382results about How to "Good auxiliary effect" patented technology

The invention discloses a method for automatically tagging animation scenes for matching through comprehensively utilizing an overall color feature and local invariant features, which aims to improve the tagging accuracy and tagging speed of animation scenes through comprehensively utilizing overall color features and color-invariant-based local invariant features. The technical scheme is as follows: preprocessing a target image (namely, an image to be tagged), calculating an overall color similarity between the target image and images in an animation scene image library, and carrying out color feature filtering on the obtained result; after color feature filtering, extracting a matching image result and the colored scale invariant feature transform (CSIFT) feature of the target image, and calculating an overall color similarity and local color similarities between the matching image result and the CSIFT feature; fusing the overall color similarity and the local color similarities so as to obtain a final total similarity; and carrying out text processing and combination on the tagging information of the images in the matching result so as to obtain the final tagging information of the target image. By using the method provided by the invention, the matching accuracy and matching speed of an animation scene can be improved.

The invention provides a vehicle braking auxiliary device based on aerodynamics. The vehicle braking auxiliary device based on aerodynamics comprises an ECU (electronic control unit), at least two link mechanisms, a fixed shaft, a front spoiler, a rear spoiler, at least two step motors, at least three hydraulic cylinders, a vehicular speed sensor, a turning angle sensor, at least two position sensors and at least three pressure sensors. The vehicular speed sensor, the turning angle sensor, the position sensors and the pressure sensors are all connected with an input end of the ECU, each step motor and each hydraulic cylinder are connected with an output end of the ECU, one end of each link mechanism is correspondingly connected with an output shaft of one of the step motors while the other end of each link mechanism is in transmission connection with the rear side of the front spoiler, the front spoiler is capable of rotating around the fixed shaft which is arranged on the front side of the front spoiler, and a piston rod of each hydraulic cylinder is connected with the rear spoiler. The vehicle braking auxiliary device based on aerodynamics is capable of instantly reducing vehicular speed to some extent and increasing ground adhesion of a vehicle to enable the vehicle to keep stable in high-speed emergency braking, braking distance can be shortened, and safety is improved.

The invention discloses an auxiliary light-weight integrated multi-freedom-degree lower limb exoskeleton and relates to the field of bionic wearable exoskeleton robots. The auxiliary light-weight integrated multi-freedom-degree lower limb exoskeleton comprises a back mounting board, a waist connection part, a hip bionic structure, a hip joint, a thigh bionic structure, a knee joint, a crus bionic structure, an ankle joint and a foot bionic structure; the ankle joint is arranged at the edge of the upper surface of the foot bionic structure; the crus bionic structure is fixedly connected with the foot bionic structure; the thigh bionic structure is installed on the knee joint at the top of the crus bionic structure; the hip joint is fixedly installed at the upper end of the thigh bionic structure; the hip bionic structure is fixedly installed at the upper end of the hip joint; the waist connection part is fixedly connected with the hip bionic structure; and the back mounting board is vertically and fixedly connected with the waist connection part. Through integration of freedom of degrees of all joints, an active joint drive structure is added, the light-weight structure form enhances the man-machine safety and wearing comfort under the condition of meeting the load requirements, and the auxiliary effect of the exoskeleton is improved.

The invention relates to a method for decoding coding mark points of a measuring stick based on skeleton extraction. The method comprises the following steps: segmenting an image by an self-adaptive threshold method and extracting foreground regions which comprise non-coding mark point regions; eliminating a noise region by utilizing the area of each foreground region to acquire a region to be extracted; performing local sub-pixel edge extraction on the region to be extracted in the original image and then positioning an oval outline; fitting an oval by oval outline points, extracting a coding mark point region and intercepting an image of the coding mark point region; performing inverse affine on the oval in the image to enable the oval to become a circle, so as to acquire a image to be decoded; performing partial differential processing and extracting the skeleton of a coding ring region; decoding the coding mark points and performing rotate right on 10 binary codes, wherein the minimal decimal value is the coding mark point decoding value; performing one-to-one correspondence on determined feature point codes on the measuring stick of left and right images, namely matching point pair. The method has the advantages that the defect that three-dimensional matching calculation is complex in the traditional algorithm is overcome, the matching precision is improved, and the important application value is achieved in the field of binocular vision three-dimensional measurement.

