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120results about How to "Does not affect image quality" patented technology
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Flicker detection method and device thereof
ActiveCN101567977ADoes not affect image qualityQuality is not affectedTelevision system detailsColor television detailsFrame differenceWave shape
The invention discloses a flicker detection method and a device thereof and the device can carry out real-time detection without affecting the image quality. The method comprises the following steps of: reading a current frame, and obtaining the vertical waveform of the current frame; carrying out frequency spectrum analysis on the vertical waveform or carrying out frequency spectrum analysis on the difference (frame difference waveform) of the vertical waveform of the current frame and the vertical waveform of the historical frame; if the peak exists on the frequency spectrum, judging whetherthe flicker exists or not according to the approaching degree of the frequency of the peak corresponding point and the theoretical peak frequency point.
Owner:BEIJING VIMICRO ARTIFICIAL INTELLIGENCE CHIP TECH CO LTD
Ophthalmology oct system and ophthalmology imaging method
ActiveCN102438505ASimple structureEasy to operateMaterial analysis by optical meansEye diagnosticsFixation pointImaging quality
The embodiment of the invention discloses an ophthalmology OCT system, comprising a posterior segment intraocular OCT imaging system and an anterior eye segment OCT imaging system. The posterior segment intraocular OCT imaging system comprises a light path conversion device, the anterior eye segment OCT imaging system comprises an anterior eye segment probe imaging device comprising an ophthalmoscope, a first dichroscope and a first lens; wherein, when the ophthalmology OCT system carries out an anterior eye segment scanning imaging, and after the light path conversion device receives a light path conversion instruction, signal light passing through a collimating mirror and a scanning device respectively are converted to the anterior eye segment probe imaging device; the anterior eye segment probe imaging device drives the first dichroscope to reflect the signal light to the ophthalmoscope to carry out the anterior eye segment scanning imaging. Correspondingly, the invention also discloses an ophthalmology OCT imaging method. By employing the invention, when the anterior eye segment imaging is carried out on human eye, fixation points can always be kept clear via refractive compensation, and the anterior eye segment probe imaging quality is not affected.
Owner:SHENZHEN CERTAINN TECH CO LTD +1
Dynamic random mess correction and enciphering-deenciphering method for video frequency information
InactiveCN1617584AImprove securityDoes not affect decodingAnalogue secracy/subscription systemsComputer hardwareVideo transmission
This invention relates to a dynamic random disturbance and cipher-decipher method of the video information characterizing in extracting several key data blocks for disturbance from the video information needing to be ciphered then to recover the disturbed data blocks to the extract position to be mixed with those nonkey data as the ciphered video stream to be output. The de-cipher process is similar to that. The matrix used in disturbance is dynamically generated by pseudo-random sequence, the disturbance matrixes are different to all video frames, security reaches the applied level. This invention can realize standard compressive video information cipher and decipher with hierarchy security.
Owner:WUHAN UNIV +1
Method for realizing screen projection from single PC screen to multiple different device screens
InactiveCN106406789ASharing Convenience and HumanizationIncrease the sense of spaceDigital output to display deviceTerminal equipmentData acquisition
The invention provides a method for realizing screen projection from a single PC screen to multiple different device screens. The method comprises the following steps of (1) deploying screen projection software on a source terminal device to realize screen audio-video data acquisition and reception of a terminal, and sending audio-video data by using an RTSP protocol through H264 standard coding compression; (2) establishing local area network communication between the source terminal device and a display terminal device; (3) providing a display operation interface by the screen projection software, and displaying a searched display terminal device list in a local area network, wherein a user can check a plurality of display terminal devices for output and display; and (4) deploying display software on the display terminal devices to realize search response to the source terminal device, and decoding, displaying and outputting the received audio-video data subjected to the H264 standard coding compression. According to the method, the purpose of projecting screen audios and videos of a terminal to a plurality of terminals for display without a forwarding server in a wireless screen projection application at present is achieved.
