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51 results about "Motion extraction" patented technology
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Image Acquisition Method and Apparatus
InactiveUS20070296833A1High quality imagingTelevision system detailsCharacter and pattern recognitionMotion detectorAcquisition apparatus
An image acquisition sensor of a digital image acquisition apparatus is coupled to imaging optics for acquiring a sequence of images. Images acquired by the sensor are stored. A motion detector causes the sensor to cease capture of an image when the degree of movement in acquiring the image exceeds a threshold. A controller selectively transfers acquired images for storage. A motion extractor determines motion parameters of a selected, stored image. An image re-constructor corrects the selected image with associated motion parameters. A selected plurality of images nominally of the same scene are merged and corrected by the image re-constructor to produce a high quality image of the scene.
Owner:FOTONATION LTD
Method and apparatus for processing video frame
ActiveUS20090059002A1Color television detailsClosed circuit television systemsVideo processingFeature data
A surveillance video processing method including selecting at least one target object from a surveillance area, capturing image information of the surveillance area, detecting motion has occurred in the surveillance area using the captured image information, extracting feature data of an object causing the detected motion, comparing the extracted feature data of the object causing the detected motion and feature data of the at least one target object, and determining whether or not to perform a recording operation for recording the captured image information based on a result of the comparing step.
Owner:LG ELECTRONICS INC
Personal-oriented multimedia studio platform apparatus and method for authorization 3D content
InactiveUS20100033484A1Simple processRealistic imageCathode-ray tube indicatorsImage data processing detailsComputer graphics (images)3d image
There is provided a personal-oriented multimedia studio platform apparatus. A plurality of users to share multi-media objects by providing a function of authoring 3-Dimensional (3D) objects using a common-use camera instead of expensive mechanism for acquiring a 3D image, providing robust interaction with a user by means of augmented reality implementation and an automatic user motion extraction function, and allowing a user to receive a content object from a remote server.
Owner:ELECTRONICS & TELECOMM RES INST
Sensor data extraction system, sensor data extraction method, and computer-readable storage medium having sensor data extraction program stored thereon
InactiveUS20140172132A1Ensure effective applicationPhysical therapies and activitiesPower managementData matchingData ingestion
A sensor data extraction system of the present invention includes an exercise data obtaining section which obtains exercise data related to an exercise status of a human body, an extraction condition specifying section which specifies an extraction condition for extracting a portion required for analysis processing using the exercise data, from among the exercise data obtained by the exercise data obtaining section, a data extracting section which extracts exercise data matching the extraction condition from among the exercise data obtained by the exercise data obtaining section, a data transfer section which transfers the extracted exercise data from the exercise data obtaining section, and a data analyzing section which performs the analysis processing by using the exercise data transferred by the data transfer section.
Owner:CASIO COMPUTER CO LTD
Apparatus for image recognition
InactiveUS20090279738A1Highly-accurate mannerHighly accurate object recognition of objectImage analysisAnti-collision systemsPattern recognitionObject based
An image recognition apparatus includes an image recognition unit, an evaluation value calculation unit, and a motion extraction unit. The image recognition unit uses motion vectors that are generated in the course of coding image data into MPEG format data or in the course of decoding the MPEG coded data by the evaluation value calculation unit and the motion extraction unit as well as two dimensional DCT coefficients and encode information such as picture types and block types for generating the evaluation values that represent feature of the image. The apparatus further includes an update unit for recognizing the object in the image based on the determination rules for a unit of macro block. The apparatus can thus accurately detect the motion of the object based on the evaluation values derived from DCT coefficients even when generation of the motion vectors is difficult.
Owner:DENSO CORP
Six-freedom remote control arm with gravity compensation and length regulation
The present invention relates to data arm mechanism for remote operation job of robot. The data arm mechanism is one mechanical arm with six rotating joints, and each of rotating joints is provided with one potentiometer as angle sensor. The data arm has gravitational compensation mechanism and may be worn by operator for leading motion or may be drawn to required state without being worn, and it may stop in any position without need of auxiliary outside force. The data arm has length regulating mechanism for person of different arm length to wear. The present invention can detect the rotation angles of total six freedoms of the shoulder joint, elbow joint and wrist joint of the operator, and is suitable for control platform of remote operated robot and for being worn onto arm of the operator.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Image processing apparatus and method, and image pickup apparatus
An object of the present invention is to enable the detection of a mixture ratio indicating the mixture state of a plurality of objects, such as a background image and a moving object image. A normal-equation adder 541 extracts mixed pixel data according to a motion, and also extracts background pixel data corresponding to the mixed pixel data so as to generate relational expressions for a designated pixel. A normal-equation calculator 542 detects the mixture ratio indicating the mixture state of the objects based on the relational expressions. The normal-equation adder 541 generates the plurality of relational expressions based on a first approximation in which foreground object components change substantially linearly, and a second approximation in which the mixture ratio changes substantially linearly. The present invention is applicable to a signal processing apparatus for processing images.
