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159results about How to "Guaranteed visual effect" patented technology

Wind field visual display method based on three-dimensional virtual globe

The invention relates to a wind field visual display method based on a three-dimensional virtual globe. The wind field visual display method comprises the following steps of (1) automatic meteorological station data access, wherein automatic meteorological station data provided by the weather bureau serve as a data source of wind field data at a server side, and the automatic meteorological station data are imported at regular times in the data form meeting the NetCDF standard; (2) gridding of the wind field data, wherein the acquired automatic meteorological station data serve as discrete point data, and the server side conducts interpolation on the automatic meteorological station discrete point data according to a visual area covered with the wind field; (3) user interactive response, wherein a client side downloads the wind field grid data at specified time and in specified space from the server side according to user interactive operation; (4) wind filed visualization, wherein the client side drives a particle system according to the downloaded wind field grid data, and wind field visualization is achieved by controlling movement of the particles in three-dimensional space. The wind field visual display method based on the three-dimensional virtual globe is good in display effect, efficient to operate and high in instantaneity.
Owner:STATE GRID CORP OF CHINA +2

Electronic luminescent device for simulating true fire and method for simulating true fire by same

The invention discloses an electronic luminescent device for simulating true fire and a method for simulating true fire by the same. The electronic luminescent device comprises an enclosure, a light-emitting element, flame sheets and a swing mechanism, wherein, the flame sheets are movably suspended on the enclosure and comprise upper sheets which are simulated into a flame shape, and the upper sheets are exposed outside the enclosure; the light-emitting element is installed on the enclosure, and the light outgoing direction of the light-emitting element is intersected with the upper sheets so that the light of the light-emitting element is projected on the surfaces of each upper sheet; and the swing mechanism is arranged under the flame sheets and used for applying an acting force on theflame sheets so that the flame sheets sway or swing. By matching the flame sheets with projecting light, the flame sheets sway under the action of the swing mechanism, and the light give off by the light-emitting element is projected on the flame sheets and looks like true flickering flame so that the flame simulated by the luminescent device is closer to the wick flame of the traditional lighting devices such as a true candle, a kerosene lamp and the like, thus further promoting the visual experience of the product and providing the product with more interest and appreciation.
Owner:李晓锋

Integrated system of test detection, management and monitoring and method

The invention provides an integrated system of test detection, management and monitoring and method, which is applicable to the fields of test detection mechanisms and quality monitoring departments. The system is divided into three layers according to the structure, wherein, the first layer is a test data acquisition layer, the second layer is a test business management layer, the third layer is a superior monitoring management layer, and the layers are connected through the network. The system is composes of a video device, a sampling detection instrument, a business management computer, a business database server, a central database server, a monitoring management computer, a printer, data acquisition software, transmission instrument software, business management software and monitoring management software. The invention comprises the following steps: acquiring test data and images; uploading data and image information, receiving, storing and managing test information, generating detection record and report; uploading detection record and report; receiving uploaded information from the laboratory and monitoring and managing. The invention is safe and reliable, simple in installation, easy in operation, and has strong practicability and good development future.
Owner:石庆生 +1

Integrated managing and controlling system and method of mass production enterprise

The invention provides an integrated managing and controlling system and a method of mass production enterprises in transportation construction industry; the system comprises two parts, namely, hardware and software; the hardware includes a plurality of production devices, a plurality of production device terminal computers, a plurality of data collectors, a plurality of controllers, a plurality of video devices, a plurality of dippers or GPS satellite positioning devices, a plurality of service management terminal computers, a plurality of monitoring management terminal machines, a service management server and a monitoring mechanism server; the software includes data collecting software, service management software, monitoring management software, service management database software andmonitoring management database software; the integrated managing and controlling system of mass production enterprises is divided into three layers based on structure; the first layer is a data collecting layer, the second layer is a service management layer and the third layer is a monitoring management layer. The system and the method are scientifically and rationally designed, and creative, not only improve the production automation level and production continuity, but also guarantee the systematicness, visibility and reliability of intelligent operation of the whole production; meanwhile,the system and the method can prevent resource loss, reduce production cost and improve economic benefits.
Owner:石庆生 +1

