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249 results about "Image reference" patented technology

Reference image. reference image: An image on the display used for visual reference that is generated by (or otherwise corresponds to) a raster object or set of raster objects. That is, you can use one raster object for the display, and another raster object or set of raster objects for processing.

Physiologic data acquisition and analysis

The availability of high quality imagers on smartphones and other portable devices facilitates creation of a large, crowd-sourced, image reference library that depicts skin rashes and other dermatological conditions. Some of the images are uploaded with, or later annotated with, associated diagnoses or other information (e.g., “this rash went away when I stopped drinking milk”). A user uploads a new image of an unknown skin condition to the library. Image analysis techniques are employed to identify salient similarities between features of the uploaded image, and features of images in this reference library. Given the large dataset, statistically relevant correlations emerge that identify to the user certain diagnoses that may be considered, other diagnoses that may likely be ruled-out, and / or anecdotal information about similar skin conditions from other users. Similar arrangements can employ audio and / or other physiologically-derived signals. A great variety of other features and arrangements are also detailed.
Owner:DIGIMARC CORP

Medical robotic system with image referenced camera control using partitionable orientational and translational modes

A medical robotic system includes an entry guide with articulatable instruments such as surgical tools and a camera extending out of its distal end. The camera instrument is manipulatable by a camera manipulator, which has a first mechanism for pivoting a focal point of the camera instrument about a pivot of the camera instrument and a second mechanism for positioning the pivot within a three-dimensional space in response to translational commands received from one or a coupled pair of input devices. The system also includes a controller which is configured to receive sensed movement of the input devices, and cause actuation of the first mechanism in response to the sensed movement if the system is in an orientational mode and cause actuation of the second mechanism in response to the sensed movement if the system is in a translational mode.
Owner:INTUITIVE SURGICAL OPERATIONS INC

Method and system for registering an image with a navigation reference catheter

Methods and systems for processing and / or superimposing a medical image of an anatomical body (e.g., a heart) with graphical information are provided. Reference elements and / or reference catheter are placed in contact with the anatomical body. A physical structure within a navigational coordinate system is located using the reference elements and / or reference catheter. An image reference within an image coordinate corresponding to the physical structure is located. Location of the image reference can be accomplished, e.g., by displaying the medical image and electronically marking the displayed image reference, or by automatically locating image data corresponding to the image reference. The navigational and image coordinate systems are then registered based on the location of the physical structure within the navigational coordinate system and the location of the image reference within the image coordinate system, which allows graphical information to be accurately merged with the medical image data.
Owner:BOSTON SCI SCIMED INC

Resizing images to improve network throughput

A method to resize an image on a server comprising the steps of: hosting multimedia content on a server, wherein said server is coupled to one or more client systems capable of rendering multimedia content, wherein said multimedia content includes at least one image; receiving user requests to transmit user selected multimedia content; determining the display size directives of each image referenced on said user selected multimedia content; scaling said image referenced to the size specified in said multimedia content; and transmitting said user selected multimedia content with said image scaled to said size directive. A server for hosting multimedia content is electrically connected to one or more client systems for rendering multimedia content.
Owner:IBM CORP

Meta-application architecture for integrating photo-service websites for browser-enabled devices

A method and system for integrating web photo-services for a browser-enabled device is disclosed. The method and system include providing a server that communicates with the device over a network, and associating images stored on at least one photo-service site with a user account. Thereafter, an inventory of images stored on the device is received from the device, and an image-related web application is provided to the device over the network, where the web application requires access to the user's images. The method and system further include providing a list of the images associated with a user's account to the web application, wherein the list of images includes an image reference for each image and an indication of whether each image is stored on the device or on the photo-service site, such that the web application may perform at least one function on the user's images regardless of where the images are stored.
Owner:IPAC SUB

Apparatus of Predictive Coding/Decoding Using View-Temporal Reference Picture Buffers and Method Using the Same

