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181 results about "Eyes vision" patented technology
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Vision is the process by which images captured by the eye are interpreted by the brain, and the visible part of the eye is where the process of sight begins. On the front surface of the eye is the see-through, circle-shaped cornea.
Vehicle intelligent alarming method and device
InactiveCN101391589AImprove securityEfficient detectionPedestrian/occupant safety arrangementSignalling/lighting devicesMobile vehicleMachine vision
The invention relates to an on-board intelligent alarming method and a device, wherein, the method combines a longitudinal anti-collision pre-warning method based on the single-eye vision and an accident automatic help-calling method, realizes preventing the rear-end accidents, strives for helping time, reduces injuries and deaths, effectively prevents the collision accidents and personnel deaths caused by the collision, and improves the running safety of the automobile; the device mainly comprises three parts: an on-board terminal, a monitoring center and a user end; the method and the device use the machine vision technique to differentiate the moving vehicles in the front, have high precision and wide visible range, can effectively probe the obstacles, reduce the error reporting possibility and prevent the collision accidents. The method and the device can improve the safety of the vehicle, thus having extremely large application value and prospect.
Owner:SHANGHAI UNIV
Hand-eye vision calibration method for robot hole boring system
InactiveCN101630409AMeet normal work needsEasy CalibrationImage analysisNavigation instrumentsRobot end effectorActuator
The invention discloses a hand-eye vision calibration method for a robot hole boring system, and the hand-eye vision calibration method comprises the steps of firstly calibrating an origin point of a coordinate system of a tool on an end effector of the robot, that is TCP, establishing a scene coordinate system in a shot plane, then shooting two points in the plane, using the TCP to contact the two points, further obtaining the relationship between an imaging coordinate system of a camera and the scene coordinate system and utilizing the relationship to calculate the position relationship of the TCP in the scene coordinate system. Finally, the position relationship between the TCP and the imaging coordinate system of the camera, that is the hand-eye relationship, is indirectly obtained by taking the scene coordinate system as an intermediate conversion coordinate system. The hand-eye vision calibration method ignores depth information of the camera in the hand-eye relationship and transforms the calibration process into the geometric relationship, the calibration process is simple, the calculation amount is small, an expensive three-coordinate measuring device is unnecessary, and the precision is higher, thereby having higher practical value and being capable of meeting the practical working needs of the robot hole boring system.
Owner:BEIHANG UNIV
Enhancing the performance of near-to-eye vision systems
ActiveUS20190179409A1Wide field of viewHigh image resolutionInput/output for user-computer interactionPrismsEyepieceDisplay device
The majority of applications for head mounted display (HMD) users, irrespective of whether they are for short-term, long-term, low vision, augmented reality, etc. yield a conflicting set of tradeoffs between user comfort and minimal fatigue and strain during use, ease of attachment, minimizing intrusiveness and aesthetics which must be concurrently balanced with and are often in conflict with providing an optical vision system that provides the user with a wide field of view and high image resolution whilst also offering a large exit pupil for eye placement with sufficient eye clearance. Further, individual users' needs vary as do their needs with the general task at-hand, visual focus, and various regions-of-interest within their field of view. To address these issues, it is necessary to provide a high performance optical system, eyepiece design, and system features which overcome these limitations.
Owner:ESIGHT CORP
Backlight unit and 2d/3d switchable image display device employing the backlight unit
ActiveUS20080316596A1Simple structureReduce in quantityAircraft componentsMechanical apparatusLenticular lensComputer science
A 2D / 3D switchable image display device is provided. The device includes an image panel, a backlight unit arranged at the rear side of the image panel, and a lenticular lens sheet arranged between the image panel and the backlight unit. The backlight unit includes a plurality of segment light sources for a left eye vision range which emit a light for a left eye vision range, and a plurality of segment light sources for a right eye vision range which emit a light for a right eye vision range. The segment light sources for the left eye vision range and the segment light sources for the right eye vision range are alternately arranged to form a surface light source. The lenticular lens sheet includes a plurality of semi-cylindrical lenses arranged in a direction perpendicular to a viewing direction of both eyes of a viewer.
