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 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 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 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 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 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 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 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 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 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 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.