496results about How to "Improve marking efficiency" patented technology

The invention discloses a digital identification method, a digital identification device, a neural network training method and a neural network training device. The digital identification method comprises the steps of acquiring a digital image sample to be identified, and identifying a digital category corresponding to the digital image sample to be identified through a neural network after training. The neural network after training is trained by the steps as follows: acquiring digital detection samples; detecting a preset neural network by using the digital detection samples, wherein the preset neural network is a neural network trained by digital training samples; judging whether the accuracy rate of the detection results reaches a preset threshold; and when judging that the accuracy rate of the detection results does not reach the preset threshold, adjusting the number of nodes output by the preset neural network, and using an error sample in the digital detection samples to retrain the preset neural network to obtain the neural network after training. The technical problem in the prior art that the precision of digital identification is low is solved.

The invention discloses a marking method of material strips and a compact type full-automatic IC (integrated circuit) material strip laser marking machine. The marking machine comprises a mounting table panel, double runner material boat and material strip conveying devices, a material strip lifting device, a material strip descending device, a rejected product box, a material grabbing and discharging device, a direction detection device, a laser marking mechanism and an electrical control system, wherein the double runner material boat and material strip conveying devices are arranged on the mounting table panel; the material strip lifting device and the material strip descending device are respectively arranged at both sides of the double runner material boat and material strip conveying devices; the rejected product box arranged outside the material strip descending device; the material grabbing and discharging device is spanned right above the double runner material boat and material strip conveying devices, the material strip lifting device, the material strip descending device and the rejected product box; the direction detection device is arranged above the double runner material boat and material strip conveying devices; the laser marking mechanism is arranged above the tail end of the double runner material boat and material strip conveying devices, and a laser marking head of the laser marking mechanism can swing left and right to the right upper side of the first runner material boat and material strip conveying device or the second runner material boat and material strip conveying device to mark; and the electrical control system controls the units to coordinate and act. The compact type full-automatic IC material strip laser marking machine has the characteristics of compact structure and high working efficiency.

The invention discloses an interactive exam estimation system and a method, solving the problem of collision, interference and data loss generated during one receiving and multiple sending of the traditional wireless interactive feedback system adopting frequency hopping or time sharing technology. The invention adopts a unique double-window mode, the interactive teaching tool is automatically embedded into PowerPoint, teachers do not need to modify content of the daily prepared lessons to realize interactive teaching, thus solving the limitation caused by the fact that teachers can only use the feedback system which takes the PowerPoint special template as the main body; one-to-multiple real-time full bidirectional communication is realized between teachers and students and standardized test paper sending exams can be performed.

The invention discloses a zebra crossing scribing device for municipal roads. The device comprises a bottom plate and a transverse plate, wherein a first hanging bracket and a second hanging bracket are respectively arranged at the two sides of the lower end face of the transverse plate; the lower end of the first hanging bracket is provided with a screw rod shaft, and the two ends of the screw rod shaft are rotatablely connected with the first hanging bracket; the screw rod shaft is provided with a sliding sleeve in screw-thread fit connection with the screw rod shaft; a cleaning brush is arranged at the lower end of the sliding sleeve; the transverse plate is provided with a transmission shaft and a drive shaft which are arranged in parallel; two rotary racks are respectively hinged to the two sides of the lower end of the second hanging bracket; the two rotary racks are connected with each other by means of a regulating spring, and the rotary rack positioned at the left side is provided with a hollow coating roller; one end of a support guide pipe is separately communicated with the left end and the right end of a cylinder body, arranged on the transverse plate, by means of twodischarge hose pipes; one-way valves are respectively arranged on the two discharge hose pipes and two feed hose pipes. The zebra crossing scribing device has the advantages of simple structure, continuous and uniform road surface scribing, higher scribing efficiency, unified driving, convenient control, simple and convenient operation and higher practicality.

