52results about How to "Scan results are accurate" patented technology

The invention discloses an unmanned crane space collision avoidance strategy based on fuzzy decision inference. The unmanned crane space collision avoidance strategy includes the steps of firstly, determining the starting point and the ending point of a crane and a possible route; secondly, scanning the whole environment inside a workshop through lasers, and drawing a laser scanning result graph; calculating the space topological relations between the crane and entities such as devices and goods in all areas through the fuzzy inference and decision theory and a design algorithm when the route is selected, and judging whether the workshop is separated from the entities of equipment, goods and the like in each area of the workshop; replanning the route and executing the first step if the workshop is not separated from the entities of equipment, goods and the like in each area of the workshop; selecting and using the route and executing the hoisting task if the workshop is separated from the entities of equipment, goods and the like in each area of the workshop. The space topological relations between the crane on the assigned route and the other entities in the workshop are calculated through the fuzzy control theory and the fuzzy decision inference algorithm, the non-collision requirement of the hoisting task is met through supporting of the space topological relations, the detection means is provided for the feasibility of the route planning result of the unmanned crane, and reliability of the hoisting tank under the unmanned operation environment is improved.

A scan body element to be inserted in a dental implant or implant analog for scanning with, or in, an optical scanning system. The scan body element has a polymer or a ceramic top part (TP) with at least one geometric feature (S1) recognizable in the scanning. A metallic lower part (LP) is shaped to fit to a dental implant or an analog, and fixed to the top part (TP), e.g. by press fitting. A central part (CP) is arranged inside the lower part (LP), and comprises a threaded portion, and a recess (R) for receiving a screw driver through a hole in the top part (SDO), thus allowing the threaded portion to be turned relative to the lower part (LP) to fasten the scan body element to the implant or the analog. The central part (CP) may be interlocked between the lower part (LP) and the top part (TP) and thus the scan body element constitutes one single element for normal use.

An array piezoresistive tactile sensor adopting voltage array feedback method to weaken return circuit interference of scanning circuits belongs to the field of array piezoresistive tactile sensors. The sensor solves the problem of a return circuit interference of a scanning circuit in the array piezoresistive tactile sensor, simultaneously realizes the more simple circuit. The sensor weakens thereturn circuit interference of the line scanning circuit of the array piezoresistive tactile sensor after transferring output voltage signals of the current scanning line on a signal collecting flexible circuit board to a switch circuit and an amplifier circuit, namely the signals are divided into two paths, one path of the signals are converted into the digital quantity through an ADC circuit, thereby realizing collecting the tactile sense information, the other path of the signals are fed back into non-sampling array electrodes through a first analog signal output storage and analog switch,and a logical control circuit controls a multiway switch to provide standard high voltage for the current scanning line on the tactile sense signal collecting flexible circuit board. The array piezoresistive tactile sensor can effectively weaken the return circuit interference of scanning circuits.

The invention belongs to the technical field of three-dimensional scanning, and particularly relates to a three-dimensional scanning device. The three-dimensional scanning device comprises a base, wherein the base is provided with an inner ring mechanism and an outer ring mechanism; the inner ring mechanism is provided with a first rotating assembly and an annular rotating plate; the first rotating assembly comprises a first case; the first case is provided with a first motor; the first motor is provided with a first gear; the annular rotating plate is provided with rotating teeth; the annularrotating plate is provided with a scanning camera; the inner ring mechanism is provided with a rotating rod; the outer ring mechanism is provided with a cross ring groove; the cross ring groove is connected with a cross sliding block in a sliding manner; the base is provided with a supporting column; the cross sliding block is provided with a clamping jaw mechanism; a cavity is formed in the base; the base is provided with a second rotating assembly; the second rotating assembly comprises a straight rack and a second case; the rotating rod is connected with a second gear; the cavity is provided with a positioning groove; the straight rack is provided with a hinging seat; the hinging seat is hinged to a hinging rod; a second motor is arranged in the second case; the second motor is connected with a rotating disc; the rotating disc is provided with a connecting rod; and the connecting rod is hinged to the hinging rod.

The invention provides a scanning system which comprises at least one probe, at least one scanning driving device and a rotating device, wherein the number of the probes is identical to that of the scanning driving devices; and one probe is mounted on one scanning driving device. Within a scanning cycle, the positions of the probes are controlled unchanged by the scanning driving devices, a tested sample is scanned by the probes according to the driving frequencies of the scanning driving devices, and the tested sample is rotated through the rotating device, so that a circular scanning track is obtained when a circular tested sample is scanned by using the scanning system. Therefore, a scanning system capable of providing a circular scanning track is provided, important points representing morphology of a circular tested sample are not omitted when the circular tested sample is scanned, and an accurate scanning result of the circular tested sample is acquired.

The invention discloses an information processing method, a terminal and a server. The method comprises: a plurality of applications are operated according to a first preset rule; when the plurality of applications are detected to be in an operation state, a monitoring plug-in unit generated based on a first security framework is loaded; the monitoring plug-in unit is controlled to scan behavior information of the plurality of applications in the operation state to obtain dynamic scanning results; and according to a second preset rule, the dynamic scanning results are analyzed to obtain software security vulnerability information of the applications, and then the software security vulnerability information of the applications is reported to a server.

