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45results about How to "Guaranteed imaging clarity" patented technology
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X-ray radiographic digital imaging detection method for power grid GIS (Geographic Information System) equipment
InactiveCN101839870AImprove work efficiencyLarge observable rangeMaterial analysis by transmitting radiationDigital imagingField conditions
The invention relates to a power grid equipment detecting technology, in particular to an X-ray radiographic digital imaging detection method for power grid GIS (Geographic Information System) equipment. The detection method comprises the following steps of: (1) fixing a part needing to be shot; (2) erecting an X-ray apparatus and placing an X-ray sensitization imaging plate; (3) connecting a cable between the X-ray apparatus and a console; (4) connecting a CR (Conditioned Reflex) digital image scanner and a computer by a special data line; (5) setting a shooting parameter of the X-ray apparatus according to the field condition; (6) starting a high-voltage emitting button of the console and carrying out radiographic shooting; (7) reading data to obtain a digital image picture; and (8) processing a shooting result by the computer. An X-ray radiographic digital imaging system of the GIS equipment directly reads data of an IP (Internet Protocol) imaging plate by adopting an advanced CR digital image scanning technology and converts the sensitizing image information on the IP imaging plate into a digital image signal; and compared with the traditional ray film needing a darkroom and the step of developing, the working efficiency is greatly improved.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID QINGHAI ELECTRIC POWER COMPANY
Tinted spraying technology for automobile body
InactiveCN102728531AGuaranteed weather resistanceKeep the glossPretreated surfacesCoatingsManufacturing cost reductionWeather resistance
The invention discloses a tinted spraying technology of an automobile body. The tinted spraying technology comprises the steps of a procedure of pretreatment on the automobile body at an early stage, a procedure of floating coat and tinted finish spraying at a middle stage and a repair procedure at a later stage, wherein the 'tinted finish drying' procedure in the prior art is eliminated in the floating coat and tinted finish spraying procedure at the middle stage; the spraying of tinted finish is adjusted to be performed after 'the floating coat spraying' instead of after the 'finish drying' in the prior art; and the tinted finish as well as a floating coat film is changed into wet-to-wet spraying and is dried in a floating coat drying furnace, so that the procedure special for drying the tinted finish in the prior art is eliminated. According to the invention, on the premise of guaranteeing the long-term performance of weather resistance, gloss, distinctness of image, corrosion resistance and the like, and physical and chemical performance indexes to be equal to the automobile body performance indexes of the original spraying technology, the heating energy consumption and labor consumption of a coating and assembling line are saved, thereby achieving the aims of improving the coating and assembling production capability, lowering the manufacturing cost, and improving the market competitiveness of automobile products.
Owner:郑州日产汽车有限公司
Laser underwater imaged image denoising and enhancing method for ocean exploration
ActiveCN104657948AAvoid block effectIncrease contrastImage enhancementSingular value decompositionWavelet denoising
The invention provides a laser underwater imaged image denoising and enhancing method for ocean exploration, and belongs to the field of image processing and pattern recognition. The core of the method is that at first, noise processing is performed on a laser underwater imaged image by applying SVD (singular value decomposition) and reconstruction in an airspace; then, aiming at the problem that the image has a little noise after SVD processing, wavelet decomposition and reconstruction are performed on the image in a wavelet domain to realize the purpose of wavelet denoising and enhancing; at last, FFT enhancing is performed on the image in a frequency domain to improve the image contrast and effectively keep the image resolution. Experiments show that the method can overcome a blocking effect due to equalization of local histogram equalization, and the image noise is effectively inhibited and the image resolution is kept under the premise that the image enhancement is realized.