Owner:SONY CORP
Road load test method and system
ActiveCN105092261AAccurate Fatigue Life PredictionImprove fatigue durabilityVehicle testingIn vehicleDecomposition
The invention discloses a road load test method and system. The method comprises the steps of: with a sample vehicle running on roads on a test site, extracting an original road load spectrum; filtering the original road load spectrum, and obtaining the road load spectrum which has been filtered; based on a multi-body dynamics automobile model and in accordance with road load spectrum which has been filtered, obtaining the road load spectrum for carrying out the simulation through virtual iteration technology; through load decomposition, obtaining load data at each preset connection point of the vehicle body and a chassis; and based on the load data, calculating a first fatigue endurance value of each preset connection point. The method can obtain the actual original road load spectrum on different test sites, and based on the actual original road load spectrum, can calculate the fatigue life value, and can further predict a more accurate fatigue life of the vehicle, which can effectively increase the fatigue endurance of the vehicle body and provide the effective basis for the optimization and improvement of a vehicle structure in vehicle design.
Owner:BAIC MOTOR CORP LTD
Vibration wave motor
InactiveUS20060267416A1Piezoelectric/electrostriction/magnetostriction machinesMachines/enginesElastic vibrationEngineering
Provided is a vibration wave motor including a pressurizing mechanism and a guide mechanism which are used for a moving member and can be thinned. The influence of a restoring force can be eliminated. The vibration wave motor includes an elastic vibration member which is composed of a permanent magnet and a piezoelectric element which are fixed to each other, a plurality of motion extraction portions provided on the permanent magnet, and a moving member which is pressurized to be in contact with the plurality of motion extraction portions. A closed magnetic circuit of a magnetic flux is formed to connect between the elastic vibration member and the moving member through the plurality of motion extraction portions. A flow direction of the magnetic flux passing through the moving member is aligned with a moving direction of the moving member.
Owner:CANON KK
Graphic system comprising a pipelined graphic engine, pipelining method and computer program product
InactiveUS20050030316A1Reduce probabilitySimple circuitTelevision system detailsPicture reproducers using cathode ray tubesGraphicsGraphic system
A graphic system includes a pipelined graphic engine for generating image frames for display. The pipelined graphic engine includes a geometric processing stage for performing motion extraction, and a rendering stage for generating full image frames at a first frame rate for display at a second frame rate. The second frame rate is higher than the first frame rate. A motion encoder stage receives motion information from the geometric processing stage, and produces an interpolated frame signal representative of interpolated frames. A motion compensation stage receives the interpolated frame signal from the motion encoder stage, and the full image frames from the rendering stage for generating the interpolated frames. A preferred application is in graphic systems that operate in association with smart displays through a wireless connection, such as in mobile phones.
Owner:STMICROELECTRONICS SRL
Content based image recognition method
InactiveCN1691054ASolving Classification PuzzlesCharacter and pattern recognitionContour matchingFeature vector
A image recognition method based on content comprises steps: take grid division to the image; take the grid nodes as initial position to make region growing and obtain skin color information around all nodes of image; use grid cell zone and the mechanism that all nodes vote each other to determine interesting points and zones of image; based on the interesting points and zones, use the movement of points to extract soma contour; finally, extract contour information and local information inside contour to form eigen vector, recognize the image and decide its nature. The invention overcomes problems of low speed, efficiency and strong dependency of device existed in sensitive image recognition techniques such as, color histogram matching, wavelet transformation contour matching, skin color texture description, and image central moment matching, solves the classification of three-points type swim-suit image, nude image and people face image, makes the sensitive image recognition technique further expanded, and exploit its bright application future.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI
Vibration wave motor
InactiveUS7425770B2Piezoelectric/electrostriction/magnetostriction machinesMachines/enginesElastic vibrationEngineering
Provided is a vibration wave motor including a pressurizing mechanism and a guide mechanism which are used for a moving member and can be thinned. The influence of a restoring force can be eliminated. The vibration wave motor includes an elastic vibration member which is composed of a permanent magnet and a piezoelectric element which are fixed to each other, a plurality of motion extraction portions provided on the permanent magnet, and a moving member which is pressurized to be in contact with the plurality of motion extraction portions. A closed magnetic circuit of a magnetic flux is formed to connect between the elastic vibration member and the moving member through the plurality of motion extraction portions. A flow direction of the magnetic flux passing through the moving member is aligned with a moving direction of the moving member.
