217results about How to "Shorten judgment time" patented technology

The invention discloses a cigarette packet seal defect detecting system based on image identification technology. The cigarette packet seal defect detecting system comprises a camera connected to a cigarette making device, a fiber optic sensor, an optoelectronic switch, a programmable logic controller (PLC), a rejection unit, a detecting computer and a monitor display. An image detection system comprises a cigarette packet acquisition module, a cigarette packet image conversion and transmission module, a cigarette packet processing and identifying module, a logical control module, an on-line detecting and monitoring module, and an unqualified cigarette packet rejection unit module. A rapid cigarette packet seal defect detecting method based on image feature recognition is also provided. The invention provides the defect detecting system and the method which are used for cigarette online production small packet seals and cigarettes factory small packet cigarette making devices, and are based on image identification technology.

The invention discloses a concrete pump intelligent monitoring and control system. A magnetic telescopic displacement sensor is respectively arranged on the piston rod of the main cylinder of a concrete pump; pressure sensors are respectively arranged on a main pump hydraulic system, a concrete pump main cylinder, a swing hydraulic system, a swing cylinder, a concrete conveying cylinder piston, a concrete pump outlet, a concrete pump supporting leg hydraulic system, and a mixed hydraulic system; the outlet of the main cylinder and the outlet of an auxiliary pump are respectively provided with flowmeters; a rotation speed sensor is arranged on a motor mainshaft; a switch sensor is respectively arranged at the position of a concrete water tank; a temperature sensor and a liquid level sensor are arranged at the position of a concrete pump oil tank; all parts are respectively connected with the concrete pump and a PLC; the PLC is respectively connected with an alarm indicator device, a contact screen, an upper bit computer, and a wireless communication module. The invention can implement timely, online and remote state monitoring, malfunction diagnosing and intelligent control, so as to improve the integration performance of the concrete pump.

The invention discloses multirobot collision preventing method and system. Robots obtains motion speeds and motion tracks to obtain positions of simulated movements within a preset time and create an environmental map; coordinates of the geometric profile peaks of the robots are sequentially obtained; whether the robots collide with obstacles or other robots or not according to different judgment methods, and time marks are made; all collision marking information and robot position related information are acquired, the environmental map is updated, and the moving speeds and the moving tracks of the robots are adjusted. The collision between the robots and the obstacles or other robots can be greatly avoided, normal operation of most of robots can be effectively ensured, different judgment times can be adopted for predicted collision between the robots and the obstacles and predicted collision between the robots, and the calculation time can be greatly shortened.

The invention relates to a vehicle position and gesture estimation method based on a traffic sign. The method comprises the following steps that: firstly, through conventional GPS (Global Positioning System) equipment, obtaining the sketchy position of a vehicle, and obtaining an image in front of the vehicle through a monocular camera installed in front of the vehicle; then, detecting the traffic sign in one frame of image, and processing a next frame of image if no traffic signs are detected; after the traffic sign is obtained by detection, extracting four control point coordinates of the traffic sign, obtaining four pre-stored orthogonal control point coordinates of the traffic sign pre-stored in a database through GPS sketchy information, calculating a plane perspective transformation matrix from a traffic sign position to a database orthogonal position in an input image, and carrying out resolving by the matrix to obtain the accurate position and gesture of the vehicle under a traffic sign coordinate system, wherein the four control points correspond one by one. When the vehicle is driven on a road provided with the traffic sign, the position and the gesture of the vehicle under the traffic sign coordinate system can be quickly positioned, and the method has the advantages of being high in instantaneity, low in cost and easy in large-scale promotion.

The invention relates to the technical field of unmanned planes, and specifically relates to a remote range finding based target positioning method, device, and unmanned plane. The method comprises following steps: obtaining images that contain a target from a camera mounted on the holder of an unmanned plane; obtaining the linear distance (L) between the target and the holder by a range finding device arranged on the holder; obtaining the current position of the unmanned plane and the attitude data of the holder; and calculating the position of the target in an earth coordinate system based on the linear distance (L), the current position of the unmanned plane, and the attitude data of the holder. The provided method, device, and unmanned plane have the advantages that the unmanned planecan rapidly and effectively lock and position a target in a task, the judgment time is shortened, and the task is finished efficiently.

