48results about How to "Increase the amount of effective data" patented technology

The invention discloses a region-based laser radar variable-density scanning system and method. According to the system and method, the three-dimensional fusion data of the image data of a video camera, the point cloud data of a laser radar or the image data and the point cloud data are analyzed, so that a critical region is obtained, the scanning region of the laser radar and the scanning densityof the laser radar are controlled according to the critical region, and control signals are sent to a laser transmitter; and the laser transmitter, based on the control signals sent by a laser scanning controller, transmits laser beams to perform laser scanning on the scanning region corresponding to the critical region with a first scanning density and transmits laser beams to perform laser scanning on scanning regions corresponding to regions other than the critical region with a second scanning density. Therefore, the effective data amount of the laser radar is improved, the scanning precision of the critical region is improved, invalid data amount is reduced, and the effective resolution of the laser radar can be increased.

The invention discloses a graded diagnosis and treatment evaluating method based on data mining. The method comprises the steps: extracting essential information and diagnosis and treatment information on patients from medical records, associating the essential information and the diagnosis and treatment information with disease category information and medical institution information, and firstly, carrying out data cleaning and missing value filling so as to divide the patients into patients of different flow directions; then, calculating graded diagnosis and treatment monitoring indexes by using the data; portraying visiting behaviors and features of different patients by a GainRatioAttributeEva feature selection algorithm and a RIPPER sorting algorithm. According to the method, through evaluating graded diagnosis and treatment by qualitative indexes and quantified indexes, the defects in the current graded diagnosis and treatment evaluating methods that only the quantified indexes exist, the indexes are required to be reported layer upon layer, mis-reporting and confused reporting occur during reporting, and the tracking of reasons behind the indexes is absent are overcome; by using a data mining technology, graded diagnosis and treatment evaluation is more timely and accurate.

The invention discloses a kit and a method for detecting 50 tumor-relevant hotspot mutation genes. According to the method, a capture method of 207 hotspot mutation regions of 50 relevant genes (including oncogenes and cancer suppressor genes) and a preparation method of a liquid-phase hybridization library used in capturing are researched aiming at oncology. The method particularly comprises the steps of selecting sequence information of 207 hotspot mutation regions, designing a PCR primer, preparing a biotin labeled liquid-phase hybridization library by virtue of a PCR method, hybridizing the biotin labeled liquid-phase hybridization library with a constructed target genome DNA library, and carrying out high-throughput sequencing and bioinformatics analysis on captured fragments, so as to obtain the mutation condition of nucleic acid sequence sites of a sample. By virtue of the method provided by the invention, high-quality sequencing data can be obtained, the relatively high capturing efficiency and the relatively good uniform capturing of the target sites can be realized, the disadvantages of low efficiency, poor uniformity and the like of solid phase hybridization are solved, and the sequencing cost is greatly lowered.

The invention relates to the field of the internet and discloses a web search method based on search engines and electronic equipment to solve the technical problem in the prior art that the valid data size obtained by a first screen is lower during search based on search engines. The method comprises the following steps: receiving web search operation of a user via a first search engine based on key information; responding to the search operation and obtaining a first search result through search via the first search engine according to the key information; obtaining category information to which the key information belongs; carrying out search based on the key information and the category information to obtain a second search result; and displaying the first search result in a first display area of a display interface and displaying the second search result in a second display area of the display interface. The technical effect of increasing the valid data size obtained by the first screen during search based on the search engines is achieved.

The invention relates to the field of Internet, and discloses an information recommendation method based on a search engine, and an electronic device, so as to solve technical problem in the prior art that valid data amount obtained by a first screen is low based on search of a search engine. The method comprises: receiving search operation that a user performs web search in a first search engine based on key information; responding to the search operation, through the first search engine, searching by the key information, to obtain a first search result; determining whether the key information includes search class information; when the key information includes the search class information, obtaining recommended search records and recommended reasons aimed at the key information in the search class information; and displaying the first search result in a first display region of a display interface, and displaying the recommended search records and recommended reasons in a second display region of the display interface. The method achieves technical effect of increasing valid data amount obtained by a first screen when searching based on a search engine.