Owner:SAMSUNG ELECTRONICS CO LTD
System for real-time identifying urban traffic lights based on single eye vision and GPS integrated navigation system
ActiveCN105930819ARealize identificationRecognition is stable and continuousCharacter and pattern recognitionDistance detectionNavigation system
The invention discloses a system for real-time identifying urban traffic lights based on single eye vision and a GPS integrated navigation system. The system establishes a map of traffic lights in an off-line manner through the methods of interactive image annotation, camera calibration, 3D position recovery, etc., and provides position coordinates and semantic attributes of the traffic lights under the globally positioned GPS coordinate system. Upon online detection, with the established offline map of traffic lights as a prior, an area of interest is determined by solving the substantial scope of the traffic lights in images in combination with the pose position, and the identification of the color segmentation and shapes of the traffic lights are carried out by using form information of the traffic lights in the area of interest. The system is applicable to road conditions and scenarios of different kinds, implements stable and long-distance detection sensing of the traffic lights under various environments. Since the system adopts a low-cost and low-power consumption navigation device, an image acquisition device and a computer platform, the system can be widely applied to the fields of vision navigation of driverless vehicles, vision auxiliary driving of intelligent vehicles, etc.
Owner:XI AN JIAOTONG UNIV
Method for generating three-dimensional image effect and digital video apparatus
InactiveCN101415126AQuality improvementGood 3D visual experienceStatic indicating devicesSteroscopic systemsDigital videoDisplay device
The invention provides a method and a digital video device used for generating three-dimensional image effects; wherein, the device comprises a signal input interface, a backlight and display, a processor, a frame buffer and a backlight controller; the frame buffer is used for loading in left-eye vision image frames and right-eye vision image frames and writing the left-eye vision image frames and right-eye vision image frames into the display; the processor is used for controlling the left-eye vision image frames and right-eye vision image frames to be loaded in the frame buffer, controlling the left-eye vision image frames and right-eye vision image frames to be written into the display, and controlling the left-eye vision image frames and right-eye vision image frames to be displayed on the display; the backlight controller is used for controlling the backlight to be closed during a process when the left-eye vision image frames and right-eye vision image frames are being written into the display, and controlling the backlight to be started in a process when the left-eye vision image frames and right-eye vision image frames are being displayed on the display.
Owner:SHENZHEN TCL NEW-TECH CO LTD
Multi-focus image fusion method based on NSCT (Non-Subsampled Contourlet Transform) and depth information incentive PCNN (Pulse Coupled Neural Network)
The invention discloses a multi-focus image fusion method based on non-subsampled Contourlet transform and a depth information incentive PCNN (Pulse Coupled Neural Network). The method comprises the following steps of generating a low-frequency sub-band image and a series of high-frequency sub-band images after carrying out multi-scale and multidirectional non-subsampled Contourlet transform on input multi-focus source images; adopting edge information energy based on sub-band coefficients to low-frequency sub-bands to obtain low-frequency sub-band coefficients and adopting a modified PCNN model to high-frequency sub-bands to determine each band-pass sub-band coefficient; and lastly, obtaining a fused image through non-subsampled Contourlet inverse transform. The modified PCNN is mainly embodied in that a factor combined with image depth information through adopting SML (Sum-Modified-Laplacian) capable of describing an image direction and texture information well is taken as input of a model, and most of PCNN-based algorithms take pixel gray values as model input items. The method can be well applied to the field of image fusion, and an experimental result shows that a fusion result which more conforms to an eye vision rule can be provided from both the objective evaluation index and the subjective vision effect.
