior backup of the data object; and causing, at least partially concurrently for two or more blocks from the at least two blocks, a respective backup worker to fetch the respective block from a source system using at least one marker from the one or more markers that defines an end of the respective block.

A method for anti-counterfeiting and identification of products includes manufacturing multiple marking units with different characteristics, performing an arrangement and combination operation on the marking units to design multiple arrangement marks that are not repeated, recording the arrangement marks to construct a record datebase, and setting each of the arrangement marks with the marking units on a target product such as a medicine. After the consumer purchases the target product, the photos of the target product and the record datebase are identified and compared to judge the authenticity of the target product.

A marking alignment tool in the form of a saddle square is provided. The square has first and second legs that define orthogonal workpiece abutment planes and an alignment point. A continuous angle marking channel is provided through the first leg and extends through a top and bottom surface thereof. The channel provides a plurality of marking channel portions that are radially and angularly offset from one another such that a marking tool can be guided at predetermined angular locations relative to a side of a workpiece to form desired marks thereon.

A stage has a takeoff and landing surface. The takeoff and landing surface has an opening through which loading and unloading to and from a flying object is carried out. The takeoff and landing surface has a plurality of markers formed thereon. Each marker is a figure or the like for identifying a relative position between the flying object and the stage. The opening is formed in the takeoff and landing surface such that an edge of the opening does not cross the markers.

To provide a method, a system and software for training a model for phenotyping subjects with respect to a medical condition.SOLUTION: A method includes generating a plurality of labeling functions with respect to a medical condition. Each of labeling function within the plurality of labeling functions includes comprises a corresponding set of one or more criteria that, when satisfied, indicate presence or absence of the medical condition. The method also includes assigning, to each medical record in a first plurality of medical records, a corresponding label indicating a status of the medical condition by evaluating first information from the respective medical record using an ensemble model comprising the plurality of labeling functions to obtain as output from the ensemble model prediction for the status of the medical condition, wherein the evaluating comprises natural language processing of at least a portion of each medical record.SELECTED DRAWING: Figure 2E

The invention provides a visual mistake proofing device for bearing bush assembly, and relates to the technical field of engine bearing bush assembly mistake proofing, the visual mistake proofing device comprises a marking pipe and a plurality of marking seats, a plurality of positioning notches are machined in one side of the marking pipe, a plurality of mounting notches are machined in the other side of the marking pipe, each marking seat comprises a mounting ring, and a disc is integrally formed on the inner wall of each mounting ring; an erecting lantern ring is integrally formed in the center of each of the two sides of the disc, a marking column is rotationally connected to the interior of each erecting lantern ring, and two marking heads are connected to the interior of one end of each marking column in an embedded mode; the technical key points are as follows: a plurality of marking seats which are coaxially arranged inside are mounted inside a marking pipe, and a plurality of positioning notches in the marking pipe are used for buckling the positioning notches outside a plurality of tile seats, so that when two marking columns on the two sides of the mounting notches are controlled, the positioning notches are buckled outside the tile seats; and after the red or blue marking head on the marking column faces the opening of the mounting notch to carry out journal marking, the bearing bush is convenient to assemble, and a worker does not need to memorize the bearing bush.

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