The invention discloses a method for monitoring the water-charging process and water-discharging process of a washing machine. The method comprises the following steps: in the water-charging process or water-discharging process, a computer board reads the water level frequency once after a set period of time; and if the water level frequency is not changed compared with the last water level frequency and the set total times of reading and the total time water level frequency are not changed, a water-charging overtime alarm or the water-discharging overtime alarm is executed. Every time when the computer board reads the water level frequency, the water level is compared with a preset water level to judge whether to reach the preset water level; if so, the water-charging process is stopped or the water-discharging process is started; if not, the water level frequency is compared with the next water level frequency to judge whether the water level frequency is charged; and the preset water level is the washing water level or empty water level. By adopting the method of the invention, the changes of the water level can be detected dynamically in the water-charging process or water-discharging process to judge whether the water-charging or water-discharging state is normal; and when the water-charging or water-discharging state is abnormal, the water-charging process or water-discharging process is stopped and the user is informed through the alarm.

The invention relates to the technical field of CNN and image classification and recognition, in particular relates to a breast cancer histopathologic grading method based on CNN and image histological feature fusion. The invention provides a method for judging the histopathologic grade of the breast cancer of the molybdenum target image by constructing a feature-fused CNN model, the features withhigh correlation with the histopathologic grade of the breast cancer are selected based on the grayscale features, the texture features and the wavelet features extracted from molybdenum target tumorregion through LASSO logistic regression model for feature selection, and then the high-level semantic features extracted by CNN and the selected image histological features are fused in the newly added full-connection layer of the network, and the fused CNN model is used for recognizing the histopathologic grade of the breast cancer. The breast cancer histopathologic grade of the patient can bedirectly analyzed and judged by the mammography target image scanned by the patient, thereby ensuring the discrimination accuracy and further shortening the discrimination time.

The embodiment of the invention discloses an image lossless compression method on the basis of a Huffman code. In the image lossless compression method, an optimal coding method can be obtained by adopting an optimal coding theorem of alterable word length coding according to an inverted sequence distribution code word length of the appearance probabilities of characters, and a code is given to each character by the Huffman code so as to form a coding table, wherein the coding table needs to be stored and in the decoding process, the coding table needs to be referred to so that the decoding can be correctly carried out; and the Huffman code is a different prefix code, and thus, in the decoding process, as long as a binary sequence with a certain length can be matched with the code in the coding table, the sequence is the code of one character, so that the unique decoding property is ensured. Due to the adoption of the image lossless compression method on the basis of the Huffman code, the rapid search is realized by decreasing the times of logic judgment and increasing a small quantity of space for storing the coding table, the coding table and a decoding table are respectively stored at a coding end and a decoding end, and the table lookup is directly carried out in the coding process, so that a great amount of judging time is saved.

The invention provides an FTU-based power distribution network fault positioning method which belongs to the field of distribution automation. The FTU-based power distribution network fault positioning method mainly settles a fault positioning problem in a 10KV feeder line of a power distribution network. According to the FTU-based power distribution network fault positioning method, a power distribution network describing matrix D is formed according to the topological structure of the feeder line of the power distribution network; fault information is acquired through the FTU; then a fault current branch end node determining matrix P is generated according to the fault information; the end node of the fault current branch can be effectively determined according to related factors in the P; and the line after the node is the fault segment. The FTU-based power distribution network fault positioning method realizes fault positioning for the feeder line of the power distribution network and has an advantage of simple and effective determining principle. Complicated multiplexing calculation is not required. Furthermore the FTU-based power distribution network fault positioning method can well settle problems of feeder line end fault positioning and multi-point fault positioning.

The present invention relates to data communications field, especially relates to a technology for improving transmission efficiency in document transmission process. The invention provides a document transmission device and a method thereof, including: dividing the document to be transmitted into set size packets, determining compressibility of the packets; if the compressibility is less than a set value, then compressing the packet and transmitting; otherwise, transmitting the packet directly. Judging compressibility of the packet before transmission. If the compressibility is determined as low then compressing the packet and transmitting the packet, this moment, the data to be transmitter is compressed greatly and the transmission time is reduced; if the compressibility is determined as high, then transmitting the packet without compression so as to reduce a compression time of senders and a decompression time of receivers which improving transmission efficiency on the whole.

The invention discloses an online analyzing method for grid forced power oscillation caused by internal disturbance of a power plant and relates to the field of power system operation and control. The method is mainly used for judging whether the grid forced power oscillation is caused by internal periodical disturbance of the power plant. In actual operation of a grid, the forced power oscillation caused by generator disturbance is the most common oscillation mode, but whether grid oscillation is caused by the internal disturbance of the power plant where the grid is connected or by the disturbance at the grid end is difficult to judge directly through the characteristics of oscillation amplitude, frequency and the like. Therefore, the method is provided to identify measured data parameters of the power plant connected into grid nodes based on FFT (fast Fourier transform) and conduct energy flow phase difference analysis to judge whether the grid oscillation is caused by the internal disturbance of the power plant where the grid is connected. By means of the method, judgment can be conducted directly at a measuring terminal, and the method is simple in calculation and high in analyzing speed and has good actual application value.

