338results about How to "Improve comparison efficiency" patented technology

The invention relates to the field of data processing, and in particular to a distributed system data consistency processing device. The distributed system data consistency processing device comprises a configuration module, a database message generation module and a data consistency comparison task module, wherein the configuration module is used for pre-configuring a monitoring object and a monitoring rule corresponding to the monitoring object; the database message generation module is used for monitoring and analyzing a transaction log file corresponding to the preset monitoring object, generating a business data change message when determining that the preset monitoring object changes, and sending the business data change message to the data consistency comparison task module; the business data change message contains business data to be compared; and the data consistency comparison task module is used for receiving the business data change message sent by the database message generation module, and comparing the consistency of the business data to be compared contained in the business data change message according to the preset monitoring rule to obtain a comparison result.

The invention provides a secondary device integration and joint debugging method based on a virtual machine. The method comprises the steps that S1 the minimum test system of an intelligent substation is built according to the principle of guaranteeing the substation consistency; S2 the real test environment of the substation is built based on the minimum test system; by importing an SCD file, the configuration of the devices of the whole substation is acquired; data flows including SV flow and GOOSE flow in each device are acquired; the model of the whole substation is built through backstage, and the information of the devices of the whole substation is scanned; and S3 the minimum test system is used to integrate the device information and the definition and definite value of action behaviors to acquire a test item, a test program and a test result template. The factory-like joint debugging efficiency is improved. The joint debugging intelligent level is enhanced. The device debugging cycle is shortened, and the debugging environment is improved.

The invention discloses a system and a method for flexibly comparing and analyzing data. The system comprises a data source configuration module, a data table access module, a custom table data module, a comparison model configuration module, a correlation model configuration module, a comparison task management module, a comparison result early warning module, a comparison result statistic analysis module and a comparison result correlated query module; and the comparison model configuration module can be used for next configuration on comparison models on the basis of data information of comparison results, so that the data can be compared circularly.

The invention discloses a face image comparison method and device, a terminal device and a storage medium. The method comprises the following steps: obtaining a face image to be compared and extracting a feature vector to obtain a feature vector to be compared; normalizing the feature vector to be compared to obtain a comparison normalized vector; obtaining a standard normalized vector, calculating the cosine similarity between the feature vector to be compared and the N standard feature vectors in the base library based on the comparison normalized vector and the standard normalized vector, and obtaining N cosine similarity values; retrieving the maximum cosine similarity value from the N cosine similarity values, and obtaining the comparison result according to the maximum cosine similarity value and the preset similarity threshold. By normalizing the feature vector of the face image in advance, the face image comparison method improves the speed of obtaining the comparison result and the efficiency of the face image comparison.

The invention relates to a method and system for comparing images in an image library. The method comprises the steps that when an image comparison instruction is detected, the detected image comparison instruction is responded to so as to determine the images, to be compared, in the image library; the determined images to be compared are displayed in different screens. Due to the fact that the images to be compared are displayed in the different screens, a user can view the multiple images at the same, comparison of the images is more convenient and faster, and accordingly the image comparing efficiency can be improved.

The invention relates to a label defect detecting method. The label defect detecting method comprises the steps that image acquisition is conducted on a printed label; superposition is conducted on standard characters and all characters, to be compared with corresponding characters, on the label one by one, and similarity values are worked out; if the similarity value with the maximum sum result is larger than or equal to a first threshold value, the standard character corresponding to the similarity value with the maximum sum result is used as a character to be compared with the corresponding character, the current coordinates of the character to be compared with the corresponding character are recorded, whether the similarity value of the character to be compared with the corresponding character is smaller than a preset second threshold value, if yes, superposition is conducted on the corresponding standard character and the character to be compared with the corresponding standard character, and the number of times of the fact that the product of the corresponding standard character and the character to be compared with the corresponding standard character is zero is worked out, and the positions with the products being zero are connected, so that a defect area is formed; if the number of times of the fact that the product of the corresponding standard character and the character to be compared with the corresponding standard character is larger than a preset threshold value, the area of the defective area is larger than a preset fourth threshold value, and then color marking is conducted on the defective area. By the adoption of the label defect detecting method, the character defects appearing in the label can be recognized, and the comparison efficiency is high.

The invention discloses a video live broadcast test method and system. The method comprises the steps of obtaining a first key frame of an original live broadcast video stream and obtaining a second key frame within predetermined time before the appearing moment of the first key frame; extracting an image of a live broadcast video stream played by a terminal at the appearing moment of the first key frame, thereby obtaining a test image; obtaining a first similarity between the test image and the first key frame and obtaining a first similarity between the test image and the second key frame; and judging that the terminal plays normally if any one of the first similarity and the second similarity is not smaller than a predetermined value. According to the method and the system, through comparison of images of key frame screenshots of video key frame time points of the same live broadcast channel at the terminal and a server side, whether the problem of influencing the user experience due to overlong delay occurs in the live broadcast process of the terminal or not is judged.