Owner:CANON KK
Motion Extraction Device and Program, Image Correction Device and Program, and Recording Medium
InactiveUS20110135206A1Reduce search timeImage enhancementTelevision system detailsBroyden fletcher goldfarb shannoImage correction
An image correction device is provided with a CPU (22). The CPU (22) calculates the square values of the differences between pixel values of a transformed frame image In+1 and pixel values of a frame image In at the identical coordinates thereof each time predetermined values are set in the amount of translation and the amount of rotation, respectively, and a first transform frame image is generated; integrates the square values corresponding to all identical coordinates, where at least the transformed frame image In+1 and the frame image In overlap, so as to derive the error function; searches for the minimum value of the derived error function by using the Broyden-Fletcher-Goldfarb-Shanno (BFGS) method; and extracts the affine transform parameters, which are obtained at the minimum value of the error function, as the amount of change of the frame image In+1 relative to the frame image In.
Owner:NAT UNIV CORP SHIZUOKA UNIV
Skeleton motion extraction method by means of optical-based motion capture data
InactiveCN1766831AAccuracy is not affectedLow accuracy requirementsDigital data processing detailsImage data processing detailsMotion captureComputer science
The invention discloses a bone sport extracting method based on the sport capture data of the optics which comprises the following steps: estimating the articulation central location by the sign point location, constructing the bone system which is crudity matched with the capture object, establishing bone partly coordinates on the bone system, computing the initial bone sport data by the bone partly coordinates, establishing the bone system and the virtual sign point system which is matched with the capture object, separating the bone chain on the bone system, establishing the distance function between the sincerity and the virtual sign and doing distance minimum optimization, updating the virtual sign point coordinates, obtaining the result when the distance between the virtual sign point and the real sign point is stabilized.
Owner:烟台惠通网络技术有限公司
Motion estimator and motion estimating method thereof
InactiveUS20070009038A1Color television with pulse code modulationColor television with bandwidth reductionMotion vectorMotion generation
A motion estimator and motion extracting method are provided for dividing a current frame into a plurality of blocks and estimating a motion comparing a current block with a previous frame. The motion estimator includes a mean motion estimation unit for computing a mean motion vector based on motion vectors of surrounding blocks adjacent to the current block, a line motion generation unit for generating a line motion vector in a predetermined search area based on motion vectors of horizontal blocks of the current block, and a motion vector selection unit for selecting and outputting one of the mean motion vector and the line motion vector as a final motion vector of the current block based on a mean motion expectation error value in accordance with the mean motion vector and a line motion expectation error value in accordance with the line motion vector.
Owner:SAMSUNG ELECTRONICS CO LTD
Image Acquisition Method and Apparatus
ActiveUS20110115928A1Television system detailsColor television detailsMotion detectorAcquisition apparatus
An image acquisition sensor of a digital image acquisition apparatus is coupled to imaging optics for acquiring a sequence of images. Images acquired by the sensor are stored. A motion detector causes the sensor to cease capture of an image when the degree of movement in acquiring the image exceeds a threshold. A controller selectively transfers acquired images for storage. A motion extractor determines motion parameters of a selected, stored image. An image re-constructor corrects the selected image with associated motion parameters. A selected plurality of images nominally of the same scene are merged and corrected by the image re-constructor to produce a high quality image of the scene.
Owner:FOTONATION LTD
Method and apparatus for processing video frame
ActiveUS8922649B2Television system detailsCharacter and pattern recognitionVideo processingFeature data
A surveillance video processing method including selecting at least one target object from a surveillance area, capturing image information of the surveillance area, detecting motion has occurred in the surveillance area using the captured image information, extracting feature data of an object causing the detected motion, comparing the extracted feature data of the object causing the detected motion and feature data of the at least one target object, and determining whether or not to perform a recording operation for recording the captured image information based on a result of the comparing step.
Owner:LG ELECTRONICS INC
Digital Photographing Apparatus, Method for Controlling the Same, and Computer-Readable Medium
InactiveUS20110157383A1Same brightnessTelevision system detailsColor television detailsPoint spread functionShort exposure
A method of controlling a digital photographing apparatus successively photographs one short exposure image and a plurality of long exposure images. A global motion of each of the long exposure images is compensated based on the one short exposure image. A Point Spread Function (PSF) of each of the one short exposure image and the long exposure images are extracted. A shake correction image is extracted through a repeat estimation by determining an initial value of the repeat estimation based on the one short exposure image and the long exposure images and using each PSF.
