55results about How to "OK real time" patented technology

According to the advertisement pushing method based on big data and cloud computing and the artificial intelligence platform provided by the invention, during advertisement pushing, on one hand, userdemand analysis can be carried out on the user portrait label, so that the user demand information is determined, and the user demand information is paired with the data track identification result, the user demand information can be accurately determined in real time, so that the user matching degree of the to-be-pushed advertisement information and the current user can be ensured. On the other hand, by determining the target pushing time period, it can be ensured that normal use of the target intelligent device by the user is not affected during advertisement pushing, and meanwhile, influences on other threads are avoided. Thus, the user matching degree of advertisement pushing can be improved, it can be ensured that normal use of the target intelligent device is not affected when advertisements are pushed, and therefore the disturbance degree of advertisement pushing to users is reduced. In this way, the acceptance degree of the user to the pushed advertisement can be ensured, and then the advertisement pushing success rate is increased.

A playing synchronization method and device, a storage medium and a user side are disclosed. The method comprises: receiving ideal playing progress information from a server side, the ideal playing progress information being used for indicating a playing progress of a to-be-played file determined by the server side through calculation; determining actual playing progress information, wherein the actual playing progress information is used for indicating a user side to output the playing progress of the to-be-played file; determining a synchronization progress difference value according to theideal playing progress information and the actual playing progress information; and for each data block in the to-be-played file, determining a playing mode of the data blocks according to the synchronization progress difference. According to the invention, a more accurate synchronization target can be provided for each user side, so that the accuracy of each user side can be improved.

The invention relates to a method and a device for determining an intersecting line scanning central angle for pipe welding. The device comprises a traveling arc length acquisition module, a proportional coefficient acquisition module and a central angle acquisition module, wherein the traveling arc length acquisition module is used for acquiring an intersecting line traveling arc length in an intersecting line scanning process; the proportional coefficient acquisition module is used for comparing the intersecting line traveling arc length with a preset total intersecting line arc length to obtain a proportional coefficient; the central angle acquisition module is used for acquiring the scanning central angle according to the proportional coefficient; the scanning central angle is obtained by multiplying the proportional coefficient with 360 degrees. Therefore, according to the method and the device for determining the intersecting line scanning central angle for pipe welding, the proportional relation between the traveling arc length during intersecting line scanning and the total arc length of an intersecting line is converted into the scanning central angle, so that the intersecting line scanning central angle can be determined in real time, and the reliability of an ultrasonic flaw detection result is improved.

The present invention relates to a method for determining a driving behaviour of a driver of a vehicle, comprising the steps: acquiring (100) a three-dimensional signal of an acceleration sensor, wherein the three-dimensional signal comprises an acceleration value in, in each case, one independent spatial direction, calculating (200) a characteristic variable of the three-dimensional signal, and outputting (300) the driving behaviour on the basis of the characteristic variable by means of an output device, wherein the characteristic variable is a measure of the aggressiveness of a driving behaviour, and wherein the characteristic variable comprises either a fractal dimension of an embedding of the three-dimensional signal and / or a Kolmogorow entropy of the three-dimensional signal.

An apparatus and a method for detecting a narrow groove (72) of a specular reflection workpiece are provided. The apparatus includes: a spherical light source (3) configured to generate a uniform illumination on a workpiece surface (7); a laser array (4) having at least three lasers and configured to emit a laser light onto the workpiece surface (7); an imaging unit (5) configured to sample a light from the workpiece surface (7) to generate an image thereof; and a control unit (1) configured to control the spherical light source (3) and the laser array (4) to illuminate the workpiece surface (7) alternately, to control the imaging unit (5) to sample the image of the illuminated workpiece surface (7) respectively, to calculate a pose of a welding torch (8) with respect to the workpiece and a position of a center point of the groove (72) according to the image.

The invention discloses a tool head pose adjusting method and device and a readable storage medium. Laser distance sensors are used for detecting the distance value of laser points, at least one planecan be constructed by the laser points, accordingly, various planes corresponding to to-be-detected parts can be determined, the comprehensive normal vector of various planes is calculated, pose parameters of a robot tool head are calculated through the pose expression, and accordingly the pose of the tool head is adjusted. By means of the tool head pose adjusting method and device and the readable storage medium, the pose parameters of the to-be-adjusted pose of the tool head can be accurately determined, and accordingly the operation efficiency of a moxa-moxibustion instrument is improved;and in addition, the cost of the laser distance sensors is low, when the robot operates, precision is high, real-time performance is high, and the robot can adapt to the tool head and human body contact type scene or the scene where a certain distance is kept from the human body.

The invention provides a method and device for determining a scanning part and terminal equipment. The method comprises the steps that scanning data obtained by performing PET scanning on a detected object is obtained; to-be-measured energy information and to-be-measured time information of a positron annihilation event in the scanning data are obtained; the to-be-measured energy information and the to-be-measured time information are input to a trained machine learning model to obtain matching degrees between the scanning data and pre-divided body parts; according to the matching degrees, thecurrent scanning part is determined. The method has the advantages that the corresponding body parts can be determined by using the image data of PET itself, and the current scanning part can be determined in real time when PET scanning is performed on the detected object.