Display control method and device based on electronic ink screen

The invention discloses a display control method based on an electronic ink screen. The method comprises the following steps: if detecting that content to be displayed comprises a picture and / or a video, judging whether the electronic ink screen is in a 2-level gray scale refreshing mode; if not, controlling the electronic ink screen to be switched in the 2-level gray scale refreshing mode; and carrying out Dither processing on each frame of the picture and / or the video to obtain a 2-level gray scale image of each frame of the picture and / or the video and carrying out refresh display. The invention also discloses a display control device based on the electronic ink screen. Since the refreshing speed of the 2-level gray scale refreshing mode is fast, each frame of the picture and / or the video obtained after Dither processing can be refreshed and displayed quickly, a smooth display effect can be achieved, and the animation effect is good; and through the Dither processing mode, a certain multi-level gray scale image visual effect can be kept under the A2 refreshing mode.
Owner:深圳市博阅科技股份有限公司

Image processing method and device, terminal and storage medium

The invention provides an image processing method and device, a terminal and a storage medium, belonging to the technical field of terminal. The image processing method comprises the following steps:obtaining application interface information of a target application, wherein the application interface information is used for indicating a display element in an application interface of the target application; determining complexity of a scene corresponding to the target application according to the application interface information, wherein the complexity of the scene is the complexity of the display element in the application interface in the time and / or space; determining a frame rate corresponding to the complexity of the scene as a target frame rate according to a first correspondence relationship, wherein the first correspondence relationship comprises a correspondence relationship between the complexity of the scene and the frame rate; and processing an image to be displayed in thetarget application according to the target frame rate. In the embodiment of the invention, the terminal can dynamically determine the corresponding target frame rate according to the complexity of the scene during the video playing process, and power consumption of the terminal is reduced while the visual effect of the video image is ensured, therefore, the endurance cruising ability of the terminal is improved.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Transparent conductive film and manufacturing method therefor, and touch screen

The invention discloses a transparent conductive film and a manufacturing method therefor, and a touch screen. The manufacturing method comprises the steps of performing imprinting on one surface of a transparent insulating substrate by a die to form continuous grooves; coating one surface of the transparent insulating substrate with jelly, and performing imprinting on one surface far from the transparent insulating substrate by a die, and curing to form grooves; filling the grooves with a conductive material to form a conductive layer, namely an internal circuit; forming an external circuit on one surface in contact with the conductive layer; and removing unnecessary conductive materials from the internal circuit and the external circuit according to a preset pattern to form insulating channels and insulating circuits so as to complete the manufacturing of the transparent conductive film. According to the manufacturing method, silk-screen printing and embedded type nanometer imprint are combined, and unified grid filling is used as the universal die; and the die is applicable to multiple types of machines, and only silk-screen printing and laser are needed according to different specifications, so that cost can be effectively lowered and the development period can be effectively shortened.
Owner:SUZHOU WEIYEDA TOUCH TECH +1

Laser obstacle monitoring control system between shield door and train door on subway station platform

The invention relates to a laser detection and control system for barriers between a shield door of a metro platform and a train door, comprising a monitoring unit, a control unit and an alarm unit, wherein, the controller comprises a CPU module, a liquid crystal terminal, a signal isolator, buttons and a safety relay; generating lasers are respectively installed on a front bracket, and a laser receiver or a laser reflection plate is installed on a rear bracket corresponding to the front bracket; the control ends of the generating lasers are connected with the output end of the controller, and the output end of the laser receiver is connected with the input end of the controller; the corresponding output end of the controller is correspondingly connected with the control input end of the shield door; and the corresponding output end of the controller is connected with a buzzer and a caution light of the platform. The laser detection and control system realizes the intelligent operation of judging the existence of barriers between the shield door of the metro platform and the train door, has the advantages of compact integral structure, reasonable cost, easy and convenient installation, simple and intelligent operation, stable and reliable performance, higher practicability and favorable development prospect, and is applicable to metro platform.
Owner:沈阳睿能科技有限公司