The invention relates to a reactor dynamic interlock system and method based on a digital instrumentation and control system. The reactor dynamic interlock system comprises a fault diagnosis module, a decision support module and a dynamic interlock module. When a reactor apparatus generates an abnormal status, the fault diagnosis module outputs possible fault reasons, the decision support module lists corresponding emergency operation procedures, after an operator determines an emergency operation procedure according to a judgment, and the dynamic interlock module automatically executes the emergency operation procedure through a controller and downloads a monitoring configuration shielding dangerous operation for an operator station, such that the execution efficiency of the emergency operation procedure can be effectively improved, wrong operation of the operator can be prevented, and safe operation of a reactor is guaranteed.

The invention provides a method of automatic product complex component triaxiality auto-adapted finite element grid model, its characteristic lies in the step is in turn: (1) gathers the data and carries on the pretreatment; (2) founds the initial wave front ring; (3) defines the saturation point, the freespot, the wavefront side, the wavefront spot, the wavefront two wings and edge flare angle, produces primitive survey data grid model; (4) carries on the auto-adapted encryption to the finite element grid model; (5) optimizes processing. This method while saved the construct time of the finite element grid, produced the grid cell approached to the equilateral triangle, and settles a foundation to enhance the finite element solution precision.

The invention provides a pinyin input system and a method based on a touch screen as well as electronic equipment. By utilizing an initial keyboard, and combining characteristics of initial consonants and vowels of Chinese pinyin and an optimized vowel keyboard with a plurality of identification areas after fuzzy pinyin is expanded, a complete pinyin syllable can be input by sliding once, so as to reduce key pressing time and a sliding distance, reduce the complexity of the vowel keyboard, avoid a study threshold and improve user experience; furthermore, retroflex consonants and n / ng tail vowels can be vividly input by similar gesture operations through a path curve of a sliding track, so that the input efficiency is greatly improved; and moreover, through calculating the vowels which may be matched with the input initial consonants, the vowel keyboard is further simplified, so that the visual selection cost of a user and the judging time are reduced.

The present invention discloses processing electronic mail method and system, it containing through to preset mail category message list mode to make transmitting side user capable of making labeling in transmitting mail, receiving side mail server receiving said transmitted mail, according to sort labeling making relevant processing. Receiving side user obtains personalized mail service through editing and modifying mail category message, while transmitting side user through subscribing to obtain receiving side user's mail category message. The present invention is suitable for mobile mail communication system.

The invention relates to a virtual image display method and device of a virtual object, equipment and a storage medium, and relates to the technical field of virtual scenes. The method comprises the following steps: in response to a team image display instruction, obtaining attitude information used for indicating respective attitude of each virtual object in a target team; generating a three-dimensional virtual image of each virtual object based on the attitude information; displaying a team image display interface in a first terminal corresponding to the first virtual object, wherein the team image display interface comprises a three-dimensional virtual image of each virtual object; wherein the first virtual object is any virtual object in a target team. Through the above method, according to the invention, users can simply and directly obtain virtual objects selected by other users in the same team through the virtual images of the virtual objects in the terminal team image displayinterface in the team forming process; therefore, the judgment time of the user for the virtual object in the team forming process is shortened, the team forming efficiency is improved, and meanwhilethe interface display effect is also improved.

A card authenticity judging apparatus includes a light projecting system for projecting a laser measurement light Q1 toward hologram which is provided on surface of a card 1 and on which an image 4' based on a grating pattern 3 is formed, a Fourier transform lens 27 for forming grating pattern image on a light receiving section 28 on the basis of reflected diffraction luminous flux of being reflected from the hologram, and a judging means 30' for judging authenticity of the card 1 based on photoelectric output from the light receiving section 28, in which authenticity of the card 1 is made to judge depending on grating pattern image based on reflected diffraction light.