The invention relates to the technical field of big data processing. The invention discloses a main and standby storage volume synchronous data verification method. Checking values of data on main andstandby storage volumes are calculated by adopting an abstract checking algorithm; an abstract verification algorithm is adopted when a verification value is calculated after performing slicing and grouping processing on data, then performs calculation of the verification value on an obtained data block, then compares the verification value to determine whether the synchronous data is abnormal, and finally determines whether the synchronous data needs to be backed up again according to a comparison result. The invention further discloses a device and equipment for verifying the synchronous data of the main storage volume and the standby storage volume and a computer readable storage medium. According to the method, the check value is calculated in combination with the MD5 algorithm to realize integrity comparison of the data in the main and standby storage volumes; compared with the prior art, the time length of data comparison is greatly saved, comparison and updating of part of datacan be carried out, the standby storage volume can be kept synchronous and identical with the data of the main storage volume in real time, and data loss of the main storage volume is avoided.

The invention discloses a method for associative search of suspected vehicles, which searches the suspected vehicles in data provided by vehicle monitoring and recording systems positioned on toll-gate points, and is characterized by comprising the following steps: (a) setting a data range to be searched; (b) setting search conditions; (c) performing comparative analysis; (d) conforming a result of the comparative analysis when the comparative analysis is logical truth, and finishing the search when the comparative analysis is logical falsity; and (e) outputting the information of a suspected vehicle corresponding to the result of the comparative analysis when confirming the result of the comparative analysis is true. The method performs suspected vehicle-following analysis and suspected vehicle appearing frequency analysis to provide case solving clues for cases through vehicle pictures and license plate information provided by the vehicle monitoring and recording systems arranged on road junctions and the toll-gate points in a data mining mode, and improves comparison efficiency.

The invention relates to a method for performing data increment copying through hash value comparison. The method includes the following steps that a primary key sequence and a non-primary key sequence of a source list are determined; the hash value of the currently recorded non-primary key sequence value is calculated; the currently recorded primary key sequence value and the harsh value are stored in a first file according to the currently recorded primary key value ascending sequence; the harsh value of the non-primary key sequence value recorded after the change is calculated according to the primary key sequence value ascending sequence recorded after the change; data comparison is performed, data increment is obtained, and the data increment is marked and classified into a database; the primary key sequence value recorded after the change and the harsh value are stored in a second file; the first file is covered with the second file, and data increment copying is completed. The method is not limited by database types and does not intrude into the database or affect the database, and comparison efficiency is improved.

The invention relates to a relay protection device constant value online monitoring system and a method thereof. The relay protection device constant value online monitoring system includes a man-machine interface module, a constant value comparison module, a network communication module and a relay protection device; the man-machine interface module introduces a protection constant value comparison template and an offline constant value list of which format modification is forbidden and outputs the protection constant value comparison template and the offline constant value list to the constant value comparison module, so that the offline constant value list of which format modification is forbidden can be parsed; the network communication module calls a protection online constant value of the relay protection device and outputs the protection online constant value to the constant value comparison module; the constant value comparison module judges the consistency of a setting parameter in the parsed offline constant value list and the protection online constant value parameter through comparison according to the protection constant value comparison template, and outputs comparison results to the man-machine interface module; and the comparison results can be displayed in a visualized manner. According to the relay protection device constant value online monitoring system and the method thereof of the invention, the consistency of a offline constant value and an offline constant value of the relay protection device can be judged based on comparison through the constant value comparison module, and therefore, wrong setting caused by man-made factors can be avoided, and the efficiency of field manual check of the constant values of the relay protection device can be improved, and technical support can be provided for safe and reliable operation of a power system.

The invention relates to intelligent police glasses and an application method thereof. The intelligent police glasses comprise a glasses body, wherein a main control chipset, a bone conduction device, an optical sensor and optical display equipment are arranged on the glasses body; the main control chipset comprises a processing module, a wireless control module, a storage module, a voice module, a receiving module and a sending module; camera equipment is arranged on the optical sensor; an infrared facility is arranged on the camera equipment; the bone conduction device, the optical sensor, the camera equipment and a terminal are connected onto the main control chipset; the camera equipment is connected with the optical display equipment and the terminal. The application method mainly comprises the following steps: voice communication, video recording, night shot, voice control, video display and reverse operation, video comparison and the like. Through the adoption of the intelligent polices glasses, the task completion efficiency and quality are greatly improved, the work procedure is simplified, the work efficiency of evidence collection, information comparison, data calling and the like is improved, and the intelligentization and simplification transformation of the current police on-site law enforcement work mode can be realized.

