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181 results about "Computer vision algorithms" patented technology
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Computer Vision Algorithms. Algorithms are what make computer vision possible and best for many tasks is currently a convolutional neural network. This is a form of deep learning that attempts to mimic how the brain understands objects in images.
Optical methods for remotely measuring objects
A class of measurement devices can be made available using a family of projection patterns and image processing and computer vision algorithms. The proposed system involves a camera system, one or more structured light source, or a special pattern that is already drawn on the object under measurement. The camera system uses computer vision and image processing techniques to measure the real length of the projected pattern. The method can be extended to measure the volumes of boxes, or angles on planar surfaces.
Owner:MICROSOFT TECH LICENSING LLC
System and method for detecting, tracking and estimating the speed of vehicles from a mobile platform
A method and system for measurement of ground based vehicle speed includes a movable platform that includes an unmanned aerial vehicle (UAV) located in proximity to a roadway, the UAV operates under control and navigation of a UAV control unit, and the UAV also carries camera and monitoring equipment, the camera and monitoring equipment including an onboard computing system, and a camera with a wide angle lens and a camera with a telephoto lens, the cameras being mounted on a pan / tilt device. An algorithm operated by the on-board computing system is used to detect and track vehicles moving on a roadway. The algorithm is configured to detect and track the vehicles despite motion created by movement of the UAV. The cameras mounted on the pan / tilt device are moved under the direction of the computer vision algorithm to maintain a target vehicle of the detected moving vehicles in view, and the speed of the target vehicle is measured.
Owner:CONDUENT BUSINESS SERVICES LLC
Method for augmenting transaction data with visually extracted demographics of people using computer vision
InactiveUS8010402B1Effectively measure performance of their FLM strategyIncrease profitSpecial data processing applicationsMarket data gatheringFeature vectorTransaction data
The present invention is a system and framework for augmenting any retail transaction system with information about the involved customers. This invention provides a method to combine the transaction data records and a customer or a group of customers with the automatically extracted demographic features (e.g., gender, age, and ethnicity), shopping group information, and behavioral information using computer vision algorithms. First, the system detects faces from face view, tracks them individually, and estimates poses of each of the tracked faces to normalize. These facial images are processed by the demographics classification module to determine and record the demographics feature vector. The system detects and tracks customers to analyze the dynamic behavior of the tracked customers so that their shopping group membership and checkout behavior can be recognized. Then the instances of faces and the instances of bodies can be matched and combined. Finally, the transaction data from the transaction data and the demographics, group, and checkout behavior data that belong to the same person or the same group of people are combined.
Owner:VIDEOMINING CORP
Method and system for printing of automatically captured facial images augmented with promotional content
ActiveUS7283650B1Verify legitimacyAvoid problemsAdvertisementsCharacter and pattern recognitionPublic placeComputer graphics (images)
The present invention is a system and method for printing facial images of people, captured automatically from a sequence of images, onto coupons or any promotional printed material, such as postcards, stamps, promotional brochures, or tickets for movies or shows. The coupon can also be used as a means to encourage people to visit specific sites as a way of promoting goods or services sold at the visited site. The invention is named UCOUPON. A plurality of Computer Vision algorithms in the UCOUPON processes a plurality of input image sequences from one or a plurality of means for capturing images that is pointed at the customers in the vicinity of the system in an uncontrolled background. The coupon content is matched by the customer's demographic information, and primarily, the UCOUPON system does not require any customer input or participation to gather the demographic data, operating fully independently and automatically. The embodiment of the UCOUPON system can be integrated into any public place that requires the usage of coupons, such as existing checkout counters of the retail store environment. The UCOUPON can also be integrated into a stand-alone system, such as a coupon Kiosk system.