The invention discloses a drive type hot-melt spraying marking machine, which comprises a rack, and the rack is provided with a power-driven system, a heating system, a marking system, a travel system, a hydraulic control system, a pneumatic control system and a steering system, wherein the power-driven system is in drive connection with the travel system, the hydraulic control system and the pneumatic control system respectively; the hydraulic control system is in drive connection with the steering system; and the marking system is in drive connection with the hydraulic control system and the pneumatic control system respectively. In the invention, a hot-melt spraying coating is heated to be a molten condition through an infrared heating system and a heat-conduction-oil heat preservationcyclic system, and then is sprayed to specified positions through a hot-melt gun, and the like. The drive type hot-melt spraying marking machine has the advantages of high marking efficiency, no needof removing existing lines for redintegration, adjustable width and thickness of marking lines, high heating efficiency, sufficiency for combustion and flexible control of flames.

The embodiment of the application provides a laser marking method. The method comprises following steps: a control mainboard receives coordinates and grey values of target image pixel points; the control mainboard calculates the output power of the target image pixel points according to the grey values; and the control mainbaord controls a laser to output laser light aiming at the target image pixel points with corresponding output power according to the displacement of a vibration mirror. According to the application, an independent pixel point can embody the change of the grey value by the adjustment of the output power of the target image pixel points (marking points), so that the grey value of the image can be presented. The coordinates of the pixel points of the grey-scale image is calculated according to preset resolutions, and the coordinates of the pixel points are not adjusted during a marking process, so that the resolution of the grey-scale image can be guaranteed. A manner that the gray scale is embodied through the density of the marking points is abandoned, and each marking point can embody the grey scale, so that the marking efficiency is relatively improved.

The invention discloses a subjective question self-adaptive examination paper marking method based on answer implication and a dependency relationship. The subjective question self-adaptive examination paper marking method comprises the following steps of 1, analyzing a question; 2, analyzing a standard answer; 3, analyzing student answers; 4, judging whether head words are verbs of the student answers or not; 5, marking the head words which are not the verbs of the student answers; 6, marking the head words which are the verbs of the student answers. Firstly, through the dependency relationship, sentence components of an interrogative in a subjective question and the dependency relationship constituted by the sentence components and the head words are determined; then, according to the sentence components of the interrogative, core semantics of the standard answer and the student answers is determined; finally, through the adoption of a method based on the answer implication, the dependency relationship and the term similarity, omission of the student answers for all the components is subjected to self-adaption, self-adaptive examination paper marking of the same standard answer in different answering modes is achieved, and the accuracy and practicability of a subjective question examination paper marking system are further improved. Therefore, the subjective question self-adaptive examination paper marking method based on the answer implication and the dependency relationship has a wide application prospect in the field.

The invention relates to a drilling lineation method for a skin part. The method includes the following steps: 1) projecting outer edge lines and central points of all holes of the skin part onto a datum plane in the direction of the datum plane according to sizes, 2) drawing projection points on a steel plate with a thickness of 3-5mm according to a ratio of 1:1, 3) drilling light-transmitting holes at the projection points of all the holes and drilling light-transmitting holes arranged in an evenly-spaced mode at the positions of projection outer edge lines, 4) locating the skin part on a mold and placing the steel plate above the skin part, 5) irradiating above the steel plate with parallel light to make all centers of light spots formed by the light-transmitting holes in the projection outer edge lines located on the outer edges of the skin part, and 6) lining out the centers of the light spots on the skin part with a hatching pen to finish lineation. The drilling lineation method for the skin part improves accuracy and efficiency in hole position lineation of the skin part, improves efficiency in producing the skin part and achieves interchangeability of the skin part.

The invention discloses an automatic tagging method and apparatus, a computer device and a storage medium. The method comprises the steps of performing word segmentation preprocessing on a to-be-tagged text to obtain a preprocessed text; inputting the preprocessed text to a TF-IDF algorithm model to obtain a keyword set of the to-be-tagged text; according to the keyword set of the to-be-tagged text, obtaining an initialized transfer matrix, performing multi-time iterative multiplication operation on the initialized transfer matrix and initial keyword probability distribution until convergenceto obtain final keyword probability distribution; and obtaining a corresponding row of a maximum probability value in the final keyword probability distribution, obtaining a keyword corresponding to the corresponding row of the maximum probability value, and setting the keyword as a tag of the to-be-tagged text. According to the method, an article is tagged by automatic learning, so that manual tagging is avoided, the tagging efficiency is improved, and the manpower cost is reduced.