Method for visualizing three-dimensional environmental map in virtual reality system

The invention discloses a method for visualizing a three-dimensional environmental map in a virtual reality system. The method includes: S1, acquiring and controlling real environment data of an environment where a target locates; S2, constructing a corresponding three-dimensional environmental map according to the real environment data acquired in real time; S3, acquiring updating incremental data of the three-dimensional environmental map at specified period intervals to obtain increment map data; S4, transmitting the increment map data acquired in real time to a control end, and displaying in the virtual reality system to realize visualization of the three-dimensional environmental map. The method is capable of realizing visualization of the three-dimensional environmental map in the virtual reality system and has the advantages of simplicity in realizing method, low realizing cost, small needed communication bandwidth, flexibility in application environments, good realizing effect and the like.
Owner:NAT UNIV OF DEFENSE TECH

OpenCL-based parallel optimization method of image de-noising algorithm

The invention discloses an openCL-based parallel optimization method of an image de-noising algorithm. According to an idea of image layering, an image is divided into a high-contrast base layer and a low-contrast detail layer by using a combined dual-side filtering algorithm and a combined WLS algorithm; de-noising processing is carried out on the detail layer by using stockham FF; and then image restoring is carried out by changing frequency spectrum contraction and image adding methods, thereby realizing the de-noising effect. According to the invention, on the basis of characteristics of large execution function processing data volume and high data parallelism of the base layer obtaining and detail layer de-noising processing, the openCL platform model is used and parallel calculation of the image de-noising algorithm is realized on GPU; and then details of the calculation process are modified, wherein the modification processing contains local internal memory usage, proper working team size selection, and parallel reduction usage and the like. The speed-up ratio of the de-noising algorithm that is realized finally can reach over 30 times; and thus the practicability of the algorithm can be substantially improved.
Owner:XIDIAN UNIV

Color-enhanced sun lenses, sun glasses and equipment, and manufacturing method thereof

InactiveCN106646917AImprove color perceptionIncreased Saturation and PurityOptical partsOptical elementsPhysicsTransmittance
The invention discloses color-enhanced sun lenses, sun glasses and equipment, and a manufacturing method thereof. A full-dielectric multi-layer membrane stack with two selective transmission cut-off belt characteristics is deposited on the front side of a lens body of each solar lens; the lens body is a lens with a neutral attenuation function; and the solar lens needs to meet: the transmittance of 420nm to 465nm waveband is 10 to 60 percent, the transmittance of 475nm to 505nm waveband is less than or equal to 3 percent, the transmittance of 510nm to 575nm waveband is 10 to 60 percent, the transmittance of 580nm to 610nm waveband is less than or equal to 3 percent, and the transmittance of 615nm to 670nm waveband is 10 to 60 percent. A proper high and low refractive index membrane layer is selected, so that cut-off transmission is conducted at the specific waveband, red, green and blue visible light wavebands are specifically attenuated and transmitted, all the environment representational information, bright and dark information and enhanced color information are acquired, the anomalopia problem is weakened, and the outdoor activity quality and the satisfaction degree of the group are improved.
Owner:杨陈楹 +1

Digital watermark-based electronic bill image anti-tamper method

The invention relates to the field of computer image processing, and provides a digital watermark-based electronic bill image anti-tamper method. The method comprises the following steps of: encrypting digital watermark information and embedding the encrypted digital watermark information into a low-frequency coefficient of a gray scale component of an electronic bill image to be transmitted; extracting the digital watermark information from the received electronic bill image, decrypting the acquired information by using a private key and reconstructing a watermark pattern; and comparing the original watermark pattern with the detected watermark pattern to judge whether the electronic bill image is tampered or not. By the method, the visual effect of a bill is not influenced, the passwordof the bill cannot be leaked, image compression and gray scale processing can be effectively withstood, and the electronic bill image can be effectively prevented from being tampered.
Owner:SUZHOU INSTITUE OF WUHAN UNIV