Provided are an apparatus and method for predictive coding / decoding for improving a compression rate of multiview video using one or two additional reference frame buffers. The predictive encoding apparatus includes: a multiview reference picture providing unit for providing a reference picture for a predictive encoding according to temporal and spatial GOP structure information; a prediction unit for creating a vector by predicting which part of the reference picture inputted from the multiview reference picture providing unit is referred by a picture to currently encode; a transforming and quantizing unit for obtaining a difference signal between the predicted signal inputted from the prediction unit and a picture signal to currently encode, transforming the obtained difference signal, quantizing the transformed signal, and compressing the quantized signal; and an entropy encoding unit for encoding the quantized signal and the vectors according to a predetermined scheme and outputting the encoded signal.
Owner:ELECTRONICS & TELECOMM RES INST

Method and apparatus for two-dimensional absolute optical encoding

This invention presents a two-dimensional absolute optical encoder and a method for determining position of an object in accordance with information from the encoder. The encoder of the present invention comprises a scale having a pattern being predetermined to indicate an absolute location on the scale, means for illuminating the scale, means for forming an image of the pattern; and detector means for outputting signals derived from the portion of the image of the pattern which lies within a field of view of the detector means, the field of view defining an image reference coordinate system, and analyzing means, receiving the signals from the detector means, for determining the absolute location of the object. There are two types of scale patterns presented in this invention: grid type and starfield type.
Owner:ADMINISTATOR OF THE NAT AERONAUTICS & SPACE ADMINISTATION UNITED STATES GOVERNMENT AS REPRESENTED BY THE

Picture encoding using same-picture reference for pixel reconstruction

Digital pictures may be encoded by padding all un-processed pixels within a currently processing picture with temporary pixel values; searching the picture for a matching section for use as a reference in pixel reconstruction of a section of the picture independent of whether the picture is intra-coded or inter-coded; and using the matching section to perform pixel prediction on the section to generate one or more predicted pixels for the section.
Owner:SONY COMPUTER ENTERTAINMENT INC

Image processing apparatus and image processing method

An image processing method, includes: detecting a correspondence of each pixel between images acquired by imaging a subject from a plurality of viewpoints; calculating depth information of a non-occlusion pixel and creating a depth map including the depth information; regarding a region consisting of occlusion pixels as an occlusion region and determining an image reference region including the occlusion region and a peripheral region; dividing the image reference region into clusters on the basis of an amount of feature in the image reference region; calculating the depth information of the occlusion pixel in each cluster on the basis of the depth information in at least one cluster from the focused cluster, and clusters selected on the basis of the amount of feature of the focused cluster in the depth map; and adding the depth information of the occlusion pixel to the depth map.
Owner:FUJIFILM CORP

Secure messaging system with personalization information

Personalization images are included in email messages to combat phishing attacks in which an attacker attempts to trick a user into divulging sensitive information over the Internet. When a recipient of an email message receives a message, the recipient can visually inspect the personalization image in the message. If the personalization image is missing or if the personalization image is not valid, the email recipient is alerted to the possibility of a phishing attack. Email message content may be encrypted. A gateway associated with an email message sender may be used to perform encryption operations on the message content. The gateway may create an html version of the email by placing the encrypted message content in an html wrapper. An image reference corresponding to the personalization image may be embedded in the html version of the message.
Owner:MICRO FOCUS LLC

Longitudinal seam welding special machine with linear structure light type vision sensor and control method thereof

The invention discloses a longitudinal seam welding special machine with a linear structure light type vision sensor and a control method thereof. The longitudinal suture welding special machine comprises a welding gun, the linear structure light type vision sensor, an industrial control computer and an execution mechanism, wherein the welding gun is fixed on the execution mechanism; the welding gun and the linear structure light type vision sensor are connected to an operation rail of the longitudinal seam welding special machine, and the linear structure light type vision sensor is arranged in front of the welding gun; and the output end of the linear structure light type vision sensor is connected with the execution structure through the industrial control computer. With the control method, the concept of a coordinate system is established, and a welding seam track is detected through the vision sensor to essentially change an application way of corresponding the welding gun to an image reference point through a rigid body relation, and the method can also be used for tracking the space curve welding seam without limitation of tracking the linear welding track. The longitudinal seam welding special machine detects the whole welding seam track, even if the sensor is out of the visual field, the last section of the welding seam can also ensure the tracking of the whole welding seam.
Owner:SOUTHEAST UNIV

