23results about How to "Guaranteed resolution" patented technology

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 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 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 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 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 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 utility model relates to the technical field of imaging lighting, and discloses a lighting auxiliary imaging device which comprises a mounting ring, monochromatic light emitters arranged on the mounting ring, a lens located on the top of the mounting ring and a CCD arranged on the top of the lens, the lens and the CCD are both coaxially arranged with the mounting ring, the monochromatic light emitters are evenly arranged in the circumferential direction of the mounting ring at intervals, and the number of the monochromatic light emitters is an even number. Each monochromatic light emitter can move relative to the mounting ring, so that the irradiation position of each monochromatic light emitter can be adjusted, that is, when different scanning pieces are imaged, the irradiation positions of the monochromatic light emitters can be adjusted according to requirements, so that the imaging resolution and the imaging quality are ensured, and the imaging quality is improved. Therefore, the flexibility of the monochromatic illuminator is improved, the problem that the imaging quality of the CCD is affected due to the fact that the illumination position cannot be adjusted is solved, and the imaging quality and the resolution ratio of the CCD are guaranteed.

An optical fingerprint sensing module (300), a display panel (210) and an electronic device (200). The optical fingerprint sensing module (300) comprises: a pixel circuit array comprising a plurality of pixel circuits. The pixel circuit comprises: a light sensing unit (131) and a switching unit (132) connected with the light sensing unit (131), the light sensing unit (131) is used for converting a light signal into an electric signal, the light sensing unit (131) comprises a light receiving surface (302) for receiving light, the switching unit (132) is arranged on a side of the light sensing unit (131) away from the light receiving surface (302), and the light sensing unit (131) outputs the electric signal through the switching unit (132). By arranging the switching unit (132) on the side of the light sensing unit (131) away from the light receiving surface (302), the switching unit (132) provides a space for the light sensing unit (131), so that the size of the light sensing unit (131) can be increased under the premise of pixel resolution, the area of the light receiving surface (302) of the light sensing unit (131) is increased, and then the optical fingerprint sensing module (300) can accurately detect a fingerprint.