275results about How to "No false positives" patented technology

The invention provides a modified misuse-type structured query language (hereinafter referred as to SQL) attack defense system which is based on application system services and an SQL-injected characteristic extraction malicious attack behavior characteristic library and combined with the SQL request of the characteristic library to a user to carry out strict test and block the SQL request with the attack characteristics according to test results, so as to provide the security protection for the database and the corresponding audit record. The invention can be flexibly allocated to boundary defense devices, application servers, database servers and various security audit software, and the SQL attack behavior characteristic library can be updated at any time when the application environment is changed and a new attack type or normal behavior pattern appears.

A device for detecting a user's intention to lock or unlock a motor vehicle door, integrated into a handle (10) and consisting of a casing (B′) includes a first part (52), elastically deformable along a predetermined axis (Y-Y′), with an area (50) of contact with the handle, a printed circuit (80), a voltage source (Vcc), and a contact detection element (100) including:

• • a non-magnetic metal target (40) which moves along the predetermined axis,
  • a coil (20), and a capacitance (C1), forming an oscillating circuit,
  • elements (M1) for adjusting the frequency of the circuit,
  • a prestressed compressible element (30), located between the target and the coil,
  • elements (51) for transmitting a movement of the first part to the target,
  • elements (M2) for measuring an inductance (L) of the coil,
  • elements (M3) for comparison between the measured inductance and a predetermined threshold value of inductance (L_s),
  • and control elements (60′).

The invention discloses an uninterrupted power supply capable of carrying out bypass current backward flowing detection. The uninterrupted power supply comprises a UPS main circuit and a tri-line UPS bypass coupled to the UPS main circuit; and the midpoint of a bus of the UPS main circuit is connected with each one of three lines of an input end of the UPS bypass through dummy load respectively. In the uninterrupted power supply for carrying out short-circuit detection before electrification of a bypass thyristor, the midpoint of the bus of the UPS main circuit is connected with each one of the three lines of an output end of the UPS bypass through the dummy load. In the uninterrupted power supply capable of carrying out bypass current backward flowing detection and short-circuit detection before electrification of the bypass thyristor, the midpoint of the bus of the UPS main circuit is connected with each one of the three lines of the output end and each one of the three lines of the input end of the UPS bypass through the dummy load. The invention also discloses a method for detecting bypass fault of the uninterrupted power supply. The method realizes bypass detection through current detection, does not cause detection coupling as the UPS is connected with a common bypass source, and has no misinformation and omissive report in parallel operation.

The invention discloses a battery silk-screen quality detection method combining block template matching with morphological processing. The method comprises the following steps: establishing a character part template based on a morphological template matching method; extracting a battery area by applying threshold segmentation and morphological corrosion; determining an inclination angle in a mode of solving a minimum circumscribed rectangle of a battery area, searching the minimum circumscribed rectangle as a final result by adopting an equal interval rotation search algorithm, and performing reverse rotation on a deflection angle by utilizing affine transformation to perform battery correction and cutting; identifying the defects of the illustration part by adopting a difference image method; sequentially shielding picture insertion, character segmentation, character extraction and correction, character recombination and to-be-detected character skeleton extraction, identifying character part defects by adopting a difference image method, and carrying out defect detection by adopting suspicious area translation difference detection and suspicious area micro-rotation difference detection. The method is high in accuracy and low in cost, and has a certain degree of promotion effect in the field of domestic battery screen printing quality automatic detection.

The invention discloses a detector and a detection method for wafer position. The detector comprises a carrying platform, a driving device, a blowing device, a camera device and an image processing device. The carrying platform is used for carrying a wafer. The driving device is connected with the carrying platform and is used for driving the carrying platform to rotate. The blowing device is arranged above the carrying platform and blows toward peripheral edges of the wafer on the carrying platform so as to dry the peripheral edges of the wafer. The camera device is arranged above the carrying platform and is used for taking images of the wafer on the carrying platform and sending the taken images to the image processing device. After the image processing device receives the images taken by the camera device, images in a partial area on the peripheral edges of the wafer are converted into a pixel, and the pixel and an image reference pixel in the partial area are compared, if the pixel and the image reference pixel are consistent, the wafer is placed on the carrying platform correctly, and if not, position of the wafer on the carrying platform is judged to deviate from correct position.

