41results about How to "Reduce operation steps" patented technology

The invention discloses an automatic abrasive paper replacing device and method. The automatic abrasive paper replacing device comprises a base and an X-axis guide rail arranged on the base; a Y-axis guide rail is arranged above the X-axis guide rail, and the Y-axis guide rail is provided with Z-axis guide rails; the X-axis guide rail is connected with polishing heads, and the polishing heads are connected with first air cylinders for driving the polishing heads to move forwards and backwards along the X-axis guide rail; the Y-axis guide rail is connected with a motor for driving the Z-axis guide rails to move leftwards and rightwards along the Y-axis guide rail; the Z-axis guide rails are connected with material storage boxes, and the material storage boxes are connected with second air cylinders for driving the material storage boxes to move up and down along the Z-axis guide rails; the material storage boxes contain abrasive paper, and third air cylinders for driving the abrasive paper to move downwards are connected over the material storage boxes; and the bottoms of the side plates of the material storage boxes are connected with abrasive disc shovels for shoveling the abrasive paper. According to the automatic abrasive paper replacing device, the abrasive paper is pasted and torn off automatically, polishing time is saved, and polishing efficiency is improved.

The disclosure provides a target tracking method and apparatus based on human-machine interaction, and a storage medium. According to the method, a to-be-tracked target can be determined through a triggering instruction generated based on a target selection operation of a user without operation learning of multiple continuous frames of images, the acquisition operation of the target is reduced, and the target acquisition efficiency and the tracking efficiency can be improved; the dimension and the scale of a target image in a next frame can be detected based on extracted image characteristicsso that the tracking effect of a rigid target, a target with scale transformation, a target with high-speed motion, and a target which is shielded for a long time can be optimized to a certain extent,and the precision of target tracking is improved; and the effect of the operation efficiency and the target tracking can be guaranteed on general portable devices.

The present disclosure discloses an information processing method for enhancing a display effect of an electronic device. The method includes: displaying a first part of the display interface in a display area, the first part of the display interface including a first part of the background image and P icons and Q folders located on the first part of the background image; obtaining a first manipulation operation on a first folder of the Q folders, a first sub-area of the display interface containing the first folder occupying a first display area of the display area on the display unit; executing a zoom-in instruction according to a predetermined scale in response to the first manipulation operation; displaying the first sub-area in a second display area of the display area, when the zoom-in instruction executed is ended, wherein the second display area is larger than the first display area, and a display effect of the first sub-area being located on the second display area is a zoom-in effect of the first sub-area being located on the first display area. The present disclosure further discloses another information processing method and corresponding electronic devices.

The invention provides a novel CSD constant multiplier algorithm structure for a 256-point FFT processor. The novel CSD constant multiplier algorithm structure comprises the following steps that 1, changing the number of constant values of a rotation factor into 1 / 8 of the original number through symmetry; 2, decomposing the coefficient of the rotation factor into two coefficients by adopting a parameter decomposition method; and step 3, performing CSD representation on the rotation factor constant value in the value range of the coefficient decomposed in the step 2, and performing drawing according to the CSD representation to realize a 256-point FFT complex multiplication operation mode by utilizing the proposed novel CSD constant multiplier connected in series. According to the invention, the hardware resource cost of the designed 256-point FFT processor can be greatly reduced, the power consumption can be well controlled, and the requirements of different industrial occasions can be better met.

The invention discloses a high-pressure heater state data analysis method. The method comprises the following steps: processing high-pressure heater state original data to obtain a training sample ofa high-pressure heater state monitoring model, clustering the training samples of the high-pressure heater state monitoring model by using an FCM clustering method based on a genetic simulated annealing algorithm according to the optimal clustering number to obtain a membership matrix, and obtaining the high-pressure heater state monitoring model according to the membership matrix and the trainingsamples; The method comprises the following steps: firstly, processing original data; obtaining a training sample of the detection model; clustering the training samples of the high-pressure heater state monitoring model by using an FCM clustering method based on a genetic simulated annealing algorithm; According to the FCM clustering method based on the genetic simulated annealing algorithm, thedefect that the FCM clustering method is prone to falling into a local optimal solution can be overcome, the global search capability is enhanced, the uncertainty and inaccuracy of data in equipmentmonitoring can be effectively processed, and therefore the real condition of equipment can be well reflected.

The invention discloses a calculation method of a logic operation device embedded in a memristor array, which utilizes a reverse-connected differential cell structure to realize a complementary inputrepresentation, and utilizes a line OR operation on a bit line of the array to realize a maximum term. The minimum term is obtained by inverting the maximum term of the output of the sensing amplifier; Introducing arithmetic unit CU to complete the merging of the maximum term or the minimum term; The method for buffering the intermediate results generated in the iterative process by using the operation unit CU comprises the following steps of: multiplexing the row buffers in the traditional memory array, and being used for buffering the intermediate results generated in the iterative process.The invention enriches the logic primitive through the introduction of the difference unit structure and the operation unit, enables the circuit to perform the operation in the mode of sum / sum of products, and greatly reduces the write-back operation, thereby effectively improving the operation efficiency.

