104results about How to "The comparison result is accurate" patented technology

An embodiment of the invention provides an action assessment system. The system comprises at least one visual sensor, a wireless action capture unit and an assessment device, wherein the at least one visual sensor is used for receiving a collection instruction, collecting position information of a preset target joint at a specified position point and sending the collected position information to the assessment device; the wireless action capture unit is used for receiving the collection instruction, collecting motion information of a preset limb part and sending the motion information to the assessment device; and the assessment device is used for sending the collection instruction to each visual sensor and each wireless action capture unit every a preset time period, receiving and fusing the position information and the motion information to obtain pose information, and comparing the obtained pose information with pose information in a standard action information frame to obtain a comparison result. By applying the technical scheme provided by the system, the accuracy of the comparison result is improved.

The invention provides a data updating method in a comparison system, which comprises the steps of: creating an internal memory cache region in a physical internal memory, and loading updated data and information items thereof in the internal memory cache region; and looking up a corresponding current index in a local disk according to the information items, and performing an updating operation. In order to realize the data updating method in comparison system, the invention also provides a data updating device in comparison system, which comprises a creating unit used for creating the internal memory cache region in the physical internal memory; a loading unit used for loading the updated data and the information items thereof in the internal memory cache region; a searching unit used for looking up the corresponding current index in the local disk according to the information items; and an updating unit used for performing the updating operation. The data updating method in comparison system and the data updating device in comparison system have the advantages of avoiding large scale data updating delay, and comparing the updated data in real time so as to obtain a more accurate comparison result.

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 relates to a main board interface circuit of a police identity recognizer. The main board interface circuit comprises an ARM11 core board circuit, a memory circuit, a battery power supply circuit, a light crystal display (LCD) circuit, a camera circuit, a trans-flash (TF) card memorization circuit, a loudspeaker circuit, a receiver circuit, a microphone (MIC) circuit, a universal serial bus (USB) interface circuit, a keyboard interface circuit, a radio frequency identification (RFID) card reading circuit, a Bluetooth circuit, an SAM decryption module and a global positioning system (GPS) circuit, wherein the ARM11 core board circuit is respectively in two-way communication connection with the memory circuit, the LCD circuit, the camera circuit, the TF card memorization circuit, the USB interface circuit, the keyboard interface circuit, the RFID card reading circuit, the Bluetooth circuit and the GPS circuit; the ARM11 core board circuit is also respectively in two-way communication connection with the loudspeaker circuit, the receiver circuit and the MIC circuit; the battery power supply circuit is connected with the ARM11 core board circuit; and the SAM decryption module is in two-way communication connection with the RFID card reading circuit. The main board interface circuit of the police identity recognizer has functions of recognition and comparison of two generations of identity cards, voice data communication, photo-taking and image-shooting, GPS, Bluetooth transmission and the like.

The invention discloses a stratigraphic correlation method. The stratigraphic correlation method includes the steps that a, hierarchical processing is performed on two wells to be compared according to the form and the degree of a well logging curve, and each well is divided into a plurality of well layers; b, each hierarchically processed well layer is fitted through a cloud expectation curve, a plurality of cloud models are obtained through fitting, numerical characteristics of all the cloud models are calculated, and an appropriate cloud model to be used for comparison is selected; c, the appropriate cloud model is selected from the step b, similarity measurement based on Euclidean distance and similarity measurement based on trust level cloud are performed, and a similarity measurement value is obtained through calculation; d, stratigraphic correlation is completed according to the similarity measurement value obtained in the step c. According to the method, the characteristics of well logging data are fully utilized, the recognition accuracy is improved to a great extent, and stratigraphic correlation work can be carried out in production practice.

The invention discloses an image comparison method and device, a storage medium and an electronic device. The method comprises the steps of obtaining an input image from a target area; obtaining a first feature of the target reference image and a second feature of the input image, wherein the first feature is a feature extracted from a target reference image through a target neural network model;wherein the second feature is a feature extracted from the input image through a target neural network model, the target neural network model is a model obtained by using a reference image and a sample image with corresponding relations to train the initial neural network model respectively, and the reference image comprises the target reference image; and comparing the first feature with the second feature to obtain a comparison result, the comparison result being used for indicating the similarity between the target reference image and the input image. According to the method and the device,the technical problem of low accuracy of image comparison in the prior art is solved.

