42results about How to "Guaranteed resolution" patented technology

The invention relates to a full-lamination method and device of a display device and the display device.The full-lamination method comprises the steps that firstly, a lamination area of a first panel is coated with liquid optical cement, the lamination area is covered with the liquid optical cement, then an initial glue layer is formed on one face of the first panel through a curing process, and the thickness of the initial glue layer is 0.55 mm-0. 65 mm; liquid optical cement is coated on a glue coating area of one face, deviating from the first panel, of the initial glue layer, the glue coating area is located in the central area of the initial glue layer, the area of the glue coating area is 1 / 2-4 / 5 of the area of the attaching area, and the maximum thickness of the coated liquid optical cement is 0.05 mm-0. 25mm; the second panel is placed on the side, provided with the liquid optical cement, of the first panel, pressing and defoaming treatment are conducted, and then curing is conducted to obtain the full-lamination display device. According to the laminating method, the bubble reversing phenomenon in the manufacturing process of the display device is reduced or even eliminated, the product yield is improved, the display effect of the display device is improved, and the resolution ratio, the contrast ratio and other performance are improved.

The invention discloses a copper-silver alloy, a copper-silver alloy plated optical fiber, an optical fiber panel and a preparation method and application of the copper-silver alloy plated optical fiber. The sum of the content of copper and the content of silver in the copper-silver alloy is larger than or equal to 99.995 wt%, and the content of silver ranges from 92 wt% to 95 wt%. The technical problem to be solved is that optical fiber monofilaments plated with copper-silver alloy layers are used for preparing the optical fiber panel, so that the optical crosstalk resistance and the electromagnetic interference resistance of the prepared optical fiber panel are remarkably improved, and high-resolution image transmission of the optical fiber panel with optical crosstalk resistance and high-frequency electromagnetic pulse resistance is realized.

The present invention provides a tunnel detection method based on color images, including using a fill light system to fill light for a color camera, using the color camera to obtain the apparent image data of the tunnel lining; using a three-dimensional measurement sensor to obtain the tunnel lining contour data and the working distance of the color camera; combining the working distance and installation posture information of the color camera, adaptively clipping the apparent image data to obtain the clipped apparent image data; splicing the clipped apparent image data to obtain the full cross-section data of the tunnel lining; using an industrial camera to obtain the landscape image data in front of and obliquely above the tunnel detection equipment, and controlling the automatic opening and closing of the data acquisition and storage module according to the landscape image data, the data acquisition and storage module is used to realize the collection and storage of the apparent image data and the tunnel lining contour data. More accurate detection of cracks, water seepage, peeling and other diseases can be achieved through color image data.

The invention discloses a copper-silver-zinc alloy, a copper-silver-zinc alloy optical fiber, a light cone and a preparation method and application of the copper-silver-zinc alloy optical fiber and the light cone, the sum of the content of copper, the content of silver and the content of zinc in the copper-silver-zinc alloy is larger than or equal to 99.99 wt%, the content of copper ranges from 15 wt% to 50 wt%, the content of silver ranges from 10 wt% to 80 wt%, and the content of zinc ranges from 5 wt% to 40 wt%. The technical problem to be solved is that optical fiber monofilaments plated with copper-silver-zinc alloy layers are used for preparing the light cone, so that the optical crosstalk prevention and electromagnetic interference resistance of a prepared light panel are remarkably improved, and high-resolution image transmission of the light cone capable of preventing crosstalk and resisting high-frequency electromagnetic pulses is achieved.

The invention provides a pixel arrangement structure, a high-precision metal mask plate and a display device, and belongs to the technical field of display. The pixel arrangement structure comprises a plurality of pixel repeating units arranged in the first direction; each pixel repeating unit comprises a first sub-pixel group extending along a second direction, the first sub-pixel group comprises at least one first sub-pixel, and the second direction is perpendicular to the first direction; the second sub-pixel group comprises at least one second sub-pixel, and the two ends, in the second direction, of the second sub-pixel group are each provided with a protrusion; the third sub-pixel group comprises at least one third sub-pixel, the third sub-pixel group is arranged adjacent to the second sub-pixel group in the second direction, and the two ends of the third sub-pixel group in the second direction are provided with recesses matched with the protrusions; wherein the second sub-pixel group and the third sub-pixel group are located on the same side of the first sub-pixel group in the first direction. The aperture opening ratio and the resolution ratio of the display device can be improved.

