18results about How to "Sharp edge" patented technology

The invention discloses a three-dimensional animation rendering method for a non-biomorphic product and related equipment, and relates to the technical field of data processing, and the method comprises the steps: obtaining three-dimensional point cloud data of the non-biomorphic product, and carrying out the preprocessing of the three-dimensional point cloud data; generating two-dimensional slice plane data based on the three-dimensional point cloud data to construct a modeling path; performing dense sampling processing on the three-dimensional point cloud data to generate a section geometric contour, and constructing a space triangular mesh model; performing three-dimensional modeling of the non-morphological product based on the modeling path and the spatial triangular mesh model; determining a three-dimensional animation rendering object, and obtaining rendering parameters of the three-dimensional animation rendering object based on the renderer and the rendering rotation orbit; performing simulation rendering simulation based on the rendering parameters in combination with the three-dimensional animation rendering object so as to adjust and optimize the rendering parameters; and performing three-dimensional animation rendering of the non-biomorphic product based on the optimized rendering parameters in combination with the three-dimensional animation rendering object. According to the invention, the three-dimensional animation rendering of the non-morphological product can achieve a more ideal effect.

The invention relates to a diffractive optical element beam shaping method based on spatial frequency filtering, and the method comprises the steps: obtaining an incident beam, and obtaining corresponding geometric analysis phase distribution based on a preset homogenized beam; the homogenized light beam is adjusted to be a rectangular flat-topped light beam, and phase correction processing is carried out on the obtained geometric analysis phase; the geometric analysis phase after phase correction is processed based on a spatial frequency filtering method, a processed light field regulation and control distribution requirement is obtained, and the processed light field regulation and control distribution requirement has phase and amplitude regulation and control requirements at the same time; and designing a diffractive optical element, so that the diffractive optical element meets the required light field regulation and distribution requirements, and shaping an incident light beam into the rectangular flat-topped light beam by using the diffractive optical element. According to the invention, the light beam homogenization effect with high uniformity, sharp edge and high diffraction efficiency can be realized, and wide application prospects are obtained in the aspects of laser welding, photoetching, biomedicine and the like.

The invention relates to the field of hearth flame detection, and particularly discloses a hearth flame detection device and method, and the method comprises the following steps: a, capturing a flame image in a hearth through a high-resolution infrared thermal imager, and transmitting the flame image to an image processing unit; step b, executing the following operations in the image processing unit to evaluate and optimize the image quality: removing noise in the image by applying an adaptive median filtering algorithm, wherein the algorithm effect is quantified by calculating a flame image noise removal effect evaluation value Enoise (l); the flame state parameters are monitored in real time, once the parameters are lower than the preset threshold value, the safety pre-warning system is triggered immediately, the real-time monitoring and pre-warning mechanism helps to find and handle potential problems such as instability or extinguishment of flames in time, and therefore safety accidents are effectively prevented.

The utility model discloses a kind of lithium battery pole piece size measuring devices, it relates to lithium battery pole piece online measurement technical field, the lithium battery pole piece size measuring device, including table top and display, the table top is fixedly provided with support, the upper end of support is equipped with the measuring mechanism for carrying out size measurement to lithium battery pole piece, the lower end of support is provided with fixed base, fixed base inside is equipped with the object table for carrying the lithium battery pole piece to be measured, the upper end of fixed base is also provided with adjustable light source mechanism, adjustable light source mechanism adjusts illumination position according to different measurement needs.The utility model constructs multi-mode lighting system by integrating liftable rotating annular light source, adjustable arc-shaped light supplement unit and reversible locking side light source, realize all-around, self-adapting illumination adjustment to lithium battery pole piece, effectively eliminate reflection and shadow, significantly improve the accuracy and adaptability of size measurement.

