14results about How to "Solve build problems" patented technology

The present invention relates to the field of computer vision technology, and discloses a method and device for generating a three-dimensional model based on audio and image fusion, the method comprising acquiring audio data; extracting features from the audio data to obtain an audio feature vector; mapping the audio feature vector to a plurality of first two-dimensional images through a trained adversarial diffusion generation model; initializing a three-dimensional model, and using the audio feature vector to render the three-dimensional model from a plurality of random angles to generate a plurality of second two-dimensional images of viewing angles; iteratively optimizing the three-dimensional model according to the audio feature vector, the first two-dimensional image and the second two-dimensional image to generate a final three-dimensional model. The present invention can learn the complex mapping relationship between audio and image, ensures that the three-dimensional model learns the characteristics of the three-dimensional scene from multiple viewing angles, does not require a large-scale three-dimensional annotation data set, and realizes the generation of three-dimensional models with both high quality and diversity.

The present invention discloses a passenger pick-up and drop-off scheduling method for a customized bus system between urban areas, the steps of which are as follows: all stops are divided into a starting point area containing n starting points and a terminal area containing m terminal points, and a travel node sequence set Y={y 1 ,y 2 ,…,y n+m}; According to the inverse of the distance of each sequence, find the probability of each sequence being selected, sequence y i The probability of being selected is #imgabs0# and then based on the random number in the interval [0.0,1.1], the determination is to use the sequence y i nodes, or randomly add nodes to generate a new travel node sequence y 0 , and then iterate continuously until convergence; the present invention converts the path weight into a probability distribution, and on the basis of continuously passing on the advantageous subsequent nodes, adopts a 10% mutation probability for each node, which can quickly iterate and evolve; since the data exchange with the memory is reduced, the running speed can be improved; the iterative evolution of the present invention has strong cohesion and can conveniently realize parallel computing.

This invention discloses a method for controlling the oxygen partial pressure and performance of barium titanate ceramics during sintering using coconut shells, comprising the following steps: Step 1: Select coconut shells, clean them, remove the fibers, and dehydrate and dry them using a high-temperature forced-air drying oven; Step 2: Crush the dried coconut shells into small pieces, place them in a crucible, and carbonize them at high temperature in a muffle furnace; Step 3: Take out the high-temperature carbonized coconut shell char, grind it, and sieve it; Step 4: Weigh the coconut shell char and barium titanate powder at a mass ratio of 2~6:100, and then grind them to fully mix the coconut shell char and barium titanate powder; Step 5: Add a binder to the mixed powder, grind it thoroughly, and then press the powder into sheets to obtain a green body of fully mixed coconut shell char and barium titanate; Step 6: Place the pressed green body into a muffle furnace and sinter it at high temperature; Step 7: Obtain the coconut shell char mixed barium titanate ceramic.

The invention relates to a construction method of an OriCiro cell-free cloning system based on an RCR technology, and belongs to the technical field of molecular biology. The construction method comprises the following steps: expression and purification of high-activity Tn5 transposase, transposon-mediated oriC insertion, RCR amplification, traceless excision of oriC transposon and repair cyclization. The construction method provided by the invention provides a rapid, reliable and mutation-burden-free new genome construction and rescue path for the existing research, can solve the difficult problem of construction of large-size and toxic DNA sequence vectors for gene therapy, shortens the research and development and production periods, and improves the production efficiency. Therefore, a powerful tool is provided for the fields of preparation of mRNA vaccines or therapy plasmids, construction of gene therapy vectors, supply of pharmaceutical-grade plasmid DNA, research of a virus molecular mechanism and the like.