The invention discloses a system (100) and a method for displaying and processing multiple files. The system comprises an e-book user interactive terminal (101), an e-book processing module (102) and a data storage unit (103), can display multiple files on a screen. The system also comprises a file operating system (108), wherein the file operating system can support the establishment of a first window in which a first file is displayed, and a second window is established on the first window and a second file is displayed in the second window. The system also can save the second window and the files as bookmarks to ensure that a user can conveniently select opening during reading in the future to restore the reading scene in a book at that time in real time; and the number of the bookmarks is not limited and the bookmarks are independent from one another. The system also supports the comparison of the contents of the first file and the second file, and generates a comparison result. By using the system, the user breaks out of the troubles of artificial comparison to a large extent, and the accuracy of file comparison is improved.

The invention discloses an image comparison method, a device, a video comparison method and a device. The invention is applied to the electronic device in order to determine the characteristic points of the two images to be compared. Under the condition that the number of characteristic points of the two images to be compared is greater than the first threshold, the number of the characteristic points which are matched in the two images to be compared is determined; under the condition that the number of the matched characteristic points in the two images is greater than the third threshold, the similarities of the two images are determined. The image comparison method has more accurate result than the fogged image which is mistakenly determined by other image comparison methods. The invention does not need the defogging processing, and thus the comparison efficiency is high. Because the video comparison method provided by the invention uses the image comparison method, whether the two videos are similar can be determined accurately and fast.

The invention discloses a file access filtering method which belongs to the technical field of network safety. The file access filtering method comprises the following steps: S1) processing an IRP (input / output request package) request category and a request of withdrawing from drive, and mounting a corresponding dispatch function; S2) processing calling of a user layer, and emitting a calling command to an inner nuclear layer; S3) getting an afferent Handle through a parameter when calling a Windows inner nuclear function in user-defined functions, and inquiring whether a path corresponding to the Handle is a file folder path or not by calling the inner nuclear function of a system, if the path is the file holder path and does not contain a magnetic disk drive, not performing contrast, if the path is a file path, comparing in a white list; and S4) notifying an application program of the user layer of retrieving illegal access file information recorded in a BackList through a shared event created between the user layer and the inner nuclear layer, and using the application program of the user layer to write the illegal access file information into a log file. By adopting the file access filtering method, a user can conveniently further adopt measures for protecting personal files.

The invention belongs to the identity identification technical field, in particular to a method for comparison and authentication through human voiceprint information. The method comprises the following steps of acquiring and processing a voiceprint signal; extracting and processing voiceprint features; establishing a voiceprint model; and finally comparing the voiceprint model. The method of the invention has the advantages of high accuracy rate of comparison results, fast comparison speed and the like; and the method can be widely applied to departments and units requiring voiceprint comparison and authentication such as judicial departments, public security department, banks, national defense departments and the like.

The invention discloses a data caching method, which comprises the following steps: initializing an internal memory to build a first chain table, a hash table and a second chain table; when receiving access data, calculating hash values of the data, and comparing the hash values with the hash values in the hash table; if no consistent hash value exists, obtaining a memory address of a free memory cell from the first chain table, storing the data into the free memory cell, sequentially storing the memory address of the free memory cell into the second chain table, and storing the hash values of the data into the hash table; and if the consistent hash value exists, stopping a writing operation of the access data on the internal memory. Through the arrangement of the first chain table and the second chain table, the earliest storeddata are deleted in a circulating manner; the shaking phenomenon of the internal memory is avoided; and when the access data are stored, only the hash values of the data are compared to improve the comparison efficiency and speed.

The invention discloses a small fingerprint acquirer which is characterized in that an image acquisition unit comprises a photoelectric transducer unit and an automatic detection main control unit, wherein an independent imaging lens is arranged on a light path between a prism and a plane reflector and can be a camera lens with an adjustable focus, an imaging lens set is arranged in the imaging lens, a light source also comprises a light signal transmitting pipe and a light signal receiving pipe, a shell also comprises a bracket for fixing the imaging lens and the imaging objective lens, and a cover is fixed below a main shell by adopting a gluing manner. By adopting design of the light path which carries out two times of convergence on light rays with the adjustable focus and comprises the imaging lens, the plane reflector and the imaging objective lens, thus the space utilization efficiency can be further improved, the cost is further saved, the miniaturization of the small fingerprint acquirer is more effectively realized, the definition of the acquired image is improved, and the efficiency and the accuracy of acquiring and comparing fingerprints are further improved. In addition, the fingerprint acquisition unit has a function of automatically detecting the fingerprints, thus the power consumption of the small fingerprint acquirer is reduced and the problem of dazzling when a visible light diode illuminates is solved.

