139results about How to "Accurate separation" patented technology

The invention relates to a road infrastructure full-automatic inspection method, device and equipment based on an unmanned aerial vehicle group, and a medium thereof. The method aims at the problem that disease characteristics collected by unmanned aerial vehicles in traffic flow and vegetation shielding scenes are broken, and the method comprises the following steps of: decoupling texture and motion characteristics of a dynamic shielding area; feature maps of the effective area and the shielding area are separated; performing cross-frame splicing and continuous repair on the fracture features by using an optical flow constraint generation network, and reconstructing the geometric integrity of a shielded region; infrared data are fused to correct thermal deformation errors, and a high-precision continuous curved surface model is generated; and finally, based on a disease quantitative feature vector matching maintenance strategy, realizing full-process automation from data acquisition to decision output. According to the method, the continuous modeling precision and the maintenance decision reliability of pavement disease detection in the shielded environment are remarkably improved.

The invention discloses a homeland space planning data intelligent analysis method based on big data, and relates to the technical field of homeland space planning, and the method comprises the steps: collecting multi-source data, carrying out the quality screening, and forming a standardized data set. And setting a space element extraction rule based on a specific planning target, and mining key space elements from the standardized data. Constructing a big data analysis model, inputting key elements to calculate and obtain a spatial development tendency index, and generating a preliminary planning scheme according to the spatial development tendency index; and performing compliance verification on the scheme, generating evaluation data, and adjusting the scheme according to the evaluation data. And finally, performing space efficiency deduction calculation on the adjusted scheme, optimizing the scheme according to deduction result data, and outputting a final planning scheme. According to the method, the accuracy of data mining is improved through target-driven element extraction, and the perspectiveness and scientificity of a planning scheme are enhanced through dynamic efficiency simulation.

The invention discloses an image generation method and device, electronic equipment and a storage medium, and belongs to the technical field of electronic equipment.The method comprises the steps that a motion vector field is calculated based on a video sequence; wherein the motion vector field comprises pixel-level motion information of each image frame in the video sequence; generating a dynamic region mask based on the amplitude information of the motion vector field; wherein the dynamic region mask is used for identifying dynamic pixels and static pixels in the video sequence; determining a static background and at least one dynamic element from the video sequence based on the dynamic region mask; and performing synthesis processing on the dynamic element and the static background to generate a dynamic low-light image.

The utility model provides a kind of for coke coal pre-arrangement gangue intelligent dry method sorting equipment, it belongs to coal sorting technical field, wherein upper layer X-ray generator, upper layer beating device, lower layer X-ray generator and lower layer beating device are all installed on equipment rack, unified dust collector and control terminal are equipped;Upper layer X-ray receiver and lower layer X-ray receiver are respectively arranged in the inner cavity of upper layer sorting conveying device and lower layer sorting conveying device;Upper layer sorting conveying device and lower layer sorting conveying device all include transmission belt, transmission roller and driving motor, transmission roller is fixedly connected in the inner cavity of equipment rack by bearing.Compared with traditional single-layer photoelectric sorting equipment, the utility model uses upper and lower double-layer sorting structure, a single device can process two layers of coal simultaneously, greatly improves the processing capacity of coal, when facing a large number of coal sorting tasks, multiple devices do not need to be used simultaneously, saves sorting time, improves overall production efficiency.

This invention discloses an underwater acoustic anti-interference transmission method and system based on sparse time-frequency feature mapping. The method includes: at the transmitting end, adaptively generating a fractional-order linear frequency-modulated waveform with a specific time-frequency shear slope based on the Doppler state of the underwater acoustic channel, achieving physical-layer focusing of transmitted energy; at the receiving end, constructing a hybrid observation model containing wide-block sparse channel components and narrow-block sparse burst noise components, and using a dual-channel variational Bayesian algorithm to jointly iteratively infer the posterior probability distribution of environmental burst noise in the fractional-order domain; finally, recovering the original signal through soft-threshold interference cancellation and fractional-order channel equalization. This invention effectively solves the communication failure problem caused by high-dynamic Doppler diffusion and marine biological impulse noise interference in underwater acoustics by actively mapping the waveform and using heterogeneous sparse joint inference at the receiving end, significantly improving transmission reliability in harsh underwater acoustic environments.

