154 results about "Target capture" patented technology

The invention relates to the field of industrial automation, in particular to a material grabbing method, device and equipment and a program product. The method comprises the following steps: collecting a first image comprising a material through a top camera; determining a target capture area of the first image through a preset first visual model; the mechanical arm is controlled to move to the target grabbing area, and a second image including the target grabbing area is collected through the wrist camera; determining an action sequence and a grabbing pose of the mechanical arm for grabbing the material in the second image through a preset second visual model; and the materials are grabbed according to the action sequence and the grabbing poses. According to the method, the reliability in a disordered stacking scene can be improved, even if the materials move in the grabbing process, the output action sequence can be adjusted in time through timely updated observation of the wrist camera, the grabbing success probability can be improved, and the method can effectively adapt to grabbing operation in a dynamic change scene.

The invention discloses a humanoid robot falling prediction method, device and equipment and a storage medium, and relates to the technical field of robot control, and the method comprises the steps: obtaining target state information and a target capture point position corresponding to a target humanoid robot in real time in a task execution process of the target humanoid robot; whether the target humanoid robot can reach the target capture point position or not is judged based on the target state information, if yes, the predicted falling time of the target humanoid robot is determined, and the target motion time of the target humanoid robot reaching the target capture point position is determined; and if the predicted fall-down time is greater than or equal to the target motion time, generating a ZMP sequence of the target humanoid robot through a model prediction control algorithm, and predicting whether the target humanoid robot falls down or not based on the ZMP sequence and the target capture point position so as to perform fall-down protection on the target humanoid robot. According to the method, the dynamicity and timeliness of fall prediction of the humanoid robot can be improved, and safety protection is carried out during fall.

The embodiment of the invention discloses a cluster robot self-organization control method based on environment gradient and local interaction. According to the method, individual autonomous motion control is achieved through distributed sensing and behavior decision, a light intensity gradient field is constructed through environment interaction to achieve implicit communication, and by combining state analysis, cluster synchronization and firmware maintenance functions, a robot can self-organize to emerge macroscopic intelligent behaviors such as feedback adjustment and target capture under the condition of no centralized control. The corresponding system can comprise a robot individual, an external state analysis device, a synchronous beacon and an updating server, through cooperative work of all the modules, the problems that a traditional system is complex in communication and poor in expandability are effectively solved while individual simplicity is kept, and low-cost and high-robustness cluster cooperative control is achieved.

The invention provides a capture primer group and a kit for targeted Salivirus genome sequencing and application of the capture primer group and the kit, and belongs to the technical field of genome sequencing. The targeted capture primer group of the Salivirus virus genome comprises a primer 1 and a primer 2, the nucleotide sequence of the primer 1 is as shown in SEQ ID NO. 1, and the nucleotide sequence of the primer 2 is as shown in SEQ ID NO. 2. According to the invention, a universal reverse transcription oligo-T primer and the Salivirus specific primer group provided by the invention are put into the reverse transcription step at the same time, so that not only is a macro transcription effect achieved, but also a Salivirus sequence in a sample is synchronously identified for specific capture. According to the method, the complete Salivirus genome sequence can be efficiently obtained, and the method has good coverage and sequencing adaptability to the virus genome.

To provide information processing equipment and other devices that reduce the workload of security operations. [Solution] An information processing device according to one embodiment of the present invention includes an image acquisition unit that acquires an image of a security target captured by an imaging device, an instruction unit that inputs a prompt to a generation AI model that includes an instruction to output in text the result of comparing a reference image, which is set in advance as a reference image among the images of the security target, the latest image which is the most recent image in the time series, and past images which are images acquired in the past than the latest image, and a notification unit that generates a notification based on the output of the generation AI model.