Electronic illuminating apparatus for simulating real fire

ActiveCN102721002BImprove visual experienceThe effect of simulating real fire is realisticPoint-like light sourceLight effect designsElectricityEngineering
The invention discloses an electronic illuminating apparatus for simulating a real fire. The electronic illuminating apparatus comprises a casing, a luminous element, a flame plate, a first magnet, a coil and a PCB (printed circuit board) main board, wherein a casing through hole is arranged at the top part of the casing; the flame plate is movably supported or suspended on the casing; the flame plate comprises an upper plate for simulating the shape of the flame; the upper plate is exposed at the top part of the casing through the casing through hole; the luminous element is tipsily arranged on the lateral wall of the casing; a ray outlet direction of the luminous element inclines and extends upwards and is intersected with the surface of the upper plate through the casing through hole, so the ray of the luminous element is projected on the surface of the upper plate; the first magnet is arranged at the lower end part of the flame plate; a coil is arranged below the first magnet; the first magnet is opposite to the coil; the PCB main board is electrically connected with the luminous element and the coil, and the flame plate shakes under a magnetic action while the ray emitted from the luminous element is projected on the flame plate and looks like a real flame flickering, so the flame simulated by the illuminating apparatus is more real.
Owner:SHENZHEN LIOWN ELECTRONICS COMPANY

Self-adaptive invisible watermark synchronous detection method based on deep learning

The invention relates to an adaptive invisible watermark synchronous detection method based on deep learning. The method is based on an Adam optimizer, a frame comprises two U-shaped sub-networks anda CNN sub-network, and the two U-shaped sub-networks and the CNN sub-network are respectively a mark network, a detection network and a discriminator. The marking network takes square areas with fixedsizes at four corners of an extracted watermark image as input of the marking network, outputs four residual images with position information, sequentially puts the residual images back to an original image to obtain a marking image, and sends the shot marking image to the detection network during marking detection, so the detection network detects the watermark image; a mask image for displayingthe position of the residual image is outputted so as to determine four corner points of the watermark image, synchronization of the watermark image and the shot mark image is realized by using perspective transformation, and the original watermark image and the watermark mark image are distinguished by using a discriminator. According to the adaptive invisible watermark synchronous detection method based on deep learning, watermark decoding accuracy is greatly improved on the premise of ensuring the visual effect.
Owner:东南数字经济发展研究院

Image display drive method

The invention provides an image display drive method, and the method comprises the following steps: inputting an image; obtaining a brightness component; calculating the mean brightness and the maximum brightness; constructing a segmented linear model; and updating a brightness component. The segmented linear model proposed by the invention just need to perform the linear calculation without the square calculation, thereby reducing the hardware implementation complexity while improving the performances. A mean value of brightness is selected as a segmentation point of low-power-consumption processing, wherein the image details less than the value remain unchanged and the low-power-consumption processing of the remaining parts is performed according to the segmented linear model, thereby reducing the display power consumption while maintaining the visual effect. The display power consumption for processing the obtained image is the minimum under the condition that the visual effect remains unchanged, and the visual effect, compared with NPC and ACSC, is improved by 32.3% and 28.7%.
Owner:ZUNYI NORMAL COLLEGE

Method and device for displaying image

The invention relates to a method and device for displaying an image, and belongs to the technical field of graphical display. The method comprises the steps that target pixel point density is determined according to equipment information of display equipment, the rendering resolution ratio is calculated according to the target pixel point density, image pixels are rendered according to the rendering resolution ratio, and the resolution ratio of the image corresponding to the image pixels obtained through rendering is amplified into the display resolution ratio from the rendering resolution ratio and then displayed in a screen; after the proper rendering resolution ratio is selected, the image obtained after the image pixels are rendered according to the rendering resolution ratio and an image obtained after the image pixels are rendered according to the display resolution ratio have a small visual difference, a large quantity of processing resources and electricity can be saved through the image rendered according to the rendering resolution ratio relative to the image rendered according to the display resolution ratio, and therefore the effects of improving rendering efficiency and saving the processing resources and electricity resources of display equipment on the premise of guaranteeing the visual effect of the image are achieved.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Method for reducing video decoding complexity via decoding quality