The invention relates to a smart anti-theft system. The smart anti-theft system includes an alarm sensor, a network surveillance camera, a door magnetic sensor, an infrared sensor, and a network router. The smart anti-theft system is characterized by also including a human face recognition device, a communication module and a main control module; the alarm sensor is electrically connected with the network surveillance camera; the door magnetic sensor is electrically connected with the network surveillance camera; the infrared sensor is electrically connected with the network surveillance camera; the network router is electrically connected with the network surveillance camera.; the main control module is connected with the communication module, the alarm sensor, the door magnetic sensor and the infrared sensor; and the human face recognition device and the communication module are connected. The smart anti-theft system can solve the problems that a conventional alarm system is inaccurate in alarm, non-timely in alarm, incapable of smart control, complex in operation, and low in efficiency.

The invention discloses a line breaking detection method for a servo motor power line. An alternating current servo driver is provided, the alternating current servo driver comprises a motor closed-loop control circuit, a phase current instruction calculating unit and a line breaking detection logical unit. The phase current instruction calculating unit feds a three-phase feedback current and a three-phase current instruction into the line breaking detection logical unit according to a torque current instruction in the motor closed-loop control circuit, a line breaking logical judgment strategy is configured in the line breaking detection logical unit, and line breaking judgment is conducted through the line breaking logical judgment strategy. By means of the line breaking detection method for the servo motor power line, phase currents can be judged directly, when large deviation exists between the torque current instruction and a practical torque current and the output target torque is smaller than a detection threshold value in a torque mode, more than two broken lines in the three-phase power line can also be accurately recognized, the comparative result of the phase current instruction and the feedback phase current in each period can be filtered, and thus false alarming cannot happen.

The invention discloses a traffic light positioning method. The method comprises: expanding an object region where traffic lights are in in advance, obtaining a constraint region, and performing binaryzation on a grayscale image of the constraint region, extracting proportion of bright regions, the number of small area bright regions, the number of standard light area bright regions, the number of large area bright regions, and the average gray value of dark regions from binarization images, according to the features, determining day or night of an intersection image where the object region is in, if the image is a night image, detecting signal lights whose states are lightened through the binarization image, and according to the positions of the signal lights, adjusting positions of the traffic light; if the image is a day image, detecting a black frame in a traffic light structure through the binaryzation image, and according to the position of the black frame, adjusting the positions of the traffic light. The method is advantaged by low calculation complexity, fast operation speed, good environment adaptability, and simple realization.

The invention discloses a proactive defense system based on a truth virtual network, and a method. The system comprises the following modules in signal circulation communication: an attack detection module, a tricking guidance module, a vulnerability simulation module, an attack isolation module, a behavior recording module, an intelligent analysis module, an attack playback module and an attack countering module. The implementation method of the proactive defense system based on the truth virtual network follows a D3I network proactive defense model, and the D3I network proactive defense model comprises the following modules in signal circulation communication: a detection module, a deception module, an inception module and a defense counterattack module. The proactive defense system realizes accurate identification of attackers, effectively tricks and isolates the attackers to be far away from real service networks, comprehensively records, playbacks and intelligently analyzes attackbehaviors and counterattacks the attackers more effectively.

A chemical luminous ligand analysis method for quantitatively checking human antibodies belongs to the biomedical technical field, which comprises: using the generality that staphylococcal protein A (SPA) can react with Fc point of IgG in mice; using the monoclonal antibody of high affinity and specificity to prepare a standard product to establish a standard curve; respectively reacting the monoclonal antibody and the antibody in the sample with enzyme-labeled antigens; using the nanometer magnetic particles coated by SPA as ligand to separate solid and liquid; and using enzymatic chemical illumination reaction catalyzed by horseradish peroxidase (HRP) to process illumination check; thereby establishing a chemical luminous ligand quantitative analysis on human antibodies. The chemical luminous ligand analysis method is suitable for quantitatively checking all human antibodies, for resolving the problem of prior art while most human antibodies can not be accurately and quantitatively checked, avoiding cross reaction and avoiding false negative result or false positive result.