The invention discloses a combined rotary table bearing with a rotation precision detection function. The combined rotary table bearing comprises an outer ring, a first inner ring, a second inner ring, a roller assembly, a positioning pin and an encoder assembly. The outer ring is arranged outside the small-diameter section of the first inner ring through a roller assembly; the second inner ring is arranged on the lower side of the small-diameter section of the first inner ring; the encoder is arranged on the base plate, and a reading head of the encoder corresponds to the grids on the first inner ring. The structure is high in overall adaptability, grids are directly machined on the first inner ring, the installation error is effectively reduced, the installation difficulty is reduced, the installation efficiency is improved, and secondary zero setting is reduced, the resolution is guaranteed, and the detection precision is improved due to the absolute encoder form; the sectional retainer is small in processing stress, so that the form and location tolerance of the retainer is ensured, and the rotation of the bearing is facilitated after the retainer is assembled; due to the arrangement positions and the arrangement modes of the outer ring oil injection holes and the inner ring oil injection holes, the rollers can rotate stably, and the problem that noise is generated due to vibration generated during rotation of the bearing is solved.

The present disclosure relates to the field of array light field imaging technology, and in particular to a flexible self-deformable array light field intelligent imaging system and device. The system includes: a flexible image sensor array module, the flexible image sensor array module includes a plurality of rigid image sensors and a plurality of flexible stretchable wires; between the plurality of rigid image sensors and the plurality of flexible stretchable wires, the rigid image sensors are used as islands, and the flexible stretchable wires are used as bridges to form an island-bridge structure. The present disclosure using the above scheme can break through the limitations of the rigid morphological design on the imaging system, solve the contradiction between the performance and flexibility of the array light field imaging system, and realize light field intelligent imaging with high performance, high flexibility, and high adaptability.

The invention relates to an image local editing method and device, a readable storage medium and a program product. The method comprises the steps of obtaining a to-be-edited image, wherein the to-be-edited image comprises an editable area and a content retention area; obtaining a description text for the editable area; performing down-sampling on the to-be-edited image to obtain a down-sampled image; performing image generation according to the down-sampling image and the description text to obtain an intermediate image; the content of an image block corresponding to the position of the editable region in the intermediate image is matched with the description text; performing up-sampling on the intermediate image to the image size of the to-be-edited image to obtain an up-sampled image; and fusing an image block corresponding to the position of the editable region in the up-sampling image with the content retention region to obtain a target image. By adopting the method, the image local editing efficiency can be improved.

A method for establishing an image fast denoising model for robot welding vision belongs to the field of imaging technology. It solves the problem of fast reduction of spatter noise and imaging in the process of robot weld tracking. The present invention first obtains multiple frames of calibration images with different exposure times; calculates the irradiance expression value of each pixel point of all calibration images; calculates the weighted average of the irradiance expression values ​​of the corresponding pixel points of all images as the final irradiance expression value of the corresponding pixel point; compresses the irradiance expression value into a target grayscale value; arbitrarily selects two frames of calibration images with different exposure times, constructs a lookup table with a mapping relationship, and uses graphics operation methods to eliminate data outliers in the table and burrs on the edges of the region; sets the distribution area of ​​the data set as the ridge area, and corrects the ridge area data by the pixel neighborhood grayscale averaging method and the convolution averaging method; and completes the model establishment. The present invention is suitable for fast image denoising.

An optical system according to an embodiment of the present invention includes first to seventh lenses aligned along an optical axis from an object side toward a sensor side, in which: a refractive power of the first lens is negative; the combined refractive power of the third to seventh lenses is positive; the first lens has a meniscus shape protruding from the optical axis toward the sensor side. A center thickness of the first lens is greater than a center thickness of each of the second to seventh lenses; the first to seventh lenses include a plurality of aspheric lenses. And each of the plurality of aspheric lenses may have a meniscus shape protruding from the optical axis toward the object side.