The invention discloses a multipath environment line-of-sight-distance-non-line-of-sight measurement target situation generation method and device and a medium, and can be applied to the technical field of radar target situation generation. The invention aims to solve the problem that an existing non-line-of-sight target measurement method only considers a non-line-of-sight scene and cannot be applied to a more complex scene. According to the invention, based on electromagnetic wave propagation characteristics in a typical corner scene in which a line-of-sight target and a non-line-of-sight target coexist, background clutters and target positions in the scene are established as a low-rank, sparse and group sparse combined constraint optimization problem, and an optimization result of the optimization problem is obtained by adopting an iterative optimization mode based on a near-end gradient. According to the method, clutters are suppressed, and high-precision reconstruction of the sight distance target image and the non-sight distance target image is realized at the same time. According to the method, sight-distance and non-sight-distance target situation generation can be efficiently and accurately realized under a low signal-to-noise ratio.

The invention relates to the technical field of computers, in particular to a method for generating an image with scene characters. The method comprises the steps of obtaining text description; obtaining a background image, to-be-generated characters and a text area based on the text description; obtaining a local image based on the background image through an adaptive text block exploration strategy; obtaining a character image through the to-be-generated character; condition embedding is obtained based on the local image and the character image; establishing image guidance based on the text region; inputting the condition embedding and the image guidance into a convolutional neural network to obtain a decoded image; the character generation in the decoded image is determined by the character to be generated and the text area. The problem of small text generation during image generation is solved, the accuracy of text generation is improved, and the small text rendering effect during image generation is good.

The utility model discloses an elastic glue filling device. The filling device comprises a storage piece, a conveying piece, a conveying channel, a pressure adjusting piece and an air pressure control assembly, the storage part is used for storing elastic glue with compressibility; the conveying part is arranged at the bottom of the material storage part, communicates with the material storage part and is used for pressurizing and outputting the elastic rubber; one end of the conveying channel is connected with the output side of the conveying part, and the other end of the conveying channel is at least partially arranged above the storage part and used for enabling the elastic glue to flow back to the storage part; a filling part is arranged in the middle of the conveying channel and is used for filling and outputting the elastic glue; the pressure adjusting part is arranged at the end, away from the conveying part, of the conveying channel. The air pressure control assembly is connected with the pressure adjusting piece and used for providing constant air pressure for the pressure adjusting piece. Through the arrangement, the perfusion stability and precision of the perfusion device are higher.

The utility model provides a positive pressure type anti-foaming solution transfer device, which belongs to the technical field of chemical fluid conveying equipment and comprises a conveying pipe, an air inlet valve and a soft self-locking plug, the soft self-locking plug is provided with a liquid flow channel penetrating through the upper end face and the lower end face, and the conveying pipe is placed in the liquid flow channel. Meanwhile, the two ends of the conveying pipe penetrate through the upper end face and the lower end face of the soft self-locking plug respectively and are arranged outside the soft self-locking plug, the portion, arranged on the upper portion of the soft self-locking plug, of the conveying pipe is a liquid outlet pipe, the portion, arranged on the lower portion of the soft self-locking plug, of the conveying pipe is a liquid inlet pipe, and an air inlet valve is further installed at the upper end of the soft self-locking plug. The device disclosed by the utility model can effectively solve the problem of foam generation in the transfer process of easy-to-foam media such as polymer solutions, surfactants and the like, and has the characteristics of compact structure, strong compatibility and safety in operation.

The invention relates to the technical field of pharmaceutical preparations, in particular to a levocarnitine oral solution and a preparation method thereof, and every 100 ml of the levocarnitine oral solution comprises 10 g of levocarnitine, 5-15 g of polyvinyl alcohol and 0.5-1.5 g of an edetic acid stabilizer. The levocarnitine oral solution also contains a buffering agent which enables the pH value of the levocarnitine oral solution to be 4.5-5.5, and the balance of water. The polyvinyl alcohol is at least one of 03-88 parts of polyvinyl alcohol, 05-88 parts of polyvinyl alcohol and 24-88 parts of polyvinyl alcohol. The edetic acid stabilizer is edetic acid or edetate salt. The polyvinyl alcohol and the edetic acid stabilizer are synergistically used and are matched with the specific buffer agent to achieve a stable pH value, so that levocarnitine is uniformly dispersed and has good stability, dextrocarnitine is not generated, the limit of dextrocarnitine is strictly controlled, and the product is stable in quality, safe and effective.