Owner:F POSZAT HU
Unmanned aircraft landing navigation system based on vision
InactiveCN101109640AImprove survivabilityNavigational calculation instrumentsVehicle position/course/altitude controlJet aeroplaneOn board
The invention provides a vision-based self-aid landing navigation system for an unattended air plane, which comprises a software arithmetic and a hardware arrangement. The software arithmetic comprises a computer vision arithmetic and an information merging and state estimation arithmetic; the hardware arrangement comprises a runway feature, on-board sensor subsystem and an information merging subsystem. The on-board sensor subsystem comprises an on-board camera system, an on-board inertial navigation system, a height meter system and a magnetic compass, measures the real UAV state, traces and analyzes the runway features by the on-board camera system, gets the measurements of the runway feature points, and sends the measurements to the information merging subsystem. The information merging subsystem gets the estimated value of the runway feature points through the runway model and the camera system model based on the estimated value of the airplane state at previous period as well as the measurement on the airplane state at current period by the on-board sensor subsystem, and compares with the measurements, merges other measurement information, and gets navigation information of high accuracy through calculation by the data processing module.
Owner:BEIHANG UNIV
Method and apparatus for providing virtual touch interaction in the drive-thru
ActiveUSRE41449E1Guaranteed uptimeDegree of freedomDigital data processing detailsCharacter and pattern recognitionGraphicsContact free
The present invention is a method and apparatus for providing an enhanced automatic drive-thru experience to the customers in a vehicle by allowing use of natural hand gestures to interact with digital content. The invention is named Virtual Touch Ordering System (VTOS). In the VTOS, the virtual touch interaction is defined to be a contact free interaction, in which a user is able to select graphical objects within the digital contents on a display system and is able to control the processes connected to the graphical objects, by natural hand gestures without touching any physical devices, such as a keyboard or a touch screen. Using the virtual touch interaction of the VTOS, the user is able to complete transactions or ordering, without leaving the car and without any physical contact with the display. A plurality of Computer Vision algorithms in the VTOS processes a plurality of input image sequences from the image-capturing system that is pointed at the customers in a vehicle and performs the virtual touch interaction by natural hand gestures. The invention can increase the throughput of drive-thru interaction and reduce the delay in wait time, labor cost, and maintenance cost.
Owner:S AQUA SEMICONDUCTOR LLC
Surveillance video-based intelligent parking lot management system
The invention belongs to field of video surveillance technology, particularly relates to a surveillance video-based intelligent parking lot management system which is mainly applied to large parking lots indoors and outdoors, is covered by a plurality of cameras, is used for tracking vehicles and monitoring parking spaces in field of view, and reflects the parking status of all parking spaces in real time. According to the surveillance video-based intelligent parking lot management system, firstly, an image acquisition module is used for obtaining images shot by the cameras, then an automatic detection module is constructed by utilizing a computer vision algorithm to implements vehicle tracking, parking space detection and plate number recognition, and an information statistics output module is used for correlating the data to obtain all data of vehicles in a parking lot and output and display all the data. According to the surveillance video-based intelligent parking lot management system, consumption on human resources for managing large parking lots can be reduced, the defects of the existing detection technology can be avoided at the same time, and automatic intelligent detection can be implemented with surveillance videos, so that the surveillance quality is improved and the surveillance cost is lowered.
Owner:FUDAN UNIV
Programmable Vision Accelerator
ActiveUS20160321074A1Sacrificed flexibilitySacrificed performanceRegister arrangementsDigital computer detailsParallel computingAddress generator
In one embodiment of the present invention, a programmable vision accelerator enables applications to collapse multi-dimensional loops into one dimensional loops. In general, configurable components included in the programmable vision accelerator work together to facilitate such loop collapsing. The configurable elements include multi-dimensional address generators, vector units, and load / store units. Each multi-dimensional address generator generates a different address pattern. Each address pattern represents an overall addressing sequence associated with an object accessed within the collapsed loop. The vector units and the load store units provide execution functionality typically associated with multi-dimensional loops based on the address pattern. Advantageously, collapsing multi-dimensional loops in a flexible manner dramatically reduces the overhead associated with implementing a wide range of computer vision algorithms. Consequently, the overall performance of many computer vision applications may be optimized.
Owner:NVIDIA CORP
Three-dimensional portrait photograph system and realizing method thereof
InactiveCN101082765AHard textureNew Visual EnjoymentPrintersProjectorsContinuous toneLaser engraving
The invention discloses a three-dimensional portrait shooting system and realizing method, which comprises the following steps: using common camera to shoot positive and lateral photos of portrait; adopting computer visual algorism to acquire three-dimensional geometrical model of head; projecting the photo as texture on the three-dimensional mould according to the projecting relationship of photo and geometrical model; obtaining the three-dimensional portrait model with photo-grade true sense; using spatial semi-tone method to modulate the space of texture grey image continuously; printing binary image approaching three-dimensional image on the visual observing effect in the artificial crystal through laser carving machine; forming the three-dimensional entity head portrait with true sense.
