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Image denoising method and device, computer equipment and storage medium
ActiveCN119624825AImprove denoising effectprotection edgeImage enhancementImage analysisImage denoisingImaging processing
The invention relates to the technical field of image processing, and discloses an image denoising method and device, computer equipment and a storage medium, and the method comprises the steps: carrying out the preliminary denoising of a noise-containing image based on a diffusion coefficient function model, and obtaining a preliminary denoised image; and performing second denoising processing on the preliminarily denoised image by using a denoising convolutional neural network, and outputting a denoised image. And according to the feature information of the image, adjusting the threshold parameter and the number of iterations of the diffusion coefficient function so as to adapt to the noise characteristics of different images, and finally outputting an optimized target de-noised image. According to the image denoising method, noise in the image can be effectively removed, and detail and edge information of the image can be accurately reserved. The optimal balance between noise removal and detail protection is realized by adaptively adjusting the threshold parameter and the number of iterations, and the denoising effect is remarkably improved. And the finally generated image is higher in quality, richer in details and clearer in edge.
Owner:SHENZHEN WHALE VISION TECH CO LTD
Tea set cabinet opening and closing door capable of freely hovering at any angle
ActiveCN224214058UGuaranteed stabilityprotection edgeBuilding braking devicesDoor/window applicationsShape changeStructural engineering
Owner:GOLDEN FIELD IND CO LTD
Edge protection assembly and intelligent terminal
ActiveCN222531714Uprotection edgeavoid damageTelephone set constructionsStructural engineeringMechanical engineering
The utility model provides an edge protection assembly and an intelligent terminal, the edge protection assembly is applied to the intelligent terminal, a screen of the intelligent terminal comprises a bending area and a non-bending area, the edge protection assembly comprises a pressing strip unit and an elastic piece, the pressing strip unit comprises a first pressing strip and a second pressing strip, and the elastic piece is arranged on the first pressing strip. The edge of the non-bending area is protected by the first pressing strip and the second pressing strip; the elastic piece is movably connected between the first pressing strip and the second pressing strip and used for abutting against the edge of the bending area. The utility model provides an edge protection component and an intelligent terminal, which are used for realizing an effect of stably protecting a flexible screen at relatively low cost.
Owner:SHANGHAI TRANSSION CO LTD
Methods and systems for optimizing stereoscopic vision in naked-eye 3D large screens
ActiveCN121462742BImprove environmental adaptabilityGood environmental stabilitySteroscopic systemsLarge screenVirtual camera
This invention discloses a method and system for optimizing stereoscopic vision on naked-eye 3D large screens, specifically relating to the field of naked-eye 3D vision optimization technology. The method includes: real-time perception of ambient light and viewer position through multi-sensor fusion to establish an ambient light field model; prediction of glare crosstalk noise based on physical simulation, and adaptive suppression and compensation combining human visual sensitivity and image content features; dynamic generation of a virtual camera based on the viewer's real-time binocular positions, and real-time re-rendering using a lightweight neural radiation field renderer to achieve motion parallax; finally, intelligent fusion and encoding of the glare compensation layer and perspective correction layer, and outputting the result to the screen. The system includes four main modules: environmental perception, glare compensation, perspective rendering, and fusion encoding. This invention effectively suppresses ambient light interference, improves the quality and immersion of stereoscopic images from different viewing angles, and is suitable for naked-eye 3D large-screen displays in outdoor and complex lighting environments.
Owner:ANHUI SHENGZI TECH CO LTD
Waterproof circuit board
ActiveCN222655438Ukeep dryavoid enteringCasings/cabinets/drawers detailsMetal casingsStructural engineeringElectric control
The utility model relates to the technical field of automobile electric control unit devices, and discloses a waterproof circuit board, which comprises an upper cover plate, a lower cover plate and an electric control unit, the electric control unit is fixed on the lower cover plate through a low-temperature welding strip, a welding layer is formed between the electric control unit and the lower cover plate, and a circuit joint on one side of the electric control unit is aligned with a joint hole on one side of the lower cover plate. The upper cover plate is provided with a notch consistent with the electric control unit in size, after the connector hole of the upper cover plate is aligned with the connector hole of the lower cover plate, the upper cover plate and the lower cover plate are bonded and sealed through sealant, and the upper side and the lower side in the connector hole are each provided with an air bag capable of being inflated and deflated. The air bags can extrude each other after being filled with air to wrap the electric wire, and the connection part of the circuit connector and the electric wire is sealed, so that liquid is prevented from entering to cause short circuit.