Medical image diagnostic apparatus, picture archiving communication system server, image reference apparatus, and medical image diagnostic system

A shared object is newly created in a unified format with respect to past medical information that is effective in a photographing step or a report creating step. Since the shared object can include a position determination image, unique object information, body coordinates information, a photographing condition, a image creating condition, and key image information, it is possible to automatically set the same photographing condition, photographing range, a tomographic position to be photographed, and image creating condition as those in a past test by using the information described above.
Owner:TOSHIBA MEDICAL SYST CORP

Coordinate registration system for dual modality imaging systems

A method of determining linear and angular displacements of a first coordinate system of a field of view of a first imaging system relative to a second a coordinate system of a field of view of a second imaging system, the method comprising: providing a phantom having a plurality of fiducial regions that can be imaged by both imaging systems; acquiring first and second images of the phantom with the first and second imaging systems wherein spatial coordinates of features in the first and second images reference the first and second coordinate systems respectively; determining positions of a plurality of features of the fiducials in the first image and spatial coordinates of the same features in the second image; and using the coordinates to determine the linear and angular displacements.
Owner:ELGEMS

GPS-installed all-azimuth camera and spatial data collecting device

The present invention provides a GPS-installed all-azimuth camera, comprising at least a pair of GPS antennas (29a and 29b) disposed on up and down in parallel to each other, a plurality of cameras (28a-28f) which are disposed on a plane running in parallel to the GPS antennas and are capable of obtaining images in all azimuths, and a case (27) for accommodating the cameras and the GPS antennas, wherein a reference position of the GPS antennas is concurred with an image reference position of the cameras.
Owner:KK TOPCON

Object classification system for a vehicle

InactiveUS20050273212A1Minimizes image processing timeMinimizes processor requirementImage analysisDigital data processing detailsImage detectionImage reference
A method of classifying objects within a vehicle (12) includes the detection of an object and the generation of an object detection signal in response to that detection. A range signal is generated in response to the object detection signal. An image detection signal is generated having an image representation of the object. The object detection signal is projected on an image plane (122) in response to the image detection signal to generate a fused image reference (120). A search region (144) is generated on the image plane (122) in the vicinity of fused image reference (120). A vector of feature values is calculated via generation of a sum-array (152) and in response to the range signal and the image detection signal. The search region (144) is classified in response to the vector of feature values.
Owner:FORD GLOBAL TECH LLC

Skin imaging and applications

The availability of high quality imagers on smartphones and other portable devices facilitates creation of a large, crowd-sourced, image reference library that depicts skin rashes and other dermatological conditions. Some of the images are uploaded with, or later annotated with, associated diagnoses or other information (e.g., “this rash went away when I stopped drinking milk”). A user uploads a new image of an unknown skin condition to the library. Image analysis techniques are employed to identify salient similarities between features of the uploaded image, and features of images in this reference library. Given the large dataset, statistically relevant correlations emerge that identify to the user certain diagnoses that may be considered, other diagnoses that may likely be ruled-out, and / or anecdotal information about similar skin conditions from other users. A great variety of other features and arrangements are also detailed.
Owner:DIGIMARC CORP

Manual Instrumented Medical Tool System

A medical device is for use in association with a medical image of the gland or organ having a known reference point. The medical device comprises a structural frame, a horizontal joint, a vertical joint, a pan join, a tilt joint a medical instrument assembly and a control system. The medical device is positioned at a predetermined location relative to the medical image reference point. Each of the horizontal joint, the vertical joint, the pan joint and the tilt joint have a position sensor and are operably connected to the frame. The medical instrument assembly is operably connected to a sensor and to the horizontal joint, the vertical joint, the pan joint and the tilt joint. The control system is operably connected to the other elements whereby the control system determines the position of a predetermined location on the medical instrument assembly relative to the structural frame.
Owner:ENG SERVICES INC