The invention relates to the field of the internet and discloses a web search method based on search engines and electronic equipment to solve the technical problem in the prior art that the valid data size obtained by a first screen is lower during search based on the search engines. The method comprises the following steps: firstly receiving the web search operation of a user via a first search engine; secondly responding to the search operation and obtaining a first search result through search via the first search engine, wherein the first search result comprises M-numbered promotion information; thirdly determining the first user attribute information of the user; determining N-numbered promotion information belonging to the first promotion information category in the M-numbered promotion information, wherein the first promotion information category corresponds to the first user attribute information; and displaying the first search result in a first display area and displaying a second search result in a second display area. The technical effect of increasing the valid data size obtained by the first screen during search based on the search engines is achieved.

The invention provides a plasma cfDNA (cell-free deoxyribonucleic acid) bi-molecular marker. The bi-molecular marker is oligonucleotide, the sequence is represented as follows: a) 5'P-GACGTC-GATCGGAAGAGCTCGTATGCCGTCTTCTGCTTG, b) 5' ACACTCTTTCCCTACACGACGCTCTTCCGATCT-NNNNNNNNNNNNNNNNNNNN-GACGTCT, the sequence of oligonucleotide is from the 5' terminal to the 3' terminal from left to right, N represents a random basic group, and P represents a phosphate group; the oligonucleotide sequence is synthesized artificially. The plasma cfDNA bi-molecular marker is used for distinguishing every plasma cfDNA molecule by adding a unique molecular marker to every plasma cfDNA molecule and can be applied to plasma cfDNA detection. The plasma cfDNA bi-molecular marker overcomes defects of cfDNA detection with a conventional NGS (next generation sequencing) technology, and specifically has following technical effects: 1), the cfDNA valid data volume in a database construction process is increased; 2), noise signals such as deviation and detection errors produced in intermediate steps of gene detection can be reduced; 3), target variation can be effectively detected, meanwhile, low false positive rate is realized, and accuracy and stability of gene detection are improved.

The present invention relates to the field of the Internet and discloses a searching record display method and an electronic device so as to solve the technical problem that in prior art, when searching is carried out based on a search engine, the valid data amount obtained by a first screen is relatively small. The method comprises: receiving a search operation of carrying out network searching by a user through key information; then responding to the search operation to obtain a first search result under a first search engine; displaying the first search result on a first display area of a display interface of a browser, and displaying a second search result on a second display area of the display interface; determining whether a display width of the display interface is greater than a predetermined width; and when the display width is not greater than the predetermined width, displaying the keyword information corresponding to at least one searching record in the first search result and/or the second search result. The method and the electronic device which are provided by the present invention achieve the technical effect of increasing the valid data amount obtained by the first screen when searching is carried out based on the search engine.

The invention discloses a high-sensitivity amplicon library building kit, a library building method and application, and belongs to the technical field of sequencing library building. The kit comprises: (1) at least one specific primer pair for amplifying a target area; (2) a primer pair which is used for adding a specific molecular tag UMI (Unique Molecular Identifiers); and (3) a primer pair for adding a sequencing joint. The invention further comprises the library building method by using the kit, the method comprises the following steps: carrying out a first round of PCR amplification by using the primer pair in the step (1), then carrying out a second round of PCR amplification by using the primer pair in the step (2), and finally carrying out a third round of PCR amplification by using the primer pair in the step (3), so that library building is completed, and the method can be used for mutation detection based on high-throughput sequencing. By utilizing library building, result sequencing and analysis, low-frequency mutation can be detected, the sensitivity is high, and the application is very wide.