Owner:CHINA UNIV OF MINING & TECH
Circular preferential hyperacuity perimetry video game to monitor macular and retinal diseases
Systems and methods for providing a video game to map macular visual acuity comprising a test where a fixation point is ensured by brief simultaneous presentation of central and pericentral targets. The game may be implemented on a hardware platform including a video display, a user input device, and a video camera. The camera is used to monitor ambient light level and the distance between the device and the eyes of the test subject. The game serves as a macular acuity perimeter that produces a map of the acuity of an eye that may be compared with normative data. The type of acuity tested is preferably Vernier acuity, but resolution acuity can also be tested. The test results are transmitted to a health care professional by telecommunications means to facilitate the diagnosis or monitoring of age-related macular degeneration or other relevant eye diseases.
Owner:GOBIQUITY INC
Cataract imaging apparatus
A method is disclosed for quantifying the extent a cataract impairs vision in an eye having a pupil, an ocular lens, and a retina. The method includes illuminating a localized region of the retina such that light is reflected from the localized region and is transmitted through the ocular lens. A portion of the reflected light is scattered by the cataract associated with the ocular lens. Light reflected from the localized region of the retina is collected, and the amount of scatter is measured so as to quantify the extent the scatter impairs vision of the eye.
Owner:VISUAL PATHWAYS
Intelligent eye vision protection system
The invention relates to an intelligent eye vision protection system which comprises an image pre-processing module A, a face processing module B, an eye region positioning module C, an eye tracking forecast module D, a fatigue state detection module E, a fatigue degree calculation module F, a display equipment backlight brightness control module G and a prompt menu module H. The intelligent eye vision protection system can detect the degree of fatigue of users, automatically micro-adjust the brightness of a display equipment screen, gives a prompt of the current metal state of the users, and reminds the users of having a rest so as to achieve the effect of eye vision protection.
Owner:TPV DISPLAY TECH (XIAMEN) CO LTD
Human visual perception simulation-based self-adaptive low-illumination image enhancement method
ActiveCN105046663AIncrease brightness levelEnhancement effect is goodImage enhancementColor imagePupil
Owner:SOUTHWEAT UNIV OF SCI & TECH
Backlight unit and 2d/3d switchable image display device employing the backlight unit
The invention provides 2D / 3D switchable image display device. The device includes an image panel, a backlight unit arranged at the rear side of the image panel, and a lenticular lens sheet arranged between the image panel and the backlight unit. The backlight unit includes a plurality of segment light sources for a left eye vision range which emit a light for a left eye vision range, and a plurality of segment light sources for a right eye vision range which emit a light for a right eye vision range. The segment light sources for the left eye vision range and the segment light sources for the right eye vision range are alternately arranged to form a surface light source. The lenticular lens sheet includes a plurality of semi-cylindrical lenses arranged in a direction perpendicular to a viewing direction of both eyes of a viewer.
Owner:SAMSUNG ELECTRONICS CO LTD
Method for rapid calibrating hand-eye relationship of single eye vision sensor of welding robot
InactiveCN101053953AMeet the actual work needs of productionReduce calibration errorProgramme-controlled manipulatorWelding/cutting auxillary devicesMotor driveSimulation
The present invention relates to a monocular vision sensor of a welding robot used for the technical field of welding and cutting, and a rapid calibrating method of the relationship between the hands and the eyes of the robot. A minitype CCD camera, the dimming and filtering systems, and a motor driving system of the sensor are arranged on an installation bracket. In the dimming and filtering systems, the dimming lens and the filtering lens are overlapped and arranged on a lens bracket, wherein the connection is realized by means of a movable connecting bar and a driving arm. A driving motor of the motor driving system is connected with a decelerator. The driving arms of the dimming and filtering system are directly connected with an output shaft of the decelerator. In the present invention, the internal and external parameters of the camera are calibrated, at the same time, the world coordinate system is coincident with the coordinate system of the robot, thereby, the denotation of the external parameters of the camera under the world coordinate system is changed into the denotation under the coordinate system of the terminal control point of the welding robot, so as to complete the calibrating of the relationship between the hands and the eyes of the robot.