Owner:高宏 +1
Method and system for immersing face images into a video sequence
ActiveUS7734070B1Small sizeElectronic editing digitised analogue information signalsCharacter and pattern recognitionVideo sequenceComputer vision algorithms
The present invention is a system and method for immersing facial images of people captured automatically from an image or a sequence of images into a live video playback sequence. This method allows viewers to perceive a participation in the viewed “movie” segment. A format is defined for storing the video such that this live playback of the video sequence is possible. A plurality of Computer Vision algorithms in the invention processes a plurality of input image sequences from the means for capturing images, which is pointed at the users in the vicinity of the system and performs the head detection and tracking. The interaction in the invention can be performed either in real-time or off-line depending on the embodiment of the invention in an uncontrolled background.
Owner:F POSZAT HU
Methods and systems for ball game analytics with a mobile device
Methods and systems for ball shot attempt detection and game analytics generation are disclosed. The methods and systems perform steps to receive an input video of a ball gameplay, wherein the input video was captured using a stationary camera, and wherein frames of the input video comprises a goal; identify a Region of Interest (ROI) surrounding the goal by performing a first computer vision algorithm on the input video; detect a ball within the ROI during a shot attempt and determining a trajectory of the ball by performing a second computer vision algorithm on the input video; and identify a player relevant to the shot attempt based on the trajectory of the ball. In some embodiments, the computer vision algorithms comprise a convolution neural network (CNN). The present invention uses computer vision techniques to enable a resource-limited mobile device such as a smartphone to efficiently execute the new process.
Owner:NEX TEAM INC
System and method for detecting, tracking and estimating the speed of vehicles from a mobile platform
A method and system for measurement of ground based vehicle speed includes a movable platform that includes an unmanned aerial vehicle (UAV) located in proximity to a roadway, the UAV operates under control and navigation of a UAV control unit, and the UAV also carries camera and monitoring equipment, the camera and monitoring equipment including an onboard computing system, and a camera with a wide angle lens and a camera with a telephoto lens, the cameras being mounted on a pan / tilt device. An algorithm operated by the on-board computing system is used to detect and track vehicles moving on a roadway. The algorithm is configured to detect and track the vehicles despite motion created by movement of the UAV. The cameras mounted on the pan / tilt device are moved under the direction of the computer vision algorithm to maintain a target vehicle of the detected moving vehicles in view, and the speed of the target vehicle is measured.
Owner:CONDUENT BUSINESS SERVICES LLC
Passenger flow volume detection method and system based on computer vision
InactiveCN101321269ASolve occlusionReduce difficultyImage analysisClosed circuit television systemsCounting NumberVideo image
The invention discloses a passenger flow statistics method based on a computer visual perception and system thereof. A video image collecting device can be placed at top end of an entrance or an exit of passages such as airport, subway, railway station, bus station, exhibition and so on to collect video images of passenger flows. A processor processes the video images collected by a computer visual perception algorithm to obtain a characteristic point of the image and to obtain a characteristic point trace by processing continuous image sequences within a period of time. Restricting the characteristic trace in time-space obtains smooth and continuous trace and clusters obtained characteristic traces to obtain number of passenger flows so as to obtain real time and accurate passenger flow information. The invention combines visual device and algorithm of computer to count number of the passenger flow accurately under a compact passenger flow circumstance. The obtained passenger flow information can be used as ground of safety monitor, operation management and line layout.