This invention discloses a method for reducing complexity of video decode by controlling decode quality including: a video terminal receives video frames and computes balance between labels of the system time of the terminal and the display time of the current frames then to estimate the video decode pressure based on the balance to determine grade of the pressure, controls the decoding quality to the current frames to select simplified algorithm when decoding according to a chroma prior process strategy and an edge prior process strategy to determine the process degree then to decode the video frames.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI +1

Reverse construction method of reversely nailed wood rafter roof boarding of concrete eave of pseudo-classic architecture

The invention discloses a construction method. The flow process of the construction method includes construction preparation; framed bent building; field lofting; installation of wood components including wood rafters, flying rafters and the like; pavement of cement pressure plates; binding of reinforcing steel bars; concreting; maintenance; and framed bent detachment. Traditional woodworking process is combined with modern materials, a steel tube framed bent is used as a support, the finished wood rafters and the finished cement pressure plates are used as mold plates, the reinforced steel bars are bound, roof concrete plates are poured, field lofting of eaves including rafters and flying rafters at corners is realized by the aid of traditional process, the wood components are mounted in advance, the special style of a traditional building is guaranteed, and engineering quality is ensured.
Owner:江苏金土木建设集团有限公司 +1

Video format conversion method of converting YUV444 to YUV420 based on chrominance component amplitude

The invention discloses a video format conversion method of converting YUV444 to YUV420 based on a chrominance component amplitude, and the method comprises the following steps of: (1) inputting a frame of YUV444 video format data to be converted; (2) taking out a 2*2 chrominance component data block which is not converted; (3) calculating an absolute value after respectively substracting 128 from the 4 taken chrominance component data taken out in the step (2) to obtain corresponding chrominance component amplitudes, and sequencing the 4 chrominance component data from largest to smallest according to the chrominance component amplitudes; (4) calculating a normalized weight value, and carrying out weighting average to obtain chrominance component data; (5) repeating the steps from (2) to (4) until conversion of all the 2*2 chrominance component data blocks in the current frame is finished; and (6) combining all luminance component data and the chrominance component data after conversion to form YUV420 format video data. By utilizing the video format conversion method, a YUV420 format video can have a good chrominance visual effect.
Owner:ZHEJIANG UNIV OF TECH

High-voltage transmission line corridor three-dimensional reconstruction method based on Cesium three-dimensional earth framework

The invention provides a high-voltage transmission line corridor three-dimensional reconstruction method based on a Cesium three-dimensional earth framework; the method comprises the steps: firstly obtaining a live-action three-dimensional model and a true shoot image of a high-voltage transmission line corridor region through employing an oblique photogrammetry technology, then building a Cesium three-dimensional earth scene, and completing the loading of the live-action three-dimensional model; based on a tower two-dimensional template image library and a corresponding three-dimensional model library, carrying out template matching on a TDOM to carry out recognition and rough positioning on a tower, and then loading a corresponding tower three-dimensional model in a Cesium three-dimensional earth scene and carrying out interactive correction; extracting parameter information of an insulator on a tower, loading and displaying the parameter information based on a Cetium frame, and completing three-dimensional drawing of a power line in the Cetium frame according to coordinates of same-name line hanging points of two end points of the insulator and in combination with an overhead line catenary equation; and finally, carrying out correction processing on the live-action three-dimensional model. The invention provides a high-voltage power tower line corridor three-dimensional reconstruction scheme with relatively high automation level and precision.
Owner:ANHUI WANBEI COAL REFCO GRP LTD HANSHAN HENGTAI NONMETALLIC MATERIALS BRANCH +2