The invention discloses a three-level flow sequence comparison method based on a many-core co-processor. The purpose of increasing the comparison speed of sequence comparison software is achieved. According to the technical scheme, sequence comparison is performed in a multi-threading manner by an MIC (microwave integrated circuit) many-core co-processor; three serial steps of reading sequences from a main memory to an MIC, comparing the sequences and writing a comparison result to the main memory in a sequence comparison process of the MIC are in a three-level flow mode, namely, sequences required for next comparison are read during sequence comparison, a previous comparison result is written into the main memory, and a reading and writing operation and a comparison operation are carried out simultaneously. By the three-level flow sequence comparison method based on the many-core co-processor, three main processes of sequence reading, sequence comparison and comparison result returning are carried out simultaneously, the comparison efficiency is improved, and the comparison time is shortened. Compared with a two-channel eight-core CPU (central processing unit), the three-level flow sequence comparison method has the advantages that the speed of a comparison process can be increased 2.3 times at least, a large amount of memory space is prevented from being copied, and the space-time efficiency of a procedure is improved.

The present invention discloses a data management system, which contains setting consistency sign in BAM, after data management system completing data synchronization operation, FAM in BAM operating data and reaching concordance with BAM backed data, configuring consistency sign, when occurs first data modification after that, immediately configuring consistency sign as discordance. The present invention provides a data management method. The present invention provided data management system and method can in time label the discordance status between the FAM operating data and FAM backing up data in BAM.

The invention provides a comparison method and device of differences between databases (DBs) and terminal equipment, which are suitable for use in the database field. The method includes: acquiring afirst database, a second database and comparison information; comparing the first database and the second database on the basis of the comparison information to acquire difference result information;and outputting the difference result information. The method can compare the different databases on the basis of demand of a user, namely the comparison information, has flexibility on selection of the comparison information, improves comparison efficiency, and has higher practicability and usability.

The invention provides a human face comparison method, apparatus and system. Multiple classification libraries are preset in a human face database; each classification library comprises multiple sub-libraries; and the classification libraries and / or the sub-libraries are configured with priorities. The method comprises the steps of receiving a comparison range, wherein the comparison range comprises at least one sub-library or classification library in the human face database, selected by a user; according to the comparison range and current calculation resources, determining a human face comparison mode, wherein the human face comparison mode includes parallel comparison or sequential traversal comparison; and according to the priorities and the determined human face comparison mode, performing human face comparison on a currently collected image in the comparison range to obtain a comparison result. The human face database adopted in the method comprises the classification librariesand the sub-libraries; during the human face comparison, the comparison range can be dynamically selected according to a user demand; and the reasonable comparison mode can be selected according to the comparison range and the current calculation resources, so that the human face comparison efficiency is improved while the deployment control scale meets the user demand.

The invention relates to a multi-level human face comparison system and method. The method comprises the following steps that a first human face image is transformed into a first grey level image, and the overall feature and the local feature of the first grey level image are extracted and saved; a second human face image is transformed into a second grey level image, the overall feature of the second grey level image is extracted, and the overall feature of the second grey level image is compared with the overall feature of the first grey level image; if comparison succeeds, the local feature of the second grey level image is extracted, and the local feature and the overall feature of the second grey level image are put into a standard comparison library; if comparison fails, the local feature of the second grey level image is extracted and compared with the local feature of the first grey level image; if comparison succeeds, the local feature and the overall feature of the second grey level image are put into the standard comparison library. Compared with the prior art, overall comparison and local comparison are combined, and thus the accuracy of human face comparison is improved; furthermore, the comparison standard can be automatically updated, and the application range is enlarged.

The invention provides a JSON text comparison method and apparatus. Two unordered JSON texts and unordered arrays in JSON can be compared, and a user can self-define attributes which do not need to becompared according to different demands, so that the comparison accuracy is improved and the comparison efficiency is improved to a certain extent. The JSON text comparison method comprises the stepsof storing configuration information of the to-be-compared JSON texts, wherein the configuration information is used for setting the attributes which do not need to be compared in the compared texts;analyzing the to-be-compared JSON texts, and converting the texts in JSON formats into texts adopting multi-way tree structures; converting the texts adopting the multi-way tree structures into textsadopting key value pair structures; and in combination with the configuration information, comparing the texts adopting the key value pair structures to obtain a comparison result.