The invention relates to the technical field of fault distinguishment in an electric power system, in particular to a method for distinguishing transient state instability of the electric power system in real time based on voltage track after disturbance. The method comprises five steps, namely, selecting a voltage observation node, identifying voltage drop after fault clearance, complexly integrating the voltage track, distinguishing the transient state instability of the electric power system and identifying the fact that local voltage is over-low. The method for distinguishing the transient state instability of the electric power system in real time based on the voltage track after disturbance, disclosed by the invention, aims to solve a problem of system transient state instability caused by large disturbance out of a two-defense-line control range based on a measurement configuration of the existing phasor measurement unit ( PMU ) and a wide area measurement system ( WAMS ) in a power grid, and has the advantages of simple algorithm, low calculated quantity, less dependence on data precision and high reliability.

The invention provides a fault diagnosis system. The fault diagnosis system includes an execution terminal, a controller, a fault diagnosis module, a first output terminal and a background server; the execution terminal is arranged in a vehicle and is connected with the controller, and monitors the operation signals of various components in the vehicle; the controller is connected with the fault diagnosis module, monitors the fault diagnosis module, and transmits monitored first monitoring signals and received operation signals to the fault diagnosis module; the fault diagnosis module monitors the controller, receives the first monitoring signals and the operation signals, and performs diagnosis; and the background server receives abnormal signals and judges the fault condition of the vehicle. Thus, the controller and the fault diagnosis module in the fault diagnosis system can monitor each other and give feedback to each other, so that errors in detection results caused by the damage of the controller or the fault diagnosis module can be avoided.

The invention discloses an automatic vehicle traveling method and device. The automatic vehicle traveling method comprises the steps that global positioning system (GPS) data are uploaded to a server, so that whether a vehicle is in a vehicle queue or not is determined; when the vehicle is in the vehicle queue, the traveling state, shared by the server, of a vehicle in front is received; and the traveling state of the vehicle is made synchronous with the traveling state of the vehicle in front. The traveling state of the vehicle can be synchronized according to the traveling state of the vehicle in front, so that the traveling states of all the vehicles in the vehicle queue are kept consistent, the judging and waiting time during human driving is shortened, and the traffic efficiency of roads is improved.

The invention discloses a fault detection method and device which are used for solving the problem in the prior art that faults occur in the an operation system installation process cannot be known in time. The method comprises the steps of: obtaining a screen image of a target host in the operation system installation process through an intelligent platform management interface of the target host; determining the installation state of the operation system of the target host according to the display content of the screen image; and outputting an alarming message used for prompting the current abnormal installation of the operation system when the installation state is determined to be abnormal.

A projection exposure apparatus comprises a mask, a projection lens, a workpiece stage, a silicon wafer, a light source, a projection unit, a detection unit, a signal processing unit and a main controller; the projection lens is used to project the pattern of a mask to the upper surface of the silicon wafer on the workpiece stage; light emitted by the light source is incident on the silicon wafer via the projection unit, is reflected by the upper surface of the silicon wafer, and is received by the detection unit; and the signal processing unit processes the received light signal, obtains the pose information of the silicon wafer upper surface in a current measurement area, and sends the information to the main controller. Multiple measurement light spots are arranged on the silicon wafer of the projection exposure apparatus, multiple measurement points are arranged at the external of an exposure field, and multiple measurement light spots are arranged around the external of the exposure field.

The invention provides a water jet assisted rock breaking intelligent control system and method. The method comprises the following steps: judging whether the water jet assisted rock breaking system is started or not according to the state of surrounding rock by acquiring the state of the surrounding rock; if the water jet assisted rock breaking system is started, detecting the water supply pressure and flow of the water jet assisted rock breaking system in real time, and transmitting the detection value to a diagnosis module; and when water supply pressure drop is greater than a set thresholdvalue, determining that a fault occurs, and closing the water jet assisted rock breaking system. The operation efficiency and the safety reliability of the water jet assisted rock breaking system areeffectively improved.

The invention provides an electric power system stability control strategy on-line simulation calibration method. The method comprises the steps that step 1, electric power system operation data are loaded; step 2, traversal is conducted on items of a stability control strategy index table, and the stability control strategy index table respectively has indexing relationship with a mode constraining table, a monitoring constraining table, a fault constraining table, a posterior constraining table and a stability control describing table; when the items of the stability control strategy index table are traversed, whether operation data meet the mode constraining, the monitoring constraining, the fault constraining and the posterior constraining of one item is sequentially judged, if yes, step 3 is executed; if not, step 4 is conducted; step 3, transient stability simulation is conducted on a stability control action corresponding to the item, if the system is stable, the stability control action is judged to be the stability control strategy suitable for an electric power system, otherwise the step 4 is executed; step 4, pre-warning information is given. The electric power system stability control strategy on-line simulation calibration method used as a comprehensive assessment method is standard and precise in strategy description, and is rapid and efficient in matching analysis.