Owner:CHONGQING UNIV
Zoom blurred image acquisition method and device based on terminal equipment
ActiveCN110572581AMeet shooting needsGuaranteed imaging clarityTelevision system detailsPicture signal generatorsTerminal equipmentImage acquisition
The invention provides a zoom blurred image acquisition method and device based on terminal equipment, and the method comprises the steps: obtaining a zoom photographing instruction carrying a zoom multiple; judging the size relationship between the zoom multiple and the equivalent zoom multiple of the main camera and the at least one auxiliary camera; according to the size relationship, determining a zoom main camera and a zoom auxiliary camera in the main camera and the at least one auxiliary camera, and determining a photographing mode of the zoom main camera in a preset photographing mode;controlling the zoom main camera to shoot a main image according to the shooting mode, and controlling the zoom auxiliary camera to shoot an auxiliary image; cutting the main image according to the zoom multiple to obtain a zoom main image, and blurring the zoom main image according to the auxiliary image to obtain a blurred main image; and performing background blurring rendering on the zoomingmain image according to the blurring main image to generate a zooming blurring image. The shooting requirements of multiple zoom multiples during shooting of multiple cameras are flexibly met, and theimaging definition after zooming is ensured.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
A method for extracting road characteristics in a high-resolution image
ActiveCN109635748AImprove accuracyThere will be no problem of non-convergenceCharacter and pattern recognitionNeural architecturesGenerative adversarial networkAlgorithm
The invention discloses a method for extracting road characteristics in a high-resolution image. A generator G capable of accurately identifying road characteristics is obtained by optimizing structures of a generator G, a discriminator D and a generative adversarial network V (D, G) and training parameters. In the training process, the difference between the generated sample Pg (x) and the real sample PData (x) is evaluated by using the Waserstein distance, so that the problem of gradient non-convergence of a loss function in the existing KL divergence or JS divergence evaluation can be effectively avoided. The road characteristics obtained through identification of the generator G obtained through the method are closer to the actual situation, and the accuracy is higher.
Owner:CHINA HIGHWAY ENG CONSULTING GRP CO LTD +1
Binocular imaging underwater spectral reflectivity in situ measurement device and method
PendingCN109444056AAttenuation Accurate CompensationTrue Reflected Spectral Radiant EnergyOptical detectionColor/spectral properties measurementsMeasurement deviceTransceiver
The invention discloses a binocular imaging underwater spectral reflectivity in situ measurement device and method. The binocular imaging underwater spectral reflectivity in situ measurement device comprises a binocular spectral imaging subsystem, an underwater broadband-spectrum LED (light emitting diode) light source, a water attenuation coefficient measurement instrument, a control unit, a receiving side optical transceiver, an upper computer and a support, wherein the binocular spectral imaging subsystem is composed of a first underwater spectral imaging instrument and a second underwaterspectral imaging instrument, which are completely identical in parameters and synchronously collect an underwater target spectral image sequence; the water attenuation coefficient measurement instrument is fixed onto the support for measuring the optical attenuation coefficient of waters; the first underwater spectral imaging instrument, the second underwater spectral imaging instrument, the underwater broadband-spectrum LED light source and the water attenuation coefficient measurement instrument are connected with the control unit, the control unit is connected with the receiving side optical transceiver, and the receiving side optical transceiver is connected with the upper computer. The binocular imaging underwater spectral reflectivity in situ measurement device can achieve in situ, quantitative and accurate measurement of the surface spectral reflectivity of an underwater target.
Owner:ZHEJIANG UNIV
Aqueous finishing coat
ActiveCN102220059AReduce pollutionImprove working environmentCoatingsVolatile organic compoundChemistry
The invention discloses an aqueous finishing coat. The aqueous finishing coat is composed of a component A and a component B, wherein the component A is composed of the following components by weight percent: 55-85% of aqueous acrylic emulsion, 5-25% of tinting color, 0.5-2.5% of dispersant, 0.5-2% of defoaming agent, 0.5-2% of base material humectant. 0.5-1% of flatting agent, 0.1-0.5% of rheological additive, 0.1-0.5% of catalyst, 0.5-1.5% of light stabilizer and the balance of deionized water; the component B is an aqueous firming agent; and the weight ratio of the component A to the component B is (2-6) to 1. The aqueous finishing coat provided by the invention realizes the aquosity of the finishing cost for a car coating and the amount of the contained harmful substances is obviously reduced; the harmful substances, such as benzene, toluene, dimethylbenzene, ethylbenzene and the like, are not detected; and the content of VOC (Volatile Organic Compounds) is greatly reduced and the content of the free formaldehyde is obviously reduced. The aqueous finishing coat provided by the invention has the advantages of reducing the pollution on the environment and also improving the work environment of the coating operating personnel.