The invention provides a wall recognition method and a storage medium, and the method comprises the steps: dividing an indoor building region and a peripheral region, and processing the proportional scale information and wall feature information, so as to achieve the precise separation of the indoor building region and a peripheral irrelevant region, and prevent the interference information of the peripheral region from affecting the wall recognition process; automatic and accurate acquisition of the scale is realized by using natural reference scale features generally contained in a peripheral area, and extra manual labeling or intervention is not needed; vectorization data and thickness parameters of the wall are extracted in a targeted mode, and the integrity and accuracy of wall feature information are ensured; according to the method, the identification result of the wall is jointly determined based on the proportional scale information, the vectorized data and the thickness parameters, so that fusion application of multi-dimensional key information is realized, dimensions, forms and physical attributes required by wall identification are comprehensively covered, and the identification reliability in a complex environment is improved.

The utility model relates to the technical field of coal mine discloses a coal -washing equipment for coal mine, including motor no.

This invention provides a device for recovering valuable metals from molten slag, comprising a vacuum distillation furnace. The vacuum distillation furnace contains graphite discs for condensation and a heating coil for temperature control. A discharge pipe is located at the bottom of the vacuum distillation furnace. The vacuum distillation furnace includes multiple vertically arranged temperature control zones. Multiple sets of graphite discs are arranged vertically, with a condensation zone formed between adjacent discs. Through holes are formed on the surface of each graphite disc to connect adjacent condensation zones. This invention enables molten slag to undergo multiple condensation separations with a single heating process, significantly shortening the metal separation cycle.

The utility model relates to the technical field of blood disease patient transplantation, and disclose a foot bath bag of paronychia, including waterproof bag, the inside of waterproof bag is equipped with soft glue frame, the top of waterproof bag is fixedly connected with additional belt, the outer wall of additional belt is sleeved with restraint band, the inside of restraint band is inserted with winding rope, the outer wall of winding rope is connected with adjusting block, the bottom of waterproof bag is connected with fixing frame. The foot bath bag of paronychy, through the cooperation setting of waterproof bag, soft glue frame and additional belt, can effectively contain iodine foot bath liquid, strictly prevent iodine liquid leakage, reduce the cleaning trouble and cross infection risk caused by liquid leakage, can accurately separate and position the patient's toes, whether it is big toe or little toe can be properly settled, ensure that iodine liquid can fully and evenly contact paronychia sick part, maximize the disinfection and treatment effect of iodine, promote the relief and recovery of paronychia symptom.

The utility model belongs to building construction technical field especially for a kind of replaceable building pipeline pre-burying positioning slot structure, including strip board, support adjusting component, sliding seat, transverse position adjusting component, two slot positioning frames, two hollow shafts, open-close adjusting component and quick-release fixing component;The support adjusting component is set on strip board and is close to the position of both ends, the sliding seat is slidably installed on strip board, the transverse position adjusting component is set on the top side of strip board and is connected with sliding seat.The utility model design is reasonable, easy to operate, can realize the quick adjustment and accurate fixing of pipeline pre-burying positioning, can flexibly adjust the space position of slot positioning frame according to actual construction demand simultaneously, greatly improves construction efficiency, and using the mode of modular design makes each component can be replaced and maintained separately, reduces use cost, especially suitable for the complex building scene needing frequent adjustment pipeline direction.

The utility model relates to the technical field of new energy automobile production equipment, in particular to a waste treatment device for new energy automobile battery production, which comprises a sorting treatment box and a negative pressure suction pump, and two obliquely-arranged second conveying rollers are rotationally connected to the positions, located below the first conveying rollers, in the sorting treatment box, a second conveying belt of a strong magnetic structure is in transmission connection between the exteriors of the two second conveying rollers, and a sorting baffle used in cooperation with the diaphragm discharging groove and the plastic discharging groove is fixedly connected to the interior of the sorting treatment box. The waste material sorting device has the advantages that battery waste materials generated in production are collected through the negative pressure suction pump, comprehensive collection of the waste materials is achieved, then different types of waste materials can be accurately separated through the sorting unit composed of the first conveying belt, the second conveying belt and the sorting baffle in a matched mode, the waste material sorting efficiency and accuracy are improved, and the production cost is reduced. And a foundation is laid for subsequent treatment and resource recovery.

