Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

84results about How to "Clear image" patented technology

Endoscope system and observation method using the same

A fluorescent dye/probe that can rapidly identify the presence of disease is efficiently applied in a living organism and optically detected to obtain clear fluorescent images. There is provided an endoscope system and an observation method using the same, comprising agent dispensing means for dispensing towards an acquisition object a fluorescent agent that binds with a specific substance inside the acquisition object or that accumulates inside the acquisition object; control means for controlling the agent-dispensing means; a light source portion for emitting excitation light for exciting the fluorescent agent and irradiation light having different spectral characteristics from the excitation light; an optical system for transmitting the excitation light and the irradiation light towards the acquisition object; and image-acquisition means, disposed at a portion that is inserted inside a body cavity and capable of acquiring fluorescence excited from the acquisition object by the excitation light, and light in a different wavelength band, which is excited from the acquisition object by the irradiation light; wherein the control means controls the agent-dispensing means so that the acquisition object is irradiated with the irradiation light before the fluorescent agent is spouted out towards the acquisition object.
Owner:OLYMPUS CORP

Method for establishing human knee joint three-dimensional simulation model in combination with CT (Computed Tomography) and MRI (Magnetic Resonance Imaging)

The invention relates to a method for establishing a human knee joint three-dimensional simulation model in combination with CT (Computed Tomography) and MRI (Magnetic Resonance Imaging), and belongs to the technical field of medical images. The method comprises six steps of CT image acquisition, MRI image acquisition, data storage, CT two-dimensional image importing and three-dimensional model establishment, MRI two-dimensional image importing and three-dimensional model establishment, and knee joint anatomy simulation model registration and modification. The method combines the advantages of CT and MRI scanning, so that the scanning is convenient and fast, the images are clear, the dissection relation is definite, the density resolution is very high, and the scanning range is very wide. According to the method, two sets of images are registered through a three-dimensional image registration technology, three-dimensional coordinate systems of two types of images are unified by fitting point cloud contours and anatomical feature points of femurs, tibias and fibulas, and registration is performed through a registration module to obtain a double-lower-limb full-length knee joint three-dimensional digital model with structures of bones, cartilages, meniscuses, ligaments, muscle tendons and the like.
Owner:FIRST AFFILIATED HOSPITAL OF KUNMING MEDICAL UNIV

Tunnel cable fault inspection system and method

The invention discloses a tunnel cable fault inspection system and method. The tunnel cable fault inspection system comprises an automatic running inspection vehicle and a locating unit for locating the inspection vehicle, wherein a control unit in wireless connection with a main control center of a control room, a signal acquisition unit for inspecting a cable in a tunnel, an illuminating unit for providing illumination for the signal acquisition unit, and a power supply unit for providing electrical energy are fixedly arranged on the inspection vehicle; the signal output end of the signal acquisition unit is connected with the signal input end of the control unit, the power supply unit is connected with the power ends of the control unit, the signal acquisition unit and the illuminating unit respectively; the signal output end of the locating unit is connected with the control unit. The tunnel cable fault inspection system has a simple structure, can automatically and completely inspect cables without requiring a worker to enter tunnels, can timely find cables with damaged appearance and cables with opened or falling clamps, and can timely maintain the cables to ensure travelling safety. The tunnel cable fault inspection system is suitable for inspecting cables in various road and bridge tunnels.
Owner:HEBEI HUAHENGXIN COMM TECH

Rivet quality grading and automatic sorting system and method

ActiveCN109225915AReduce the impact of external lightClear imageSortingAutomatic controlEngineering
The invention discloses a rivet quality grading and automatic sorting system. The rivet quality grading and automatic sorting system comprises a material conveying device, a detection device, a screening device and an automatic control unit, wherein the material conveying device is used for conveying rivets to the detection device and outputting the detected rivets to the screening device; the detection device comprises a clamping mechanism and an information acquisition mechanism; after the rivets are clamped, a pull rod electronic scale is used for measuring the diameter of a rivet rod and acamera is used for acquiring images of the rivets; an industrial personal computer is used for driving quality grades of the rivets according to the diameter of the rivet rod and an image processingtechnology, recording a quality grade division result and transmitting the quality grade division result to the screening device; the screening device comprises a sorting groove and a sorting barrel,rotating the sorting groove according to the quality grade division result of the rivets and conveying the rivets into the sorting barrel with the corresponding grade. According to the rivet quality grading and automatic sorting system disclosed by the invention, the detection precision can be effectively improved by adopting the pull rod electronic scale and the image processing technology, and different evaluation standards can be selected to finish quality grading and automatic sorting of various types of the rivets; the working efficiency is relatively high.
Owner:SOUTHWEST JIAOTONG UNIV

AOI (Automated Optical Inspection) digital LED (Light-Emitting Diode) light source controller and control method thereof