Owner:武汉启目科技有限公司
Video authentication method and device
ActiveCN104581431AImprove accuracyQuality impactCharacter and pattern recognitionSelective content distributionComputer hardwareImage area
The invention provides a video authentication method and device. The method comprises the following steps: generating a hash code to be authenticated of a video to be authenticated, and obtaining a reference hash code of an original video of the video to be authenticated, wherein the hash code to be authenticated comprises each frame image for the video to be authenticated, a hash code of each preset region obtained by dividing the image region of the frame image and position information representing the position of each preset region in the frame image, and the generating algorithm of the reference hash code is the same with the generating algorithm of the hash code to be authenticated; for the hash code of each preset region, when the hash code of the preset region is not matched with the hash code of the corresponding preset region in the original video, determining that the preset region is tampered, and determining the tampered position of the video to be authenticated according to the position information of the preset region. The method can improve the robustness of video authentication and accurately position the tampered position.
Owner:深圳科卫机器人科技有限公司
Method and apparatus for enhancing video-signal image
ActiveCN101076079ADoes not affect image qualityTelevision system detailsColor television detailsSharpeningVideo image
The method comprises: in horizontal direction, the filter process is made for the inputted image; according to the scaling parameters, defining a sharpening factor; the sharpening process is made for the filtered image in horizontal direction; after processing, the image is outputted. The invention also reveals a video image enhancing device.
Owner:HUAWEI TECH CO LTD
Map drawing method and device
PendingCN110956673ASmooth displayQuick responseDrawing from basic elementsShaderImage transformation
The invention discloses a map drawing method and device, relates to the technical field of map drawing, and mainly aims to realize map drawing through a WebGL technology and improve the map drawing efficiency. According to the main technical scheme, the method comprises the steps of obtaining map element slices according to image parameters of a to-be-drawn map; converting the intra-slice coordinates of each map element recorded in the map element slices into scene coordinates in a preset scene coordinate system, wherein the preset scene coordinate system is a three-dimensional coordinate system established based on a plane coordinate system after map projection; storing the scene coordinates and the drawing information of each map element recorded in the map element slice into a drawing data storage object, wherein the drawing data storage object is pre-created corresponding to the map element; obtaining a target image transformation matrix based on a preset scene coordinate system; and drawing the to-be-drawn map from the data stored in the drawing data storage objects corresponding to all the map elements through a preset shader in the graphic processor by utilizing the target image transformation matrix.
Owner:BEIJING AUTONAVI YUNMAP TECH CO LTD
Hydrate sediment CT triaxial testing device
ActiveCN109668916AImprove the stability of the scan rotation processHigh temperature control accuracyMaterial analysis using wave/particle radiationMaterial strength using tensile/compressive forcesDecompositionX-ray
The invention provides a hydrate sediment CT triaxial testing device, and belongs to the technical field of geotechnical engineering foundation physical property measurement. Aiming at the deficiencyof the invention of a visualization testing device for natural gas hydrate sediment mechanical properties, the hydrate sediment CT triaxial testing device is subjected to redesigning and optimization,under the premise that the hydrate reservoir static force, the dynamic properties and the creep property can be obtained, the stability in the scanning rotating process of a triaxial apparatus, the hydrate sample temperature control accuracy and the penetrating property of X-rays of a triaxial apparatus pressure chamber are improved, the optimal CT imaging effect is obtained, and powerful hardware support is provided for the verification of the reservoir deformation mechanism in the decomposition process of a hydrate.