Owner:TONGJI UNIV
Method and system for detecting changes in three dimensional shape
InactiveUS6963662B1Labor intensiveTime intensiveImage enhancementImage analysisAlgorithmVision algorithms
The present invention provides a method for reliably detecting change in the 3-D shape of objects. It uses an estimate of the accuracy of the 3-D models derived from a set of images taken simultaneously. This accuracy estimate is used to distinguish between significant and insignificant changes in 3-D models derived from different image sets. In one embodiment of the present invention, the accuracy of the 3-D model is estimated using self-consistency methodology for estimating the accuracy of computer vision algorithms. In another embodiment of the present invention, resampling theory is used to compare the mean or median elevation for each change in the models. This methodology allows for estimating, for a given 3-D reconstruction algorithm and class of scenes, the expected variation in the 3-D reconstruction of objects as a function of viewing geometry and local image-matching quality (referred to as a “score”). Differences between two 3-D reconstructions of an object that exceed this expected variation for a given significance level are deemed to be due to a change in the object's shape, while those below this are deemed to be due to uncertainty in the reconstructions.
Owner:SRI INTERNATIONAL
Shopping basket monitoring using computer vision and machine learning
A system for monitoring shopping baskets (e.g., baskets on human-propelled carts, motorized carts, or hand-carried baskets) can include a computer vision unit that can image a surveillance region (e.g., an exit to a store), determine whether a basket is empty or loaded with merchandise, and assess a potential for theft of the merchandise. The computer vision unit can include a camera and an image processor programmed to execute a computer vision algorithm to identify shopping baskets and determine a load status of the basket. The computer vision algorithm can comprise a neural network. The system can identify an at least partially loaded shopping basket that is exiting the store, without indicia of having paid for the merchandise, and execute an anti-theft action, e.g., actuating an alarm, notifying store personnel, activating a store surveillance system, activating an anti-theft device associated with the basket (e.g., a locking shopping cart wheel), etc.
Owner:GATEKEEPER SYST
A method and apparatus for real-time detection of infrared image abnormality of electric equipment in substation
InactiveCN109101906AImprove detection accuracySolve the detection speed is slowCharacter and pattern recognitionComputer control systemDevice type
A method and apparatus for detecting infrared image abnormality of electric power equipment in substation The invention adopts the latest depth learning and the computer vision algorithm to automatically analyze the infrared data and detect the abnormal heat through the collected infrared image or infrared video, which will greatly improve the efficiency and accuracy of the infrared image or infrared video detection. In the substation patrol robot with infrared imager, such intelligent infrared abnormal heating area and fault equipment type detection algorithm based on depth learning are embedded in the upper computer control system such as substation fixed-point monitoring track robot. Real-time infrared image or video detection will further improve the intelligent degree of these intelligent equipment, so as to achieve the real intelligent patrol.
Owner:GUIYANG BUREAU OF CHINA SOUTHERN POWER GRID CO LTD EHV TRANSMISSION CO +1
Method for automatic color balancing in digital images
InactiveUS7570809B1Efficient executionAmenable to implementationImage enhancementImage analysisPattern recognitionCore component
The present invention provides an automatic color balancing method for digital images by essentially performing adaptive weighting of surface reflectance and illuminant spectra components of the image. The adaptive weighting mechanism is derived from fuzzy logic based inference methods, taking advantage of its ability to perform inferences from data by providing a computational framework for knowledge that is in linguistic form. It also makes it amenable for implementation on hardware because of the commercially available fuzzy logic chips that already exist in real-world systems such as camcorders for image stabilization, washing machines, etc. The present invention enables much more efficient and robust color segmentation that forms core components for several computer vision algorithms.
Owner:HRL LAB
Close passenger traffic counting and passenger walking velocity automatic detection method and system thereof
InactiveCN101196991AThe results of automatic detection are accurateCharacter and pattern recognitionVideo imageVisual perception
The present invention relates to a video-based method of intense passenger flow counting and automatic detection of pedestrian speed, belonging to the computer vision technical field. The present invention adopts video capture device and process algorithm. Wherein, the video image capture device captures images through completed circuit television (CCTV ), normally with a camera set over the top of entrance and exit of passage way for real-time capture of video images of passengers in and out. The processor adopts computer vision algorithm to process the captured video images and identify the faces with Adaboost algorithm, with Harr characteristics as input, weak classifier weight combination to form a strong classifier, the strong classifier to form a waterfall-like cascading. Then calculation is triggered. The walking speed calculation of pedestrians is mainly based on tracking of the faces. The tracking starts as the pedestrian faces enter the detection zone and stops as the faces exit the detection zone. The keys to the walking speed calculation of pedestrians are targeting and tracking.