The invention is applicable to the technical field of voice messages, and provides a voice message comparison method, a voice message comparison device and terminal equipment. The voice message comparison method includes acquiring two to-be-compared voice messages, and generating corresponding audio oscillograms of the to-be-compared voice messages; comparing the audio oscillograms corresponding to the to-be-compared voice messages to acquire similarity of the voice messages; if the similarity of the voice messages is larger than a threshold value, outputting a comparison result indicating that the two voice messages have same voice contents; if not, outputting a comparison result indicating that the two voice messages have different voice contents. The audio oscillograms of the two voice messages are generated, whether or not the contents of the voice messages are the same is determined through comparison of the audio oscillograms, and accordingly, the recognition results are accurate.

The invention discloses a breaker state detection method based on waveform characteristics identification. The method comprises the following steps: collecting the breaker opening and closing current signal of the breaker in the normal working condition; decomposing it into a number of function components in intrinsic mode; adding the first three-order function components in intrinsic mode to form a de-noising signal and expressing it in the Cartesian coordinate system; selecting characteristic points with equal intervals on the current waveform; connecting the origin of the coordinate and the characteristic points to form a set of waveform characteristic vectors; using the same steps to calculate the actual current signal of the breaker to obtain a set of waveform characteristic vectors; defining the similarity and comparing the two sets of characteristics vectors; and based on the similarity of the two sets of vectors, determining the state of the breaker. The detection method of the invention is capable of achieving high effective and accurate diagnosis over the breaker fault, can effectively remove the noise interference in the current signal, eliminate the influence of incorrect extraction of waveform characteristics on the determination result, and improve the accuracy and efficiency of calculation.

The invention discloses a water network monitoring method which comprises the following steps: presenting a water network configuration diagram and a pipe network monitoring system to a map of a geographic information system in a graph form; establishing first hydraulic model data according to demand water amount of each area and attribute data of pipe network components; obtaining monitoring data at specific positions of a water network at different time periods in different seasons, and comparing the monitoring data with the first hydraulic model data; obtaining a plurality of second hydraulic model data by correcting the first hydraulic model data; then, selecting the corresponding second hydraulic model data according to the current season and time period so as to make a comparison with the monitoring data; and when the comparison result is abnormal, sending an alarming signal. Monitor personnel can directly know configuration and monitoring data of the water network to allow the water network monitoring comparison result to be more accurate.

The invention discloses a monitoring system and monitoring method for circuit breaker state. The circuit breaker state monitoring system and monitoring method based on the divide-shut brake coil current are characterized in that the system comprises a current sensor, a signal conditioning module, a signal extracting module and a signal analyzing displaying terminal; a current signal of the circuit breaker divide-shut brake coil is detected by utilizing the current sensor, with respect to obtained circuit signals of a normal working condition circuit breaker and a monitored circuit breaker, circuit vector set similarity is calculated, and a monitoring result is thus judged. According to the monitoring system and monitoring method for the circuit breaker state, by conducting identification on a mechanical state of the circuit breaker, a potential failure can be found in time when the circuit breaker switches and closes, and reliability and safety of operation of the circuit breaker and an electric power system can be improved.

The invention discloses a posture prompting method and system. The posture prompting method comprises acquiring a first body photo about the posture a user of an intelligent, wherein the posture of the user is adjusted to accord with the posture requirement; acquiring a second body photo when the user uses a device; and comparing the first body photo with the second body photo, and sending posture prompting information according to the comparison result. For the posture prompting method, by shooting the first body photo when the posture of the user is adjusted to accord with the posture requirement and the second body photo when the user uses a device, and by comparing the first body photo with the second body photo, the posture prompting information is sent to the user according to the comparison result. The main body in the first body photo and the main body in the second body photo are the same user. The body photos for the same user during the same process of intelligent identification used by the user are compared so that the pertinence of comparison is higher and the comparison result is more accurate.

The invention discloses a cable wiring state image automatic recognition method and device, the method is used for collecting cable wiring state and recognizing cable wiring characteristic, and the device comprises an image acquisition module and a background module which are connected in communication manner; the image acquisition module transmits the collected cable wiring state image to the background module; the background module recognizes the current cable wiring characteristic through comparing the cable wiring state image and a standard image. The device comprises the image acquisition module and the background module which are connected in a communication manner; the background module saves the standard image containing correct cable wiring state; the image acquisition module comprises image acquisition equipment and a fixing device, the fixing device is used for fixing the image acquisition equipment and can adjust the position and the angle of the image acquisition equipment. According to the invention, wiring inspection is performed in objective and non-contact way, and the method and the device have advantages of fixed mode, less external disturbance and the like.