Owner:JIANGSU YEFENG PRECISION TECH CO LTD
Ceramic tile convenient to splice
ActiveCN222161820Ueffective absorptionreduce transmissionCovering/liningsSound proofingStructural engineeringMechanical engineering
The utility model discloses a ceramic tile convenient to splice, which relates to the technical field of ceramic tiles and comprises a fixed mounting rack, a transverse joint is arranged on the inner side of the fixed mounting rack, a plurality of groups of fixing holes are formed in the inner wall of the transverse joint, and a first ceramic tile and a second ceramic tile are arranged in the fixed mounting rack. Sound insulation cotton is arranged on the inner side of the fixed mounting frame, a fixing rod is arranged above the fixed mounting frame, and fixing columns and positioning holes are arranged on the side faces of the first ceramic tile and the second ceramic tile. According to the tile convenient to splice, the fixed mounting frame and a wall are fixed through the arranged fixing screws, noise generated when the outside collides with the tile is reduced through the arranged sound insulation cotton, and workers can conveniently mount and dismount the tile through the arranged fixing blocks and the arranged sliding grooves; and by arranging the fixing columns and the positioning holes, workers can conveniently splice the ceramic tiles, and by arranging the protection rubber strips, the edges of the ceramic tiles can be effectively protected, and collision is prevented.
Owner:FUJIAN NANAN SHANCHUAN BUILDING MATERIALS CO LTD
High-wear-resistance multi-layer composite structure type Teflon conveyor belt
ActiveCN224090943Uhigh strengthavoid breakage damageConveyorsLayered productsWear resistantConveyor belt
The utility model relates to the technical field of conveyor belts, in particular to a high-wear-resistance multi-layer composite structure type Teflon conveyor belt which comprises a first rubber layer, a first reinforcing layer is connected to the surface of the first rubber layer, and first reinforcing ribs are installed in the surface of the first reinforcing layer in an embedded mode. A second reinforcing layer is fixedly connected to the surface of the first reinforcing layer, second reinforcing ribs are embedded in the surface of the second reinforcing layer, a second rubber layer is fixedly connected to the surface of the second reinforcing layer, and a wear-resistant layer is arranged on the surface of the second rubber layer. According to the high-wear-resistance multi-layer composite structure type Teflon conveying belt, the first reinforcing ribs and the second reinforcing ribs are arranged, the strength of the first rubber layer and the strength of the second rubber layer are improved through the first reinforcing ribs and the second reinforcing ribs, the conveying belt is prevented from being broken and damaged, and damage to the conveying belt is reduced; the overall strength of the conveying belt is further improved, so that the conveying belt can bear external force in the material conveying process and is not prone to deformation or breakage.
Owner:TAIXING CHUANDA PLASTICS CO LTD
Methods, apparatus, equipment, media, and programs for eliminating vertical stripes in infrared images.
This application relates to a method, apparatus, device, medium, and program product for removing vertical stripes from infrared images, comprising: performing overlapping block processing on the infrared image to be processed; performing grayscale correction processing on each image block according to a preset scene threshold to calculate the column median vector; processing the column median vector using a hybrid filtering strategy to obtain initial vertical stripe components; filtering true vertical stripe components from the initial vertical stripe components based on column gradient trends, and truncating the true vertical stripe components based on a dynamic threshold to obtain accurate vertical stripe components; performing inter-frame weighted optimization by combining vertical stripe feature data from historical frames to obtain target vertical stripe components; and removing the target vertical stripe components from the infrared image to be processed to obtain the target infrared image. This application, through overlapping block processing, hybrid filtering, dynamic threshold filtering, and inter-frame weighted optimization, can efficiently remove vertical stripes while preserving the edges and details of the image.
Owner:安徽光智科技有限公司
A road network traffic bottleneck identification method integrating wavelet transform and image binarization
ActiveCN111488336BImprove computing efficiencyImprove recognition accuracyImage enhancementImage analysisAlgorithmRoad networks
The present invention discloses a road network traffic bottleneck identification method integrating wavelet transform and image binarization. The main steps include: inputting speed time series data, searching for speed mutation points according to the wavelet transform principle, and outputting the time and position of the speed mutation points; secondly, sorting the speed values of the speed mutation points in ascending order, selecting the speed threshold according to the quartile method, and converting the speed time series data into a speed spatiotemporal heat map; then, setting the speed threshold as a parameter for image binarization, and dividing the speed spatiotemporal heat map into congested areas and non-congested areas through image binarization; finally, for the irregularly scattered congested areas in the binarized image, considering that they have little impact on the overall congestion of the traffic road network, using median filtering to eliminate irregular, sporadically distributed pixels and small bottleneck points, so as to improve the calculation efficiency and recognition accuracy of frequent traffic bottlenecks in the urban road network.
Owner:BEIHANG UNIV
Mechanism for improving three-proofing paint pollution
ActiveCN224208281Uavoid occlusionImprove uniformitySpraying apparatusStructural engineeringSpray painting
The utility model discloses a mechanism for improving three-proofing paint pollution, which comprises a protective plate and a spraying area for positioning a main board, a locking component is arranged in a non-spraying area of the protective plate, and an expansion end of the locking component is arranged on the side surface of the spraying area and is matched with the side surface of the main board positioned in the spraying area. The extrusion pieces of the locking assembly are located at the two ends of the side face of the spraying area, the expansion ends of the extrusion pieces are only in contact with the side face of the main board, the movement path of the paint spraying head is prevented from being shielded, it is ensured that the paint spraying head can completely cover all the areas of the main board, and therefore spraying uniformity and integrity are improved.
Owner:DONGGUAN NUOZHENG ELECTRONICS CO LTD