The utility model relates to stem cell collection technical field, concretely disclose a kind of collection device for subtotipotent stem cell, including filter cartridge, the bottom of filter cartridge is fixedly installed with closure, the top of filter cartridge is fixedly installed with input pipe, the bottom of filter cartridge is fixedly installed with discharge pipe, the outside of discharge pipe is provided with sterile collection bottle, the inside of filter cartridge is provided with filter assembly, the top of input pipe is provided with fixed dismounting assembly, the top of fixed dismounting assembly is provided with connecting pipe, the top of connecting pipe is fixedly installed with collection bag, this is used for the collection device of subtotipotent stem cell, flange bolt connection and pipe clamp sealing design are used in fixed dismounting assembly, both through rigid connection ensure pipeline stable, and sterile environment is formed using sealing washer to prevent pollution, and support quick dismounting replacement collection bag, and give consideration to sealing property, convenience and reuse requirement.

The embodiment of the present disclosure relates to a kind of parking lot point cloud feature extraction method, device, equipment and medium, wherein, method includes: obtaining the point cloud data and image of parking lot;From the point cloud data, the point cloud data of parking line is extracted, and the parking number is extracted from the image;According to the relative position relationship between the three-dimensional points contained in the point cloud data of parking line, the point cloud data of single parking line is separated from the point cloud data of parking line;According to the distance between parking number and single parking line in three-dimensional space, the parking number with the distance less than preset distance from single parking line is assigned to the point cloud data of single parking line.The scheme provided in the embodiment of the present disclosure can improve the distinguishability of parking line point cloud data, and provide accurate and reliable data basis for parking lot high-precision map mapping.

The invention belongs to the technical field of construction waste sorting and recycling, and particularly discloses a construction waste particle sorting device which comprises a mounting box, one side of the mounting box is fixedly connected with a first discharging shell, and the other side of the mounting box is fixedly connected with a second discharging shell communicating with the first discharging shell. And the top of the mounting box is fixedly connected with a third discharge shell. By arranging the separation mechanism, the three functions of particle size screening, wind power sorting and magnetic separation impurity removal are organically combined in the same device, and the technical problems that traditional sorting equipment is single in function and needs multi-machine linkage are solved; according to the technical scheme, adsorption separation of metal substances, wind separation of light materials and screening classification of aggregates with different particle sizes are sequentially completed, finally, metal materials, light sundries and heavy aggregates are output through three independent discharging channels correspondingly, efficient fine separation of construction waste is achieved, and the purity and the additional value of recycling products are remarkably improved.

This invention discloses a method for detecting the aging state of asphalt pavement by integrating hyperspectral imagery and deep learning, relating to the field of deep learning technology. The method includes: acquiring and preprocessing hyperspectral images of the target road section to obtain surface reflectance images; dynamically identifying and masking vehicles and their shadows in the images using a spectral angle matching method to extract effective pixel spectral datasets; performing hybrid pixel decomposition on the effective pixel spectral datasets using a non-negative matrix factorization algorithm to obtain asphalt endmember spectra and aggregate endmember abundance maps; inputting the asphalt endmember spectra into a pre-trained oxidation degree assessment model to output asphalt oxidation degree values; overlaying the aggregate endmember abundance map with near-infrared band images and inputting it into a pre-trained exposure rate segmentation network to output a binary mask of aggregate exposure areas and calculate the aggregate exposure rate. This method solves the technical problem that existing technologies cannot quickly and non-destructively detect the aging state of asphalt pavement.

This disclosure pertains to the field of exploration geophysics and presents a method and system for combined active and passive source reverse time migration imaging of metallic minerals. The method includes: performing time difference correction on active and passive source seismic data from the same subsurface structure; performing wavefield separation on the time-aligned active and passive source seismic data to reconstruct the P-wave and S-wave fields of the active source and the passive source; performing active and passive source wavefield extrapolation based on the two-way wave equation; obtaining active and passive source PS-converted wave imaging results using cross-correlation imaging conditions; and performing weighted superposition and fusion to obtain the combined active and passive source imaging results. This disclosure leverages the high resolution advantage of active sources combined with the deep detection capability of passive sources, replacing the limitations of single-source detection and achieving high-precision deep reverse time migration imaging.