The invention belongs to the technical field of airborne aircraft phase-sweeping Reida SAR mode beam control, particularly relates to an airborne aircraft phase-sweeping Reida SAR mode beam control method, and relates to an antenna azimuth beam and pitching beam pointing electric scanning and mechanical scanning control method. In a bunching SAR mode, an azimuth wave beam and a pitching wave beam in the same aperture time can always cover the center of an imaging area well, and the SAR image quality and the azimuth resolution are ensured; in the strip SAR mode, the azimuth wave beam can be always well orthogonal to the imaging track angle, and the SAR image quality and the moving target positioning precision are ensured.

The utility model discloses an annular array light source for microbiological detection, which comprises a substrate, a plurality of integrated light sources are arranged on the end face of one side of the substrate along annular paths with different diameters, and the integrated light sources can emit different wavelength ranges and different polychromatic lights; a transparent annular cover is arranged outside the integrated light source along an annular path, and a soft light TIR lens is arranged at the position, corresponding to the integrated light source, of the transparent annular cover. A water cooling disc is arranged on the end face of the other side of the substrate, and a heat transfer piece is arranged around the integrated light source and connected with the water cooling disc. According to the utility model, organisms in sewage are uniformly irradiated at a specific light beam angle in an annular arrangement manner, and the working temperature of the light sources which are densely arranged can be effectively reduced.

The invention relates to the technical field of ultrafast optical and time-resolved spectral measurement, in particular to a pumping spectrum detection device with adjustable chirp and adjustable time delay. Comprising an ultrafast laser source, two grating dispersion units, a distance adjusting device, a laser climbing mirror, a beam splitting and energy control device, an independent delay line, a focusing lens, a light beam terminator, a sample module, a collimation attenuation module, a spectrum detection module and a synchronous control module. The method has the beneficial effects of chirp-delay decoupling, wide-range linear dispersion, stable space-time coincidence, multi-sample compatibility, automation, high signal noise, and parameter calibration and reproducibility.

The application discloses a kind of based on digital human segmentation MRI image splicing and fusion method, comprising: the MRI data of different parts of human body obtained by nuclear magnetic resonance scanning is first registered after being preprocessed such as noise reduction, using the resolution, orientation etc. of reference image and floating image after registration, further realize the transformation of floating image between image coordinate system and world coordinate system, simultaneously based on trilinear interpolation interpolation and operation in the above spatial transformation process.The application realizes the seamless fusion of the three-dimensional image to be spliced in high and low frequency direction, effectively utilizes image high and low frequency component information.The application not only simplifies the two-stage image splicing and fusion process of traditional splicing method, i.e.fusing overlapping area first and then splicing non-overlapping area, and greatly improves the overall splicing and fusion accuracy of segmented MRI data.

The present invention relates to a large-target-surface high-definition low-distortion industrial lens and a focusing method thereof. The optical system of the lens is composed of a front lens group A, an aperture C, and a rear lens group B arranged in sequence from front to back along an incident light path; the front lens group A is composed of a first cemented group of positive meniscus lens A-1, positive meniscus lens A-2, biconvex lens A-3, and biconcave lens A-4 arranged in sequence from front to back in close contact; the rear lens group B is composed of a second cemented group of negative meniscus lens B-1 and positive meniscus lens B-2 arranged in sequence from front to back in close contact, and a third cemented group of biconvex lens B-3, positive meniscus lens B-4, and negative meniscus lens B-5 in close contact. The large-target-surface high-definition low-distortion industrial lens of the present invention realizes large-target-surface imaging, large clear light path, low distortion, and high resolution, adopts a half-group focusing method, effectively ensures high-definition imaging during close-range shooting, and provides a resolution better than 20 million pixels for industrial imaging systems.