Owner:DALIAN UNIV OF TECH
Prostate puncturing mechanism applied to inner part of magnetic resonance imaging machine and working method
PendingCN110236647AGood versatilityAvoid institutional redundancySurgical needlesSurgical robotsObstacle avoidanceAlloy
The invention discloses a prostate puncturing mechanism applied to an inner part of a magnetic resonance imaging machine and a working method. The mechanism comprises an outer needle rotation unit, an inner needle feeding unit and an anti-friction unit, wherein when a prostate puncturing needle is a rigid needle, friction resistance in a puncturing process can be reduced through high-frequency vibration of the anti-friction unit; and when the prostate puncturing needle is a flexible needle, rotation of the flexible needle can be controlled through the outer needle rotation unit, so that guidance and obstacle avoidance are realized. According to the prostate puncturing mechanism disclosed by the invention, by adopting a nonmagnetic or weak-magnetic material such as resin and aluminum alloys, and the prostate puncturing mechanism is not affected by a magnetic field, has a less influence on image quality and has good nuclear magnetic compatibility; and meanwhile, by adopting direct driving of nonmagnetic ultrasonic motors of a variety of forms, motion conversion mechanism is eliminated, and therefore, the prostate puncturing mechanism has the characteristics of being compact in structure, high in displacement controlling property and high in response speed.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Pixel array and head-up display
InactiveCN104238221AStrong penetrating powerDoes not affect image qualityNon-linear opticsOptical elementsHead-up displayImaging quality
Provided is a pixel array. The pixel array comprises a plurality of repeated unit groups. Each repeated unit group comprises a first scanning wire, a second scanning wire, a first data wire, a second data wire, a third data wire, a fourth data wire, at least two first color sub-pixels, at least two second color sub-pixels, at least two third color sub-pixels and at least a fourth color sub-pixel. The first color sub-pixels, the second color sub-pixels and the third color sub-pixels have a first short side and a first long side length respectively. The fourth color sub-pixel has a second short side length and a second long side length. The second long side length is more than the first long side length. The pixel array can raise the penetration rate of a display panel and does not affect the image quality.
Owner:AU OPTRONICS CORP
Unmanned aerial vehicle SAR imaging method and apparatus
ActiveCN109655831AReduce weightReduce volumeRadio wave reradiation/reflectionImaging processingImaging quality
The invention provides an unmanned aerial vehicle SAR imaging method and apparatus for an unmanned aerial vehicle SAR imaging system. The unmanned aerial vehicle SAR imaging system comprises a pre-processing end and a fine processing end. The method comprises the steps of receiving a SAR echo signal, and judging whether extraction of an azimuth pulse signal of the SAR echo signal is needed or not;extracting the azimuth pulse signal of the echo signal to generate a first pulse signal; filtering the first pulse signal or the SAR echo signal, and extracting the filtered signal to generate a second pulse signal; conducting distance FFT on the second pulse signal to generate a distance compression signal; accumulating a plurality of distance compression signals, and conducting azimuth FFT on the azimuth directions of the multiple distance compression signals to generate a preprocessing signal; sending the pre-processing signal to the fine processing end, so that the fine processing end conducts imaging processing on the preprocessing signal to generate a SAR image. By means of two-step processing of the pre-processing end and the fine processing end, the located weight and power consumption of the unmanned aerial vehicle are reduced, and the image quality is also improved.
Owner:INST OF ELECTRONICS CHINESE ACAD OF SCI
Sick bed driving device of magnetic resonance system
ActiveCN101496722AEffect of shimming parametersDoes not affect image qualityDiagnostic recording/measuringSensorsMotor driveImaging quality
The invention provides a hospital bed driving device for a magnetic resonance system. The magnetic resonance comprises a magnet of which the front has an upright post part, and the hospital bed driving device comprises a bracket, side arms and a hospital bed, the bracket comprises bottom edges and two side edges, and can be movably arranged on the upright post part of the magnet and drive the bracket to move up and down through a motor; the side arms can be movably arranged on two sides of the bracket and are driven to move left and right through a motor; and the hospital bed is arranged in the side arms and is driven by a motor to move left and right. Through the up-and-down, front-and-back and left-and-right movements of the bracket, the side arms and the hospital bed, the three-dimension drive of the bed is realized. At the same time, the motors driving the bracket, the side arms and the hospital bed are all arranged on the rear surface of the magnetic and do not move with the hospital bed, thereby avoiding influence on the shimming parameters of the magnet and on the imaging quality of the image of magnetic resonance equipment.