The utility model discloses a finished product storage device for aluminum profile processing, which belongs to the technical field of aluminum profile production, processing and storage, and adopts the technical scheme that the finished product storage device comprises a shell, a plurality of groups of placing assemblies are arranged in the shell, and partition assemblies are arranged in the placing assemblies. The silica gel drying block can fully permeate into the placing box under the moisture absorption effect to continuously absorb moisture in the air, so that the aluminum profile placed in the placing box is prevented from being oxidized and rusted due to damp, and a dry and stable storage environment can be provided for the aluminum profile; and the separation assembly can quickly adjust the position of each separation plate according to the size of the aluminum profile, and ensures that the separation plates are stable and do not move in the using process, so that the aluminum profiles of different specifications can be accurately separated, disordered stacking is avoided, the efficiency of taking and placing the profiles by workers can be improved, and the practicability and reliability of the device are remarkably enhanced.

The invention relates to a method and a system for removing a bed image of a CT (Computed Tomography) image and application, and the method sequentially comprises the following steps: obtaining a continuous CT image sequence of a patient, and constructing three-dimensional body data; carrying out projection analysis on the three-dimensional body data along the z-axis direction, and respectively calculating to obtain a maximum value projection image and a minimum value projection image; performing first threshold segmentation based on the minimum projection image to generate a first mask; performing second threshold segmentation based on the maximum projection image to generate a second mask; and based on the first mask and the second mask, generating an accurate bed area mask which does not contain human tissues. According to the method, the maximum projection (reflecting the upper limit of the tissue) and the minimum projection (reflecting the characteristics of the bed) are fused, so that the segmentation ambiguity of a single threshold value method in an overlapped CT value interval is overcome, and the accurate separation of the bed and the human tissue is realized.

The utility model discloses a raw material cleaning device of feed processing, including bottom support frame, the bottom support frame top fixedly connected with the fender, fender one side fixedly connected with the controller, fender top fixedly connected with the baffle, and the bottom support frame top fixedly connected with four electric telescopic link, and the collection bucket top fixedly connected with the collection bucket, and the collection bucket passes through the baffle, and the baffle top fixedly connected with the shaking mechanism, and the shaking mechanism inside fixedly connected with the mixing drum, and the mixing drum bottom fixedly connected with the filter mechanism, and the mixing drum one side fixedly connected with the inlet, and the mixing drum top fixedly connected with the top plate, and the top plate top fixedly connected with the mixing mechanism, and the mixing mechanism passes through the top plate, and the mixing drum inside swing joint has the mixing mechanism, the utility model discloses can orderly complete the input of feed raw material, mix and wash, solid -liquid separation and filter dry etc. steps, improve the efficiency of feed raw material cleaning greatly, provide clean raw material for subsequent feed processing.

The invention relates to the technical field of image noisy point removal, and discloses a noisy point suppression method and system for a black light camera, and the method comprises the steps: constructing a response rate factor matrix and an intercept factor matrix, carrying out the collection of a working scene image based on the black light camera, obtaining a working scene image, carrying out the correction of the working scene image, and obtaining a noise point suppression result. Performing stripe noise suppression operation on the corrected working scene image to obtain a stripe noise removed image; performing connected domain analysis operation on the binarized image to obtain an independent connected domain set; performing central point diffusion operation on the independent connected domain set to obtain an expanded independent connected domain set; and performing noisy point distinguishing operation on the extended independent connected domain set to obtain a denoised working scene image, and completing noisy point suppression of the black light camera based on the denoised working scene image. According to the invention, stripe noise can be effectively suppressed, defective pixel noise points can be accurately eliminated, and effective targets can be accurately distinguished.

The utility model relates to cell filtering technical field, propose a kind of cell filtering screening device, the design includes support seat, support seat top is provided with main component, and support seat and main component junction is provided with shaking screening subassembly;Cover assembled in support seat top;Shaking screening subassembly includes the first motor that can drive main component and connecting plate and shake in support seat top level;First motor is fixedly installed in support seat interior;Main component includes support platform;The first sleeve for storing cell liquid before and after screening and the second sleeve are respectively fixedly connected in the both sides of support platform top;Pipetting assembly is arranged in support platform top for moving cell liquid from the first sleeve to the second sleeve in moving;The design is filtered by dynamic shaking acceleration, motor drive automatic pipetting and double-stage filter cartridge precision grading, solves the pain point of traditional technology low efficiency, operation is complicated, while realizing "one-stop" automated sorting in the promotion cell survival rate.