Owner:时锋林 +1
Automobile rearview mirror and manufacturing method thereof
ActiveCN104827970AMeet the development requirements of lightweightReduce loadDomestic articlesOptical viewingStructural engineeringOptical glass
The invention provides an automobile rearview mirror and a manufacturing method thereof. The automobile rearview mirror consists of a carbon fiber composite material plate with a sandwich structure, and an ultrathin optical glass lens. Under the condition of equal thickness, the rearview lens structure with the innovative design has a lightening effect, and the system load also can be lowered greatly. Meanwhile, the adopted sandwich structure has a certain energy-absorbing effect, so that the composite rearview mirror structure is prevented from being broken easily compared with the conventional rearview mirror. Moreover, the ultrathin optical glass lens is used, so that resistance to gravel impact is realized, and the imaging definition is also ensured effectively. By adopting the novel automobile rearview mirror structure provided by the invention, the defects of various conventional rearview mirrors are overcome, and the performance of light weight and high definition is truly realized. The automobile rearview mirror can be widely applied to various vehicles.
Owner:CHERY AUTOMOBILE CO LTD
Visual underwater box type sampler and control method thereof
PendingCN110411777AReal-time observation and acquisition processImprove underwater imaging qualityTelevision system detailsWithdrawing sample devicesTransceiverUnderwater
The invention discloses a visual underwater box type sampler and a control method thereof. The visual underwater box type sampler comprises a box type sampler, a binocular imaging subsystem, a receiving end optical transceiver and an upper computer. The binocular imaging subsystem comprises two underwater imagers with completely the same parameters. The underwater imagers are symmetrically installed at the left end and the right end of the box type sampler and synchronously collect underwater target object image sequences. An LED light source, an underwater depth measurer and a control unit are installed beside each underwater imager. Each underwater imager, the corresponding LED light source and the corresponding underwater depth measurer are all connected with the corresponding control unit. All the control units are connected with the receiving end optical transceiver. The receiving end optical transceiver is connected with the upper computer. The visual underwater box type sampleris reasonable in structure and easy to operate, and the marine target sample collecting, optical image data collecting and real-time monitoring can be realized.
Owner:ZHEJIANG UNIV +1
Freight unmanned aerial vehicle with obstacle avoidance mechanism
PendingCN113022857AIncrease contact areaPrevent downward penetrationDispersed particle separationFreight handlingAutomotive engineeringObstacle avoidance
The invention provides a freight unmanned aerial vehicle with an obstacle avoidance mechanism, which comprises a vehicle body, a propeller, a supporting rod, an air cylinder, a warehouse, an obstacle avoidance camera and a foot plate, and a water vapor prevention assembly capable of preventing water vapor from permeating is fixedly installed at the position, at the outer end of the obstacle avoidance camera, of the center of the head of the left end of the warehouse in a surrounding mode. The water vapor prevention assembly is composed of a waterproof cover, a water removal assembly capable of absorbing water vapor and a large cavity. According to the freight unmanned aerial vehicle with the obstacle avoidance mechanism, the camera of the unmanned aerial vehicle can have a water vapor prevention function, when the unmanned aerial vehicle carries goods in such places as southern China, water vapor in the air is not prone to intruding into the camera, and the image definition of the camera and the effects of normal obstacle avoidance and safe and smooth goods transportation of the unmanned aerial vehicle are guaranteed.
