103results 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 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 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 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 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 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 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 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.

The invention discloses a common-optical-path double-waveband optical system, an imaging device and an optical lens. The system comprises a first lens group, a beam splitting prism, a third lens groupand a fourth lens group; the first lens group and the beam splitting prism are sequentially arranged from the object side to the image side; the third lens group is connected with the visible light exiting surface optical path of the beam splitting prism; and the fourth lens group is connected with the near-infrared light reflection exiting surface optical path of the beam splitting prism. By means of the common-optical-path double-waveband optical system, a target can be respectively imaged at the same time under visible light and near-infrared spectral waveband; and influence of light difference on the imaging result comparability can be effectively reduced.