Owner:SHANGHAI JIAO TONG UNIV
Vehicle mileage calculation method based on double-eye vision
ActiveCN105300403AHigh precisionGuaranteed computing speedDistance measurementReprojection errorVisual perception
The invention belongs to the technical field of autonomous navigation of intelligent traffic vehicles, and particularly relates to a vehicle mileage calculation method based on double-eye vision. The vehicle mileage calculation method comprises the following steps of obtaining a video stream of a double-eye camera which is fixedly arranged at the top part of a vehicle, and transmitting to a vehicular processor; respectively extracting the features of a left image and a right image from the image of each frame of video stream of the double-eye camera, combining with the features of a left image and a right image of the previous frame, and searching a matched feature point set by a feature matching method; according to the matched feature points of the previous frame, using a three-dimensional vision method to calculate the space coordinates of a corresponding three-dimensional point; re-projecting the space coordinates of the three-dimensional point in the previous step to the coordinates of a two-dimensional image of the existing frame, and using a GN iteration algorithm to solve the minimum error of re-projection, so as to solve the motion transformation value of the vehicle of the adjacent frame; according to the motion transformation value of the vehicle, accumulating and updating the mileage information of the vehicle motion. The vehicle mileage calculation method has the advantages that by matching and combining the quick features and the high-precision features, the precision is improved, and the calculating speed is guaranteed.
Owner:TSINGHUA UNIV
Device and method for producing control data for the surgical correction of defective eye vision
ActiveUS20120016351A1Simple definitionEasy to set upLaser surgerySurgical instrument detailsControl dataRefractive index
A device for producing control data for a laser device for the surgical correction of defective vision. The device produces the control data such that the laser emits the laser radiation such that a volume in the cornea is isolated. The device calculates a radius of curvature RCV* to determine the control data, the cornea reduced by the volume having the radius of curvature RCV* and the radius of curvature being site-specific and satisfying the following equation: RCV*(r,φ)=1 / ((1 / RCV(r,φ))+BCOR(r,φ) / (nc−1))+F, wherein RCV(r,φ) is the local radius of curvature of the cornea before the volume is removed, nc is the refractive index of the material of the cornea, F is a coefficient, and BCOR(r,φ) is the local change in refractive force required for the desired correction of defective vision in a plane lying in the vertex of the cornea, and at least two radii r1 and r2 satisfy the equation BCOR(r=r1,φ)≠BCOR(r=r2,φ).
Owner:CARL ZEISS MEDITEC AG
Large exit pupil wearable near-to-eye vision systems exploiting freeform eyepieces
InactiveUS20180045964A1Wide field of viewHigh image resolutionDetails for portable computersOptical elementsEyepieceDisplay device
Within applications for Near-to-Eye (NR2I) displays, irrespective of whether they are for short-term, long-term, low vision, augmented reality, etc., there is a conflicting tradeoff between user comfort, ease of attachment, minimizing intrusiveness and aesthetics which must be concurrently balanced with and are often in conflict with providing an optical vision system within the NR2I display that provides the user with a wide field of view and high image resolution whilst also offering a large exit pupil for eye placement with sufficient eye clearance. Embodiments of the invention address these issues and provide a high performance optical system through the design of the optical eyepiece design to overcome these limitations within a bioptic configuration with laterally disposed displays.
Owner:ESIGHT CORP
Device and method for vision correction
The invention is applicable in the field of vision correction, and provides a device and a method for vision correction. The device comprises an image display mode set unit, a storage unit, an image display control unit, an image output unit and a three-dimensional display, wherein the image display mode set unit presets a plurality of image display modes for guiding an eye vision system of users to perform the movement in multiple directions and at far and near distances; the storage unit is used for storing the image display modes; when receiving image display instructions, the image display control unit acquires the image display modes corresponding to the image display instructions from the storage unit; the image output unit outputs images according to the image display modes acquired by the image display control unit under the control of the image display control unit; and the three-dimensional display displays the images outputted by the image output unit virtually under the control of the image display control unit. The device provided by the embodiment of the invention guides the eye vision system of the users to perform multi-direction, far and near alternating and centralized movement through the images displayed by the three-dimensional display, so that the vision of the users is corrected. The device has the advantages of convenient carrying, low cost and wide application range.