A projection system and a projection method are provided. The projection system includes a projection module, an image capture apparatus, an input apparatus, and a processor. The processor is configured to: receive an input signal from the input apparatus and generate an input command accordingly; drive the image capture apparatus to obtain a target captured image, where the target captured image includes a target image corresponding to a target object; transmit the target captured image and the input command to a cloud server; receive an analysis result generated by an artificial intelligence computing module according to the input command and the target image from the cloud server; determine display information according to the analysis result, and calculate a display position of the display information within a projection range; and drive the projection module to project an information image with display information.

Provided is a high-resolution promoter interaction fragment targeted capture method suitable for plants, which comprises: constructing a chromatin conformation capture pre-library; designing an RNA probe reversely complementary to a core promoter sequence; using the RNA probe to capture a promoter interaction fragment in the chromatin conformation capture pre-library; amplifying the library; and performing sequencing to obtain information of the promoter interaction fragment. By means of complementarily pairing hybridization between an RNA and a DNA, the capture method can specifically capture a promoter interaction fragment from a high-resolution chromatin conformation capture library, so as to obtain information of the promoter interaction fragment. Compared with existing capture technologies, the method exhibits greatly improved capture efficiency and has an obvious advantage in searching for distal regulatory elements.

The invention belongs to the technical field of high-precision target tracking, and particularly relates to a high-precision target tracking method. The method comprises the steps of S1, reading a first frame of image, judging a target state based on a current frame of image, if the target state meets a first judgment condition, executing a step S2, and otherwise, executing a step S3; s2, global target capturing is carried out based on a YOLO model, if the number of captured targets is larger than or equal to 1, the step S3 is executed, and otherwise, the step S5 is executed; s3, acquiring a capture area of each target, and correspondingly setting a to-be-selected area of each target based on the capture area of each target; s4, performing real-time high-precision target detection on the to-be-selected area of each target based on a gravity center detection algorithm to obtain a target detection result; and S5, judging whether the target detection is finished or not, if so, finishing the target detection, otherwise, replacing the first frame of image with the next frame of image, and repeating the step S1. According to the invention, high-accuracy, high-precision and high-real-time fusion target detection can be realized.

The invention discloses an aptamer-based oxytetracycline fluorescent quantitative PCR (Polymerase Chain Reaction) detection kit as well as a preparation method and a detection method thereof, and relates to the technical field of analysis and detection.The detection method comprises the following steps: mixing and incubating a sample to be detected, an oxytetracycline specific aptamer, a complementary chain and a magnetic bead curing capture probe; magnetically separating out the mixed and incubated magnetic beads, curing and capturing the probe, and washing to obtain a magnetic compound; adding PCR reaction liquid containing the primer pair and a TaqMan probe into the magnetic compound, carrying out fluorescent quantitative PCR amplification, and monitoring a fluorescent signal in real time to obtain a Ct value; establishing a standard curve between the oxytetracycline concentration and the Ct value of the fluorescent quantitative PCR, and determining the oxytetracycline concentration in the sample to be detected according to the standard curve. Based on an indirect competitive mechanism, through signal conversion design, combination of oxytetracycline and the aptamer is converted into quantitative analysis of free sDNA, and through integration of three technologies of aptamer free recognition, magnetic bead targeted capture and qPCR signal amplification, the sensitivity and anti-interference capability of oxytetracycline detection are improved.

The invention discloses a biosensor based on an ultraviolet light triggered bio-barcode release technology (OBCA) and construction and application of the biosensor. The biosensor comprises nucleic acid functionalized silver nanoparticles, nucleic acid functionalized magnetic beads and a CRISPR (clustered regularly interspaced short palindromic repeats) / Cas12a detection system, the DNA bar code modified on the surface of the silver nanoparticle contains a light cleavable linker, a CRISPR / Cas12a activation sequence and a target capture sequence I, and a DNA capture probe containing a target capture sequence II is fixed on the surface of the magnetic bead through biotin-streptavidin action. During detection, target miRNA mediates two capture sequences to form a sandwich compound, after magnetic separation and thermal denaturation elution, 365nm ultraviolet radiation releases DNA bar code fragments, and the Cas12a trans-cleavage fluorescence quenching reporter probe is activated to generate a signal. According to the method, nucleic acid amplification and reverse transcription are not needed, the detection limits of miR-21, miR-155 and mi-210 respectively reach 158.94 aM, 763.56 aM and 197.82 aM, single-base mismatch and precursor miRNA can be distinguished, the serum sample detection result is highly consistent with that of RT-PCR, and the method is suitable for high-sensitivity quantitative detection of miRNA.