The invention relates to a wireless sensor network node positioning method based on time reversal, comprising the steps of: 1, sending a request impact signal to a reference node by an unknown node and recording initial time; 2, receiving and reversing by the reference node and sending a reversal multi-path request impact signal to the unknown node; 3, receiving a focusing-arrived reversal multi-path request impact signal by the unknown node and recording receiving time at the moment; 4, calculating the distance away from the reference node by the unknown node according to the initial time and the receiving time; 5, repeating the step 1 to the step 4 until the distances from the unknown node to any three reference nodes are calculated; and 6, calculating coordinates of the unknown node according to the distances from the unknown node to any three reference nodes to complete the positioning of the unknown node. The invention has the benefits of solving the problem of large traditional TOA (Time Of Arrival) positioning errors under a complex environment and ensuring that the system positioning error is less than the working wavelength.

The present invention discloses an anti-sagging spraying primer coat, which comprises, by weight, 10-25% of a two functionality aliphatic polyurethane acrylate, 20-30% of a modified epoxy acrylate, 10-20% of a polyester acrylate, 10-15% of a monomer, 25-30% of a filler, 3-5% of a photoinitiator, 0.5-2% of an anti-sagging additive, 0.2-0.5% of an anti-foaming agent, and 0.1-0.3% of a leveling agent. With application of the UV paint as the spraying primer coat, the problem of sagging during a coating process can be avoided, the whole coating efficiency can be improved, the environment-friendly characteristic is provided, and the organic solvent emission can be reduced.

The invention discloses a traffic flow microscopic simulation method based on car following behavior, which adopts a novel cellular automaton model to perform traffic flow microscopic simulation, and comprises the following steps: 1) start setting; 2) beginning to update from the first updating car a; 3) updating the state of the car i; 4) updating the front driving space of the car at the back; 5) acquiring simulation data; and 6) judging the simulation ending conditions. The model adopted by the method adopts a small cellular size; the car characteristics and the driving behavior can be finely adjusted according to the adjusting parameters, so as to facilitate the traffic flow simulations under different conditions. The simulated flow of the model is well matched with the actual measured data, and can describe the meta-stable state and the hysteresis phenomenon of the traffic system.

The invention discloses an audio scene recognition method based on acoustic events, which comprises the steps as follows: Step I, conducting audio division on an audio stream to be subjected to audio scene recognition, Step II, classifying audio frames included in audio scene segments with an acoustic event model and obtaining a probability relationship among the audio frames and acoustic event classes, Step III, obtaining a probability relationship among the audio scene segments and the acoustic event classes according to the information of all the audio frames included in the audio scene segments, and Step IV, determining main acoustic events included in the audio scene segments and determining semantic scenes of the audio scene segments. The method judges the main acoustic events more reasonably and accurately, so that the recognition accuracy rate of the semantic scenes can be increased, and the method is good in generalization performance, provides good assistance to the video scene recognition, and increases the accuracy rate of the video scene recognition.

The invention relates to a manufacturing method of bamboo fiber and particularly relates to a method for directly producing raw bamboo fiber from raw bamboos. The method sequentially comprises the following steps of: selecting materials, flattening, softening, opening, performing steam boiling, acid cleaning, dipping flame-retardant treatment and bamboo vinegar treatment and drying, wherein the softening adopts microwave softening, the bamboo material after flattening is soaked in softening liquor, then the bamboo material dipped with the softening liquor is sent into a microwave vacuum tank, and microwave softening treatment is further performed; the dipping flame-retardant treatment adopts vacuum pressurization flame-retardant treatment, during the treatment process, bamboo filament-like fiber obtained after opening is firstly arranged into a vacuum pressurization tank, vacuum-pumping operation is performed to enable the vacuum degree to be minus 0.015MPa-minus 0.025MPa, and then a flame retardant is added into the tank to increase the pressure in the tank to be 0.1MPa-0.8MPa; and the bamboo vinegar treatment comprises primary bamboo vinegar treatment and secondary bamboo vinegar treatment. The manufacturing method disclosed by the invention has the advantages of simplicity and convenience in production and short treatment time, and the produced bamboo fiber has a flame-retardant effect.