Owner:文齐凤
Design method for cornea contact lens based on wave front technology
InactiveCN102129132AOptimized correction diopterBest fit surfaceOptical partsOptical elementsAnterior corneaExit pupil
The invention provides a design method for a cornea contact lens based on a wave front technology. The method is a technology for obtaining a surface type structure of the cornea contact lens according to an objective measurement data of eye vision light; according to actually measured corneal topography data, optimum spherical or circular fitting is processed for the cornea front surface by MATLAB software programming to design the surface type structure of an optical region on the back surface of the cornea contact lens. The spreading of the wave front that is transmitted to the cornea front surface from the exit pupil plane through a tear lens and a cornea contact lens medium is calculated according to the actually measured wave front aberration data of human eyes based on a diffractive angular spectrum theory so as to obtain the equivalent wave front aberration of the front surface of the cornea contact lens and then fit to figure out the optimum curved surface type of the optical region on the front surface of the cornea contact lens for correcting the wave front aberration of eye; and the optimum sphericity, column degree and parallactic angle of an astigmatism axis of the cornea contact lens are figured out for the cornea contact lens by calculating and fitting the designed surface type structures for optical region on the front and back surfaces of the cornea contact lens.
Owner:NANKAI UNIV
Treatment apparatus for surgical correction of defective eyesight, method of generating control data therefore, and method for surgical correction of defective eyesight
ActiveUS8685006B2Highly focusedReduce datasetLaser surgeryDiagnosticsControl dataSurgical correction
A treatment method and apparatus for surgical correction of defective-eyesight in an eye of a patient, wherein a laser device is controlled by a control device, said laser device separating corneal tissue by irradiation of laser radiation to isolate a volume located within a cornea, wherein the control device controls the laser device to focus the laser radiation, by providing target points located within the cornea, into the cornea, wherein the control device, when providing the target points, allows for focus position errors which lead to a deviation between the predetermined position and the actual position of the target points when focusing the laser radiation, by pre-offsets depending on the positions of the respective target points to compensate for said focus position errors.
Owner:CARL ZEISS MEDITEC AG
Enhancing the performance of near-to-eye vision systems
ActiveUS11132055B2Wide field of viewHigh image resolutionInput/output for user-computer interactionPrismsEyepieceDisplay device
The majority of applications for head mounted display (HMD) users, irrespective of whether they are for short-term, long-term, low vision, augmented reality, etc. yield a conflicting set of tradeoffs between user comfort and minimal fatigue and strain during use, ease of attachment, minimizing intrusiveness and aesthetics which must be concurrently balanced with and are often in conflict with providing an optical vision system that provides the user with a wide field of view and high image resolution whilst also offering a large exit pupil for eye placement with sufficient eye clearance. Further, individual users' needs vary as do their needs with the general task at-hand, visual focus, and various regions-of-interest within their field of view. To address these issues, it is necessary to provide a high performance optical system, eyepiece design, and system features which overcome these limitations.
Owner:ESIGHT CORP
Non-reference stereo image quality assessment method based on deep neutral network
ActiveCN108391121AEfficiently Predict Perceptual QualityImage enhancementImage analysisParallaxFeature extraction
The invention discloses a non-reference stereo image quality assessment method based on a deep neutral network. Through the method disclosed by the invention, a left vision distortion image block anda right vision distortion image block are simultaneously input into a double-flow deep neutral network structure by considering an interaction principle of integration between the left vision and theright vision and parallax information in a multilayer structure of an eye vision system and using a non-reference 3D stereo image quality assessment algorithm based on the deep neutral network in end-to-end double-flow interaction, judgment feature extraction and regression learning are combined as an end-to-end optimization process, thereby achieving an aim of effectively predicting sensing quality of the distortion stereo image.