The invention discloses an up-conversion nano-composite with a core-shell structure, a preparation method and application, and belongs to the technical field of biomedical bimodal nano-probes. According to the nanocomposite, up-conversion nanoparticles (UCNPs) serve as a core, metal-organic frameworks (MOFs) serve as a shell layer, horse radish peroxidase (HRP) is loaded on the shell layer, and UCNP (at) MOF / HRP is formed. Subsequent biological functional modification, such as coupling of an antibody, an antigen, nucleic acid and other substances, can be carried by an activating group or a metal coordination bond carried by a shell ligand of the upconversion nanocomposite MOF with the core-shell structure, so that the functions of specific recognition, targeted capture, specific loading and the like are realized.

This invention provides a method, apparatus, electronic device, and storage medium for detecting image copying, belonging to the field of artificial intelligence technology. The method includes: inputting the image to be identified into a feature extraction model to obtain multi-dimensional image visual features; if the multi-dimensional image visual features meet preset copying judgment conditions, then inputting the multi-dimensional image visual features into an image detection model to obtain a copying detection result; the image detection model includes a rule encoding network, a cross-modal fusion network, and an output network; the rule encoding network encodes the copying image judgment rules to generate a rule condition vector; the cross-modal fusion network fuses the rule condition vector and the multi-dimensional image visual features to generate fused features; and the output network determines the copying detection result based on the fused features. This invention achieves targeted capture of copying features by encoding the copying judgment rules into vectors and fusing them with visual features across modalities, thereby improving the accuracy of copying recognition and robustness against complex copying methods.

The invention relates to a drug-resistant gene targeted enrichment method using dCas9 and application of the drug-resistant gene targeted enrichment method, and belongs to the technical field of nucleic acid enrichment. The drug-resistant gene targeted enrichment method comprises a CRISPR-dCas9 system for targeting a target gene and a target capture magnetic bead matched with the CRISPR-dCas9 system; the CRISPR-dCas9 system comprises a target DNA (Deoxyribose Nucleic Acid), a dCas9 protein and a target nucleic acid targeted sgRNA (Single Guide Ribonucleic Acid), and the targeted capture magnetic bead is a His tag protein purified agarose magnetic bead. According to the method, a CRISPR-dCas9 system and His tag protein are integrated to purify agarose magnetic beads, and dCas9 protein with a His tag is combined with the magnetic beads to construct a novel enrichment scheme; his magnetic beads are combined with dCas9 with a His tag under the condition that protein denaturation is not achieved, and drug-resistant gene targeted enrichment is achieved; the whole scheme is easy to operate, mild in condition, low in cost and suitable for common laboratories and on-site rapid detection to improve sensitivity. According to the method, the target gene is highly specifically recognized through sgRNA, magnetic bead capture is combined, and the method has the advantages of being efficient, specific and easy to operate and has application value in the fields of drug-resistant gene screening and diagnosis, third-generation sequencing and the like.

The present application relates to a primer combination for amplifying whole genome DNA of sheep embryo cells and application thereof, and the primer combination is composed of 20 or 30 primers. The present application designs random primers based on sheep reference genome sequence, optimizes the reaction system based on MDA whole genome amplification technology, so that the whole genome DNA amplification product with high coverage and low mismatch rate can be generated by using 10 sheep embryo cells or as low as pg level genomic DNA, which can be directly adapted to downstream applications such as second-generation sequencing and targeted capture sequencing, and the detection cost is reduced.