Owner:SIEMENS HEALTHINEERS LTD
Depth of field-increasing microscopic optical system
The invention discloses a depth of field-increasing microscopic optical system comprising a sample stage used for placing samples, a lighting system and a light source which are disposed below the sample stage, a microscopic objective disposed above the sample stage, a tube lens disposed above the microscopic objective, a splitting prism disposed between the microscopic objective and the tube lens or above the tube lens, and at least two imaging elements disposed on the imaging side of the splitting prism, wherein the imaging elements differ in back focal length. According to the invention, the splitting prism is added on the basis of a traditional microscopic optical system, the location of a taken object plant is changed by changing the back focal length of the optical system, and therefore, object planes taken by different imaging elements are in different positions. Under the condition of not affecting the imaging quality, the depth of field is increased, and a high-resolution image of a living body sample or fluid sample can be taken in real time.
Owner:DIRUI MEDICAL TECH CO LTD
Remote forest fire prevention monitoring system and method
InactiveCN111476964ASave data spaceAvoid lagForest fire alarmsCharacter and pattern recognitionData informationServer-side
The invention relates to the field of forest fire prevention and disaster resistance, and specifically discloses a remote forest fire prevention monitoring system and method. The system mainly comprises a monitoring terminal, a server terminal and a user terminal. The monitoring terminal collects image information and data information of a monitoring area, carries out preliminary image processingon the image information, and sends the preliminarily processed image information, data information and monitoring terminal information to the server terminal. The server side performs further image processing on the preliminarily processed image information, obtains an analysis result and alarm information, stores the data information, and sends the alarm information to the user side when the alarm information is generated. The user side extracts the data information and the processed image information, and displays an analysis result and alarm information. Through the system and the method,forest fire early warning information can be obtained more efficiently. Meanwhile, related personnel are reminded to take corresponding prevention measures in effective time, and early warning is carried out in time under the trend of forest fire occurrence conditions.
Owner:NINGBO DAHONGYING UNIV
Photoetching projection objective environment collection control system and control method thereof
InactiveCN104035289ADoes not affect image qualityRealize long-distance transmissionPhotomechanical exposure apparatusMicrolithography exposure apparatusLow voltageMultiple sensor
The invention relates to a photoetching projection objective environment collection control system and a control method thereof, belonging to the field of photoetching projection objective control. The photoetching projection objective environment collection control system comprises a control machine box, a collection driving machine box, an analog-to-digital conversion machine box, multiple actuators and multiple sensors, wherein an optical fiber communication board card is connected with an environmental control algorithm board card through an optical fiber transmission link; an environment collection driving board card is connected with an analog-to-digital conversion board card or an interface conversion card through a digital signal transmission link, and the environment collection driving board card is connected with the multiple actuators through a driving signal transmission link; the analog-to-digital conversion board card is connected with the multiple sensors through a low-voltage analog signal transmission link; the multiple actuators are arranged in a photoetching machine environment cabinet; the multiple sensors are arranged on a photoetching projection objective. According to the photoetching projection objective environment collection control system disclosed by the invention, the regulation time of every regulation is shortened, the accuracy of environmental parameter regulation is ensured, the response time is shortened and the integral property of the photoetching projection objective and a photoetching machine can be ensured.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
Adaptive cold light source
InactiveCN101737659AReduce security risksReduce feverMechanical apparatusElectric circuit arrangementsAnalog to digital conversionPower circuits
The invention relates to an adaptive cold light source, which consists of a case, a power circuit board, a bulb, a light guide bundle connector, a control circuit, a cooling fan, a motor, a shading plate and a video input terminal. A video signal is connected into the control circuit; the video signal is subjected to amplification of a video amplifying circuit and analog-to-digital conversion, and then is analyzed and processed by a CPU to have a maximum value; and by using the value, a motor dimming circuit controls the motor to drive the shading plate to rotate at different angles so as to control the output light intensity through non-shading, partial shading and full shading for the output light, and the output light intensity is adaptively adjusted so as to fulfill the aim of an light-source adaptive camera for luminance requirement and provide luminance required for the camera and a photographed object.