The invention discloses a method and system for determining a feedback force in a virtual cardiovascular interventional operation training system. The method includes the following steps that: displacement trajectory segments of a guide wire, topologic information of inner elements of the tetrahedral meshes of a blood vessel, and associated information of the triangular patches of the inner wall of the blood vessel and a space bounding box are obtained; based on the above results, whether the guide wire and the blood vessel collide is judged; if the guide wire and the blood vessel collide, the coordinates of a collision point and the coordinates of a force sense interaction device of a guide wire node are determined; and a virtual feedback force between the guide wire and the blood vessel is determined according to the coordinates of the collision point and the coordinates of the force sense interaction device of the guide wire node. With the method and system provided by the embodiments of the invention adopted, technical problems in accurately determining a virtual feedback force between a guide wire and a blood vessel in real time can be solved.

A mechanical arm inverse kinematics solution error determination and correction method and device. Prior to operation an error model is established, during operation a current error is determined via error solution, and corresponding data correction is performed by using the error model, solving the technical problem that conventional methods cannot determine inverse kinematics solution errors in real time and in-process, and cannot achieve timely correction of data errors. The method comprises: performing error solution on an inverse kinematic solution under test to obtain an error solution result, and establishing an error model according to the error solution result (S11); obtaining motion target data of a target object (S12); performing, according to the motion target data and by using the inverse kinematic solution under test, inverse kinematics calculations to obtain data of joint variables (S13); performing an error solution according to the joint variables data to determine a current error of the inverse kinematic solution under test (S14); and correcting, according to the current error, the joint variables data by using the error model (S15).

The invention relates to a processing method and device, and the method comprises the following steps:obtaining an environment image of an environment where electronic equipment is located at present, and obtaining point features and / or line features on the environment image; determining three-dimensional space position information of the point features and / or the line features; and determining plane information in the current environment of the electronic equipment at least based on the three-dimensional space position information. The processing method provided by the embodiment of the invention can accurately and comprehensively detect the plane information in the current environment of the electronic equipment without depending on a depth camera, and is wide in application range and relatively low in cost. According to the method, the plane information in the current environment of the electronic equipment can be determined by adopting a universal monocular or multi-view camera, the operation is convenient, a depth camera does not need to be used, and the universality is high; and meanwhile, the plane information of the current environment of the electronic equipment can be accurately and comprehensively detected, the plane information can also be accurately determined in the environment with few textures, and good robustness is achieved.

The invention relates to a method for determining the temperature-dependent behavior of a friction clutch having at least two disks carrying friction surfaces in the form of at least one counter pressure disk and at least one pressure disk, wherein The temperature model estimates the clutch temperature at least by means of energy input into the friction clutch. In order to further improve the temperature dependence of the function of the friction clutch, the temperature-dependent friction power is determined from the temperature estimated from the temperature model and from the properties of the geometry of the at least two disks.

The invention discloses a broadband linear frequency modulation pulse signal initial frequency determination method and system. According to the method for determining the initial frequency of the broadband linear frequency modulation pulse signal, after discrete data of the broadband linear frequency modulation pulse signal are obtained, the discrete data are buffered to obtain buffered data, a continuous pulse signal can be converted into the discrete signal, after the cached data are preprocessed to obtain time domain data, under the condition that the center frequency of the broadband linear frequency modulation pulse signal is known and the frequency modulation slope is unknown, the initial frequency of the broadband linear frequency modulation pulse signal can be determined in real time according to the time domain data, and then problems that a common linear frequency modulation pulse signal initial frequency estimation method is large in calculation amount and cannot process in real time are solved.

The embodiment of the present application discloses a voice quality assessment method, which relates to the field of communication technology and is invented to solve the problems existing in the prior art that the voice quality of the network cannot be assessed in real time and the accuracy of the assessment result is poor. The method is applied in a VoWiFi scenario. In a VoWiFi scenario, a calling terminal accesses a WiFi network and initiates a call through the WiFi network, and a called terminal accesses a call through a cellular network. The method includes: acquiring the signal strength of the WiFi network accessed by the calling terminal when the calling terminal initiates a call. Obtain the received signal strength when the called terminal accesses the call through the cellular network. The voice quality evaluation result of the call is determined according to the signal strength of the WiFi network accessed by the calling terminal when the calling terminal initiates the call, the received signal strength when the called terminal accesses the call through the cellular network, and a preset evaluation model.

The invention provides a strong specular reflection workpiece thin and narrow groove detection device and method based on strip-shaped light sources, and belongs to the field of welding automation. According to the device and the method, a strip-shaped light source array irradiates the surface of a workpiece so that a workpiece surface image with the uniform gray level can be obtained, and the automatic detection on a strong specular reflection workpiece thin and narrow groove is achieved by determining the relative position and the posture between a welding gun and the workpiece through a laser array. According to the device and the method, the strip-shaped light source array irradiates the surface of the strong specular reflection workpiece so that the uniform-illumination workpiece surface image can be obtained, the characteristics of the groove in the image are obvious, the center position of the groove is conveniently and accurately extracted, and the detection accuracy can reach 0.03 mm; the relative position and the posture between the workpiece and the welding gun can be rapidly and accurately obtained through the laser array; the system structure is simple, the detection accuracy is high, instantaneity is high, cost is low, and the strong specular reflection workpiece thin and narrow groove detection device and method can be applied to automatic detection of the groove of the strong specular reflection workpiece surface and are particularly suitable for the occasion of high-energy beam welding automatic tracking of the thin and narrow groove workpiece with the groove gap smaller than 0.1 mm.