The invention provides a test method and platform for a target capture square wave signal frequency calculation module. The method comprises the following steps: S1, determining a plurality of target capture square wave signal waveform templates which correspond to a tested module and meet preset test requirements; s2, generating a plurality of target capture square wave signals which respectively correspond to the plurality of target capture square wave signal waveform templates, meet preset test requirements and are adjustable in single period; s3, selecting a target capture square wave signal and inputting the target capture square wave signal into the tested module; s4, executing the tested module to obtain a target capture square wave signal frequency measured value; s5, judging whether the measured frequency value of the target capture square wave signal is consistent with the expected frequency value of the target capture square wave signal or not; the target capture square wave signal frequency expected value is calculated based on a target capture square wave signal input into the tested module; and S6, under the condition of consistency, determining that the test result is passed. According to the scheme, the function test, the boundary test and the like of the target capture square wave signal frequency calculation module can be more accurately carried out.

An object recognition system includes object detection circuitry configured to detect two or more portions of an object as a detection target captured in a frame image input from a camera, fitness calculation circuitry configured to calculate fitness as a recognition target of an object as a detection target based on positions and sizes of the two or more portions, comparison circuitry configured to compare the fitness as the recognition target with a predetermined reference value, and object recognition circuitry configured to recognize only an object as the detection target that has cleared the reference value as a result of the comparison.

The application discloses a wind speed measurement method, device and equipment and a readable storage medium, and relates to the meteorological technical field. The method comprises the following steps: firstly, a timer with a preset clock frequency is used to capture the pulse edge of the photoelectric pulse signal, and the counter value of the current timer when the capture event occurs is recorded; then, when the counter value reaches the maximum count value, an overflow event is triggered, the overflow times are accumulated, and the accumulated overflow times when the capture event occurs are recorded; then, according to the accumulated overflow time difference between two target capture events, the counter value difference and the maximum count value, the target count value of the pulse width between the two target capture events is calculated; finally, according to the target count value, the preset clock frequency and the grid number of the grid, the wind speed measurement result is calculated. The method increases the wind speed measurement accuracy and the wind speed measurement range.

This invention belongs to the field of medical testing technology, specifically relating to a lateral flow test strip for ultra-high sensitivity detection of pathogens and its application. The lateral flow test strip provided by this invention uses polydopamine nanoparticles modified with bacterial antibodies as signal probes. Multiple detection lines are set on the NC membrane, and the detection lines are obtained by scribing with a bacterial antibody solution as ink. This invention replaces Au NPs in classic LFIAs with PDA NPs. Relying on the high extinction coefficient, affinity for bacteria, and stability of antibody binding of PDA NPs, a two-order-of-magnitude improvement in sensitivity is achieved when using LFIAs to detect bacteria. Simultaneously, utilizing the high extinction coefficient of PDA NPs, their signals can be identified and statistically analyzed by ImageJ software even when invisible to the naked eye. Combined with multiple test strips, this improves target capture efficiency, thereby achieving highly sensitive detection of pathogenic bacteria.

The invention provides a method suitable for high-resolution targeted capture of promoter interaction fragments of plants. The method comprises the following steps: constructing a chromatin conformation capture pre-library; designing an RNA probe which is reversely complementary with the core promoter sequence; capturing a promoter interaction fragment in the chromatin conformation capture pre-library by using an RNA probe; performing library amplification; and sequencing to obtain promoter interaction fragment information. According to the capturing method, the promoter interaction fragment is specifically captured from the high-resolution chromatin conformation capturing library through complementary pairing hybridization of RNA and DNA, and then promoter interaction fragment information is obtained. And compared with the existing capture technology, the capture efficiency is greatly improved, and the method has obvious advantages in searching far-end regulation and control elements.