The utility model discloses a gradient density eiderdown sorting device relates to eiderdown processing equipment technical field, the utility model discloses a box body, the box body rear side fixedly connected with screening mechanism, the box body top fixedly connected with scattering mechanism. The utility model screening mechanism three layer inclined sieve plate design, realizes gradient sorting through different aperture, solves the problem that single -layer sieve plate can only simple screening, cannot fine grading, can accurate separation different density's eiderdown, and the vibrating mechanism of cam drive of inclination structure cooperation, utilize gravity and vibration double -action enhancement eiderdown fluidity, avoid the accumulation jam of planar formula sieve plate because of poor mobility, promote the sorting efficiency greatly, double -shaft motor passes bevel gear, worm and worm wheel drive cam rotation, and the spring reset is combined, then can make the stable and regular vibration of the sieve plate of board frame drive, ensure that eiderdown is evenly distributed on the screen surface, fully screens, further improve the sorting accuracy.

The utility model discloses a kind of multi-piece sheet packaging equipment, including bottom plate, two positive plates are symmetrically arranged on the bottom plate, and two side plates are symmetrically arranged on the bottom plate, two The positive plate and two side plates are connected to form a rectangular frame, two reinforcing frames are symmetrically arranged outside the bottom plate, two firm frames are vertically and evenly arranged on the rectangular frame, a top cover is arranged on the top of the rectangular frame, and the top cover covers the opening on the top of the rectangular frame;The utility model is strengthened by setting rectangular frame in combination with reinforcing frame, firm frame and connecting block with air pipe, the stability of box is strengthened, and shock absorption and internal visual monitoring are realized;And by limiting groove, upper and lower inner clamping plate and partition plate, glass accurate limiting and flexible separation are realized, to avoid friction damage;The whole not only guarantees the integrity of glass during loading and unloading transportation, but also adapts to multi-specification products, and is conducive to recycling, improves the adaptability while enhancing the protection effect.

The invention provides a high-flux monosaccharide separation and quantification method and kit based on gel electrophoresis. The separation and quantification method comprises the following steps: (1) providing a fluorescence-labeled monosaccharide sample to be detected; (2) injecting the monosaccharide sample to be detected into a capillary electrophoresis system, and performing first electrophoretic separation under a first separation system to obtain a first electrophoretogram; the first separation system comprises borate-free first separation gel and a first buffer solution; (3) cleaning a capillary tube of the capillary electrophoresis system, injecting the monosaccharide sample to be detected into the capillary tube again, and performing electrophoretic separation for the second time in a second separation system to obtain a second electrophoretogram; the second separation system comprises second separation gel containing borate and a second buffer solution; and (4) carrying out qualitative identification and quantitative calculation on the mixed monosaccharide according to the migration time difference and peak overlapping condition of each monosaccharide component in the first electrophoretogram and the second electrophoretogram.

The utility model belongs to the technical field of material receiving devices, and provides a material receiving mechanism, which comprises a support frame, a plurality of material trays, a plurality of material receiving devices and a plurality of material receiving devices, the material distributing piece is arranged on the supporting frame and has a first supporting state and a tray distributing state, the supporting table is movably arranged on the supporting frame, and the supporting table has a tray taking state and a second supporting state. Compared with the prior art, the material distributing piece with the first supporting state and the tray distributing state is arranged, and the supporting table movably arranged on the supporting frame is matched, so that a plurality of trays stacked in multiple layers are automatically separated and received layer by layer, and the trays can be taken and placed layer by layer without depending on external carrying equipment; the material receiving capacity and the automation degree are effectively improved, the manual operation intensity and the system complexity are reduced, and the overall production efficiency is improved.