The invention is suitable for the technical field of artificial intelligence, and provides a face recognition method and device, terminal equipment and a medium, and the method comprises the steps: collecting a to-be-detected picture, and extracting a to-be-detected face in the to-be-detected picture; if the to-be-detected human face is not shielded, adopting a preset first feature library to recognize the to-be-detected human face which is not shielded, wherein first human face feature information which is not shielded is stored in the first feature library; and if the to-be-detected face isshielded, adopting a preset second feature library to identify the shielded to-be-detected face, wherein shielded second face feature information is stored in the second feature library, and the first face feature information and the second face feature information are extracted from an unshielded face picture. By means of the method, the accuracy of shielded face recognition can be improved.

The invention provides an address comparison method, device and system, and the method comprises the steps: obtaining a first address; executing standardized operation on the first address by using apreset administrative division knowledge map to obtain a first standard address; and comparing the first standard address with a preset second standard address to obtain a comparison result. The address can be standardized by means of the preset administrative division knowledge graph, so that the first address is more standardized; after the address is standardized, the first standard address andthe preset second standard address can be compared, so that a more accurate comparison result can be obtained.

The invention discloses a quality control method of a danggui sini decoction composition, wherein the method belongs to the field of traditional Chinese medicine analysis. According to the method of the invention, a fingerprint spectrum is established by means of high-efficiency liquid chromatography; a chromatographic column is a octadecylsilane chemically bonded silica chromatographic column; the column temperature is 25-35 DEG C; the flow velocity is 0.9-1.1ml / min; the detecting wavelength is 220nm; acetonitrile (A)-0.1% phosphoric acid solution (B) is used as a mobile phase, and gradient elution is performed according to a sequence which is represented in the description. The fingerprint spectrum according to the invention comprehensively reflects quality information of the danggui sini decoction composition, thereby realizing a purpose of more comprehensively and effectively controlling the quality of the danggui sini decoction composition.

The invention discloses a residue interaction network comparison algorithm SI-MAGNA introducing sequence information, and belongs to the technical field of computer application. According to the method, based on a MAGNA comparison algorithm framework completely depending on network topology information, a sequence information similarity score of protein is introduced in an optimization function ofthe framework and an SI-MAGNA algorithm is proposed. The fitness values of population members are calculated; two parent comparisons are optimized through a cross function to generate a child comparison with a higher fitness value; iterative loop is performed; when a stop condition is met, the loop exits; and a comparison result is output. By utilizing the accuracy of the algorithm SI-MAGNA in residue interaction network comparison, a conserved region on a protein structure can be discovered, so that a similar structure realizing a similar function and a unique structure generating differenceare found, and an effective means is provided for researching relationships between a protein space structure and protein properties and functions from a system perspective.

The invention relates to an early warning system for evaluating influences imposed on a levee by deformation of a vertical deep foundation pit, which at least comprises a static level monitoring device, an inclination measuring device and a water level gauge used for collecting the water level of a water area near the levee, and is characterized by further comprising a background server used for analyzing and processing collected displacement deformation data and water level data and a mobile terminal used for displaying a judgment result and giving out an alarm, wherein the static level monitoring device, the inclination measuring device and the water level gauge are connected with the background server through data transmission equipment, and the background server is further in communication connection with the mobile terminal. According to the invention, an appropriate deformation parameter threshold is selected through measuring the real-time water level on site, and then the selected deformation parameter threshold is compared with actual deformation data, thereby being more accurate in comparison result, having more practical guiding significance for on-site construction, avoiding unnecessary waste caused by a traditional excessively high threshold, and further avoiding the harm caused by late early warning due to a traditional excessively low threshold. According to the early warning method, the trend of levee and foundation pit deformation can be predicted in advance, and precautions can be made in advance.