The invention discloses an access control passing method and system, and a related device. The access control passing method comprises the following steps of: after access control equipment obtains a collected image containing a to-be-recognized face, carrying out face recognition on the collected image to obtain a to-be-recognized face feature value corresponding to the to-be-recognized face; sending the to-be-recognized face feature value to an edge server, so that the edge server obtains a comparison result according to the to-be-recognized face feature value and a preset face feature value in a database; receiving a comparison result returned by the edge server; and outputting information that a to-be-identified person can pass through the access control equipment in response to the comparison result meeting a preset condition, and outputting information that the to-be-identified person cannot pass through the access control equipment in response to the comparison result not meeting the preset condition. Through adopting the access control passing method, the performance loss of the network bandwidth and the edge server can be effectively reduced, the access quantity and the concurrency quantity of the access control equipment are improved, and the door opening time is effectively reduced.

The invention relates to an OCT image-based bifurcated blood vessel automatic identification method. The method comprises the steps of: firstly acquiring an IVOCT image in a guide wire pullback periodby using an optical coherence tomography system and an angiography system; secondly, determining a blood vessel bifurcation and determining a bifurcation position via a detected blood vessel contour;thirdly, displaying the bifurcated blood vessel. According to the embodiments, bifurcation pairs are acquired through multiple times of screening, and then bifurcation determination is performed andfalse positive is removed through a special method, so that the judgment accuracy is improved, bifurcated blood vessels can be detected and marked rapidly and accurately, and the working efficiency isincreased.

The invention discloses a device and a method for detecting an agile coherent target based on an FPGA (Field Programmable Gate Array) and a DSP (Digital Signal Processor). The device comprises an A / D (Analog to Digital) module, an FPGA module, a first DSP module, a second DSP module and a PC (Personal Computer) module. The method comprises the following steps of: (1) preprocessing echo signals containing agile coherent signals by using an FPGA (Field Programmable Gate Array); (2) enabling the FPGA to send an echo signal matrix to a DSP; (3) constructing a two-dimensional dictionary matrix of each DSP module; (4) acquiring target speed and distance information; and (5) performing imaging and displaying the target distance and speed information. According to the invention, the architecture characteristics of the FPGA and the DSP are fully utilized, the parallel execution advantage and the processing speed of the multi-core DSP are exerted, and the accuracy and the signal-to-noise ratio of the agile coherent target detection are improved on the premise that the real-time performance is well met.

The invention discloses a sound wave information decoding method and device, and the method comprises the steps: carrying out the real-time decompression of a to-be-decoded audio quantized compresseddata stream, so as to generate one or more continuous quantized data blocks Zx, respectively selecting n quantized numerical values with the same frequency or the most approximate frequency corresponding to the n bit signal frequencies from each quantized data block Zx, and forming quantized data by the obtained n*x quantized numerical values, carrying out quantized reduction on each piece of quantized data to obtain corresponding energy data, carrying out inverse discrete cosine transform processing on each piece of energy data to obtain amplitude data, and carrying out sound wave signal decoding on the amplitude data to obtain corresponding sound wave data. By utilizing the method and the device, the operation speed of performing acoustic decoding on the audio quantized compressed data stream by the interpretive language can be remarkably improved.

The invention discloses an early warning method for polling fire hazards, and relates to the technical field of potential safety hazard monitoring. The early warning method comprises the steps that an early warning robot moves along an operation path planned in a polling area in advance, and collects gas samples at different positions, wherein a particle size mapping model corresponding to the shading rate and the particle size distribution coefficient of the gas sample constructed based on an atomization core is pre-stored in the early warning robot; according to the gas sample collected at the current position, the early warning robot obtains the shading rate of the gas sample after passing through the atomization core, and inputs the obtained shading rate into the particle size mapping model to obtain the particle size distribution coefficient of the gas sample at the current position; and according to the obtained particle size distribution coefficient, whether a fire hazard exists in the current position or not is judged. According to the invention, the fire hazard is accurately warned, the position of the fire hazard in the inspection area is determined, and the safety of the inspection area is ensured.