The invention discloses a mistake proofing crimping production method of a display panel, a structure of the display panel, and the display panel. The production method is characterized in that the alignment mistake proofing marks, asymmetrically distributed along PINs, on ITO glass and a flexible printed circuit board can be quickly recognized and aligned by using existing recognizing equipment; the production method is simple, the operability is strong, each alignment mistake proofing mark on the ITO glass is formed by four square structures uniformly distributed at intervals; the mistake proofing alignment marks on the flexible printed circuit board adopt the corresponding crossed structures; ITO conductive surface marks with the asymmetrical structures adopt G-shaped structures; the ITO conductive surfaces can be easily recognized with naked eyes by the ITO conductive surface marks, so that the judgment time in recognizing the ITO conductive surfaces manually is saved, manual judgment in spot check or analysis is also facilitated, accordingly, the multiple mistake proofing is achieved, and besides, the production efficiency is improved when the crimping production correction rate is improved.

The invention belongs to the technical field of vehicle accessories, and particularly relates to an outside rear-view mirror and a method for adjusting the outside rear-view mirror when used for a vehicle. The outside rear-view mirror comprises a reflective mirror set and a shell. The reflective mirror set is composed of a first reflective mirror and a second reflective mirror. The first reflective mirror and the second reflective mirror are vertically arranged in the shell in the vertical direction. A drive mechanism is located in a cavity formed between the reflective mirror set and the shell and connected with the first reflective mirror and the second reflective mirror to drive the first reflective mirror and the second reflective mirror to rotate in the shell. Both the first reflective mirror and the second reflective mirror are convex lenses. The curvature radius of the first reflective mirror is the same as that of the second reflective mirror. By the adoption of the outside rear-view mirror, the dead zone phenomenon of a conversional outside rear-view mirror can be greatly and effectively avoided, vision disparity is reduced, and erroneous judgment is reduced; and the method for adjusting the outside rear-view mirror is reliable, practical and suitable for being widely applied and popularized as a vehicle accessory.

The invention provides a random texture anti-counterfeiting mark, which comprises a carrier and a plurality of texture particles randomly distributed on a bearing surface. A non-contact surface of each texture particle comprises at least two visual color parts. Each visual color part presents respective visual color, so that at least one inclination angle exists, overall visual color formed by observing the plurality of texture particles at the inclination angle and overall visual color formed by observing the plurality of texture particles in the vertical direction vertical to the bearing surface have human-eye-recognizable visual color difference; and specific identification characteristics of the texture particles in the random texture anti-counterfeiting mark can be identified under the condition of not using an auxiliary tool, so that public participation is improved greatly. The invention also provides an anti-counterfeiting system adopting the random texture anti-counterfeiting mark, the texture particles for the anti-counterfeiting mark and a use method for the anti-counterfeiting mark; and same beneficial technical effects are obtained.

A single-cell capturing chip is disclosed. The chip comprises a liquid layer, an elastic membrane layer and a driving mechanism, wherein the liquid layer comprises a liquid path, the liquid path is communicated with outside of the chip through a port of a liquid feeding pipe and a port of a liquid discharging pipe, the elastic membrane layer comprises an elastic membrane on the liquid path, and the driving mechanism is at least used for driving a local zone of the elastic membrane to generate deformation and / or displacement towards the liquid path, and therefore a cell cavity for entrapping a single cell from liquid flowing through the liquid path is formed between the elastic membrane layer and the liquid layer. By presetting the cell cavity, the chip increases the single-cell capturing efficiency and reduces the number of fed cells needed for capturing.

The invention discloses a pedestrian target prompting and collision early-warning system based on an infrared spectral imaging and artificial lateral line technology. Dynamic infrared images of a visual field scene by means of an infrared assembly, pedestrian targets in the infrared image of each time frame are screened by utilizing an Adaboost algorithm, so that the early warning is more targeted, a dangerous target is screened from the pedestrian targets by further utilizing a traversing algorithm and an approximation algorithm, a distance and a speed of the dangerous target are sensed withthe assistance of an artificial lateral line unit, a collision time of a vehicle and the dangerous target is calculated, and a collision early-warning prompt is given when the collision time is less than a specified threshold value. A pedestrian early-warning method and a pedestrian early-warning method system disclosed by the invention are especially suitable for crowd-gathering areas such as a commercial area and a traffic intersection, and solve the problems that pedestrian features change greatly and are difficult to detect and warn in advance.