The invention provides an automatic identification algorithm index test method, a storage medium and an electronic terminal. The method comprises the steps of collecting a test sequence set of algorithm indexes; marking the test sequence set, establishing a table structure according to the marked test sequence set, obtaining index test parameters required for executing a test by a measured algorithm, inputting the test sequence set into the measured algorithm, executing the test and obtaining an algorithm result; comparing the algorithm result with a table structure to obtain an algorithm index test result; according to the invention, the algorithm can be tested; an index comparison result is rapidly and accurately output; test period can be shortened, the method is advantaged in that requirements of rapid algorithm optimization and algorithm index improvement are satisfied, situations of limited algorithm application scenes and the like caused by insufficient consideration of influence factors during acquisition of the test case set are avoided, test efficiency is improved, and result errors caused by large data volume of the identified object and the identification attribute in the test set in the manual proofreading process are avoided.

The invention relates to a face recognition device for a construction site. The device comprises a main body and a camera, and further comprises a moving mechanism and a processing mechanism, the moving mechanism comprises a shell, a control assembly and a moving assembly, and the processing mechanism comprises a heat dissipation assembly and a dust removal assembly. The face recognition device for the construction site uses the moving mechanism to facilitate installation and disassembly between a main body and a guide rail, enables the camera to perform matrix scanning, expands the scanning range, and continuously collects data, compares and calculates to obtain a more accurate comparison result, the face recognition is more comprehensive, through the processing mechanism, the inside of the main body can be cooled so that the face recognition device can work normally and stably, the dust and ice layers on the surface of the camera are removed, scanning images are clearer, the recognition effect is improved, and the practicality and reliability of the face recognition device are improved.

The embodiment of the invention provides a BIM model comparison method. The method comprises the steps that according to geometrical information of each component in BIM models of two versions of a building, obtaining the shape distribution of each component in the two BIM models, and according to the shape distribution of each component in the two BIM models, calculating the geometrical similarity of the components between the two BIM models; registering the coordinate systems of the two BIM models, and calculating the position similarity of the components between the two BIM models accordingto the position information of each component in the two BIM models after registration; and according to the geometric similarity and the position similarity of the components between the two BIM models, obtaining a component matching result between the two BIM models, and comparing the matched components to obtain a comparison result between the two BIM models. According to the embodiment of theinvention, the automatic comparison of the BIM is realized, so that the BIM comparison is faster, and the comparison result is more accurate.

A differential chopper comparator compares an input signal voltage and a first voltage, and includes a first capacitor, a second capacitor, and a differential amplification unit including a differential amplification circuit. Either the input signal voltage or the first voltage is applied to one end of the first capacitor via a first switch unit. A fixed voltage is applied to one end of the second capacitor via a second switch unit. Either a non-inverting input terminal or an inverting input terminal of the differential amplification circuit is connected to the other end of the first capacitor, and the other terminal is connected to the other end of the second capacitor. An impedance of the first switch unit side viewed from one end of the first capacitor and an impedance of the second switch unit side viewed from one end of the second capacitor are substantially same.

The invention provides a BFSK modulation circuit which comprises a first oscillating circuit, a second oscillating circuit and a comparison circuit. The first oscillating circuit and the second oscillating circuit are both connected with an input signal, the two circuits are in intermittent oscillation at the same time, and the input signal is converted into different voltage values; lastly, the frequency of the input signal is determined through a comparator, and namely the frequency of the input signal is '1' or '0'. By the adoption of the BFSK modulation circuit, a noise signal mixed with the input signal is a common-mode signal, the common-mode signal can be suppressed in a differential form, and therefore a comparison result is more accurate.

The invention discloses a page comparison method and system. The page comparison method includes partitioning pages into individual areas, setting preposition operations and ambiguity of each partitioned area, comparing the pages and executing the preposition operations of the areas in the two pages of different versions corresponding to identical address information respectively, and for the area for screenshot images of the same area, comparing the ambiguity set for this area after screenshotting the pages according to the partition areas. Since the pages are individually partitioned into the areas before screenshotting and the preposition operations are executed in various areas, the two pages are ensured in the same page state before screenshotting, and when in comparison by screenshotting, the ambiguity set for each area is subjected to comparison, false report rate and missing report rate can be reduced.