Owner:陈坤
Injection molding process of precise optical focus lens
PendingCN112873771AUniform temperatureGuaranteed injection molding effectOptical articlesSurface roughnessEngineering
The invention discloses an injection molding process of a precise optical focus lens, which is mainly used for injection molding of a super-large laser radar optical focus lens with the outer diameter of more than 35mm and the thickness of more than 5mm, and is characterized in that in the first stage of the pressure maintaining process, the pressure maintaining pressure is relatively small, the time is short, and plastic cement is slightly cured, the pressure maintaining time from the second stage to the fifth stage is prolonged, the pressure is increased, and the product appearance, size and functional precision are ensured; according to the cooling time, the time for delaying glue melting is set, and the situation that glue is melted after pressure maintaining according to common operation, the plastic cement stays in a gun barrel for a long time and is decomposed and carbonized, and consequently many products are poor in appearance and unstable in size and optical function is avoided; and the product yield obtained through the injection molding process reaches 98% or above, the tolerance precision is small, the surface roughness reaches the nanometer level, and the injection molding process is suitable for production of super-large and thick optical focus lenses.
Owner:无锡鑫巨宏智能科技有限公司
High-energy sparse CT detector, CT detection system and detection method
ActiveCN111157555AReduce the number of rowsGuaranteed accuracyMaterial analysis using wave/particle radiationRadiation intensity measurementComputed tomographyNuclear medicine
The invention discloses a high-energy sparse CT (computed tomography) detector, a CT detection system and a detection method, belongs to the technical field of CT detection, and solves the problems that a CT detection device in the prior art is high in cost, not beneficial to popularization and application of equipment, low in cost, incapable of ensuring imaging precision and the like. The CT detector comprises high-energy detectors and low-energy detectors, the high-energy detectors and the low-energy detectors are arranged in a back-to-back mode, and one low-energy detector is arranged aboveeach high-energy detector; the number of rows of the low-energy detectors is larger than the number of rows of the high-energy detectors, and at least part of the high-energy detectors are distributed in a centralized mode. Part of high-energy detectors of the CT detector are arranged in a centralized mode, the cost is reduced, and meanwhile the imaging precision is high.
Owner:BEIJING HANGXING MACHINERY MFG CO LTD
Iron and steel ladle number identification system based on two-dimensional code technology
PendingCN109101857AImprove recognition rateGuaranteed recognition accuracyData processing applicationsCo-operative working arrangementsProximity sensorDirection detection
The invention discloses an iron ladle number identification system based on two-dimensional code technology, comprising an iron ladle and a vehicle carrier thereof, also comprising a vehicle carrier detection device, an image acquisition device, and an upper compute, wherein the vehicle carrier detect device and the image acquisition device are respectively connected with the upper computer, a metal plate with a two-dimensional code is arranged on the outer side of the iron ladle, the two-dimensional code metal plate is provided with a two-dimensional code corresponding to the iron ladle one by one, the vehicle carrier detecting device is a vehicle traveling direction detecting device or a vehicle traveling proximity sensor, the vehicle travel direction detection apparatus includes a plurality of weight sensors arranged along a vehicle carrier travel route, the vehicle running proximity sensor is an active magnetic steel wheel sensor, the vehicle carrier detection device detects the vehicle carrier running direction and running position signals and transmits them to the upper computer, and the upper computer instructs the image acquisition device to obtain the two-dimensional codepicture and identify the corresponding iron ladle. The invention adopts two-dimensional code to carry out identification, the identification result is reliable, and the method is convenient and safe to use.
Owner:HANGZHOU QIANJIANG WEIGHING TECH
Overhauling robot with rollover prevention function for pipeline overhauling
ActiveCN112628525AGuaranteed stabilityPrevent rolloverLighting elementsSemiconductor devices for light sourcesWireless transmissionEngineering
The invention discloses an overhauling robot with a rollover prevention function for pipeline overhauling. The overhauling robot comprises a bottom frame, wherein mounting plates are arranged at the bottom end of the bottom frame in a bilateral symmetry mode, and electric drive assemblies are arranged at the bottom ends of the mounting plates; a vertical frame and two wireless transmission devices are arranged at the top end of the bottom frame, an image collecting assembly is arranged at the top end of the vertical frame, a storage battery pack and a control assembly are arranged on the bottom wall of an inner cavity of the vertical frame, the control assembly is arranged on the left side of the storage battery pack, and the control assembly is connected with a storage battery, the image collecting assembly, the wireless transmission devices and the electric drive assemblies; and the wireless transmission devices are wirelessly connected with a mobile phone, a tablet personal computer or a notebook computer; According to the whole device, stabilizing frames are matched with pre-tightening assemblies to tightly abut against the inner cavity wall of a pipeline, so that the stability of the whole device driven by the electric drive assemblies to walk in the pipeline is guaranteed, the occurrence of rollover phenomenon can be effectively prevented, the control difficulty of the whole device can be greatly reduced, and it is guaranteed that overhauling work is smoothly conducted.