The invention provides a statistical evaluation method for intermediate data of paroxysmal conditions of children's absence epilepsy. The method employs easy wearable electroencephalogram electrodes and wristbands that are easy to be accepted by children because the electroencephalogram electrodes and the wristbands are of concealment and are convenient to be worn by the children. In the method, not only the electroencephalogram is used for analyzing the paroxysm of the epilepsy, but also wireless motion nodes are introduced in combination with the children's features to more precisely detect the paroxysmal process and the paroxysmal number. Without affecting the children's daily activities or hurting the children patient, the system is suitable to be worn at home and applicable to a long-term measurement. The objectivity is better when wearing the system for a longer period. By this method, the daily paroxysmal information of the children patient can be statistically accumulated, thereby providing an auxiliary basis for the family members to understand the illness condition as well as for the doctors to further understand the illness condition, due to the fact that whether the statistic of the paroxysmal number is accurate also provides a great reference to the therapeutic process of the children patient.

The invention provides a storage box recognition and positioning method based on contour features. The method comprises the following steps: (1) collecting a color image and a depth image of box goods; (2) performing foreground segmentation on the color image and the depth image, mapping depth blocks to the color image, marking color region blocks falling into the same depth block, and combining the color region blocks to serve as a final box cargo foreground image; (3) performing linear edge detection on the foreground image of the box cargo, and connecting edges by taking a rectangle as an outline target to obtain a candidate target closed outline; (4) selecting the target meeting the predetermined box body rectangular characteristics from the candidate target closed contours to obtain abox body identification result. The method performs identification and positioning of the box goods based on the depth image and the color image, improves the calculation efficiency, has the advantages of low cost and high real-time performance, and is suitable for identification and positioning of the box goods in complex environments such as factory warehouses.

The invention provides a stirring device in a rolling production line. By adopting the stirring device, the technical problems of a high-speed stirring machine in current complete equipment that the structure is too simple; materials cannot be fully mixed; the stirring effect is poor; and the like are solved. According to the stirring device in the rolling production line, the rolling production line comprises a rack; the stirring device comprises a stirring bucket with an opening at the upper part; the stirring bucked is fixed on the rack; the bottom of the stirring bucket is provided with an output opening; a separation plate which can divide the stirring bucket into an upper stirring part and a lower stirring part is arranged in the stirring bucket; the separation plate is provided with a connection pipe which communicates the upper stirring part with the lower stirring part; a solenoid valve is arranged in the connection pipe; the separation plate is further connected with a lifting mechanism which can drive the separation plate to lift vertically; and the rack is provided with a material conveying mechanism I which can convey solid materials to the upper stirring part and a material conveying mechanism II which conveys liquid materials. The stirring device has the advantage that the stirring effect is good.

The invention discloses a locating model generation method, a method for performing skeleton locating on a spinal sagittal image, and a computing device used for executing the methods. The locating model generation method comprises the steps of obtaining the tagged spinal sagittal image to serve as a training image, wherein the training image has corresponding tagged data; inputting the training sample to a pre-trained locating model for performing processing, wherein the locating model comprises a convolution processing layer, a classification processing layer and a regression processing layer, the convolution processing layer performs convolution, activation and pooling processing on the input image to output at least one located skeleton, and the classification processing layer and theregression processing layer perform classification processing and regression processing on the located skeleton respectively to output a probability of predicting that the skeleton belongs to sacrum and a predicted position of the skeleton; and according to the tagged data, performing model training on the pre-trained locating model to obtain a trained locating model.