The invention provides a method for quickly detecting communication of an IP channel of a household router. The method is characterized by comprising the following five steps: 1, acquiring IP address through a WAN port of a terminal, and starting network detecting; 2, sending ARP (Address Resolution Protocol) detection to a gateway at every 10 seconds, and continuously waiting for the next detection after successfully detecting within 5 seconds; 3, sending DHCP (Dynamic host configuration protocol) to relet an IP packet if the ARP response is not received after 5 seconds, and further determining whether a DHCP server is connected; 4, continuously returning to the ARP detection if the response is received within the specified time, and waiting for the next ARP detection; 5, clearing the IP address obtained by the terminal and starting a new DHCP process is the DHCP Request response is not received within the specified time or the DHCP Request exceeds the specified time. The method is used for detecting whether the IP channel of the household router is communicated.

The invention provides a method, scanner, device and system for identifying webpage distortion. The method comprises the steps of receiving an expected page element set, sent by a website side through a first page response, of a monitored page, receiving a real page element set and a refreshed page element set sent by the website side through a second page response, calculating a reference page element set according to the expected page element set, the real page element set and the refreshed page element set, and judging whether the monitored page is distorted or not according to the reference page element set, the real page element set and the expected page element set. According to the method, the aim of judging whether the monitored page is distorted or not on the side of the canner is achieved, that is, in the view of a client side, webpage distortion is identified, and the situation that in the prior art, a method for identifying the webpage distortion cannot accurately judge whether the webpage is distorted or not is avoided.

The invention relates to an electronic alarming guard bar for isolating the electrified regions such as power plants, power stations and other places, the construction fields and other dangerous regions, comprising two or above bars provided with a photoelectric beam detector, which comprises a photoelectric beam transmitter and a photoelectric beam receiver, in pairs arranged on different bars and connected with an alarm device each. It is convenient to install and simple to operate and able to reduce fatal accidents.

The invention discloses a method for detecting mining virtual currency, equipment and a storage medium. The method comprises the following steps of: forming a virtual currency mine pool information library; generating a virtual currency mine pool domain name AI detection model; acquiring dNS metadata and Netflow flow information, carrying out domain name matching on a requested domain name and a virtual currency mine pool information library, and when matching succeeds, comparing an IP address corresponding to the requested domain name and a port corresponding to the IP address with Netflow flow information to judge whether a mining behavior exists or not; when the domain name matching is unsuccessful, detecting the requested domain name by using the AI detection model; and when a highly suspicious mine pool domain name is detected, performing service scanning by using a mine pool service detection component, and comparing a port and an IP address obtained by scanning with the Netflowflow information to judge whether a mining behavior exists or not. According to the method, the mining behavior can be accurately detected, and misinformation is avoided.

The invention relates to the video detection field and especially relates to a post-leaving detection method and a system thereof. The method comprises the following steps of a model training step: training a training set sample including various kinds of human heads, left and right ears, an upper part of a human body and a body image so as to acquire a human head model, a left and right ear model, a model of the upper part of the human body and a human body model; and a post-leaving detection step: acquiring a sentry box video frame sequence, using the human head model, the left and right ear model, the model of the upper part of the human body and the human body model to detect the sentry box video frame sequence, and determining that a person is in a post-leaving state if any one of the human head, left and right ears, the upper part of the human body and the human body can not be detected. In the invention, a probability of false detection is greatly reduced and detection accuracy is greatly increased.

The invention discloses a method for analyzing short-chain chlorinated paraffin in an environment sample by a comprehensive two-dimensional gas chromatography-flight time mass spectrometry, which belongs to the technical field of analytical testing. The method comprises the following steps: 1) performing enrichment extraction on SCCPs in the environment sample; 2) employing a comprehensive two-dimensional gas chromatography-electron bombardment ionization source-low resolution time-of-flight mass spectrometer for detection; 3) employing library searching and a retention time index for determining the nature of the SCCPs component in the sample; and 4) employing an internal standard curve method for determining total amount of SCCPs. The pre-treatment method has the advantages of high extraction efficiency, good purifying effect, and wide application scope; the used apparatus has the advantages of high analysis efficiency, good separating effect, and strong anti-interference capability;the qualitative method is fast and accurate, and does not depend on a standard substance; the quantification method has the advantages of low detecting limit, low sensitivity, wide linearity range, and good repeatability, and the analysis requirement of SCCPs in the practical environment sample can be satisfied.