14results about How to "Improve contour" patented technology

The invention discloses a roof photovoltaic identification and potential evaluation method based on improved TransUNet semantic segmentation. The method comprises the following steps: obtaining a building roof satellite image data set; cleaning and classifying the images in the data set according to whether roof features exist or not, and dividing out images with roofs; according to the roof image, roof features are extracted through the constructed and trained TransUNet semantic segmentation model, and a building roof area is identified and area division is carried out; and matching the processed image with the subject name, and positioning the subject to which the building belongs. According to the method, an innovative solution of a remote sensing technology and a machine learning method is integrated, the generalization ability of roof recognition semantic segmentation can be effectively improved, the roofs are accurately recognized and divided, and the method aims at achieving rapid and accurate evaluation of large-scale urban building roofs.

There is provided a semiconductor device including: a substrate having an active region formed thereon; a gate stack on the active region; a circuit wiring disposed over the gate stack; and a contact via structure on a side surface of the gate stack and between the active region and the circuit wiring, in which the contact via structure includes: a gate contact via extending between the circuit wiring and the active region; a first contact insulating film covering a portion of a side surface of the gate contact via and exposing a remaining portion of the side surface; and a second contact insulating film covering a portion of a side surface of the first contact insulating film, exposing a remaining portion of the side surface, and exposing a remaining portion of a side surface of the gate contact via.

The invention provides a preparation method of a back-illuminated image sensor, and the method comprises the steps: carrying out the first cutting of a first substrate, and carrying out the bonding of the first substrate and a second substrate; step supplementing layers are formed on the side surface of a first-stage step, the upper surface and the side surface of a second-stage step and the upper surface of a third-stage step in the three-stage step structure at the edge of the first substrate, so that the upper surface of the step supplementing layer on the second-stage step is flush with the upper surface of the first-stage step; in this way, the outline and the shape of the edge of the first substrate are optimized, so that after the first substrate and the second substrate are bonded, no gap exists between the edge of the logic area on the first substrate and the edge of the second substrate, the situation of edge breakage caused in the second cutting process of the first substrate is avoided, and the yield of the first substrate is improved. The number of effective Die at the edge of the first substrate is ensured, and the yield of products is improved.

The present application discloses a method for fusing a visible light image and an infrared image. The method comprises obtaining a visible light brightness image based on a visible light image and obtaining an infrared brightness image based on an infrared image; using the visible light brightness image and the infrared brightness image, determining the coordinate information of the first pixel in the target area of ​​the visible light brightness image and the coordinate information of the second pixel in the non-target area; fusing the visible light brightness image and the infrared brightness image to obtain a brightness-fused first image; adjusting the brightness component of the pixel in the first image so that the second brightness contrast between the target area and the non-target area in the first image is the same as the first brightness contrast to obtain a second image; for each pixel in the second image, fusing the brightness component of the pixel with the chromaticity component of the pixel in the visible light image having the same coordinates as the pixel to obtain a fused image. The present application solves the color cast problem in visual effects, so that the fused image has a strong color preservation ability.

The invention relates to an iridium sheet split charging system and split charging method, and belongs to the technical field of graphic data recognition. The iridium sheet subpackaging system comprises a visual recognition device, a storage, a control module and a transfer device, the visual recognition device comprises a supporting body, a vibration assembly and a visual sensor, the supporting body is provided with a supporting face for supporting iridium sheets, and the vibration assembly is used for driving the supporting body to vibrate so as to disperse the multiple iridium sheets on the supporting face; the visual sensor is used for acquiring an image of a supporting surface containing a plurality of iridium sheets; the memory stores a reference contour of the iridium sheet; the control module is used for determining whether the iridium sheets are dispersed iridium sheets or not based on the comparison of the actual contours of the iridium sheets contained on the supporting surface and the reference contours of the iridium sheets, and determining the position parameters of the dispersed iridium sheets on the supporting surface based on the coordinate axes on the supporting surface; and the transfer device transfers the iridium sheets on the basis of the position parameters of the dispersed iridium sheets on the supporting surface. The iridium sheet split charging system provided by the embodiment of the invention can identify and separate the iridium sheets adhered together.