Owner:UNIV OF SCI & TECH OF CHINA
Lens-free compound eye cameras based on angle-sensitive meta-surfaces
ActiveUS20200321378A1Large depthHigh acuity to motionSolid-state devicesDiffraction gratingsSurface plasmon excitationVisual perception
A lens-free ultrathin imaging sensor using a compound-eye vision modality can be formed by forming a metasurface on each pixel of an array of pixels in a solid state imaging sensor. The metasurface can be configured to form a diffraction grating that directs light incident on the metasurface at a predefined angle to excite surface plasmon polaritons into the solid state imaging sensor and light incident at any other angle is reflected or diffracted away from the metasurface. Each pixel of the imaging sensor can be configured using the metasurface to only receive light incident from a different portion of a field of view. A computational imaging system can be used to construct the image from the individual pixels.
Owner:TRUSTEES OF BOSTON UNIV
Eye degree detection method and mobile terminal
ActiveCN104394252AOvercome forgetting to bring glassesOvercome some unnecessary to carry glasses at all times Users want to see the target clearlyTelephone sets with user guidance/featuresTelephone set constructionsInfraredEyewear
The invention discloses an eye degree detection method and mobile terminal. The method comprises the steps that the mobile phone display screen working state is detected, a background starts a front camera when a display screen is activated; the front camera captures scene information in the mobile phone screen visible range and recognizes whether face information exists in the scene information; when the face information exists in the scene information, the background opens an infrared unit, sends infrared rays to user eyes and completes refraction on the eyes through a retina skiascope; the font size of the mobile phone screen is adjusted according to the eye vision and human faces. The method and the mobile phone have the advantages that the user eye degree can be detected through the retina skiascope, the font size of the mobile phone screen is adjusted according to user eye vision, the defects that some amblyopia patients who forget to carry eyeglasses or users who do not have to carry eyeglasses at any time want to see targets clearly but cannot see the targets clearly are overcome, and the mobile terminal can be used by amblyopia patients conveniently.
Owner:吴浩
Single-eye vision semi-matter simulating system and method
InactiveCN1851618ASolve the problem of difficult simulationInput/output processes for data processingProjection imageRadiology
Said system of the present invention includes virtual imaging unit, picture projection unit and video camera realizing unit. In semi practicality emulation, said method includes: in virtual imaging unit, constructing and configuring virtual scene position stance through OpenGL etc software, through virtual video camera projecting virtual scene to computer screen, then picture projection unit projecting picture to projection plane, through video camera realizing unit to obtain projected picture on projection plane, finally through computer software to calculate virtual video camera inner parameter, virtual scene position stance; through comparing with set value and analysing to obtain emulation result accuracy error. Said invention has advantages of Said invention has advantages of simple equipment, easy realizing, and wide use range, especially suitable for realizing calibrating and vision guided navigation positional emulation.
Owner:BEIHANG UNIV
Method and device for realizing sight line distance measurement and luminance automatic control on laptop
InactiveCN102508517AProtect eyesightSimple structureDigital data processing detailsValue setAutomatic control
The invention relates to a method and a device for realizing sight line distance measurement and luminance automatic control on a laptop. The method is characterized by comprising the following steps: providing a detection signal processing unit connected with a central processing unit (CPU) of the laptop; providing a distance-measurement sensing module, wherein the module collects the distance information of a user and the laptop; when the distance is less than a guarding distance set by the user, controlling a loudspeaker of the laptop by the CPU, and reminding the user in a menu display mode; providing a photoelectric sensing module, wherein the module collects the luminance information of the environment; comparing the luminance information with a luminance value set by the user; automatically controlling a backlight driving circuit of the laptop by the CPU; and controlling the luminance of a display screen. According to the method and the device, a sound is given out to remind and warn the user when the user is too close to the computer to use the computer. Meanwhile, automatic detection can be carried out with the method according to the environment variation to enter an optimal mode luminance range so as to roundly protect the eyesight of the human body. The device has the advantages of simple structure and better practical value.