The embodiment of the invention provides a target image tracking control method and system for a photoelectric turret, computer equipment and a medium, and belongs to the technical field of automatic control, and the method comprises the steps: S1, obtaining the altitude of a task area; s2, calculating an angular velocity compensation value; s3, selecting an interest target; s4, calculating an azimuth tracking miss distance and a pitching tracking miss distance; s5, calculating an initial angular velocity; s6, calculating the compensated angular velocity; and S7, the angular velocity difference value is input into a stable controller, the stable controller outputs a motor driving amount after receiving the angular velocity difference value, and a stable platform torque motor is driven to rotate. According to the method, the relative movement of the aircraft and the target is overcome, the visual axis translation caused by the linear displacement angular velocity in the flight state is counteracted, the target capturing and tracking difficulty in the flight is greatly reduced, the tracking performance of the target in the dynamic state is ensured, and the target capturing efficiency is improved. The method is small in calculation amount, low in cost, high in portability and suitable for being used on the photoelectric turret.

The invention generally relates to capturing, amplifying, and sequencing nucleic acids. In certain embodiments, copies of the sense and antisense strands of a duplex template nucleic acid are captured using linked capture probes and multiple binding and extension steps to improve specificity over traditional single binding target capture techniques. Methods of seeding sequencing clusters with sense and antisense strands of a target nucleic acid are also disclosed including identifying the strands using sense-specific barcodes and confirming base calls using two sense-specific sequencing reads. Linked adapters may be used to increase adapter ligation selectively or efficiency and yield.

The embodiments of the present application relate to the technical field of information processing. Provided are a method and apparatus for controlling an earphone having a camera, and an earphone and a storage medium. The method comprises: when an earphone is in a worn state, controlling a camera to acquire at least one environmental image frame; sending the at least one environmental image frame to a terminal device, such that an image analysis end deployed on the terminal device analyzes an environmental image to obtain a detection result of a first wearing orientation of the earphone; and receiving the detection result of the first wearing orientation sent by the terminal device, and in response to the first wearing orientation failing to meet a target capture requirement, providing a first prompt to a user to prompt the user to adjust a wearing orientation of the earphone. The present application can solve the problem of the low quality of images captured by the camera due to a wearing orientation of the earphone having the camera.

The invention relates to a wireless camera motion control method and device, computer equipment and a storage medium. According to the application, a complete closed loop of image acquisition, wireless transmission, upper computer processing and motion control feedback can be constructed, so that the camera can automatically perform motion adjustment according to the difference between the actual position and the expected position of the target in the three-dimensional space. According to the method, an image is obtained through an image sensor, preprocessed and then wirelessly sent to an upper computer, the upper computer calculates the three-dimensional pose of a target and generates a control instruction, and finally, a core processing unit drives a camera to complete actions, so that the target in a shot picture is always kept at a specified position. Wireless, real-time and adaptive camera tracking control is realized in the whole process, manual operation is greatly reduced, and target capturing stability and shooting precision are improved.

This invention belongs to the field of spectroscopic detection and discloses a SERS biosensor and its application that triggers aptamer conformational transitions by target molecules. The SERS biosensor provided by this invention introduces DNA tetrahedrons as the capture substrate, which has the advantages of simple synthesis, high mechanical stiffness, ordered structure and high stability, and can significantly improve the barrier effect of the monolayer formed by single-stranded DNA self-assembly on target capture. Secondly, a hierarchical assembly signal amplification strategy is introduced to create a dual-mode SERS "hot spot", and this synergistic effect significantly enhances the Raman signal. At the same time, SERS sensing technology is integrated with microfluidic chips to construct SERS microfluidic chips, which have the characteristics of layering and miniaturization, high sensitivity and fast response, and are suitable for screening patients with heart failure, and can achieve highly sensitive detection of people with heart failure.