The application discloses a high-temperature-resistant photoresist modified material and a preparation method and application thereof. The preparation method comprises the following steps: reacting an amine phenyl POSS compound with a phenanthrene derivative in a protective atmosphere to prepare the high-temperature-resistant photoresist modified material. The preparation method of the application introduces crosslinking groups and heat-resistant groups, and the high-temperature-resistant photoresist modified material with excellent high-temperature resistance, good photoetching performance and high resolution is prepared through reaction. Meanwhile, the synthesis process of the application is simple and controllable, the prepared modified material can meet the use requirement of high-end photoresist under high-temperature process conditions, and has a wide application prospect.

This invention discloses a dual-wavelength accelerated curing photopolymerization 3D printing method and apparatus, relating to the field of additive manufacturing technology. It employs a dual-wavelength responsive photopolymerization ink, which comprises a polymerizable monomer, a photoinitiator sensitive to a first wavelength, a photosensitizer sensitive to a second wavelength, a singlet oxygen quencher, and a solvent. The photosensitizer is excited under second-wavelength light irradiation, converting ambient oxygen into singlet oxygen. The singlet oxygen quencher consumes singlet oxygen to reduce local oxygen concentration. The first and second wavelengths are spectrally orthogonal. This dual-wavelength accelerated curing photopolymerization 3D printing method and apparatus eliminates oxygen inhibition in localized low-oxygen environments, reduces exposure dose, and increases printing speed.

The invention discloses an image enhancement processing method for remote sensing and mapping of unmanned aerial vehicles, and relates to the technical field of image enhancement processing. During the operation of the system, the flight attitude and position information are recorded by GNSS and IMU equipment, the flight path of the unmanned aerial vehicle is controlled, and the collected original image is preliminarily processed to calculate and obtain: flight stability coefficient Fs, image acquisition quality coefficient Iq and terrain feature retention coefficient Tf, and the non-local mean NLM algorithm is used to remove random noise in the remote sensing image, optimize the edge area, and use the Laplace pyramid algorithm to improve the edge clarity and texture details of the terrain image, strengthen the mountain and hilly landform features, correct the color distortion caused by the complex lighting conditions in the mountains, make the image color truly restore the terrain features, avoid the loss of important landform information due to excessive brightness or darkness, optimize the terrain feature extraction, and generate the final index Z final ,Quality assessment of enhanced and rectified images.

This invention discloses a perovskite fluorescent patterning device and method based on laser-induced dehydration phase transition, belonging to the field of perovskite material laser processing technology. Addressing the problems of existing laser ablation damaging film integrity, difficulty in eliminating background fluorescence interference, and lack of mechanisms for multi-level grayscale control, this invention provides a hydrated perovskite precursor film that is transparent and fluorescence-free in the visible light band. Under ambient humidity conditions not exceeding 50% RH, the film is locally irradiated with an ultrafast laser. Utilizing water molecules in the film's own hydration structure, laser-induced local dehydration and inorganic framework rearrangement are achieved, directly writing perovskite phase transition patterns with multi-level fluorescence grayscale onto the transparent, fluorescence-free film.

This invention discloses a tungsten-copper electronic paste for medium-temperature co-fired ceramic substrates and its preparation method, belonging to the field of electronic pastes. By mass percentage, the paste consists of 80%–85% tungsten-copper powder, 5%–15% organic carrier, and 5%–10% binder phase. The preparation method includes: first preparing the organic carrier, then uniformly mixing the tungsten-copper powder and binder phase, followed by adding the organic carrier, and then thoroughly grinding and dispersing the mixture using a stirring and three-roll mill to obtain a uniform and stable tungsten-copper electronic paste. This invention, by optimizing the powder size and paste ratio, significantly reduces the sheet resistance of the conductive layer after sintering and improves conductivity while ensuring good co-firing compatibility with medium-temperature co-fired ceramics. The resulting paste exhibits excellent printability and rheological stability, with clear printed lines and a smooth surface. It shows no bubbling or delamination during sintering and is suitable for high-performance, high-reliability electronic packaging and substrate circuit manufacturing.