Owner:威海威高医疗系统有限公司
A method for recording and replaying network game
InactiveCN109126130ASave storage spaceDoes not affect game fluencyVideo gamesComputer resourcesSoftware
The invention relates to the technical field of game playback, in particular to a network game recording and replaying method, includes the following steps: a game server obtains game data and scene data in the running process of the game in real time; in response to a playback request from the client, game data and scene data are stored to the client, the client reads the game data and scene data, so that game playback is realized. Compared with the traditional recording software for recording, the method in the invention does not need to occupy additional computer resources, does not affectthe game fluency of the player, has smaller storage space than the video format, does not affect the image quality for playback, and the user can choose whether to save the game data to the local client according to the need.
Owner:宏诚盛世(天津)网络科技有限公司
Video processing method and circuit for reducing data bandwidth
ActiveCN103152571AReduce the amount of read and write dataReduce operating frequencyTelevision systemsDigital video signal modificationHigh resolutionImaging data
The invention provides a video processing method for reducing a data bandwidth. The method comprises the following steps of: when image data is processed and written back into a memory by an image processing circuit, nondestructively compressing the image data by using a nondestructive compression circuit, and writing the image data back into the memory; and when the image data is read from the memory by the next image processing circuit, decompressing the image data by using the nondestructive decompression circuit, and processing the image data. The invention also provides a video processing circuit for reducing the data bandwidth. According to the method and the circuit, a high-resolution screen can be supported under the conditions of no increase of memory frequency and no addition of memory channels, so that a bandwidth required by graphic image processing is greatly reduced.
Owner:FUZHOU ROCKCHIP SEMICON
On-orbit polarization measuring system of satellite-borne imaging spectrometer
InactiveCN103175612AHigh measurement accuracyDoes not affect image qualityLight polarisation measurementFocal plane detectorBeam splitting
The invention discloses an on-orbit polarization measuring system of a satellite-borne imaging spectrometer, and relates to the technical field of space optics. The on-orbit polarization measuring system solves the problem of deterioration of imaging quality due to a depolarization instrument of an existing satellite-borne imaging spectrometer. The on-orbit polarization measuring system comprises an aperture diaphragm, a telescope, an entrance slit, a collimating lens, a Brewster prism, a focus lens, a plane turning mirror and a focal plane detector. An aiming beam enters the telescope via the aperture diaphragm, and is imaged on the entrance slit via the telescope, light which exits from the entrance slit enters the Brewster prism after being collimated by the collimating lens, S-polarized light enters the focus lens after being subjected to chromatic dispersion and polarizing beam splitting by the Brewster prism, is focused by the focus lens, is turned by the plane turning mirror and then is imaged on the area focal plane detector, and the vibration direction of the S-polarized light is parallel to the length direction of the slit. The on-orbit polarization measuring system is applicable to meeting requirements of space remote sensing atmospheric sounding and ocean color exploration.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
Medium-wave refrigeration infrared zoom lens additionally provided with zoom lens group
PendingCN111061050AEasy to disassembleSimple structural designDiffraction gratingsOphthalmologyImaging quality
The invention discloses a medium-wave refrigeration infrared zoom lens additionally provided with a zoom lens group. The zoom lens group which is detachable relative to the zoom lens is additionally arranged on the basis of an original optical system group. The original optical system group comprises a front fixed group, a zoom group, a compensation group, a focusing group and a rear fixed group which are sequentially arranged along an optical axis from an object side to an image side, wherein the zoom lens group comprises a first positive meniscus lens and a second negative meniscus lens which are sequentially arranged along the optical axis from the object side to the image side. According to the invention, focal length amplification can be realized on the basis of the original optical system, and the imaging quality is not affected. The zoom lens group realizes the assembly and disassembly relative to a lens cone though bolts, is simple in structural design and easy to disassemble and assemble, convenient to change the focal length, and capable of meeting different application requirements.