The invention discloses a mold for inflating, filling and forming of a full-dry optical-cable loose tube. The mold comprises a plastic extruding mold, a fiber guide tube, an inflating support and an air source mechanism, wherein the inflating support sleeves the fiber guide tube so as to form a sealed cavity, and air guide holes and an air inlet are dissymmetrically formed in the fiber guide tube and the inflating support; filtration and graded depressurization are performed twice on compressed air when the compressed air sequentially passes through a filter device and a pressure regulating device, the depressurized air enters the fiber guide tube through the air guide holes, the air, water blocking yarn and optical fibers are uniformly and stably injected in a formed loose tube through the fiber guide tube so as to form a full-dry optical-fiber loose tube through plastic extruding. The mold disclosed by the invention is simple in structure, the after shrinkage of the loose tube is small, and the fiber excess length is stable and controllable.

The invention provides a grid voltage monitoring and prediction system and method based on a geographic information system and belongs to the field of grid voltage monitoring technologies. The system comprises a basic information setting module, a map service module and a voltage monitoring and prediction module. The method includes the steps that monitoring data are preprocessed according to historical voltage data of a monitored object and current voltage monitor running status parameters; a voltage prediction model is established; according to the voltage prediction model, the voltage change trend of a monitoring point within future requested time is predicted, if the prediction result exceeds the upper limit range and the lower limit range of voltage of the monitoring point, an alarm prompt is displayed at the position, on a map view, of the monitoring point, and the alarm prompt is also displayed at a corresponding position of a thematic layer where a monitoring point administrative department to which the monitoring point belongs is located. Mapping of grid voltage monitoring and visualization of operating data are achieved, effective early warning is provided for grid voltage abnormities, and grid equipment can be conveniently adjusted, overhauled and scheduled before the abnormities occur.

The invention relates to a region-of-interest classification method and device, computer equipment and a storage medium. The method comprises the following steps of: acquiring a to-be-classified cardiac coronary artery image; inputting the cardiac coronary artery image into an image segmentation model to obtain a segmented image of the coronary artery in the cardiac coronary artery image; determining a region of interest in the coronary artery based on the segmented image of the coronary artery; and for a region image corresponding to the region of interest, determining a classification resultof the region of interest; wherein the classification result is used for representing the focus type and severity of the region of interest. Because the computer equipment can display the marking result and the classification result of the region of interest to a doctor for checking, the corresponding medical image is displayed, so that a better auxiliary effect can be provided in the diagnosis process of the doctor; and the classification result represents the focus type and severity of the region of interest, so that more effective focus information can be provided when a doctor is assisted, and the doctor can give a more accurate diagnosis result.

The invention discloses environment-friendly printing wastewater treatment equipment. The equipment comprises a treatment tank, a collecting box, a first cleaning scraper blade, a second cleaning scraper blade and a cleaning scraper blade auxiliary mechanism, by arranging the first cleaning scraper blade and a collecting box, flocculent impurities on the surface of the wastewater in the treatmenttank can be well removed, and can be well collected for centralized treatment, so that waste of wastewater material resources is avoided, and the working efficiency of wastewater treatment is improved; in the process, an intercepting filter screen is driven by a telescopic rod to move upwards, the flocculent impurities in the wastewater can be separated out to the maximum extent, then the workingquality of a wastewater pool is guaranteed, the working economic benefits are guaranteed, a good auxiliary effect is achieved on the first cleaning scraper blade for scraping the flocculent impuritieson the intercepting filter screen, one-time cleaning is more sufficient, therefore, workload is reduced, and working efficiency is improved.