The invention discloses a pedestrian protecting vehicle scriber used for a collision test, which comprises a movable base arranged in the Y direction, a horizontal moving rack, a longitudinal moving rod and a scribing rod, wherein the movable base is provided with a self-arranged leveling and fixing device; the horizontal moving rack and the movable base are in Y-direction sliding fit; a Z-direction extending vertical strut is fixed on the horizontal moving rack; the longitudinal moving rod is horizontally arranged on the vertical strut along the X direction; the longitudinal moving rod can horizontally slide along the X direction and the Z direction on the vertical strut and is locked and positioned; the scribing rod is arranged on one end of the longitudinal moving rod by a universal joint; and a space angle between the scribing rod and the longitudinal moving rod can be regulated at will. The pedestrian protecting vehicle scriber has the characteristics of low working intensity, high scribing efficiency and high scribing precision, is convenient and simple to operate, is convenient to move and saves space, can be made of belt trough aluminium profile, aluminium alloy plates and few steel materials to guarantee integral strength and have portability. The pedestrian protecting vehicle scriber is suitable for various vehicle collision test processes to serve as an auxiliary tool to carry out pedestrian protecting scribing operation.

The invention discloses an intelligent scoring method and device based on NLP, equipment and a storage medium. The method comprises the steps: acquiring a test question image to be scored; using an optical character recognition mode; identifying the test question image; obtaining identified content, dividing according to a preset statement division mode; performing statement segmentation on the identification content; obtaining each basic statement contained in the identification content; using an N-Gram model, performing content correction on each basic statement; obtaining a target text corresponding to each basic statement; finally, using a natural language semantic recognition mode, performing semantic recognition on each target text, to obtain the target semantics of each target text,and determine the comprehensive score corresponding to the test question image according to the target semantics. Character recognition is carried out through the test question image, test question review is carried out on the recognized characters in a natural language recognition mode, the scoring efficiency is improved, and the labor cost is saved.

The invention discloses a laser marking control method, a laser marking machine and a storage medium and relates to the technical field of lasers. The laser marking control method comprises the steps that corresponding space coordinates of all the objects to be marked are obtained; the marking times of all the objects to be marked are calculated according to the marking paths of the objects to be marked and the marking speeds of laser marking heads; and the heights of the laser marking heads are correspondingly adjusted according to the space coordinates of the objects to be marked so that the focus points of the laser marking heads can be located on the objects to be marked, and the laser marking heads are controlled to conduct the marking works corresponding to the marking times on all the objects to be marked. The process is controlled by software without manual operation, all the marking works are completed by conducting one-time focusing in advance, and the marking efficiency is improved greatly; and meanwhile compared with the prior art, by the adoption of the laser marking control method, the laser marking machine and the storage medium, the lower cost is achieved, and the better practical value is achieved.

The invention provides an electronic scoring method and an electronic scoring device and relates to the technical field of image recognition. The electronic scoring method includes acquiring image information and electronic scanning file of paper answer sheets; segmenting the image information of the paper answer sheets according to the electronic scanning files to obtain image information file of each question type of the paper answer sheets; subjecting the image information file of each question, containing in each question type to recognition processing to obtain recognition result of each question; scoring answer of each question according to the recognition result to obtain scoring results; determining target scoring results according to the scoring result of each question, thereby solving the technical problem of complexity in scoring by conventional scoring methods. The electronic scanning files include description information; the image information file of each question type includes image information of each question belonging to the question type.

The invention discloses a marking device with an automatic clamping and positioning function, which is accurate in positioning and can effectively improve the marking efficiency. The marking device with an automatic clamping and positioning function comprises a printing device, a transmission device is arranged right below the printing device, the transmission device comprises a transmission belt and an automatic clamping and positioning device, the automatic clamping and positioning device comprises inflatable airbags arranged at intervals at sides of the transmission belt, one inflatable airbag located at one side and the corresponding other inflatable airbag located at the other side form a clamp, one inflatable airbag of each clamp is provided with a starting end position sensor, the other inflatable airbag of each clamp is provided with an ending end position sensor, each inflatable airbag is internally provided with a sensing device used for sensing a workpiece, the inflatable airbag is connected with a pneumatic pump, the pneumatic pump is arranged at the side part of the support of the transmission device, and the starting end position sensors, the ending end position sensors and the sensing devices are connected with the controller of the pneumatic pump.