Owner:TONGJI UNIV
Three-Dimensional Display with Motion Parallax
The subject disclosure is directed towards a hybrid stereo image / motion parallax system that uses stereo 3D vision technology for presenting different images to each eye of a viewer, in combination with motion parallax technology to adjust each image for the positions of a viewer's eyes. In this way, the viewer receives both stereo cues and parallax cues as the viewer moves while viewing a 3D scene, which tends to result in greater visual comfort / less fatigue to the viewer. Also described is the use of goggles for tracking viewer position, including training a computer vision algorithm to recognize goggles instead of only heads / eyes.
Owner:MICROSOFT TECH LICENSING LLC
Real-time game tracking with a mobile device using artificial intelligence
Methods and systems are disclosed for real-time tracking of a multiplayer ball game using a mobile computing device. The methods and systems are configured to receive an input video of the multiplayer ball game captured using a camera on the mobile computing device in a gaming area associated with n players, where n is an integer and n≥2; detect a plurality of player postures, by performing a computer vision algorithm on each of a plurality of frames of the input video; extract an associated player feature from each of the plurality of player postures; assign each of the plurality of player postures, based on the associated player feature, to one of at least n posture groups, where each player is represented by one of the at least n posture groups; and determine a player location for each player, based on the player's posture group.
Owner:NEX TEAM INC
Computer vision based cigarette carton and box packing paper dimension measurement method
InactiveCN104197838ARealize automatic measurementReduce workloadUsing optical meansImaging processingVision based
The invention discloses a computer vision based cigarette carton and box packing paper dimension measurement method. The method is characterized in that structured light is projected on the surface of a measured object by the aid of a structured light generator, the structured light forms modulated structured light as being subjected to modulation of surface topography of a sample to be measured, the structured light is subjected to imaging by a camera to obtain a digital image of the measured object, three-dimensional topography and to-be-measured information of the measured object are extracted from the digital image of the measured object according to a computer vision algorithm and an image processing method, dimensional measurement of the measured object is realized, and the measured object is cigarette carton or cigarette box packing paper. By the method, contactless automatic measurement of cigarette carton and box packing paper dimensions is realized, personal error is reduced effectively, and measurement precision and efficiency are improved.
Owner:CHINA TOBACCO ANHUI IND CO LTD +1
System and method for detecting and visualizing live kinetic and kinematic data for the musculoskeletal system
InactiveUS20150327794A1Solve insufficient bandwidthSolve the lack of spacePhysical therapies and activitiesPerson identificationKinematicsMotion sensing
A system and method using a single 3D motion sensing Microsoft Kinect for Windows augmented with computer vision algorithms for detecting, recognizing and tracking the movement of different joints of the body of a subject and deducing kinetic and kinematic data from those movements. The method requires only a single motion sensing device and is non-invasive as the subject does not need to wear any external devices on the body. The proposed method incorporates Second Life serious game environment where the patient, the therapist and other members of the community of interest can log-in any time and see all the subject's movements performed by an avatar in Second Life, thereby making the invention particularly useful for disabled hemiplegic children.
Owner:UMM AL QURA UNIVERISTY
Intelligent skynet video quality diagnostic system
The invention discloses an intelligent skynet video quality diagnostic system which comprises a front end video capture unit, a skynet central platform and a management terminal. The skynet central platform comprises a video diagnostic server, a database server and a Web server, wherein the video diagnostic server adopts the computer vision algorithm to accurately judge spots, rolling, dim, color casting, abnormal luminance and video signal deficiencies of a video image and give out alarm information. The front end video capture unit is connected with the video diagnostic server through a communication network, the video diagnostic server is respectively connected with the database server and the Web server, and the management terminal accesses the Web server through the Internet. The intelligent skynet video quality diagnostic system can automatically detect and distinguish a plurality of video signal failures such as video definition, stripe interference, the abnormal luminance, the color casting and video deficiencies, can test and accurately locate failure situations, is accurate in system testing and can improve processing speed and reliability of processing results.