The invention discloses a self-adaptive real-time multipath elimination and robust positioning method based on non-Gaussian distribution. The method does not assume the number of satellites with faults or deviations, but modifies the Gaussian distribution assumption of errors in a traditional positioning model, and changes the Gaussian distribution assumption into Gaussian mixture distribution, namely non-Gaussian distribution. Parameters are solved through a maximum likelihood method based on real-time observation data, the probability distribution situation of the fault deviation range of each satellite is calculated in a self-adaptive mode, and the method can be used for recognition and robust positioning under multiple faults and can also be used for robust positioning and multipath elimination under the multipath environment. According to the method, the defects of an existing RAIM and robust positioning method are overcome, an existing fault detection and recognition method at present is large in calculation amount, depends on the prior assumption of the number of faults and is high in misjudgment rate, and the method has the high fault detection success rate, meanwhile, the calculation amount is small, the speed is high, and high precision and robustness are achieved.

The invention discloses a three-dimensional sound wave equation spatial domain forward modeling method and device based on a pseudo-spectral method. The method comprises the steps that: for the specified coordinate direction of a three-dimensional space, a second-order derivation operator in the specified coordinate direction is calculated according to the number of sampling points in the specified coordinate direction and an m-order derivation operator formula, wherein the m-order derivation operator formula is derived according to a forward Fourier transform algorithm and an inverse Fourier transform algorithm, wherein m is greater than or equal to 1; and a spatial partial derivative of the three-dimensional wave equation is determined according to the second-order derivation operator and a spatial wave field, and the spatial partial derivative is taken as a spatial domain forward modeling result of the three-dimensional sound wave equation. According to the method, the calculation amount of a computer can be reduced; and the method is more suitable for GPU parallel calculation, and can improve the calculation efficiency.

The invention discloses a online game device consisting of at least one network server and at least two client sides, wherein the network server is connected with the client sides through a communication network; the network server comprises at least two first interaction device of the server used for interacting with the client sides and operating first data containing player information and player operation information, and the first data comprises a first data unit constituted by the player information and second data units constituted by information obtained by operating game objects in a game through the client sides by the player; and each client side comprises a client-side first interaction device, an imagination device, a display device, an operation device and a controller, wherein each client-side first interaction device is used for interacting with the first interaction device of the network server and new first data containing the operation information of the player, the imagination device is used for generating a game interface and data generation images of the corresponding client side and transmitting the game interface and the data generation images to the display device; the display device is used for displaying the game interface and updating the images generated by the imagination device; the operation device is used for operating the images, displayed by the display device and generated by imagination device, and operating a game in a control manner; and the controller is used for coordinating and controlling all the device and the operation unit of the corresponding client side. By adopting the technical scheme in the invention, the computation amount of the server can be simplified, the stability and the fairness of the game can be enhanced, and the interest of the player in the game can be facilitated.

The invention discloses an autonomous integrity fault detection method for a receiver. The method comprises the following steps of 1, calculating the weight of each satellite participating in positioning at an epoch t, 2, establishing a positioning equation of the epoch t, and solving a positioning result; 3, calculating a standard error of the positioning result, comparing the standard error witha pre-designed positioning error threshold value, if the standard error is lower than the pre-designed positioning error threshold value, indicating that the current positioning is successful, executing step 4, if the standard error is higher than the pre-designed positioning error threshold value, indicating that the current positioning result is unreliable, and ending fault detection at the current epoch t; 4, determining whether each satellite is abnormal or not, completing fault detection of the current epoch t, and executing a step 5; and 5, adding 1 to the value of t, executing 1-4, andperforming fault detection of the next epoch. The method is advantaged in that fault detection is carried out while positioning is carried out, the operation time is greatly reduced, and the influence of a fault satellite on a positioning result is greatly reduced while precision is ensured.

The invention relates to the technical field of panoramic image generation, and in particular relates to a panoramic image splicing device and method suitable for a trailer. The device comprises a direction measuring unit and an image acquisition module; the direction measuring unit comprises a main vehicle connecting mechanism and a hanging rod main shaft; one end of the main vehicle connecting mechanism is mounted on the main vehicle, and the other end is provided with a main shaft mounting seat and a direction measuring ring; the direction measuring ring is positioned right above the main shaft mounting seat; a plurality of groups of far infrared receivers are distributed at the edge of the top of the direction measuring ring in an annular array; one end of the hanging rod main shaft is rotationally connected to the main shaft mounting seat, and the other end of the hanging rod main shaft is provided with a far infrared emitter; and the far infrared transmitter can be in signal connection with any group of far infrared receivers. According to the invention, the operation steps are reduced through the physical movement mode of the direction measuring unit, the occurrence of the blockage of the panoramic image due to the azimuth change is avoided, and the work smoothness is improved.