The invention provides a preparation method of tetrakis [beta-(3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid] pentaerythritol ester. The method comprises the following steps: S1, feeding pentaerythritol and a first part of 3, 5-methyl ester, vacuumizing, feeding a first part of a liquid lithium catalyst, and reacting at the temperature of 130-150 DEG C and the pressure of 200-400 mbar; s2, adding a second part of a liquid lithium catalyst, and reacting at the temperature of 135-165 DEG C and the pressure of 100-300 mbar; and S3, mixing the third part of the liquid lithium catalyst and the second part of 3, 5-methyl ester, vacuumizing, adding, and reacting at the temperature of 160-195 DEG C and the pressure of 10-150mbar to form a target product. According to the invention, the problems of low product yield and low purity during large-scale synthesis of the tetrakis [beta-(3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid] pentaerythritol ester are solved.

The invention discloses a freight track generation and calculation system, and relates to the technical field of freight track data processing. The system comprises a freight track parameter acquisition module, a freight track first performance analysis module, a freight track second performance analysis module, a freight track third performance analysis module and a freight track evaluation comparison analysis module. The method comprises the following steps: acquiring freight track parameters, carrying out first performance evaluation on a station freight track, carrying out second performance evaluation on the station freight track, carrying out third performance evaluation on the station freight track, carrying out comparative analysis on a third performance analysis negative index of the freight track and a corresponding threshold value, and judging and selecting the freight track according to an analysis result. Therefore, the effect of generating and calculating comprehensiveness of the freight track of the goods is improved, and the problem of insufficient generating and calculating comprehensiveness of the freight track of the goods in the prior art is solved.

This application discloses a modified sodium iron pyrophosphate cathode material, its preparation method, cathode sheet, secondary battery, and power supply device, belonging to the field of secondary battery technology. The chemical formula of the modified sodium iron pyrophosphate cathode material is Na. x Fe 3‑y M y (PO4) 2‑z‑m (P2O7) 1+z N m @C, where 3.80≤x≤4.0, 0.01≤y≤0.03, 0.005≤z≤0.015, 0.01≤m≤0.03, and N is P2O7. 4‑ H2P2O7² ‑ H3P2O7 ‑ PO3F² ‑ At least one of the following, M is at least one of Sr, Y, W, and Fe. The modified sodium iron pyrophosphate cathode material contains M element and N group. The M element acts on the iron site, and the N group acts on the anionic group framework, so that the modified sodium iron pyrophosphate cathode material has both high phase purity and high compaction density, which synergistically improves the charge-discharge specific capacity and volumetric energy density.

The present invention discloses a method, device and terminal for continuous super-resolution enlargement of remote sensing images, the method comprising: obtaining a target initial image, encoding and interpolating the target initial image to obtain a target initial hidden representation; iteratively processing the target initial hidden representation based on a target iteration module to obtain a target noise image; obtaining a target diffusion model, denoising the target noise image based on the target diffusion model to obtain a target high-definition image. The present invention solves the problem of high-quality image generation by combining the high-quality image generation capabilities of the iteration module and the diffusion model, and also successfully realizes the task of enlarging super-resolution images of any scale.

The present application relates to a lithium secondary battery comprising a positive electrode, a silicon-based negative electrode, a separator provided between the positive electrode and the negative electrode, and an electrolyte, characterized in that a secondary particle positive electrode active material and a single-particle positive electrode active material are mixed in the positive electrode, and the proportion of the single-particle positive electrode active material is adjusted, and in particular, the ratio of the single-particle positive electrode active material to the secondary particle positive electrode active material is adjusted. The weight ratio of the silicon-based active material of the silicon-based negative electrode used as the counter electrode to the single-particle positive electrode active material is adjusted with respect to the capacity loading amount of the positive electrode active material layer composition.