The invention relates to the technical field of tire manufacturing, and discloses a tire side bulge prevention structure of an all-steel agricultural radial tire and a preparation process of the tire side bulge prevention structure. The tire sidewall bulge prevention structure comprises a tire sidewall area which is sequentially provided with a lining layer, an irradiation tire body reinforcing rubber sheet and a tire body cord fabric from the inner side to the outer side, the preparation process comprises the following steps: S1, preparing a rubber composition film; s2, preparing an irradiation tire body reinforcing rubber sheet; s3, the irradiation tire body reinforcing rubber sheet is precisely attached to the designated position of the outer surface of the lining layer; s4, a carcass ply is attached to the outer side of the irradiation carcass reinforcing rubber sheet; and S5, carrying out integral molding, shaping and vulcanization on the tire. By adopting the technical scheme that the high-energy electron beam is adopted to irradiate the pre-vulcanized reinforced rubber sheet and the rubber sheet is precisely positioned and attached, rigid support is provided for the tire body cord fabric, the stress distribution is homogenized, and the problems that local bumps on the sidewall are eliminated, and periodic bumps and recesses are easy to appear from a pattern groove to the sidewall position when the tire is inflated and loaded are solved.

The invention provides a photoresist structure, a semiconductor element comprising the photoresist structure, and a preparation method of the semiconductor element comprising the photoresist structure. The photoresist structure comprises a lower photoresist layer; and an upper photoresist layer disposed on the lower photoresist layer. A thermal expansion coefficient of the upper photoresist layer is greater than a thermal expansion coefficient of the lower photoresist layer.

This invention discloses an intelligent visual prosthesis system and encoding method. The system includes an external sensing processing unit and an internal implanted stimulation unit. The external sensing processing unit includes at least an environment sensing unit and a first data processing unit, and the internal implanted stimulation unit includes at least a stimulation signal generation unit and an electrode array. The environment sensing unit is used to acquire a target image. The first data processing unit is used to match the current scene to a preset lighting scene mode according to the image features or ambient illuminance of the target image, independently configure anchor points for the corresponding image grayscale value boundaries for the matched lighting scene mode, and generate a grayscale-charge density mapping relationship corresponding to the lighting scene mode. Then, the grayscale value of each pixel of the target image is mapped to the corresponding target charge density, and a stimulation command is generated and output to the stimulation signal generation unit. The stimulation signal generation unit is used to generate an electrical stimulation pulse sequence according to the stimulation command and a preset reference pulse width and output it to the electrode array.

The invention discloses an on-line detection device for the profile tolerance and the center height of a support surface of a valve rocker assembly, which is used for manufacturing automobile parts. Workpiece positioning seats are arranged on two sides of the bottom plate; three measuring rod guide supports are respectively fixed on the outer sides of the workpiece positioning seats and in the middle of the bottom plate; guide rods of the measuring rod I and the measuring rod III on the two sides of the bottom plate are in sliding fit with guide holes of the measuring rod guide support, one end of each guide rod is provided with a measuring handle, a measuring go-end cylinder and a measuring no-go-end cylinder are combined into an integrated stepped shaft structure and are arranged at the other end of the guide rod, and the measuring go-end cylinder is located on the outer side of the measuring no-go-end cylinder. Limiting blocks are arranged on the outer sides of the measuring rod guide supports located on the two sides of the bottom plate, the measuring rod II in the middle of the bottom plate is provided with no limiting block, and the tops of the three measuring rod guide supports are respectively provided with a gauge stand. The device can be used for on-line rapid detection of the profile tolerance and the center height of the rocker arm assembly support surface, effectively guarantees the workpiece measurement precision, is convenient and simple to use, can overcome the limitation of on-line detection, and can improve the product manufacturing quality and the detection efficiency.