The invention relates to yin-nourishing and yang-tonifying health-care wine and a preparation method thereof. The health-care wine comprises Chinese caterpillar fungus, red lucid ganoderma, Chinese angelica, medlar, emblic leafflower fruit, var. albescens DC. seed and stevia rebaudiana serving as active ingredients. The preparation method comprises the following steps of: heating each medicine tothe temperature of between 50 and 70 DEG C by using 60-degree corn wine in a weight ratio of 1:20, keeping for 3 to 5 hours, soaking at normal temperature for 10 to 15 days in a sealed mode, filtering a soak solution to obtain Chinese caterpillar fungus wine, red lucid ganoderma wine, Chinese angelica wine, medlar wine, emblic leafflower fruit wine, var. albescens DC. seed wine and stevia rebaudiana wine respectively, and mixing to obtain raw yin-nourishing and yang-tonifying health-care wine; and blending the raw yin-nourishing and yang-tonifying health-care wine with distilled water to obtain finished yin-nourishing and yang-tonifying health-care wine with the alcohol content of 35 to 45 degrees. 20 to 50ml of wine is generally drunk before sleep every day, and the effects of nourishingyin, tonifying yang and supplementing proteins, various vitamins, trace elements and amino acids which are necessary to human bodies can be achieved; and the wine has a good auxiliary effect of normally secreting male and female sex hormones and a sleep promoting effect.

The invention relates to a process for extracting curcumin through an ultrasonic-aqueous two-phase synergy. The process comprises the following steps of pulverizing curcuma, degreasing, carrying out ultrasonic extraction on curcumin with 75% ethanol to obtain an extract, adding an aqueous solution of ammonium sulfate into the extract, uniformly stirring, standing until an alcohol phase is separated from an aqueous phase in a balanced way, separating the alcohol phase, drying the alcohol phase at 45-50 DEG C to constant weight, dissolving the dried product in 75% ethanol to obtain a solution, enabling the solution to pass through macroporous resin, eluting with 75% ethanol, collecting and drying to obtain preliminarily purified curcumin. According to the process disclosed by the invention, by combining the ultrasonic extraction technology and aqueous two-phase extraction technology and adopting the extraction principle that effective substances are fully dissolved in an organic solvent, the extraction rate is greatly increased, on the basis that respective advantages of the ultrasonic extraction technology and the aqueous two-phase extraction technology are given into a play, the mutual synergistic effect of the ultrasonic extraction technology and the aqueous two-phase extraction technology is achieved and thus the extraction rate of curcumin reaches 18%.

The invention provides an indoor positioning navigation method and system for visually impaired people. A user terminal executes the following steps: receiving of environment data: the environment data collected by an environment detecting unit is received; sending of a two-dimensional layout map request: the request for giving the two-dimensional layout map of a building is sent to a server; positioning: a current position of a user is calculated based on the two-dimensional layout map in combination with movement data of the user; navigation: an optimal route is calculated with a route planning algorithm in combination with the current position and the destination of the user, voice navigation is performed for the user, and during voice navigation, when the environment detecting unit detects an obstacle, obstacle data information sent by the environment detecting unit is received, and voice prompts the user to bypass the obstacle. The indoor positioning navigation method and system have the beneficial effects of being suitable for all kinds of user groups, particularly have a quite good assisting effect on the visually impaired population, and is worth applying and popularizing.

The invention provides a flex banner and a processing technology thereof and solves the technical problems that the conventional flex banner has simple composition and single function and does not have anti-oxidation, water-proof and flame-retardant characteristics as well as a processing technology and the like. The flex banner comprises three layers, wherein the upper layer and the lower layer are PVC (polyvinyl chloride) films, and the middle layer is mesh cloth, wherein each PVC film is prepared from components in parts by weight as follows: 80-90 parts of PVC resin, 10-18 parts of epoxy resin, 10-16 parts of calcium carbonate, 15-35 parts of a plasticizer, 3-9 parts of an antioxidant, 5-10 parts of butyltin dilaurate, 1-3 parts of a flame retardant and 3-6 parts of a liquid stabilizer. The processing technology of the flex banner is also provided. The flex banner has the advantage of high universality.