Owner:TPV DISPLAY TECH (XIAMEN) CO LTD
Stereoscopic image objective quality evaluation method on basis of structural distortion
The invention discloses a stereoscopic image objective quality evaluation method on the basis of the structural distortion, which comprises the following steps: firstly, respectively carrying out regional division on left and right viewpoint images of an undistorted stereoscopic image and a distorted stereoscopic image to obtain an eye sensitive region and a corresponding nonsensitive region and then respectively obtaining evaluation indexes of the sensitive region and the nonsensitive region from two aspects of the structural amplitude distortion and the structural direction distortion; secondly, acquiring quality evaluation values of the left and right viewpoint images; thirdly, sampling singular value difference and a mean deviation ratio of residual images of which singular values are deprived to evaluate the distortion condition of the depth perception of a stereoscopic image so as to obtain an evaluation value of stereoscopic perceived quality; and finally, combining the quality of the left and right viewpoint images with the stereoscopic perceived quality to obtain a final quality evaluation result of the stereoscopic image. The method disclosed by the invention avoids simulating each composition part of an eye vision system, but sufficiently utilizes structure information of the stereoscopic image, so the consistency of the objective evaluation result and the subjective perception is effectively improved.
Owner:NINGBO UNIV
Five-sense-organ and surgical medical data acquisition analysis and diagnosis robot and platform
PendingCN111973152AEfficient analysisEfficient managementUltrasonic/sonic/infrasonic diagnosticsOtoscopesOral diseaseNerve network
A five-sense-organ and surgical medical data acquisition, analysis and intelligent diagnosis integrated robot is a physical examination medical data acquisition and analysis robot platform system built by combining an artificial intelligence robot system with various data acquisition devices and other nodes. The functions of robot voice interaction, arm action interaction, data acquisition, data analysis and the like are achieved in combination with a robot node communication principle by applying a data acquisition technology and data analysis; data such as height, weight, electrocardiogram,blood pressure, oral cavity, ears and eyes are monitored through a camera and various sensors carried on a robot platform; and medical indexes are intelligently detected, wherein the medical indexes include the problems of common oral diseases, ear abnormality, eye vision, ametropia classification and the like. The medical data are classified by using a neural network algorithm, and the problems of eye, ear and oral abnormality and the like are analyzed by using the data analysis technology. The body temperature is measured by using infrared sensing. The medical data are efficiently collectedunder robot voice guidance. Abnormal symptoms are effectively checked and regularly detected, and intelligent physical examination result feedback and regular examination prompting are achieved according to physical standards, analyzed data, intelligent inquiry, remote health inquiry and the like.
Owner:谈斯聪
Robot hand-eye stereo vision measurement method
The invention relates to a robot hand-eye stereo vision measurement method. A target scene is shot from two different directions through an industrial camera installed on an industrial robot end effector. After camera calibration and image preprocessing, conjugate matching points of the two images are searched, and finally three-dimensional reconstruction is carried out according to the conjugate matching points so as to obtain the three-dimensional coordinate of a workpiece surface point. Compared with the currently common stationary industrial robot hand-eye vision measurement, the method provided by the invention can acquire the three-dimensional information of the workpiece rather than a simple two-dimensional coordinate of the workpiece, greatly expands the application of the vision system in industrial robot assembly, sorting and other systems, and has enormous application value and broad application field.
Owner:SHENYANG SIASUN ROBOT & AUTOMATION
Goggles for improved ocular vision
Owner:TECHNION RES & DEV FOUND LTD
Perceptual video compression method based on JND and AR model
InactiveCN101841723AQuality assuranceImprove real-time performanceTelevision systemsDigital video signal modificationPattern recognitionVideo quality
The invention publishes a perceptual video compression method based on a just noticeable distortion (JND) and auto-regressive (AR) model, comprising a texture region dividing algorithm and a synthesis algorithm based on the AR model. The texture region in a video is divided by using the dividing algorithm based on the JND and then the texture region is synthesized by using the AR model. The invention provides a space-time JND model and accurately and effectively divides the texture region. An AR model is designed, which ensures the video quality and greatly improves the real-time performance through simple calculation. A video compression technology in combination with eye vision characteristic is developed, which improves the video compression efficiency and reduces the bit rate.
Owner:SOUTHEAST UNIV
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