The invention discloses an AOI (Automated Optical Inspection) digital LED (Light-Emitting Diode) light source controller which comprises a display module, a driving module, a light sensor, a feedback unit and a dimming control unit, wherein the display module is used for displaying an LED light source channel number and a corresponding light source brightness value; the driving module is used for driving light sources so as to enable a plurality of LED light sources to be sequentially switched on; the light sensor is used for receiving light from the LED light sources which are sequentially switched on; the feedback unit is used for generating a plurality of feedback signals on the basis of light receiving signals which are obtained from the LED light sources by the light sensor; and the dimming control unit is used for receiving the plurality of feedback signals and generating a plurality of PWM (Pulse Width Modulation) signals to control the driving module so as to respectively regulate the light emitting quantities of running LEDs. The invention also provides an AOI digital LED light source control method. According to the invention, a PWM constant-current dimming manner is adopted; in the PWM dimming process, forward current conduction time is changed by switching on and switching off the LEDs so as to achieve a brightness regulating effect, ensure sufficient integral brightness and generate more excellent contrast between a feature which needs to be observed and an image feature which needs to be ignored.
Owner:HUIZHOU VNICE ELECTRONICS TECH

Method for detecting damage of first wall of fusion reactor in real time based on optical coherence tomography

The invention discloses a method for detecting damage of a first wall of a fusion reactor in real time based on optical coherence tomography. A detection system comprises a broadband light source, an optical fiber coupler, a self-focusing lens, a detector, an amplifier, a data acquisition unit and the detected first wall. The broadband laser light is divided into two light beams through the 2*2 optical fiber coupler; one light beam is irradiated to a reference mirror and serves as reference light after being reflected; the other light beam is irradiated to the first wall of the fusion reactor and serves as signal light after being reflected by the first wall; an interference signal is generated in the optical fiber coupler by the two light beams; the interference signal is received by the detector and is amplified and processed by a computer to rebuild a real-time three-dimensional depth image of the damage of the first wall; the obtained image is compared with a standard image to visually and conveniently obtain a situation of the damage of the first wall. The invention is based on the optical coherence tomography, is high in resolution ratio and clear in image, and provides a feasible detection method for the damage of the surface and interior of the first wall of the fusion reactor.
Owner:中国人民解放军陆军军官学院

Digitial optical zoom microscope for displaying

The invention provides a digital optical zoom microscope for displaying, which is characterized in that the upper surface of a chassis is fixedly provided with a base plate by a base plate brace; the center above the base plate is fixedly provided with a central post; an objective table is fixed above the base plate and around the central post; a sample rotary table is arranged below the objective table and around the central post; the back of the top end of the central post is fixed with a display brace; an imaging device is fixed in front of the top end of the central post and penetrates through the display brace; an illuminator comprises an indirect illumination light source and a transparent illumination light source; a power supply component and an operation box are arranged below the base plate and on the upper surface of the chassis; a signal processing device is fixed at the back side of the display brace; and a display is arranged above the display brace. A zoom objective lens, an eyepiece lens and a photoelectric detector are arranged horizontally; light paths are deflected 90 degrees downwards by a reflector group; a motor-driven translation reflector prism in the reflector group realizes focusing under the condition of not changing the heigh of the imaging light path, is suitable for clear imaging for samples with different thicknesses, and obviously improves the stability and reliability of the existing products.
Owner:北京全景多媒体信息系统公司 +1

Liquid crystal box of flexible liquid crystal display

The invention provides a liquid crystal box of a flexible liquid crystal display, which comprises an upper flexible conducting base material, a lower flexible conducting base material, a lower PS (poly styrene) support column, an upper PI (polyimide) film, a lower PI film, liquid crystal and border adhesive. The upper flexible conducting base material comprises an upper polarizer, an upper silicon dioxide layer and an upper ITO (indium tin oxide) film which are arranged in sequence; the lower flexible conducting base material comprises a lower polarizer, a lower silicon dioxide layer and a lower ITO film which are arranged in sequence; the upper flexible conducting base material, the lower flexible conducting base material and the border adhesive are adhered and sealed to form a closed cavity; the liquid crystal is filled in the closed cavity; the lower PS support column and the liquid crystal are arranged between the upper flexible conducting base material and the lower flexible conducting base material; the lower PS support column is connected with the lower flexible conducting base material; the lower PI film is covered on the lower PS support column and the lower flexible conducting base material; and the upper PI film is covered on the upper flexible conducting base material.
Owner:深圳市瑞福达液晶显示技术股份有限公司

Super-division model training and face recognition method and device, medium and electronic equipment

The invention relates to the field of face recognition, in particular to a super-division model training and face recognition method and device, a computer readable storage medium and electronic equipment, and the method comprises the steps of obtaining a first high-quality face image sample and a corresponding low-quality face image sample, performing super-resolution reconstruction processing on the low-quality face image sample by the to-be-trained model to generate a corresponding target high-quality face image, and obtaining a first loss function of the to-be-trained model; obtaining identity information, obtaining a second high-quality face image sample corresponding to the identity information, and constructing an image multi-component system; extracting a plurality of face features of a plurality of face images in the face image multi-tuple and calculating a second loss function of the to-be-trained model; and iteratively updating neural network parameters of the to-be-trained model through the first loss function and the second loss function so as to train the super-division model. Through the technical scheme of the embodiment of the invention, the problem of relatively low recognition efficiency of a low-quality face image can be solved.
Owner:杭州网易智企科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products