Lighting device and projection device

The invention provides a lighting device and a projection device. The lighting device includes a light source used for generating blue exciting light, a substrate and a wavelength conversion material layer that covers the substrate, wherein the wavelength conversion material layer is used for absorbing part of the blue exciting light and emitting excited light; color coordinates of the excited light are positioned in a predetermined color region, so that the wavelength conversion material layer emits mixed light consisting of the excited light and the residual blue exciting light which is not absorbed by the wavelength conversion material layer; and color coordinates of the mixed light are closer to predetermined blue light color coordinates than the color coordinates of the blue exciting light.
Owner:APPOTRONICS CORP LTD

Splicing method of UAV-borne high spectral line array remote sensing image

ActiveCN108734685ASolve the problem of small coverageSmall spectral distortionImage enhancementImage analysisSingle imageVisual perception
The invention discloses a splicing method of a UAV-borne high spectral line array remote sensing image. The splicing method comprises the steps of collecting a to-be-spliced high spectral remote sensing image, and selecting and matching feature points of the image; selecting an image transformation model according to the matched feature points and performing image registration so as to acquire a registered image; performing feathering and color balancing treatment on overlapped areas according to the registered image, and embedding based on pixels so as to obtain a spliced high spectral image;and performing geographic registration on the spliced high spectral image according to a plane array ortho-image with geographical coordinates, so as to obtain a high spectral image with real geographical coordinates. Through adoption of the method, the problem that a UAV single image has a small coverage is solved, visual effect is guaranteed and spectral deformation before and after image splicing is small, and the final splicing result has real geographical coordinates.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Space abnormal extreme value unbiased isogram drawing method

The invention provides a space abnormal extreme value unbiased isogram drawing method. Extreme point extracting is carried out on an original sampling point set A, and an extreme point set A' is obtained; extreme points are points with space attribute values higher or lower than all points around in a local neighborhood analysis range; the original sampling point set A is subjected to regular rectangular gridding, and a regular rectangular grid node point set B is obtained; the point set A' and the point set B are merged, and a point set C is obtained; abnormal grid nodes which cause generation of ill-conditioned triangles in the point set C are deleted, and a point set D is obtained; and the point set D is used for establishing a triangular irregular network, and an isogram G is drawn. According to the isogram drawn through the method, a space abnormal center and an extreme value point position are matched, a curve is smooth and attractive, visualization effect is guaranteed, and meanwhile isogram accuracy is improved.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Data transmission method and data transmission system for digital video optical transceiver system

The invention relates to the field of photoelectric communication, and discloses a data transmission method and a data transmission system for a digital video optical transceiver system. According to the data transmission method and the data transmission system, coding redundancy is adjusted according to the error rate, whether or not a forward error correction coding mode is needed and which forward error correction decoding mode of the coding redundancy is adopted are determined dynamically, and accordingly, forward error correction coding / decoding technology based adaptive error detection and correction are achieved. The data transmission method includes receiving video data and information representing the coding redundancy of the video data through an optical fiber; selecting the corresponding forward error correction decoding mode to decode the video data according to the information representing the coding redundancy; calculating the error rate of the decoded video data; adjusting the coding redundancy according to the error rate; according to the adjusted coding redundancy, selecting the corresponding forward error correction coding mode to code the to-be-sent video data; sending the video data and the information representing the coding redundancy through the optical fiber.
Owner:HANGZHOU HIKVISION DIGITAL TECH

Image processing method and device based on neural network and storage medium

The invention relates to an image processing method and device based on a neural network and a storage medium, and the method comprises the steps: obtaining encryption noise according to a first image, a preset secret key and a noise generator; obtaining a second image according to the first image and the encryption noise; and obtaining a related prediction result of image encryption through the second image and the encrypted neural network. In the embodiment of the invention, as the encrypted neural network is only effective for the image encrypted by the preset key, the encrypted neural network cannot be directly applied to the original image under the condition that the structure and parameters of the neural network are stolen, thereby improving the security of image processing; meanwhile, because the encrypted image still maintains the visual effect of the original image, after the original image is encrypted and then distributed to equipment carrying the encrypted neural network,the encrypted neural network can be used for prediction, and the correctness of the prediction result can be further verified according to the encrypted image.
Owner:BEIJING ANDE YIZHI TECH CO LTD