The utility model discloses an electric zoom multifunctional marine searchlight which comprises a case, an LED light source assembly, a color matching assembly, a first optical assembly, a second optical assembly, a third optical assembly and a zoom assembly are sequentially arranged on the case along an optical path, and the zoom assembly controls the first optical assembly and the second optical assembly to move back and forth along the optical axis direction. The irradiation distance and the irradiation range are achieved by adjusting the size of light spots of the LED light source assembly, the color temperature change in sunny days and foggy days can be changed through the color matching assembly, it is guaranteed that the irradiation distance is long and the irradiation range is wide in the sunny days, and the penetrating power in the foggy days is guaranteed by changing the color temperature in the foggy days. According to the marine searchlight, switching of two light effects of soft light and light beams can be achieved in the marine searchlight, the effect is good in the light beam mode, the edge is sharp, and meanwhile the variable angle range can be from the minimum 2.2 degrees to the maximum 32 degrees in the zoom mode.

The application discloses a kind of based on U-Net model's complex building classification extraction method, including with steps:Step1.Getting unmanned aerial vehicle image data;Step2.Make building classification dataset.Step3.Using classification building dataset respectively trains U-Net model, obtains building extraction model;Step4.Enhance dataset;Step5.Using enhanced dataset, U-Net model is fine-tuned training, obtains fine-tuned building extraction model;Step6.Model test: the building image of prediction dataset is input to step Step5 obtains fine-tuned building extraction model, and classification is identified to building.The application can be under the condition that building dataset is limited, to complex building type is effectively identified extraction, the building contour after segmentation is clear, building is complete, can exist in the form of single house, effectively improve the extraction accuracy of complex building.

The invention relates to a preparation method of tetrahedral CBN (cubic boron nitride). The preparation method comprises the following steps: step 1, preparing a catalyst; step 2, burdening; step 3, sieving and column pressing; step 4, assembling; 5, high-temperature and high-pressure synthesis; step 6, crystallization treatment; 7, heat preservation and cooling; step 8, ball-milling the synthetic baseball; step 9, carrying out first-step chemical treatment; step 10, performing chemical treatment for the second step; step 11, drying treatment; and 12, shaping, screening, detecting, packaging and carrying out microscopic examination. The method has the advantages of being simple, regular in shape, smooth in surface, few in defect and sharp in corner angle.

The invention provides an angle defect detection method for copper bar processing, and relates to the technical field of analysis and detection of materials, and the method comprises the following steps: preparing a to-be-detected copper bar with a clean surface, placing the to-be-detected copper bar on a horizontal detection platform with enough rigidity, projecting a datum line by using a laser marking instrument, preliminarily measuring the angle of the copper bar by using a high-precision measuring tool, measuring at least three positions, calculating an average value, and comparing the average value with a standard angle to judge whether defect suspicion exists; a suspected copper rod is subjected to secondary detection by adopting an image measurement technology, parameters of an industrial camera are adjusted to obtain a clear image, an edge contour is extracted to calculate an angle value, and the secondary detection angle value is subjected to repeated detection. According to the method, through multiple detection means and accurate calculation and analysis, the angle defect of the copper rod can be accurately detected, the detection precision and efficiency are improved, the method is suitable for detection of copper rods of different specifications, the angle defect of the copper rod can be more accurately detected, the detection error is effectively reduced, and the product quality control level is improved.

The utility model relates to the technical field of semiconductor luminescence, and discloses a sensor device, which comprises a substrate and at least two optical chips arranged on the substrate. And at least two light-transmitting glue layers are tightly bonded on the optical chip. Fence parts are arranged between the light-transmitting glue layers covering the adjacent optical chips and around the light-transmitting glue layers, and the bottoms of the fence parts are connected with the substrate. The light-transmitting glue layer sequentially comprises a first light-transmitting glue layer and a second light-transmitting glue layer in the direction away from the optical chip. The side face of the first light-transmitting glue layer is arranged to be a reflecting face used for reflecting edge large-angle light. According to the utility model, through the arrangement of the plurality of light-transmitting glue layers and the reflecting surfaces, the light energy utilization rate and brightness are improved, the high precision of the sensor device is further realized, and the overall structure is simple and reasonable.