The invention provides a preparation method of a flash memory device, and the method comprises the steps: carrying out the at least two times of inclined ion implantation technology on the surface of an isolation structure exposed out of a peripheral logic region before a gate oxide layer is prepared, so as to enable the vertex angles (the edge of an active region) of two sides of the isolation structure of the peripheral logic region to be in complete contact with implanted doped ions, the ion concentration distribution of the edge region of the active region is improved, Si vacancies exist in bonds formed by Si-doped ions, and the vacancies are beneficial to the oxidation reaction on a SiO2 / Si interface, so that in the subsequent process of preparing a gate oxide layer by a high-temperature furnace tube oxidation process, the yield of the gate oxide layer is improved. The growth speed of the gate oxide layer at the vertex angles of the two sides of the isolation structure is greater than that of the gate oxide layer on the substrate surface far away from the vertex angles of the isolation structure, so that the growth of the gate oxide layer at the edge of the active region is thickened, and the electric field distribution at the edge of the active region is reduced; therefore, the morphology and contour of the gate oxide layer close to the vertex angles at the two sides of the isolation structure and the TDDB performance of the device are improved.

The present application relates to a method, device and equipment for radar image enhancement based on polarization control. The method comprises: using a polarization radar system to obtain a full polarization radar image of a target; uniformly sampling the polarization parameter space according to the polarization parameter descriptor to obtain different transmit and receive polarization vectors, and constructing a transmit and receive polarization vector set; polarization control is performed on the full polarization radar image according to the transmit and receive polarization vector set, and variable polarization images corresponding to different transmit and receive polarization vectors are obtained in a digitally weighted manner to construct a variable polarization image sequence; the variable polarization image sequence is fused to obtain an enhanced radar image. The present method can be used for target structure inversion and contour extraction.

The invention relates to the technical field of aviation aircraft design, and discloses a variable camber wing based on a bistable composite material structure driving multi-section rotation, which comprises a wing leading edge structure, a multi-section rotation rigid skin, an internal truss structure connected with the multi-section rotation rigid skin, a bistable composite material driving structure and a transmission mechanism, the bistable composite material driving structure is arranged between the rigid skin hinge and the transmission mechanism; and the transmission mechanism is arranged between the truss structure in the rigid skin and the sliding chute of the wing leading edge structure. The control precision and reliability are improved through relative change of the three rigid wings, and the problems that in the prior art, the structure is complex, the weight is large, the actuation efficiency is low, and the bearing capacity is low are solved.

The application provides a method for improving the definition of a projector and a projector. The method comprises the following steps: acquiring an input projection image and a blank reference frame of a projection screen, constructing an illumination decay mask based on the blank reference frame, and correcting the input projection image using the illumination decay mask to obtain a corrected image. The corrected image is converted into a YUV color space image to separate a luminance component image and a chrominance component image. Based on the edge pixel proportion, smooth area proportion and local variance mean in the luminance component image, an image content complexity parameter is determined. Based on the complexity parameter, the luminance component image is sequentially subjected to bilateral filtering, Canny edge detection, edge superposition, bicubic interpolation and Laplacian sharpening to obtain an output image with improved definition. The definition is adaptively adjusted through the above method.

The application discloses a low-light image enhancement method and device based on wavelet transform and a medium, and relates to the technical field of image processing.The method comprises the following steps: acquiring a to-be-processed image; performing preliminary feature extraction on the to-be-processed image by using a first convolution module to obtain to-be-processed image features; performing high-order curve iterative adjustment on a brightness channel of the to-be-processed image by using an illumination adjustment module to obtain a multi-channel illumination map; performing multi-branch multi-scale feature extraction and fusion on the to-be-processed image features and the multi-channel illumination map by using a structure prediction module to obtain a structure prediction map; performing bidirectional wavelet transform decomposition on the structure prediction map by using a detail repair module, weighting a spatial and channel attention mechanism, and then performing inverse bidirectional wavelet transform reconstruction to obtain a detail repair map; and performing performance activation and dimension reduction on the detail repair map by using a dimension reduction activation module to obtain an enhanced image of the to-be-processed image.The application realizes effective enhancement of a low-light image.