The invention discloses a method and a system for collecting and evaluating scanning data. The method comprises the following steps: setting an area to be scanned, obtaining a prescanning time of thearea to be scanned, a prescanned file size and a prescanning stroke; estimating an estimated scanning time of a region to be scanned and an estimated scanning file size; according to a preset scanningarea modification scheme, segmenting the scanning area to be scanned to obtain a segmented scanning area; scanning an area to be scanned or a divided scanning area to obtain X-axis, Y-axis and Z-axisscanning data of the scanning area; scanning the surface of the standard board to get the standard data for leveling, calculating the standard variance of the standard data as the measurement accuracy of the scanner; calculating and comparing the standard deviations of X-axis, Y-axis and Z-axis scanning data with the roughness range of the standard plate to obtain the evaluation results of the scanner. The invention can realize the accurate control of the scanning process and the efficient processing of the collected data, thereby improving the accuracy and stability of the scanner.

The invention relates to the technical field of knowledge graphs, and provides a knowledge graph monitoring method and device, computer equipment and a storage medium, and the method comprises the steps of responding to a received monitoring request for monitoring a to-be-tested knowledge graph, and obtaining the record information of the to-be-tested knowledge graph according to the monitoring request; configuring a plurality of first knowledge bases for the to-be-tested knowledge graph according to the record information; grading the contents in the plurality of first knowledge bases to obtain a plurality of second knowledge bases; performing structured processing on the plurality of second knowledge bases to obtain a standard monitoring template; calling the standard monitoring templateto scan the to-be-tested knowledge graph and obtaining a scanning result; and generating a monitoring report according to the scanning result. According to the invention, accurate and customized monitoring can be carried out on the knowledge graph, the monitoring quality is high, and the service capability of the knowledge graph can be improved in an assisted manner.

The invention provides an OCT system for widening the fundus imaging range, and belongs to the technical field of medical imaging. The OCT system comprises a fundus imaging light source, a sample arm,a first signal processing unit and a computer; the sample arm comprises a galvanometer unit, an eye lens and a distance-lengthening scanning mirror unit; the distance-lengthening scanning mirror unitcomprises a first optical filter, a second optical filter, a first reflecting mirror, a second reflecting mirror and a first scanning lens; a first light beam emitted by the fundus imaging light source sequentially passes through the galvanometer unit, the first optical filter, the first reflecting mirror, the first scanning lens, the second reflecting mirror, the second optical filter and the eye lens to reach the detected human eyes finally, and then is reflected back the first signal processing unit from the detected human eyes along an original light path to form first data flow, and thefirst data flow forms a fundus imaging picture through a computer. The distance-lengthening scanning mirror unit is arranged between the galvanometer unit in the sample arm and the eye lens, the fundus imaging picture with the wide imaging range can be obtained, and thus the condition of the detected human eyes can be accurately understood according to a fundus fault picture.

The invention relates to the technical field of X-ray detection instruments, in particular to a multi-detector X-ray fluorescence micro-area scanning instrument and an imaging method thereof. An X-rayfluorescence micro-area scanning instrument with multiple detectors comprises an X-ray generating device, an X-ray converging device, a detecting device, a moving device and a computer for analyzingand processing data information, the detecting device comprises at least two detectors, and the distances between the detecting faces of all the detectors and the emitting focus of the X-ray converging device are equal. The X-ray generating device generates X-rays, and the generated X-rays are collected by the X-ray collecting device to form small focal spots. Fluorescence data generated after theX-ray irradiates the sample is collected by the detector and sent to the computer for analysis. The detection area and the counting rate are increased by arranging a plurality of detectors, and meanwhile, the dead time of the detectors is not increased, so that high-precision and high-efficiency scanning is realized.

The invention relates to a foot shape 3D scanner for orthopedics department, which comprises a scanner body (1), a placing groove (2) for accommodating feet is formed in the scanner body (1), the bottom and the two sides of the placing groove (2) are each provided with a scanning device (3), the scanner body (1) is further provided with a control device (4), and each scanning device (3) comprisesa sliding rail (3.1) installed on the scanner body (1) and an electric sliding block (3.2); each electric sliding block (3.2) is provided with an electric control angle adjusting table (3.3), each electric control angle adjusting table (3.3) is provided with a scanning head (3.4), the control device (4) comprises a controller and a touch screen, and a sliding block motor of each electric sliding block (3.2), an angle motor of each electric control angle adjusting table (3.3), and each scanning head (3.4) and the touch screen are connected with the controller. The 3D data of the foot shape canbe accurately obtained, and adjustment and use are convenient.

The invention relates to the technical field of 3D printing, and discloses a 3D printing three-dimensional scanner. The 3D printing three-dimensional scanner comprises a shell, a control panel, a scanner system circuit, a rotary disc and a drainage mechanism, wherein a top plate is mounted above the shell, a first electric telescopic rod is mounted at the bottom of the top plate, and an output shaft of the first electric telescopic rod is rotationally connected with a connecting piece. According to the 3D printing three-dimensional scanner, foreign matters on the surfaces of living shells can be cleaned before scanning, so the foreign matters are prevented from influencing scanning; meanwhile, the living shells can be rotationally scanned, and manual scanning is replaced, so the problem that before 3D printing is conducted on the living shells at present, if the surfaces of the living shells are not cleaned, scanning results are affected by direct scanning since foreign matters such as sludge or algae exist on the surfaces of the living shells is solved, and the problem that scanning precision is influenced due to shaking of the hand when a handheld three-dimensional scanner is used for scanning is solved.