Owner:SAMSUNG ELECTRONICS CO LTD
Multi-scattering point micro-motion extraction method based on ISAR image
ActiveCN105629233AFast and effective micro frequencyEfficient extractionRadio wave reradiation/reflectionTime domainComputational physics
The invention provides a multi-scattering point micro-motion extraction method based on an ISAR image. The multi-scattering point micro-motion extraction method is characterized in that S1, a plurality of strong scattering points of the ISAR image in a same range cell can be selected; S2, a frequency domain signal of each strong scattering point can be extracted in a windowing manner, and can be changed into a time domain signal; S3, the phases of the time domain signals can be extracted, and according to the least square method, a phase change curve caused by three-order polynomial fitting rotation, and a micro-motion phase change curve can be acquired after the rotation compensation of the time domain signal by using the phase change curve, and echo data can be acquired after the rotation compensation according to the phase change curve; S4, the micro-motion frequency of the echo data after the rotation compensation can be estimated by adopting the cosine phase model and the simulated annealing algorithm. By adopting the above mentioned method, the micro-motion frequencies of the plurality of scattering points can be effectively and quickly extracted, and the wide application prospect can be provided.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Action analysis device
InactiveCN103942544AEasy to adjustInput/output for user-computer interactionCharacter and pattern recognitionFeature extractionComputer science
A motion analysis apparatus is provided that enables an analysis result presentation quantity to be easily adjusted. A motion analysis apparatus (300) is an apparatus that performs analysis of motion subject to comparison (compared motion) by means of comparison with standard motion, and has a motion feature extraction section (321) and motion extraction section (322) that determine a location where a degree of difference between a motion subject to comparison and a standard motion satisfies a predetermined condition, a presentation quantity input section (323) that receives a specification of a presentation quantity of locations that satisfy the predetermined condition, and a motion extraction degree adjustment section (324) that adjusts the predetermined condition so that a quantity of locations satisfying the predetermined condition becomes the specified presentation quantity.
Owner:PANASONIC CORP
Graphic system comprising a pipelined graphic engine, pipelining method and computer program product
ActiveUS20070285430A1Reduce probabilitySimple circuitPicture reproducers using cathode ray tubesPicture reproducers with optical-mechanical scanningGraphicsGraphic system
A graphic system includes a pipelined graphic engine for generating image frames for display. The pipelined graphic engine includes a geometric processing stage for performing motion extraction, and a rendering stage for generating full image frames at a first frame rate for display at a second frame rate. The second frame rate is higher than the first frame rate. A motion encoder stage receives motion information from the geometric processing stage, and produces an interpolated frame signal representative of interpolated frames. A motion compensation stage receives the interpolated frame signal from the motion encoder stage, and the full image frames from the rendering stage for generating the interpolated frames. A preferred application is in graphic systems that operate in association with smart displays through a wireless connection, such as in mobile phones.
Owner:STMICROELECTRONICS SRL
Image processing apparatus and method, and image pickup apparatus
An object of the present invention is to enable the detection of a mixture ratio indicating the mixture state of a plurality of objects, such as a background image and a moving object image. A normal-equation adder 541 extracts mixed pixel data according to a motion, and also extracts background pixel data corresponding to the mixed pixel data so as to generate relational expressions for a designated pixel. A normal-equation calculator 542 detects the mixture ratio indicating the mixture state of the objects based on the relational expressions. The normal-equation adder 541 generates the plurality of relational expressions based on a first approximation in which foreground object components change substantially linearly, and a second approximation in which the mixture ratio changes substantially linearly. The present invention is applicable to a signal processing apparatus for processing images.
Owner:SONY CORP
Apparatus for image recognition
InactiveUS8238606B2Highly accurate object recognition of objectHighly-accurate mannerImage analysisAnti-collision systemsMotion vectorRadiology
An image recognition apparatus includes an image recognition unit, an evaluation value calculation unit, and a motion extraction unit. The image recognition unit uses motion vectors that are generated in the course of coding image data into MPEG format data or in the course of decoding the MPEG coded data by the evaluation value calculation unit and the motion extraction unit as well as two dimensional DCT coefficients and encode information such as picture types and block types for generating the evaluation values that represent feature of the image. The apparatus further includes an update unit for recognizing the object in the image based on the determination rules for a unit of macro block. The apparatus can thus accurately detect the motion of the object based on the evaluation values derived from DCT coefficients even when generation of the motion vectors is difficult.