Owner:ZIBO VOCATIONAL INST
Optical system with small zoom, large image plane and large aperture
The invention provides an optical system with a small zoom, a large image plane and a large aperture, which can solve the technical problems of small image plane, low definition, small aperture, incomplete confocal infrared rays and the like. The optical system comprises a first lens group, a diaphragm, a second lens group, a third lens group, an optical filter and a photosensitive chip which aresequentially arranged from an object plane to an image plane; the focal length of the third lens group is a negative value, and the third lens group is fixed relative to the photosensitive chip; the focal length of the first lens group is a negative value, and the first lens group can move back and forth along the object image direction relative to the photosensitive chip; the focal length of thesecond lens group is a positive value, and the second lens group can move back and forth along the object image direction relative to the photosensitive chip; the second lens group comprises a fourthlens, a fifth lens, a sixth lens, a seventh lens, an eighth lens and a ninth lens which are sequentially arranged along the object image direction; and the fourth lens and the ninth lens adopt glass aspheric lenses.
Owner:UNION OPTECH
Site safety monitoring device
ActiveCN110312062AReasonable arrangementIncrease freedomTelevision system detailsColor television detailsDrive wheelCooling effect
The invention discloses a site safety monitoring device. The device mainly comprises a middle plate, a perspective cover, an image capturing module, a brush frame and an assembling shell. A bottom frame is fixedly mounted on the outer wall of the edge of the bottom end of the middle plate; the perspective cover is rotationally mounted at the lower part of the bottom frame; the assembling shell isfixedly installed in the middle of the middle plate, a middle pipe base is fixedly installed in the middle of the inner side of the assembling shell, the image capturing module is rotatably installedon the inner side of the middle pipe base, a second motor is fixedly installed on the left portion of the inner side of the assembling shell, and a driving wheel is fixedly installed on a motor shaftof the second motor and is in meshed connection with the image capturing module. The device is reasonable in structural design, high in assembly flexibility and capable of well completing assembly corresponding to wall surfaces or supports with different inclination angles; the front-end equipment is good in degree of freedom and large in monitoring range; the front-end equipment light supplementing equipment is reasonable in arrangement, moves along with the camera, guarantees the image capturing definition of the camera, is good in cooling effect, and guarantees the service life of a heatingpart.
Owner:新唐信通(浙江)科技有限公司
Self-adjusting sun-shading system for intelligent security camera
ActiveCN112261251AAvoid affecting lightingGuaranteed imaging clarityTelevision system detailsColor television detailsEngineeringMechanical engineering
Disclosed is a self-adjusting sun-shading system for intelligent security camera. The system comprises a shell, the side wall of the shell is fixedly connected with a camera, the upper end of the shell is provided with a sliding plug cavity, the inner wall of the sliding plug cavity is slidably connected with a magnetic sliding plug, the side wall of the magnetic sliding plug is fixedly connectedwith a sun shield, and the sun shield penetrates through the side wall of the shell; the side wall of the magnetic sliding plug is elastically connected with the inner wall of the sliding plug cavitythrough a spring, an iron core is fixedly connected to the inner wall, away from the spring, of the sliding plug cavity, and a spiral coil is wound around the side wall of the iron core. The temperature of the thermal expansion liquid rises, then the thermal expansion liquid expands to push the conductive sliding block to slide on the inner wall of the U-shaped cavity, and when the conductive sliding block slides to make contact with the resistance plate, the conductive sliding block, the conductive plate and the spiral coil form a closed loop at the moment, so that current passes through thespiral coil, and a magnetic field is generated on the spiral coil; and then the magnetic sliding plug is pushed to slide, and the sun shield is pushed to slide out to carry out sun shading treatment on the camera.