This invention relates to a Gaussian super-resolution reconstruction method based on physically consistent sparsity and frequency awareness, comprising: performing feature extraction and saliency prediction on the spacecraft image to be processed to obtain a multi-scale deep feature tensor and a foreground saliency mask; using the foreground saliency mask to perform spatial feature modulation on the multi-scale deep feature tensor to obtain a modulated multi-scale deep feature tensor; decoding the feature vector corresponding to each spatial position of the modulated multi-scale deep feature tensor to predict the corresponding Gaussian kernel parameters; based on the foreground saliency mask, performing a physically consistent hard gating operation on the opacity of all Gaussian kernel parameters to generate a sparsified set of Gaussian kernel parameters; and based on the sparsified set of Gaussian kernel parameters, obtaining the final super-resolution result image through differentiable Gaussian sputtering. This method can obtain high-quality arbitrary-scale super-resolution reconstruction results while meeting the high-performance requirements of spaceborne edge devices.

The invention discloses a construction method for chamfering a concrete column, and relates to the technical field of building construction. The problem that in the prior art, the quality of a concrete column is poor due to the fact that slurry leaks from a wood pattern joint corner seam for pouring the concrete column is solved. A concrete column wood formwork is installed to form a concrete column formwork installation reinforcing column hoop for preliminary reinforcement; filleting component strips are fixedly mounted at the four corners of the inner side of the concrete column formwork through double-sided adhesive tapes and self-tapping screws; fastening the reinforcing column hoop to finally reinforce the concrete column formwork; concrete is poured into the finally reinforced concrete column mold to form a concrete column; and removing the formwork after the concrete column reaches the design strength. The construction method for chamfering the concrete column is used for construction of pouring the concrete column through the wood formwork, the chamfering component strips are installed at the four corners of the inner side of the concrete column formwork, the four corners of the concrete column are directly chamfered, meanwhile, slurry leakage at the joint corner seams of the concrete column and the wood formwork is avoided, and the construction efficiency is improved. And the construction quality and appearance quality of the concrete column are improved.

The invention discloses a synchronous registration screen printing plate screen making process and application of synchronous registration of a screen printing plate. Comprising the following steps: S1, designing a pattern: designing a screen pattern on which at least two printing areas are arranged on the same screen according to a printing requirement, and reasonably arranging the printing areas on the screen to ensure a relative position relationship between the patterns, so that the patterns in front of and behind the clothes are accurately aligned during printing; s2, making a screen: installing the designed screen printing plate on a laser screen making machine, ensuring the consistency of the positions of the screen printing plate in different areas in the screen making process through a positioning device, and accurately making the screen on the screen printing plate by using the laser screen making machine to form a required printing area; s3, a registration stage; s4, a printing stage; the multiple printing areas are arranged on the same screen printing plate, the frequency of replacing the screen printing plate is reduced, the production efficiency is improved, the screen printing plate is fixed through a simple positioning device such as a positioning pin, and the mounting and dismounting time of the screen printing plate is shortened.

The invention provides a semiconductor measurement system and an X-ray beam positioning method, and the system comprises a motion platform, an X-ray source, a calibration assembly of a detector, and a calibration mark sheet which is fixed on the motion platform and has specific geometric characteristics. According to the method, the calibration standard sheet is driven to perform accurate relative motion by skillfully utilizing the inherent rotation and translation freedom degrees of the motion table, and the X-ray photon flux change received by the detector is subjected to high-precision calculation in the process, so that the accurate calibration of the invisible X-ray beam is realized, and the absolute position and direction of the invisible X-ray beam in a three-dimensional space are determined. In the calibration process, the measurement reference precision of the system can be ensured without any upgrade or stroke expansion of hardware of the motion table; meanwhile, photon flux change signals obtained in the positioning process are sharp in edge and high in linearity, and rapid and accurate positioning under low computing power dependence is achieved in combination with a specific positioning algorithm.