The invention provides application of a product for detecting ddcfDNA in preparing a product for detecting transplanted kidney injuries caused by pulmonary infection and evaluating a prognosis effect,the product for detecting the transplanted kidney injuries caused by pulmonary infection and evaluating the prognosis effect, and a method for detecting the transplanted kidney injuries caused by pulmonary infection and evaluating the prognosis effect. The product for detecting the ddcfDNA can detect the level of the donor free cfDNA (ddcfDNA) in plasma of a kidney transplant recipient, accordingto the level of the donor free cfDNA (ddcfDNA), the transplanted kidney function injuries caused by pulmonary infection are diagnosed, the prognosis effect is evaluated, the early diagnosis of the transplanted kidney injures caused by pulmonary infection and the prognosis effect for the organ transplant recipient after an operation can be achieved, the product for detecting the ddcfDNA has the advantages of rapidity, accuracy and high sensitivity, the detection method is non-invasive, and the pain of the patient is greatly reduced.

The invention discloses a hidden electricity stealing behavior identification method based on a synthetic minority class oversampling technology, and belongs to the field of power supply management. Collecting power consumption data of normal users and recorded abnormal users in a certain period of time; collecting weather temperature data of a corresponding time period; carrying out data expansion based on a minority class oversampling technology; carrying out user feature data label construction; carrying out random forest algorithm electricity stealing behavior prediction; and judging or predicting whether a user finally has an electricity stealing behavior. According to the method, except for user power utilization characteristic indexes, weather factors and user power utilization time-space correlation are considered, the hidden characteristic of power stealing behaviors is considered, abnormal samples with small sample sizes are expanded by using a synthetic minority class oversampling technology, the effective data size and coverage range of the samples are improved, the model training precision is improved, and the model training efficiency is improved. And the identification capability of the electricity stealing behavior is enhanced.

The invention provides an action recognition model training method, and an action recognition method and device. The training method comprises the steps of obtaining node data of all nodes in a presetaction node set; calculating a connection edge set of all nodes in the node set and edge data of each connection edge according to the node data; constructing a graph structure of action data according to the node data and the edge data of the connecting edge; and taking the graph structure of the action data as model input, taking an expression recognition classification result as model output,and carrying out supervised training on a preset graph convolutional neural network expression recognition model, wherein the edge data of the connecting edge in the graph structure of the action datais used as model input. The action data is recorded and calculated based on the graph structure, the effective data volume participating in deep learning is further improved, better recognition precision can be obtained, and dependence on sample data precision is reduced.

The invention belongs to the technical field of medical detection, and provides an application of a product for detecting donor-driver cell-free DNA (ddcfDNA) in the preparation of a product for detecting BKVAN, a product for detecting BKVAN and a method for detecting BKAN. The product for detecting ddcfDNA can detect the level of ddcfDNA in urine of an organ transplant recipient, such as a renaltransplant recipient, diagnose whether the organ transplant recipient is a BKVAN or a BKVAN high-risk patient according to the level of the ddcfDNA and realize an early diagnosis of postoperative BKVAN in the organ transplant recipient, and has the advantages of rapidness, accuracy and high sensitivity. The detection method is noninvasive, and greatly reduces the pain of patients.

The invention discloses a universal hybridization enhancer and method for targeted sequencing. The hybridization enhancer provided by the invention can efficiently seal a linker sequence, is not influenced by Index in the linker sequence, is simple and convenient to operate and high in sealing efficiency, and can effectively reduce background signals, improve effective data volume and reduce sequencing cost.

The present invention relates to the field of the Internet, and discloses a webpage browsing mode selection method and an electronic device so as to solve the technical problem in the prior art of a relatively small volume of valid data acquired by a home screen during a search based on a search engine. The method comprises: receiving a search operation; responding to the search operation and searching by means of a first search engine to obtain a first search result, wherein the first search result comprises M pieces of promotion information; determining whether a display width of a display interface of a browser is greater than a preset width; when the display width is greater than the preset width, displaying the first search result in a first display region of the display interface, wherein the first search result comprises the M pieces of promotion information; and displaying a second search result in a second display region of the display interface, wherein promotion information contained in the second search result is a proper subset of the M pieces of promotion information. The technical effect of increasing the volume of the valid data acquired by the home screen during the search based on the search engine is achieved.