Owner:山东神戎电子股份有限公司
Multilayer film neutral gray scale density filter and manufacturing method thereof
ActiveCN106168692ALow refractive indexGood balance attenuation effectOptical filtersRefractive indexEngineering
Owner:JILIN YANGTIAN PHOTOELECTRIC CO LTD
Hopkinson rod low-temperature experiment device
InactiveCN104913971AEffective coolingImprove insulation effectStrength propertiesEngineeringNitrogen gas
The invention belongs to the technical field of a Hopkinson rod experiment device and particularly relates to a Hopkinson rod low-temperature experiment device, mainly solving the technical problems that an existing experiment device used for a Hopkinson rod has a narrow applicable range, a complicated structure and high cost, and is inconvenient to operate. According to the technical scheme provided by the invention, the Hopkinson rod low-temperature experiment device comprises a nitrogen gas generation device, a heat preservation experiment device and a nitrogen gas guide pipe; one end of the nitrogen gas guide pipe penetrates through a sealing plug of the nitrogen gas generation device so that the end port of the nitrogen gas generation device is located above liquid nitrogen in a liquid nitrogen tank of the nitrogen gas generation device; and the other end of the nitrogen gas guide pipe penetrates through the inlet of the nitrogen gas inlet of a heat preservation shell of the heat preservation experiment device so that the end port of the nitrogen gas guide pipe is located in an inner cavity of the heat preservation shell. The Hopkinson rod low-temperature experiment device has the advantages of wide applicable range, simple structure, low cost and convenience for operation.
Owner:CIVIL AVIATION FLIGHT UNIV OF CHINA
LCD driving mechanism for thin film transistor
InactiveCN1928977AAvoid Dynamic Current WasteLow power consumptionStatic indicating devicesThin-film-transistor liquid-crystal displayLiquid-crystal display
The TFT LCD driver comprises a controller to output latch pulse signal and a grid drive circuit with multiple output ports to output data level according to pulse signal and some switch devices arranged between two near output ports to conduct ports during the vertical blanking period. This invention can prevent the consumption of grid drive circuit without effect to figure quality.
Owner:CHUNGHWA PICTURE TUBES LTD
Video coding method and apparatus
ActiveCN104853208AAffect qualityDoes not affect image qualityTelevision conference systemsTwo-way working systemsVideo encodingComputer graphics (images)
The invention provides a video coding method and apparatus. The method comprises: obtaining pixel information and arrangement information of split screen zones corresponding to all terminal in a mixed video image; dividing a sub video image, corresponding to each split screen zone, of the mixed video image into a same image slice group; carrying out coding on sub video images of all image slice groups to generate coded video image data and sending the coded video image data to all terminals. According to the provided video coding scheme, even though the video image data corresponding to a certain slice group during transmission of the coded video imaged data are lost, only the video image data of one split screen zone corresponding to the slice group are lost; and thus only the quality of the video image of the split screen zone is influenced and the image qualities of other split screen zones are not influenced.
Owner:DATANG MOBILE COMM EQUIP CO LTD +1
Method of eliminating DR image static state grid shadow
InactiveCN105787887ARemove gratingDoes not affect image qualityImage enhancementConvolutionImaging quality
The invention discloses a method of eliminating DR image static state grid shadow. The method is characterized in that a spatial convolution kernel template can be produced, and can be stored in a DR control system; the convolution of the image to be processed can be carried out by using the spatial convolution kernel to acquire the processing result image. The method is used to solve the problems of the prior art such as the quality decreasing of the medical image and the bad influence on the diagnosis of the doctor caused by the grid shadow of the prior art, and the complicated and low-reliability solution, and is advantageous in that the grid shadow can be effectively eliminated, the medical image quality can be improved, and the diagnosis and the treatment of the doctor can be better facilitated.
Owner:CRYSTAL ELECTRONICS TECH LTD
Coding and decoding equipment with watermark encrypting
InactiveCN1976437AEasy to implementVarious formsTelevision systemsImage data processing detailsMpeg standardsComputer science
A coding / decoding device with watermark encipherment is prepared as forming coding device by watermark generator for generating watermark information and coder for carrying out coding according to MPEG standard and for embedding said watermark on, forming decoding device by decoder for analyzing MPEG code stream to pick watermark up and for restructuring decoded image and watermark detector used for judging whether code stream is distorted or not.