Device and method for driving mini projector

The invention relates to the field of projection display, and discloses a device and a method for driving a mini projector. In the driving device, pixels at specific positions of a front image and a back image are compared, the light quantity of a light source is adjusted according to the comparison result, so that the images in different contrast needs are not always displayed with the highest light quantity, the electricity is saved on the premise of ensuring the visual effect, and the service life of the battery of the portable mini projector is prolonged. Compared with the video image, the still image is displayed by using the driving light source with a higher power; and after the image is segmented, the pixels participating in comparison are randomly selected from each area, so that not only the computation is greatly reduced, but also the accuracy is quite high.
Owner:SHANGHAI SANXIN TECH DEV

Visual restoration method and device for application, storage medium and terminal

The embodiment of the invention provides a visual restoration method and device for an application, a storage medium and a terminal. The method comprises the steps of acquiring configuration information of the application, wherein the configuration information comprises a design comparison table, an original user interface of the application and annotation information of the original user interface, and the original user interface comprises a plurality of element boxes; splitting the element boxes in the original user interface; according to the design comparison table and the annotation information, planning the layout of all the split element boxes in a screen; conducting visual restoration on the application according to the planed layout to obtain a target user interface. By means of the visual restoration method and device for the application, the storage medium and the terminal, the visual restoration of the APP with high fidelity is achieved, the development and maintenance costis low, and the flexibility and universality are high.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Hierarchical processing method of video frames in video playing

This invention discloses a grading-process method for video play including: a video terminal receives video frames, computes balance between labels of the system time and the display time of the received current frames and determines region where the balance locates, analyzes frame head of the current frames to determine their kinds and classifies the current frames based on the balance and the kinds of the video frames, decodes and displays the current video frames and repeats the above mentioned steps to all video frames received by the terminal.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI +1

Enhancement method suitable for a true color remote sensing image

ActiveCN109801233AIncrease global contrastGood image detail retentionImage enhancementPrewitt operatorGray level
The invention discloses an enhancement method suitable for a true color remote sensing image. The enhancement method mainly comprises the following steps: 1, carrying out linear stretching transformation on an input true color remote sensing image; 2, converting the image subjected to linear stretching transformation into an HSI color space; 3, calculating a gradient gray level joint histogram ofthe I component in the HSI color space; 4, adjusting and optimizing the shape of the histogram in a self-adaptive manner according to the statistical characteristics of the gradient gray level combined histogram; 5, remapping the gray value of the I component by using a histogram equalization method to obtain a globally enhanced I component; 6, calculating a gradient difference between the original I component and the global enhanced I component by using a Prewitt operator, and carrying out detail compensation on a gradient descent region of the global enhanced I component to obtain a global and local enhanced new I component; and 7, converting the new I component and the original H and S components into an RGB color space. The true color remote sensing image enhanced by the method is goodin visual effect, real in color and rich in details.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

A low-power image display driving method based on histogram correction

The invention provides a low-power consumption image display driving method based on histogram correction, which comprises the following steps of: inputting an image; obtaining the R, G, B primary color channel histogram in the image, correcting the histogram to get the corrected histogram, matching the histogram of the original image with the corrected histogram, and outputting the matched histogram. The invention not only realizes the power consumption limitation, but also maintains the visual effect. Unlike the traditional algorithm which eliminates all highlight pixels, a low power consumption histogram correction method is proposed in that method, the power consumption is limited by reducing the number of highlight pixels, at the same time, the visual effect is improved by reserving part of highlight pixels, and the histogram matching method is applied to the power consumption limitation of an image for the first time, so that the excellent processing effect is realized; the histogram of the input image is adjusted to a modified histogram shape by histogram matching, which realizes the image processing with low power consumption.
Owner:ZUNYI NORMAL COLLEGE
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