The application discloses a kind of image velocimetry system for blood vessel, the method for blood vessel pathological change risk assessment, blood vessel detection device-nanoparticle composition and its application, it is related to image processing field, the system includes: targeted visualization nanoparticle administration unit, double-ring scanning optical probe, CMOS imaging device, image acquisition and double-domain correlation processing module, coupling mechanics parameter calculation module.The application utilizes double-ring scanning optical probe to combine external CMOS imaging device, realizes the efficient transceiving and transmission of nanoparticle fluorescence signal;By performing digital image correlation and microscopic particle image velocimetry on image sequence, finally obtain the time synchronization data of blood vessel wall deformation, near-wall blood flow velocity and shear stress and other mechanical parameters, and based on this, the assessment and early warning of blood vessel pathological change risk are carried out.

The invention relates to the technical field of image processing, in particular to an optical coherence tomography data optimization method for scar diagnosis. According to the method, firstly, based on the tissue distribution condition of first OCT microscopic image data obtained by a first scanning parameter, the definition of multiple depth intervals is quantified, and then the overall image definition is determined; second scanning parameters are determined according to the overall image definition, the proportion of the area of the non-scar area to the area of the whole scar image and the first light source wavelength, and original OCT microscopic image data of the scar are obtained again; and preprocessing the original OCT microscopic image data, and performing fusion processing on a plurality of scar images in the obtained second OCT microscopic image data to obtain an optimized image. According to the method, the optimized image can clearly and comprehensively reflect the whole scar information, the resolution of each position of the scar image is very clear, and a basis is provided for a doctor to evaluate the property, maturity and possible healing condition of the scar.

The invention discloses a modulation-based laminated scanning imaging system and an operation method thereof, in a coherent diffraction imaging light path, a modulator with unknown distribution is fixed in front of a CCD (Charge Coupled Device) camera, and complex amplitude information of a measured object and the unknown modulator is reconstructed through a laminated scanning or axial scanning method. The positions of the CCD camera and the modulator are not changed, and the two-dimensional moving table is controlled to move at a certain step length to carry out two-dimensional laminated scanning on the measured object; the positions of the measured object and the modulator are not changed, and the one-dimensional mobile station is controlled to carry out axial lamination scanning on the CCD camera at a fixed step length. And in the algorithm reconstruction process. According to the invention, the modulator is added in an optical path, higher reconstruction precision is obtained, and compared with a CDI algorithm, a fixed precise unknown modulator is added, so that the resolution of coherent diffraction imaging is greatly improved.

The present invention provides a curved transparent object imaging system, wherein a first coupler sends one path of a laser signal to an imaging device, and sends the other path to a third coupler after delay processing; the imaging device irradiates the laser signal to a position on the curved transparent object, and the laser signal is transmitted to the second coupler after passing the position on the curved transparent object; the second coupler converts one path of the laser signal it receives into an optical path electrical signal through a detector and a signal collector, and transmits the other path to the third coupler; some spectral components are coupled at the third coupler to generate an interference optical signal with the maximum light intensity; a processing device determines the detection optical path of the spectral component of the corresponding wavelength according to the moment when the optical path electrical signal is received, and determines the distance between the position on the curved transparent object and the laser signal exit point on the imaging device and the thickness at the position according to the wavelength of the spectral component corresponding to the corresponding interference electrical signal and the determined corresponding detection optical path.

The present invention relates to the field of image processing technology, and in particular to a method for optimizing optical coherence tomography data for scar diagnosis. The method first quantifies the clarity of multiple depth intervals based on the tissue distribution of the first OCT microscopic image data obtained by the first scanning parameter, and then determines the overall image clarity; then, the second scanning parameter determined according to the overall image clarity, the ratio of the area of ​​the non-scar region to the entire scar image area, and the wavelength of the first light source is used to obtain the original OCT microscopic image data of the scar again; the original OCT microscopic image data is preprocessed, and the multiple scar images in the obtained second OCT microscopic image data are fused to obtain an optimized image. This method can make the optimized image reflect the overall scar information more clearly and comprehensively, and the resolution of each position of the scar image is very clear, providing a basis for doctors to evaluate the nature, maturity and possible healing of the scar.