Owner:浙江翔路科技有限公司
Zoom optical system applied to monitoring
The invention provides a high and low-temperature, infrared confocal and ultra-high-definition zoom optical system applied to monitoring. The zoom optical system comprises a first lens set, a second lens set, a diaphragm, a third lens set, a fourth lens set, a fifth lens set, a light filter and a light-sensitive chip, wherein the second lens set and the fourth lens set are capable of moving forwards and backwards along an object image direction; the third lens set comprises a seventh lens, a ninth lens and a tenth lens which are successively arranged from an object surface to an image surface;the fifth lens set comprises a twelfth lens and a fourteenth lens which are successively arranged from the object surface to the image surface; and the seventh lens, the ninth lens, the tenth lens, the twelfth lens and the fourteenth lens adopt plastic aspherical lenses. According to the zoom optical system, the lens layout is reasonably considered; most of the lenses adopt plastic aspherical lenses, so that the cost is greatly reduced.
Owner:UNION OPTECH
Super thin reflective projection display imaging method and objective lens based on free camber
This invention discloses a kind of extra-thin reflection type projected display imaging method based on free curved surface and object lens. It has concave catopter, convex catopter, convex catopter, object plane and image surface in proper order. The merit of the invention are: 1) adopting free curved surface imaging method , three part reflection type Zernike polynomial free curved surface forms short focal distance bigger, relative apertures bigger fields of view angle imaging , rectifying optical aberration much better and its structure is simple; 2) adopting the reflection structure without optical lens, has removed the effect of various chromatic aberration , guarantee the imaging articulation; 3) adopt the design of short focal distance big fields of view angle, focal distance 8 - 15 mm, field of view angles 100 -135 degree, having 120 times multiplications under 250 mm imaging distance, having ultra-thin characteristic property; 4) adopting big relative apertures design ,the relative aperture is 2.0-2.4, having improved the illuminance of flat surface; 5) adopting image space telecentric imaging method , ensures that the image surface irradiance is homogeneous.
Owner:ZHEJIANG UNIV
Optical fingerprint collector
InactiveCN1246801CShorten the lengthSmall sizePerson identificationCharacter and pattern recognitionOptoelectronicsPrism
Optical fingerprint collector is composed of light source, prism, lens, image sensor and case. The collector also includes reflector of light source and reflector of image. Angle between normal direction of reflector of image and direction of emergent light is within 150 degree to 165 degree. Under precondition of ensuring imaging sharpness, the invention reduces size of optical fingerprint collector so as to suit situation such as fingerprint lock needed of small size and sharpness.
Owner:苏州孔雀信天游电子有限公司
Double ccd scanning imaging detection method for surface defects of continuous casting slab
InactiveCN104020177BImprove accuracyHigh degree of automationOptically investigating flaws/contaminationLaser transmitterCcd camera
The invention discloses a dual-CCD (Charge Coupled Device) scanning imaging detection method for continuous casting slab surface defects. The dual-CCD scanning imaging detection method comprises the following steps: (1) mounting a linear array CCD camera, an area array CCD camera and a linear laser transmitter on a continuous casting slab; (2) scanning by the linear array CCD camera and the area array CCD camera according to a synchronous frame frequency and line frequency manner to obtain a two-dimensional image and a three-dimensional image of the surface of the continuous casting slab; (3) registering the acquired two-dimensional image and three-dimensional image; and (4) carrying out information fusion processing on the registered two-dimensional image and three-dimensional image in one area on the surface of the continuous casting slab, analyzing area-of-interest features of the two images, and extracting a final area-of-interest to be identified on the surface of the continuous casting slab by combining the feature fusion processing result of the two images, thus reserving reliable defect information of the surface of the casting slab and detecting the surface defects of the continuous casting slab. According to the dual-CCD scanning imaging detection method provided by the invention, the structure is simple and convenient; the method is high in detection precision, great in real-time property and capable of automatically eliminating interference information.