Owner:DENSO CORP
Online feedback hand-eye calibration method based on weighted least square method
ActiveCN111203881AHigh precisionEasy to calculateProgramme-controlled manipulatorAlgorithmCalibration result
The invention discloses an online feedback hand-eye calibration method based on a weighted least square method. The calibration method comprises the steps of carrying out the online obtaining of calibration information, determining the position of a calibration plate through automatic analysis, guiding a mechanical arm to move, and extracting the calibration information of hand-eye calibration; weighting the two-step method hand-eye calibration through Parzen window estimation, and solving the two-step method hand-eye calibration by using a least square method; and finally, performing error calculation on the calibration result, accurately judging whether the calibration result meets the calibration precision or not according to the reconstruction distance error, and if not, returning to continuously obtain the calibration information online until the calibration result meeting the precision is obtained. According to the calibration method, the calibration information can be automatically collected, the influence of manual intervention on the calibration result is reduced, the accurate and reliable hand-eye calibration result is obtained through online feedback, and the hand-eye calibration precision is improved.
Owner:HEBEI UNIV OF TECH
System and method for human gait analysis
The present invention relates to a computer-implemented method, a computer program product and a computer system (100) for human gait analysis. Via an interface (110) of the system, a video stream (202) is obtained from a monocular camera device (201). The video stream (202) includes a plurality of frames reflecting the walk of a human individual (10). A skeletal motion extractor (120) of the system extracts from the video stream a skeletal motion associated with the individual, by inferring, from the obtained video stream, three-dimensional gait information. The three- dimensional gait information includes the estimation of the individual's joint locations including at least the individual's foot locations on each frame, wherein the estimation is derived by matching for each frame two-dimensional coordinates of the respective frame with respective three-dimensional model information of the individual's body. A gait parameter determining module (130) of the system determines one or more gait parameters of the individual based on the individual's foot locations in local extrema frames showing local extrema of the distance between one foot location of the individual and a corresponding reference joint location.
Owner:LINDERA GMBH
Motion estimator and motion estimating method thereof
Owner:SAMSUNG ELECTRONICS CO LTD
Wearable miniature position sensor
PendingCN107843184ASimple structureReduce volumeElectric/magnetic position measurementsUsing electrical meansCapacitancePrinted circuit board
The invention discloses a wearable miniature position sensor, and the sensor comprises a sealing layer, a printed circuit board layer and a support buffering layer, wherein the sealing layer, the printed circuit board layer and the support buffering layer are sequentially stacked from the top to the bottom. The printed circuit board layer is provided with a radiator circuit, and the radiator circuit comprises an access port for signal access, a grounding port for grounding, a capacitor connected between the access port and the grounding port, a coil in parallel connection with a capacitor, andan oscillator connected to the access port. The grounding port and the access port are connected to a coupling cable. Based on the circuit structure of the sensor, the near-field distribution of thesignals of a cable is achieved through the oscillator and the coil. The sensor can achieve the radiation at two bands which are far from each other, is simple in structure, and is small in size. The radiation distance can reach 1m, and the sensor can meet the test demands of the field of motion extraction.
Owner:CHENGDU SIWUGE TECH CO LTD
Mechanical fault diagnosis method based on vision
The invention discloses a mechanical fault diagnosis method based on vision. The invention relates to the field of mechanical fault diagnosis. According to the mechanical fault diagnosis method basedon vision, vibration signals of a fault rolling bearing are obtained based on vision, and the fault type is determined. According to the technical scheme, diagnosis is carried out according to the following steps that (1) a video image sequence of a running mechanical fault bearing serves as input, and the local amplitude and the local phase of local motion are obtained; 2) motion extraction is carried out according to the obtained local phase; 3) empirical mode decomposition is carried out; 4) an intrinsic mode function is calculated to obtain a correlation coefficient, 5) an envelope spectrum is drawn, and 6) the fault characteristic frequency of the bearing fault is calculated. The vibration measurement technology based on the vision is low in cost, high in flexibility, capable of remote measurement and the like, and thus can be widely applied, and the vibration measurement method based on the vision has significance in future research and development.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Six-freedom remote control arm with gravity compensation and length regulation
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Digital photographing apparatus, method for controlling the same, and computer-readable medium
InactiveUS9007471B2Television system detailsColor television detailsPoint spread functionShort exposure
A method of controlling a digital photographing apparatus successively photographs one short exposure image and a plurality of long exposure images. A global motion of each of the long exposure images is compensated based on the one short exposure image. A Point Spread Function (PSF) of each of the one short exposure image and the long exposure images are extracted. A shake correction image is extracted through a repeat estimation by determining an initial value of the repeat estimation based on the one short exposure image and the long exposure images and using each PSF.
Owner:SAMSUNG ELECTRONICS CO LTD
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