Owner:四川天翼网络股份有限公司
Indoor human pose recognition method based on multi-sensor fusion
The invention provides an indoor human pose recognition method based on multi-sensor fusion and belongs to an indoor scene recognition method of a mobile robot. The method comprises the following steps: 1) deploying an optical sensor, a depth sensor and an infrared sensor; 2) acquiring images of the three sensors in the same scene and calibrating the images of the three sensors; 3) recognizing thecurrent real-time human pose with a pre-trained deep neural network. Fusion processing and comprehensive decision making are performed on data of the multiple sensors with machine learning and a computer vision algorithm, various limitations and bottlenecks of the traditional recognition method based on single sensor are solved, and the recognition accuracy and robustness for various indoor humanposes are improved greatly.
Owner:北京奥开信息科技有限公司
Remote multiplayer interactive physical gaming with mobile computing devices
ActiveUS20190392729A1Gymnastic exercisingCharacter and pattern recognitionComputer vision algorithmsMobile device
Methods and systems for remote real-time or asynchronous multiplayer gameplay using mobile devices are disclosed. The methods and systems include steps of mounting mobile computing devices in gaming areas associated with users; initiating a game between the users; analyzing movements of the users, ball(s), and / or other game equipment of the game by performing a computer vision algorithm on one or more frames of an input video of the game; and providing feedback to the users, where feedback may include instructions to be performed by the users and player analytics. Embodiments of the present invention use computer vision techniques to enable a resource-limited mobile device such as a smartphone to conduct the aforementioned steps.
Owner:NEX TEAM INC
Method, storage medium and apparatus for converting 2d photo album to 3D model
ActiveCN109191369AImprove user experienceIncrease entertainmentImage enhancementDetails involving processing stepsParallaxComputer graphics (images)
Owner:SAMSUNG ELECTRONICS CHINA R&D CENT +1
Method and System for Immersing Face Images into a Video Sequence
InactiveUS20100195913A1Small sizeTelevision system detailsDigitally marking record carriersVideo sequenceComputer vision algorithms
The present invention is a system and method for immersing facial images of people captured automatically from an image or a sequence of images into a live video playback sequence. This method allows viewers to perceive a participation in the viewed “movie” segment. A format is defined for storing the video such that this live playback of the video sequence is possible. A plurality of Computer Vision algorithms in the invention processes a plurality of input image sequences from the means for capturing images, which is pointed at the users in the vicinity of the system and performs the head detection and tracking. The interaction in the invention can be performed either in real-time or off-line depending on the embodiment of the invention in an uncontrolled background.
Owner:F POSZAT HU
Blind man navigation method and system based on computer vision
InactiveCN101368828AMeet needsGood value for moneyInstruments for road network navigationEye treatmentTouch PerceptionVision based
Disclosed is a computer vision-based blind man navigation method; the system of the method mainly comprises two modules, wherein, ultrasonic wave is used to detect obstacles, and a video-awareness part is used for blind man navigation; an image acquisition device captures images through an ordinary video camera; a processor processes the captured video images through computer vision algorithm; the klt algorithm is used for feature tracking; and the corner features are taken as inputs. Firstly, the camera is artificially carried to travel along the pre-determined route so as to extract the feature points of partial image frames at equal time interval; then the extracted feature points are stored in a database. When a blind man walls along the trained route again, the feature points of each image frame are extracted and compared with the feature points stored in the database so as to finally determine the advancing direction of the blind man in the next step; and the steering result outputted through the video-processing algorithm is transmitted to the blind through feeling and sound sensation to form the three-dimensional feedback information and achieve blind man navigation.
Owner:TONGJI UNIV
Methods and systems for facilitating interactive training of body-eye coordination and reaction time
ActiveUS20200184846A1Easy to trainEnsemble learningGymnastic exercisingPhysical medicine and rehabilitationBody posture
Methods and systems for virtual coaching and performance training using a mobile device are disclosed. The methods and systems perform the steps of capturing a training video of one or more players, using the camera on the mobile computing device; superimposing a visual cue onto the training video at a first location and for a cue period starting from a first time instant; determining whether at least one of the one or more players has responded to the visual cue at a second time instant within the cue period, by analyzing a body posture flow of each player between the first time instant and the second time instant, wherein each body posture flow is extracted from the training video by performing a computer vision algorithm on one or more frames of the training video; and in response to determining that at least one player has responded to the visual cue, generating a feedback to the one or more players.
Owner:NEX TEAM INC
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