Owner:CHONGQING UNIV
Radiographic detection method for complex steel castings with different thicknesses
PendingCN114018957AGuaranteed imaging clarityEasy transillumination imaging operationMaterial analysis by transmitting radiationEngineeringMechanical engineering
The invention discloses a radiographic detection method for complex steel castings with different thicknesses, and belongs to the technical field of ray detection of the steel castings, the method is realized based on a radiographic detection device for the complex steel castings with different thicknesses, and the radiographic detection device for the complex steel castings with different thicknesses comprises a detection frame, mounting cross beams are arranged on the front side and the rear side of the upper end of the detection frame, a mounting shaft is fixedly connected to the centers of the mounting cross beams on the two sides, and a fixed end plate is fixedly connected to the position, close to the front end, of the outer surface of the mounting shaft.The fixed end plate and the rotating end plate are arranged, and the rotating end plate rotates, so that the imaging film located at the imaging position of the bottom of the workpiece containing bin can be adjusted, continuous transillumination imaging operation can be conveniently conducted, the X-ray incidence position is adjusted for multiple transillumination imaging through the ray transillumination mechanism, and therefore the imaging definition of different positions of the complex steel castings with different thicknesses is guaranteed, and the detection efficiency and the detection effect are greatly improved.
Owner:重庆建工无损检测工程有限公司
Dark light image processing method and terminal equipment based on convnets
ActiveCN110971837BReduce data volumeAchieve clear imagingTelevision system detailsColor television detailsImaging processingComputer graphics (images)
The invention relates to the technical field of image processing, and provides a ConvNets-based dark-light image processing method and terminal equipment. The method includes: preprocessing the original image data; inputting the preprocessed original data into a convolutional neural network model for feature enhancement; performing channel rearrangement processing on the output data of the convolutional network model to generate the The image corresponding to the above raw data. The invention can reduce the amount of data processed by the convolutional neural network model, reduce power consumption and increase the imaging speed under the premise of ensuring the imaging definition.
Owner:TCL CORPORATION
An epid control device for a medical electron linear accelerator
ActiveCN107789747BGuaranteed image qualityGuaranteed imaging clarityX-ray/gamma-ray/particle-irradiation therapyControl cellElectron linear accelerator
The invention discloses an EPID control device for a medical electron linear accelerator. The EPID control device comprises a carrying mechanism for mounting an EPID on the medical electron linear accelerator, a central position detecting unit, and a control unit connected with a host computer. The carrying mechanism is provided with an adjusting mechanism for mounting the EPID and driving the EPID to move horizontally or vertically. The adjusting mechanism is provided with a driving component equipped with a position feedback unit. The central position detecting unit is disposed at a centralposition corresponding to the EPID and below the EPID, is configured to detect whether the EPID moves to a central position. The driving component and the position feedback unit of the adjusting mechanism and the central position detection unit are all connected to the control unit. The EPID control device can automatically correct the central position of the EPID, and can fine adjust the centralposition of the EPID to ensure the accuracy of the central position and accurately position the EPID.