The invention discloses an intelligent paper marking system and method. In an MFP, an answering card customization module, an intelligent paper marking module and a data transmission module are established, wherein the answering card customization module is used for customizing different types of answering cards and then outputting the answering cards, the intelligent paper marking module is used for identifying answers in the different types of answering cards and obtaining scoring points through comparing the answers with standard answers corresponding to stored answering card types; and the data transmission module used for displaying or transmitting total scores of the answering cards. In such a way, paper marking is finished independently, and the paper marking efficiency is improved.

A wooden furniture plate machining device comprises a front fixed seat and a rear fixed seat. Multiple horizontal roller wheels are movably mounted between the two fixed seats. Chain wheels are fixedly mounted at the front end and the rear end of a rotary shaft of each roller wheel. The chain wheels are located on the outer sides of the fixed seats. The multiple chain wheels located on the outer side of the same fixed seat are movably connected through a chain. Vertical supporting rods are fixedly mounted on the two sides of the top face of each fixed seat correspondingly. The top ends of thefour supporting rods are fixedly connected through a horizontal supporting plate. Guide grooves with sections in dovetail shapes are formed in the front end and the rear end of the bottom face of thesupporting plate correspondingly. A guide block is arranged in each guide groove. Nuts are fixedly connected with vertical rods, then first screws rotate, the two vertical rods can oppositely move ormove in the reverse directions, and therefore adjustment can be carried out according to different plate widths, and the use requirements of the different plate widths can be met. A plate is fixed through two fixing plates, the plate can be prevented from moving in the lineation process, and inaccurate lineation is avoided.

The invention relates to a laser marking machine. The laser marking machine comprises a loading mechanism for transferring workpieces to a loading table, a first marking mechanism comprises a first layer, a second marking mechanism erected above the loading table, and an unloading mechanism for shifting marked workpieces from the loading table, wherein the first laser is arranged towards the sidesurface of the loading table for marking the side surfaces of the workpieces on the loading table; and the second laser is arranged towards the top surface of the loading table for marking the top surfaces of the workpieces on the loading table. The laser marking machine is higher in working efficiency.

The invention discloses an automatic marking and detecting device. The automatic marking and detecting device comprises a rack, a laser marking device and a detecting system. One end of the rack is obliquely arranged, and a feeding runner is obliquely arranged at the inclined end of the rack and connected with a conveying belt arranged on the surface of the rack. An accepted product discharging port is formed in the tail end of the conveying belt. An unaccepted product discharging port is formed in one side of the tail end of the conveying belt. The laser marking device is arranged on one side of the feeding runner. A material blocking air cylinder is arranged on one side of the part, below the laser marking device, of the feeding runner. The detecting system is arranged above the conveying belt. A drive air cylinder used for beating unaccepted products into the unaccepted product discharging port is arranged on the part, on the other side of the unaccepted product discharging port, of the conveying belt, and the detecting system is connected with and controls the drive air cylinder. According to the automatic marking and detecting device, marking and unaccepted product detecting are integrated, the detecting system achieves automatic detecting after the products meet the standard, the disqualified marked products are classified out, and full-automatic operation of product marking is achieved. The automatic marking and detecting device is simple in structure and reasonable in design, the automation degree can be effectively improved, the operation intensity of workers is lowered, and the product marking efficiency is improved.

The invention discloses laser marking equipment. The equipment comprises a base, wherein a camera station and a marking station are arranged on the base, a feeding assembly used for driving a printedcircuit board to move is arranged on one side of the camera station, and a discharging assembly used for driving the printed circuit board to move is arranged on one side of the marking station; and the equipment further comprises an adsorption platform assembly used for adsorbing and fixing the printed circuit board, a feeding lifting suction plate assembly and a discharging lifting suction plateassembly, wherein the adsorption platform assembly can move to the camera station and the marking station under driving of a platform driving assembly, the discharging lifting suction plate assemblyis used for transferring the printed circuit board on the adsorption platform assembly to the discharging assembly, and the feeding lifting suction plate assembly is used for transferring the printedcircuit board on the feeding assembly to the adsorption platform assembly. According to the laser marking equipment, the camera station and the marking station are mutually independent and can work atthe same time; and the adsorption platform assembly can quickly and efficiently position boards, and positioning accuracy is guaranteed.