The application provides a dynamic modeling method and system for multi-field skill AI automatic semantic labeling, and relates to information retrieval, medical health and cross-field skill fusion scene. Through nonlinear dynamic modeling and biomedical stability control, the semantic label automatic generation and real-time matching of talent skill and health intervention effectiveness are realized. The application innovatively integrates the sound wave frequency of fetal brain promoting music method, maternal action instruction and blood type nutrition scheme into the "skill-time" frequency domain space, combines the Gevrey smoothing operator and fractional derivative evolution equation, accurately separates the temporary fetal movement fluctuation and low-frequency core characteristics, and breaks through the characterization limitation of traditional models on nonlinear biological coupling effect. By introducing the "intervention effect-time" frequency domain component and local dependency constraint, the short-term effectiveness and long-term value of music intervention on fetal neurodevelopment are quantified, and the model distortion problem caused by extreme data or cross-field parameter resonance in traditional methods is solved.

A radial material screening device and method are disclosed, relating to the technical field of material screening devices. The device includes a primary screening mechanism, a secondary screening mechanism, a screening channel, and a screening aperture control unit. The secondary screening mechanism includes a wheel-type sieve aperture inner diameter control unit, which is equipped with an elastic mimicry insert. The method includes screening out waste materials exceeding the upper and lower limits, and directionally dropping materials that meet the specified dimensions. This invention effectively solves the problem of poor adaptability of existing radial screening devices, which cannot be matched with automated production lines and affect subsequent processes. Through this invention, radial screening of materials can be achieved, removing waste materials exceeding the upper and lower limits, ensuring that the screened materials are fully free of impurities. Therefore, it will not interfere with subsequent automated production lines and can greatly improve the working efficiency of the entire production line.

This invention discloses a method for decomposing noise sources in aero-engine components, comprising the following steps: S1, spatial sound source analysis; acquiring noise input at each measurement point, constructing a covariance matrix and performing singular value decomposition; obtaining the number of eigenvalues ​​reaching a set contribution threshold; S2, extracting broadband time-domain components and pure audio-domain components; removing discrete pure-tone periodic components to obtain stationary random broadband components; processing the total noise and broadband noise separately using a Hanning window-applied discrete Fourier transform and subtracting them to obtain the spectrum of the pure-tone noise components; S3, adaptive signal decomposition filtering; S4, sound source directivity identification; S5, sound source separation; S6, noise component identification; S7, amplitude calibration; S8, sound source merging. This invention can accurately decompose fan noise and jet noise from engine noise, enabling accurate assessment of the contribution of modern turbofan engine noise sources at different frequencies and angles.

This invention relates to the field of metal corrosion detection and three-dimensional morphology analysis technology, specifically disclosing a method for identifying pitting corrosion based on three-dimensional morphology reference surface correction and fusion domain segmentation. The method includes: S1: acquiring three-dimensional morphology data of the metal surface; S2: obtaining potential pitting regions based on the three-dimensional morphology data; S3: dividing the potential pitting regions into pitting and fusion pits based on their area and average area, and further subdividing fusion pits into multiple pitting pits using distance transformation and watershed algorithms to obtain a set of pitting pits; S4: calculating the geometric parameters of the pits based on the set of pitting pits; S5: generating a parameter table and a visualization annotation map based on the set of pitting pits and their geometric parameters. This invention can automatically identify all target defects, including shallow pits and fusion pits, improving detection efficiency while ensuring modeling accuracy. It is applicable to the detection of pitting defects and mechanical property analysis of metal components of different sizes and operating conditions.

The utility model discloses an adjustable vibration classifying screen for rice processing, which relates to the technical field of grain processing and comprises a support, a screening box is rotatably connected onto the support, a feed port and a discharge port are respectively arranged on two sides of the screening box, two screening plates are fixedly mounted in the screening box, and the feed port is communicated with the discharge port. A collecting box is placed at the bottom end of the support, and an adjusting assembly capable of adjusting the diameter of screen holes is assembled on the screening plate. By assembling the adjusting assembly capable of adjusting the diameter of the screen holes on the screening plate, the limitation caused by fixation of the screen holes of an existing grading screen is effectively solved, firstly, the size of the screen holes can be flexibly adjusted according to the size of rice so that the size of the screen holes can be matched with the height of eight-treasure rice in the Guangdong county, and the eight-treasure rice can smoothly pass through by increasing the diameter of the screen holes; by reducing the diameter of the sieve pores, the eight-treasure rice and impurities can be accurately separated, and the screening precision is remarkably improved.