Owner:NEUSOFT MEDICAL SYST CO LTD
A field safety monitoring device
ActiveCN110312062BReasonable arrangementIncrease freedomTelevision system detailsColor television detailsDrive wheelCooling effect
Owner:新唐信通(浙江)科技有限公司
A low-energy sparse CT detector, CT detection system and detection method
ActiveCN111157556BReduce the number of rowsGuaranteed accuracyMaterial analysis using wave/particle radiationRadiation intensity measurementComputed tomographyNuclear medicine
Owner:BEIJING HANGXING MACHINERY MFG CO LTD
A pixel structure, display panel and display device
ActiveCN106094200BCorrect distortionGuaranteed imaging clarityOptical elementsDisplay deviceDistortion ratio
The invention provides a pixel structure, a display panel and a display device, and belongs to the technical field of display. The pixel structure is applied to a display device included in an optical imaging system. The optical imaging system further includes an optical system. An image displayed on the display device is amplified by the optical system and then projected to the pupils of a viewer. The pixel structure comprises multiple pixel units. The position of each pixel unit on a display panel forms a first preset relation with the offset center of the pixel unit, the offset of the pixel unit and the pixel coordinate of the pixel unit, wherein the offset center corresponds to the distortion center of the optical system, and the offset corresponds to the distortion ratio of the optical system. When a display device with the pixel structure provided by the invention and a corresponding optical system form an optical imaging system, the display device can effectively compensate the distortion of the optical system and guarantee the imaging resolution of the optical imaging system.
Owner:NINGBO THREDIM OPTOELECTRONICS CO LTD
Compensation method for focal length inconsistency after switching cameras day and night
ActiveCN103293829BGuaranteed imaging clarityOptical filtersCamera body detailsLight filterMaterials science
The invention discloses a compensation method for inconsistency of focal length after day and night switching cameras, the day and night switching camera includes a lens and an optical filter switching mechanism, and the optical filter switching mechanism is provided with a visible light filter and an infrared optical filter. The compensation method is to make the thickness of the visible light filter greater than the thickness of the infrared filter, and the distance that the visible light filter shifts the back focus of visible light is greater than the distance that the infrared filter shifts the back focus of infrared light. The back focus distance difference caused by the film compensates the back focus difference caused by the lens, so that the back focus distance of visible light and infrared light are consistent. The invention skillfully utilizes the difference in thickness between the visible light filter and the infrared filter, and uses the back focus deviation caused by the filter to compensate the back focus deviation caused by the lens, so that the back focus of the visible light and the infrared light are consistent. In this way, without the need for focusing, the imaging clarity of the day and night switching camera can also be guaranteed.
Owner:SHANGHAI RUISHI MACHINE VISION TECH
A Noise Removal and Enhancement Method for Laser Underwater Imaging Image Used in Ocean Exploration
ActiveCN104657948BAvoid block effectIncrease contrastImage enhancementSingular value decompositionWavelet denoising
The present invention proposes a method for denoising and enhancing laser underwater imaging images for marine detection, which belongs to the field of image processing and pattern recognition. Noise processing is performed on the image; secondly, in view of the problem that some noise still exists in the image after SVD processing, wavelet decomposition and reconstruction are performed on the image in the wavelet domain to achieve the purpose of wavelet denoising and enhancement; finally, FFT is performed on the image in the frequency domain Enhance, improve image contrast and effectively maintain image clarity. Experiments show that the method of the invention can effectively overcome the block effect caused by local histogram equalization, realize image enhancement, effectively suppress image noise and maintain image clarity.
Owner:CHONGQING UNIV
Method for intelligently generating orders and intelligent vending machine after merging images collected from multiple perspectives
ActiveCN113727029BGuaranteed imaging clarityImprove experienceTelevision system detailsCharacter and pattern recognitionImaging processingComputer graphics (images)
The invention belongs to the technical field of image processing, and solves the technical problem that in the prior art, the clarity of goods in the shopping videos of intelligent vending machines changes continuously and affects the final detection results, thereby forming abnormal orders and causing poor user experience, and provides a multi-functional An intelligent order generation method and an intelligent vending machine for merging images collected from perspectives. Including: obtaining the first main video and each first sub-video of the product area, as well as the second main video and each second sub-video, replacing the image area corresponding to the main video with each sub-video, and obtaining the first target video and the second target video, merging the first target video and the second target video, analyzing each frame image of the synthesized target video, obtaining the target commodity used for production order information, and generating commodity order information. In the present invention, sub-videos are used to replace low-definition image areas in the main video, so as to ensure the clarity of commodities in each frame image of the target video, and improve detection accuracy and user experience effects.
Owner:YOPOINT SMART RETAIL TECH LTD
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