The invention discloses a personnel wandering behavior monitoring method and system, and the method comprises the steps: collecting a video, carrying out the frame-by-frame analysis of the video, and recognizing pedestrians in each frame of image; judging whether the identified pedestrian is a real pedestrian or not; generating a track of the same target pedestrian in the video acquisition area; gridding the video acquisition area and the pedestrian track, calculating the moving distance of the pedestrian track in each grid in each direction, comparing the moving distance with the maximum value, and counting the direction to which the moving distance maximum value of the pedestrian track in all grids belongs; and whether the pedestrians wander or not is judged by comparing the number of times of occurrence in the directions with the maximum pedestrian trajectory movement distances in all the grids with a threshold value. The method has low requirements on video resolution and definition. The method for judging the number of times of the gridding main motion direction is few in operation steps, simple in process, accurate in result and practical.

The present application discloses a convolutional neural network binarization method and an operation circuit, which solve the problems of low operation efficiency and slow speed in the prior art. A convolutional neural network binarization method, which convolves the convolution kernel and feature map through an AND gate. Accumulate the results of the convolution operation. Normalize the data accumulated by the convolution operation to be between (‑1, +1). The normalized result is binarized into 1 and 0, and the binarized result is kept or inverted. Perform a pooling operation on the maintained or negated result, and output the result of the operation. The invention also provides a convolutional neural network binarization operation circuit based on the binarization method. By using an AND gate to replace the original multiplier and XNOR gate, not only the resource consumption is less, but the calculation speed is also higher. quick.

The invention relates to a one-key barrel removing structure and method of a silica gel feeder. The one-key barrel removing structure comprises a barrel removing button, a main electromagnetic valve,a hand rotating valve, a ball valve, a pressing disc, pressing disc connecting rods, an upper connecting block, a left air cylinder, a right air cylinder and a plurality of pipelines, and a main air source conveys air to an air inlet port of the main electromagnetic valve through the pipeline. The main electromagnetic valve is provided with an air outlet A and an air outlet B, the air outlet A communicates with the hand rotating valve through the pipeline, the air outlet B communicates with the ball valve through the pipeline, the barrel removing button controls the main electromagnetic valveto switch air to be output from the air outlet A or the air outlet B, the ball valve is installed in the pressing disc, the pressing disc is sleeved with a silica gel barrel used for containing silicagel, and the bottom of the pressing disc and the silica gel barrel form a closed cavity. The one-key barrel removing structure and method are reasonable in design, the purpose of quickly and safely lifting the pressing disc to disengage from the silica gel barrel is achieved, the barrel removing speed is increased, the working efficiency is improved, the operation steps of personnel are reduced,the error rate is reduced, and safety accidents caused by errors are avoided.

The invention discloses a fast multi-view image synthesis method. According to parameters of a displaying screen and input image content, correspondences of coordinates of images of all view angles and the coordinate of an original 2D image are retroactively calculated through the coordinate of the image of final view angle needed to the produced. The method can omit useless calculation steps, thereby sharply lowering memory requirement and central processing unit (CPU) calculation burden required by image operation; according to experiment results, the CPU calculation burden of a computer adopting the method can be reduced by 30%-35%, and the memory requirement can be lowered by 59-63%.

The invention provides a bearing fault diagnosis method in a transmission part of a mine hoist, and the method comprises the steps: collecting vibration signals of a bearing in a normal state and a fault state through a vibration acceleration sensor, and converting the collected analog signals into digital signals; and then adopting an ensemble empirical mode decomposition sample entropy feature extraction method for the digital signals to obtain information entropies H(Xi) and Hf1(Xi) of the bearing in a normal state and a fault state, and comparing the H(Xi) with the Hf1(Xi) so as to diagnose the fault of the bearing. According to the vibration acceleration sensor, data are extracted from collected related digital signals by adopting an ensemble empirical mode decomposition method, EEMD decomposition is carried out to obtain a data residual ri of actual output and expected output of the sensor, corresponding information entropies are calculated through the residual ri, fault diagnosis of a rolling bearing can be realized through comparison of the information entropies, and then the reliability and the safety of the whole transmission part of the mine hoist are improved.

The invention discloses a fixed fire extinguisher cabinet capable of conveniently replacing a fire extinguisher. The fixed fire extinguisher cabinet comprises a fire extinguisher cabinet body, wherein two cabinet door connecting blocks are arranged on the front surface of the fire extinguisher cabinet body; a movable cabinet door is movably arranged between the two cabinet door connecting blocks; rope fixing blocks are arranged on the upper surface and the lower surface of the movable cabinet door; and the two rope fixing blocks are located on the same center line. By arranging a fire extinguisher protection mechanism and a mounting driving mechanism, the fire extinguisher can be quickly replaced, the operation is simple, only the fire extinguisher cabinet needs to be opened and closed, other steps are not needed, the operation steps are effectively reduced, and the working efficiency is improved.