The application relates to the technical field of semiconductor packaging, and discloses a packaging structure for combining and packaging an LED and an IC, which comprises an IC chip and a Micro LED chip vertically combined above the front surface of the IC chip; the IC chip is internally integrated with a driving circuit and has metal welding spots distributed on the top surface and matched with the electrodes of the Micro LED chip; the IC chip and the Micro LED chip form a three-dimensional stacked integrated structure through a metal bonding layer; the physical projection of the Micro LED chip is located in the projection range of the IC chip; the IC chip is provided with a conductive mechanism for leading out signals, and the conductive mechanism comprises surface bumps distributed on the edges of the front surface, vertical conductive columns penetrating the interior, back welding balls on the back surface, back cut positions in the form of slopes on the edges, and a metal coating layer covering the back cut positions and connecting the front circuit and the back welding balls. The application realizes miniaturization of the packaging size and improves display transmittance.

The invention is suitable for the technical field of display screens, and provides a video stream transmission method, an echo method and related components. The video stream transmission method comprises the following steps: acquiring multiple paths of input video streams; performing refresh rate reduction processing on the multiple paths of input video streams to obtain corresponding multiple paths of refresh rate reduction video streams; synthesizing the multiple paths of refresh rate reduced video streams to obtain a to-be-transmitted video stream, N continuous frames of video pictures in the to-be-transmitted video stream being respectively from N paths of sub-video streams, one path of sub-video stream comprising a video picture corresponding to at least one path of refresh rate reduced video stream, and N being a positive integer greater than 1; and transmitting the video stream to be transmitted. According to the embodiment of the invention, the image resolution and the echo quantity during video stream transmission can be guaranteed in a limited transmission bandwidth, and the field echo demand is flexibly supported.

The utility model relates to a single-screen 3D night vision device comprising an objective lens assembly comprising a left objective lens, a right objective lens and a light supplement unit which are arranged in the same direction, the left objective lens and the right objective lens are arranged at interpupillary distance, and the light supplement unit is arranged on the center line of the left objective lens and the right objective lens; the control main board is electrically connected with the left objective lens, the right objective lens and the light supplementing unit; the display screen is arranged behind the objective lens assembly and electrically connected with the control mainboard, the display screen is configured to display a left picture and a right picture in parallel, the left picture is shot by the left objective lens, and the right picture is shot by the right objective lens; the eyepiece assembly comprises a left eyepiece and a right eyepiece; the observation chamber is arranged between the display screen and the eyepiece assembly, the observation chamber comprises a left observation cavity and a right observation cavity which are symmetrically arranged, the left observation cavity and the right observation cavity are independently separated, the left eyepiece observes a left picture through the left observation cavity, and the right eyepiece observes a right picture through the right observation cavity; the areas of the left observation cavity and the right observation cavity are gradually reduced in the direction from the display screen to the eyepiece assembly.

The present invention discloses a polarization image interpolation method based on edge perception, which aims to reduce defects and restore lost polarization information by using an interpolation method. First, the polarization image is pre-processed for denoising to eliminate the problem of low image pixel quality caused by noise. Then, the edge perception weight is calculated for the denoised polarization image, a guide map is generated, and the image is processed by weighted guided filtering using a LOG operator, and then the error is estimated in the diagonal, horizontal and vertical directions. Finally, the intensity error in each direction is used to determine the specific interpolation method to obtain the missing polarization information of each pixel. The present invention fully considers the connection between the flat area and the edge area, improves the accuracy of the reconstructed polarization image, and uses the edge perception weight for processing to obtain a high-quality polarization image.

The utility model discloses a cement raw material high -efficient preheating decomposition device based on waste heat, including decomposition furnace and the material export of setting at the top of decomposition furnace, the bottom of decomposition furnace is provided with flue gas inlet, and the decomposition furnace from top to bottom includes the upper casing, middle casing and bottom cone that are connected in proper order, and the outside of middle casing and bottom cone is provided with the jacket of integral structure, and the bottom of jacket is communicated with lower three times air pipe of tangential, and the upper side of lower three times air pipe is communicated with the material scattering box, and the spiral rod is provided in the jacket, and a plurality of material scattering plates are arranged on the spiral rod, and a plurality of rows of material injection ports are arranged on the upper casing of jacket upper portion, and a plurality of pulverized coal spray guns and upper three times air pipes are evenly distributed in the lower part of middle casing along the circumference, and air cannon is arranged on middle casing and bottom cone, and the air cannon nozzle on middle casing is tangentially arranged, and the air cannon nozzle on bottom cone is arranged obliquely downward. Above all, the utility model has the advantages of not easy to skin, raw material not easy to short circuit, high decomposition rate, and utilization of clinker waste heat.