Owner:ZHEJIANG UNIV
Preparation of hydrotalcite nanosheet/carbon array/metal/silicon combined electrode and application of hydrotalcite nanosheet/carbon array/metal/silicon combined electrode as non-enzymatic sensor
ActiveCN106290516AImprove conductivityIncrease roughnessMaterial analysis by electric/magnetic meansHydrotalciteElectrochemical detection
The invention discloses preparation of a hydrotalcite nanosheet / carbon array / metal / silicon combined electrode and application of the hydrotalcite nanosheet / carbon array / metal / silicon combined electrode as a non-enzymatic sensor. A substrate material is processed by combining a C-MEMS micro-manufacturing technology and a metal sputtering technology, and the surface of the substrate material is modified with nanosheet to prepare the hydrotalcite nanosheet / carbon array / metal / silicon combined electrode, and non-enzymatic electrochemical sensor is constructed for quantitative determination of glucose. By the metal sputtering technology, electrical conductivity of silicon chip is enhanced, and smoothness and flatness of the surface will not be destroyed, and imaging quality of the subsequent micromachining material will not be influenced. The C-MEMS micromachining technology can be directly applied in preparation of electrochemical devices. The nanosheet exposes more active laminates in comparison with a micron-grade layered material and is self-assembled to cover the surface of the substrate so as to increase roughness and raise catalytic activity. Electrochemical detection shows that the composite material constructed sensor can be used for accurate and quantitative determination of glucose and has good preparation reproducibility and detection stability.
Owner:深圳市容大感光科技股份有限公司 +1
Image printing method and terminal
ActiveCN107835335AHigh color reproductionAccurate distinctionPictoral communicationColor imageColor printing
The invention relates to the field of printing and particularly relates to an image printing method and terminal. The method comprises the steps of S1, obtaining a first color image corresponding to aCMYK color mode; S2, converting the first color image into a second color image corresponding to a CMY color mode; S3, obtaining a point reading code image corresponding to the second color image, wherein a color of a point reading code in the image is black; S4, synthesizing the second color image and the point reading code image to obtain a third color image corresponding to the CMYK color mode; and S5, printing the third color image. The image carrying the point reading code can be printed through utilization of a CMYK four-color printing device which is generally used by a factory.
Owner:DONGGUAN DANGNA PRINTING CO LTD
Camera control method and equipment, and electronic equipment
InactiveCN108259738AReduce power consumptionImprove user experienceTelevision system detailsPower managementCamera controlComputer science
The invention discloses a camera control method and equipment, and electronic equipment. The method is applied to the electronic equipment with a camera, and comprises the following steps: acquiring the current working state of the camera; adjusting the current first sampling rate of the camera to the second sampling rate when the camera is in an on state, and detects that the camera meets the preset sampling rate adjusting condition, wherein the sampling rate adjusting condition at least comprises a sampling rate lowering condition. According to the control method disclosed by the invention,the sampling rate of the camera can be self-adaptively adjusted to lower the power consumption, the performance of the electronic equipment cannot be influenced, and the use experience of the user isimproved.
Owner:ALIBABA (CHINA) CO LTD
Lens protection device and lens protection method
PendingCN112044862ADoes not affect image qualityAvoid pollutionFouling preventionCleaning using gasesEngineeringAir knife
The embodiment of the invention relates to the technical field of automation, and discloses a lens protection device. The lens protection device comprises a transparent shielding piece used for shielding a lens, an air knife component adjacent to the transparent shielding piece, and an air supply system connected with the air knife component, wherein the air supply system provides compressed air for the air knife component, and the air knife component generates an air curtain which blows to the upper part of the transparent shielding piece. The invention also provides a lens protection method.According to the lens protection device and the lens protection method, the lens can be kept in a clean state, and the lens is protected from being interfered by environmental pollution.
Owner:CITIC DICASTAL +1
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