The invention discloses a method and device for discriminating finger vein pressing images, and a method for recognizing a finger vein. The method comprises the following steps: a step of image preprocessing; a step of finger boundary positioning; a step of effective region acquisition; a step of effective region enhancement; a step of SOBEL edge enhancement; a step of convoluting SOBEL operatorsand vein distribution images to obtain an SOBEL enhanced image containing a fingerprint information region; a step of calculating an image determination coefficient, wherein horizontal gradient energyand vertical gradient energy are calculated on the SOBEL enhanced image, and a specific value of the vertical gradient energy divided by the horizontal gradient energy or a specific value of the horizontal gradient energy divided by the vertical gradient energy is used as the determination coefficient; a step of fingerprint vein image determination. Via the method and device for discriminating the finger vein pressing images, and the method for recognizing the finger vein disclosed in the invention, content of the fingerprint information in the collected finger images is quantified and is compared with a threshold value, and unreasonable images are blocked at a current processing stage through a preset shielding mechanism; rationality, authenticity and effectiveness of processed data in asystem can be maintained; effective guarantees can be provided for system comparison results.

The invention relates to a method for determining the vibration influence of a body-side cavity stop block on a vehicular low-frequency structure. The method comprises the following steps that a modal test and a transfer function test are conducted on a white vehicle body provided with the stop block in a body-side cavity; the stop block of the white vehicle body in the body-side cavity is dismounted; the modal test and the transfer function test under the same conditions are conducted on the white vehicle body provided with no stop block; results of two times of tests are compared, and the vibration influence of the body-side cavity stop block on the vehicular low-frequency structure is determined. Compared with the prior art, the method has the advantages of being simple in operation, saving the cost and the like.

The invention discloses a myopia prevention and control device and a detection method. According to the technical scheme, the myopia prevention and control device is characterized in that the myopia prevention and control device comprises a shell and a distance sensor installed on the shell, wherein a projection included angle is formed between the distance sensor and the horizontal plane, and the angle range of the projection included angle is 29-60 degrees; a control module used for receiving a signal of the distance sensor, comparing the signal with a threshold value and outputting a processing signal of a standard sitting posture or a non-standard sitting posture according to a comparison result. The detection method based on the myopia prevention and control device comprises the following steps: (a) setting a normal threshold value of sitting posture characteristic information, and storing the normal threshold value to the control module; (b) placing the shell on a table top, the distance sensor facing a user, and obtaining sitting posture feature information of the current user; and (c) comparing the current sitting posture characteristic information with a normal threshold range, transmitting the current sitting posture characteristic information to an external terminal through a communication module, and transmitting a detection result to a teacher or a guardian by detecting the sitting posture of the teenager, so that the purpose of reminding and monitoring the sitting posture of the teenager by the teacher or the guardian is achieved.

The invention provides a data processing method, which comprises the steps of: periodically loading characteristic data and information items thereof in a database to a local disk, and creating a current index; arranging and storing the loaded characteristic data in the local disk according to the current index to become local characteristic data; reading the local characteristic data in a physical internal memory to become internal memory characteristic data, wherein the arrangement and storage modes of the internal memory characteristic data are the same as those of the local characteristic data; searching the current index in the physical internal memory according to a comparison condition, and determining the internal memory characteristic data satisfying the comparison condition as first characteristic data; and locating the position of the first characteristic data in the physical internal memory. The invention also provides a data processing device used for realizing the data processing method, and the data processing device and method of the invention have the advantages of improving the comparison efficiency and comparison performance of the characteristic data so as to obtain a more accurate comparison result.

The invention discloses a monitoring method of a water network. The monitoring method comprises the following steps: establishing first hydraulic model data according to the amount of water required by all areas of a water network configuration diagram and the attribute data of a pipe network component; obtaining monitoring data at a specific position on the water network at different time periods of different seasons and comparing with the first hydraulic model data so as to correct the first hydraulic model data and obtain a hydraulic model database containing a plurality of second hydraulic model data; then selecting the corresponding second hydraulic model data according to a current season and a time period to compare with the monitoring data, and giving out a warning signal when comparison results are abnormal. Thereby, the comparison results of monitoring of the water network can be more accurate.

The invention relates to a method for determining the influence of a barrier block in a side wall cavity of a vehicle body on the noise inside the vehicle. test and wind tunnel test, respectively to obtain the noise signals in the car corresponding to the three tests; remove the barrier block in the side wall cavity of the body-in-white; carry out the drum test and drum test under the same conditions on the body-in-white after removing the barrier block. The vehicle interior noise signals corresponding to the three tests were respectively obtained through the back-drag test and the wind tunnel test; comparing the two test results, the effect of the body side wall cavity barrier block on the vehicle interior was determined according to the degree of noise signal drop in the car after the barrier block was removed. the effect of noise. Compared with the prior art, the invention has the advantages of simple operation, cost saving and the like.