The application discloses an image reconstruction method, device and equipment, relates to the technical field of medical images, and can adaptively adjust a sampling angle according to the total eccentricity of a to-be-detected object, guarantees that enough effective projection data is collected for image reconstruction, and thus the purposes of keeping image resolution, reducing artifacts and improving image quality are achieved. The method comprises the following steps: acquiring the total eccentricity of the to-be-detected object; determining a target sampling visual angle of the to-be-detected object according to a sampling visual angle corresponding to the total eccentricity of the to-be-detected object in a preset curve, wherein the preset curve records a mapping relationship formed by the to-be-detected object in different total eccentricities and sampling visual angles; scanning the to-be-detected object according to the target sampling visual angle, and reconstructing a tomographic image of the to-be-detected object by using the scanned projection data.

This invention discloses a deep learning-based ultrasound radio frequency data filtering imaging method. The method first proposes a novel ultrasound radio frequency data filtering algorithm for ultrasound simulation imaging—an echo signal selection algorithm based on scattering points. Then, it proposes a deep neural network to learn the target echo signal selection process based on scattering points for ultrasound radio frequency data. The trained deep neural network can effectively suppress interference signals in the radio frequency data, thereby improving ultrasound imaging quality. This data filtering deep neural network can be integrated into a time-delayed beamforming imaging framework to form a novel ultrasound imaging method, namely, a deep learning-based ultrasound radio frequency data filtering imaging method. Compared with time-delayed beamforming methods, this invention can improve the contrast and contrast-to-noise ratio of ultrasound images, exhibiting excellent imaging quality in real-world human imaging examples.

The present invention discloses a developer composition, which comprises an organic amine, a surfactant and an organic solvent, wherein the organic amine is selected from one or more organic amines having a structure of formula I, formula II or formula III. The developer of the present invention can improve the roughness and defects of the straight line edge while ensuring the resolution, thereby expanding the window of the photolithography process by adding a specific organic amine.

The present disclosure relates to the technical field of display, and in particular to a display panel, which comprises a first substrate, a light shielding structure, an electrophoretic structure and a plurality of electrode pairs. The light shielding structure is formed on the first substrate and surrounds to form a plurality of array-arranged containing cavities. A part of the electrophoretic structure is located in each containing cavity, and another part is formed on the side of the light shielding structure away from the first substrate. The electrophoretic structure comprises light-reflecting particles and light-absorbing particles with opposite charges. The electrode pairs correspond to the containing cavities one by one and are configured to apply a plurality of electric fields to the electrophoretic structure. Under a first electric field, the light-reflecting particles move to the side of the light-absorbing particles away from the first substrate, and the light-reflecting particles can shield the side of the light shielding structure away from the first substrate; under a second electric field, the light-reflecting particles move into the containing cavities and are located on the side of the light-absorbing particles away from the first substrate. The display panel in the present disclosure can realize dynamic display of wide and narrow viewing angle switching while improving the transmittance, resolution and display brightness.

The invention discloses a hemispherical charged particle energy analyzer, which belongs to the technical field of charged particle energy spectrum testing, and comprises an inner / outer hemispherical electrode, an electrostatic lens, a deceleration electrode, a detector and a fringe electric field correction electrode, through the arrangement of the inner and outer concentric fringe electric field correction electrodes, the fringe electric field effect of the inner hemisphere electrode and the outer hemisphere electrode can be effectively corrected, and an effective fringe electric field correction effect is realized in different charged particle initial energy and selective passing energy test scenes. The problem that the flight track of charged particles is widened due to the fringe electric field effect is effectively relieved, and the energy resolution of energy spectrum testing is improved. Furthermore, the electrostatic lens adopts an eccentric incidence mode to enable the charged particles to enter the hemispherical deflector from the eccentric position, the eccentric incidence mode can further restrain the problem of broadening of the trajectory of the charged particles, and the energy spectrum resolution is improved.