The invention provides a projection system and a projection method. The projection system comprises a projection module, an image acquisition device, an input device and a processor. The processor is configured to: receive an input signal of an input device and generate an input instruction according to the input signal; driving the image acquisition device to acquire a target acquisition image, wherein the target acquisition image comprises a target image corresponding to the target object; transmitting the target captured image and the input instruction to a cloud server; receiving an analysis result generated by an artificial intelligence operation module from the cloud server based on the input instruction and the target image; determining display information according to an analysis result, and calculating a display position of the display information in the projection range; and driving the projection module to project an information image with display information. According to the projection system and the projection method provided by the invention, the target information corresponding to the target object can be projected and displayed around the target object in time.

A screenshot processing method, relating to the technical field of image processing. The method includes: performing contour recognition on the current picture so as to determine, according to the obtained contour recognition result, a candidate capturing area (S210); in response to an instruction of a screenshot operation, determining at least one target capturing area in the current picture according to the instruction of the screenshot operation and the candidate capturing area (S220); and performing the screenshot operation on the current picture on the basis of the at least one target capturing area so as to generate a target image (S230).

The invention provides a picture copying detection method and device, electronic equipment and a storage medium, and belongs to the technical field of artificial intelligence, and the method comprises the steps: inputting a to-be-recognized picture into a feature extraction model, and obtaining a multi-dimensional image visual feature; if the multi-dimensional image visual features meet a preset copying judgment condition, inputting the multi-dimensional image visual features into an image detection model, and obtaining a copying detection result; the image detection model comprises a rule coding network, a cross-modal fusion network and an output network; the rule encoding network encodes the duplicated picture judgment rule to generate a rule condition vector; the cross-modal fusion network carries out fusion processing on the rule condition vectors and the multi-dimensional image visual features to generate fusion features; and the output network determines a copying detection result based on the fusion features. According to the method, the copying judgment rule is coded into the vector, and cross-modal fusion is performed on the vector and the visual features, so that targeted capture of the copying features is realized, and the accuracy of copying recognition and the robustness of complex copying means are improved.

The invention discloses a probe set for evaluating pancreatic cancer whole-body tumor load and application thereof.The probe set comprises probes used for detecting gene markers, the gene markers comprise KRAS, TP53, CDKN2A, SMAD4, RNF43, TGFBR2, PIK3CA, BRAF, GNAS and CTNNB1, high-frequency and medication-related sites of pancreatic cancer are covered, targeted capture is conducted on plasma ctDNA independently or when the probe set and a personalized probe set are used in an overlapped mode, and the pancreatic cancer whole-body tumor load is evaluated. And the whole-body tumor load of the pancreatic cancer patient is dynamically monitored in real time.

To provide a filling method capable of highly efficiently filling a target capturing substance into a microwell.SOLUTION: A filling method for filling a target-capturing substance into a microwell, the method comprising: a capture substance information acquisition step of acquiring capture substance information on a target-capturing substance to be used; a rate determination step of determining, based on the capture substance information acquired in the capture substance information acquisition step, an introduction rate at which a dispersion medium in which the target-capturing substance is dispersed is introduced into a region provided with a plurality of the microwells on a substrate provided with the microwells; A capture substance filling step of filling the one or more microwells with the target-capturing substance.SELECTED DRAWING: Figure 2

A system performs pose calibration between a LiDAR sensor and a camera. The system may receive an image frame captured by the camera mounted on a device. The system may receive a point cloud captured by the LiDAR sensor mounted on the device, the LiDAR sensor having an overlapping field of view with the camera. The system may identify markers of a calibration target captured in the image frame by applying a feature identification model to the image frame. The system may identify the markers of the calibration target captured in the point cloud by: clustering points in the point cloud into one or more planes, selecting one of the planes based on sizes of the planes; and identifying holes in the selected plane as the markers of the calibration target. The system may determine a pose transformation between the camera and the LiDAR sensor based on information identifying the markers from the image frame and information identifying the markers from the point cloud.