The invention relates to a similar document query method based on stop words. The similar document query method comprises the steps of (1) performing normalized processing on two documents to be queried, and removing all non-Chinese character information in the documents; (2) performing word segmentation operation on the two documents according to a word segmentation dictionary, and converting the documents into vocabulary flow; (3) obtaining the stop words by extraction in the vocabulary flow according to writing habits; (4) combining normal sememic words at the back of the stop words and the stop words into segmentation information fingerprints; (5) respectively collecting the segmentation information fingerprints to form middle fingerprint identification of the two documents, and placing the fingerprint identification in an information fingerprint database to make comparisons; (6) calculating fingerprint identification similarity in the fingerprint database, and obtaining similarity values of the two documents; and (7) enabling the two documents with similarity larger than a set threshold to serve as similar documents, and outputting all or part of similar documents according to a set mode. The method for utilizing the Chinese stop words and a plurality of follow-up words is used, conforms to the Chinese context and has good comparison effects.

The invention provides an urban pet movement track monitoring method based on image recognition. The urban pet movement track monitoring method comprises the following steps: acquiring a pet image acquired by preset image acquisition equipment; identifying a pet category in the pet image; when the pet category is a target category, identifying a pet posture in the pet image; extracting a feature vector in the pet image according to a feature extraction algorithm corresponding to the pet posture; correcting the feature vector by adopting an optical flow algorithm to obtain a target feature vector; comparing whether the target feature vector is consistent with a feature vector in a preset database or not; when the comparison result is consistent, associating and storing the identification information of the pet image and the acquisition information of the preset image acquisition equipment; acquiring acquisition information corresponding to the pet images with the same identification information; and determining the movement track of the pet according to the acquired information. The invention further provides an urban pet movement track monitoring device based on image recognition,a terminal and a storage medium. According to the invention, the movement track of a pet in a city can be monitored.

The invention belongs to the technical field of information, and particularly relates to a disaster recovery data comparing method based on the bucket algorithm. A disaster recovery data comparing system composed of a disaster recovery terminal database module, a data comparing tool module and a production terminal database module is adopted in the disaster recovery data comparing method based on the bucket algorithm. The disaster recovery data comparing method comprises the first step of obtaining data, the second step of distributing the data into buckets, the third step of comparing hash values of data recorded in all buckets, and the fourth step of comparing all the records after ranking. According to the disaster recovery data comparing method based on the bucket algorithm, under the remote disaster recovery conditions and on the premise of guaranteeing the accuracy of the comparison result, the transmission quantity is reduced, comparison time is shortened, and comparing efficiency is improved.

The present invention discloses a method and device for upload comparison. The method comprises: generating a hashed value for each data item in a first system and generating a first mapping relation table according to the hashed value and the mapping relation between the corresponding data items; generating a hashed value for each data item of a second system and generating a second mapping relation table according to the hashed value of the second system and the mapping relation between the corresponding data items; and, comparing the first mapping relation table with the second mapping relation table and generating an executing message according to the comparative result. Through the technical proposal, the flows for the upload processing and the upload comparison are unified and simplified, the number of the upload comparison can be reduced, and the efficiency of the upload comparison is improved.

The invention relates to an automatic testing method and device and belongs to the technical field of software testing. The method includes: configuring a testing case management frame, and loading ato-be-tested case into the testing case management frame; operating the to-be-tested case, and acquiring a current frame sequence in the to-be-tested case; acquiring a historical frame sequence corresponding the current frame sequence, and comparing the current frame sequence with the historical frame sequence to obtain a comparison result. By the arrangement, the method has the advantages that the problem that efficiency and accuracy are low due to the fact manual comparison is needed in the prior art is solved, and comparison efficiency and accuracy are increased.

The invention discloses a high-precision remote displacement sensor which comprises an optical lens (1), an image sensor (2), a core control functional unit (5), a processing storing unit (6), a trigger control unit (3) and a remote communication unit (4). The core control functional unit (5) comprises a trigger signal detection module, a target template loading and standardizing module, an image data acquisition module, an image graying and zooming module and a target image matching detection module (7). According to the high-precision remote displacement sensor, the image sensor is used for obtaining images of a dart on a measured target, and displacement parameters of a bridge are obtained through image processing; the high-precision remote displacement sensor has the advantages of being high in precision, simple and reliable in structure, capable of conducting two-dimensional real-time measurement, large in measuring span and the like, thereby being suitable for long-term, online and multi-point measurement.