Magnetic resonance diffusion tensor imaging fiber bundle tracking device

InactiveCN103049901AAccurate Tracking AlgorithmAccurate white matter fiber tractsImage analysisDiagnostic recording/measuringTensor fieldWhite matter
The invention relates to a magnetic resonance diffusion tensor imaging fiber bundle tracking device. The process is respectively completed by each component through the following steps of (1) collecting magnetic resonance diffusion tensor images; (2) carrying out brain issue dividing on a sequence without a diffusion gradient magnetic field and any sequence with the diffusion gradient magnetic field, and using the sequence without the diffusion gradient magnetic field as an image reference template of the brain tissues; (3) carrying out three-dimensional affine conversion on the two image sequences of the brain tissues after being extracted, to obtain a space conversion relationship; (4) carrying out space conversion on the remained diffusion tensor images by an optimum conversion relationship; (5) calculating tensor fields and feature vectors; (6) setting the interested areas and tracking conditions; and (7) carrying out the bidirectional tracking and displaying based on a fiber bundle with variable step size, so as to quickly and effectively carry out fiber bundle tracking and displaying on the white matters of human brain. In the diffusion tensor imaging process, the image deviation caused by space positions can be corrected, and the elastic step size is adopted in the tracking process, so as to ensure the reliable fiber bundle tracking.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Active marker device for use in electromagnetic tracking system

A device for use in an image-guided procedure on a patient is disclosed. The device includes an EM sensor assembly, a frame assembly (e.g., a base portion from which a plurality of legs project upward to a common point) and a plurality of attachment members. Each attachment member is arranged to be releasably (e.g., adhesively) secured to the skin of a patient and to be coupled to the frame assembly to secure the frame assembly on the skin of the patient. The EM sensor assembly is arranged to be releasably secured to the frame assembly (e.g., pivotably snap-fit into a socket in the frame assembly). The device additionally includes plural visualizable elements (e.g., metal balls) that are adapted to be readily imaged to establish imaging reference points and a plurality of asymmetrically disposed apertures to enable tattooing indicia on the skin of the patient through the apertures.
Owner:CIVCO MEDICAL INSTR CO

Method for shifting depth before superposition in seismic data process of undulating the earth's surface

The invention is a prestack depth migration method for seismic data processing of a relief land surface, determining an imaging reference plane according to the highest point of a collection region, and projecting the relief land surface to a regular grid to fill a constant speed approaching to the near land surface in the relief land surface; using Fourier finite extrapolation operators of one-way wave equation to make wave field extrapolation on shot seismic source wave fields and detector received wave fields along the depth axis, and keeping the wave field between input and output datum equal to zero; imaging the extrapolated shot and detector wave field record by conjugate related imaging conditions, and stacking the related results of each frequency and processing the imaging result into a section image by routine display software, and the invention has an obvious imaging effect of complex construction on the condition of relief land surface.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Image reference-free quality evaluation method and system based on gradient profile

The invention discloses image reference-free quality evaluation method and system based on a gradient profile. The image reference-free quality evaluation system comprises a gradient profile extraction device, a blurring effect evaluation device, a ringing effect evaluation device and an integrated evaluation device, wherein the gradient profile extraction device is used for detecting input image edge points and extracting the gradient profile according to the edge points; the blurring effect evaluation device is used for measuring the blurring effect of images according to the gradient profile; the ringing effect evaluation device is used for measuring the ringing effect of the images according to the gradient profile; and the integrated evaluation device is used for fusing the blurring effect measurement and the ringing effect measurement to acquire a quality evaluation reference value of input images. Based on the invention, the quality evaluation can be carried out on various types of natural images; and especially, the invention has favorable robustness for partially-blurred images due to the defocusing, the motion and other reasons.
Owner:PEKING UNIV

Method and system for providing visual instructions to warehouse operators

A method in a warehouse management system for providing instructions to a user, comprising: receiving a table in a database of the warehouse management system, the table defining the instructions, one or more of the columns of the table containing data and image references pertaining to respective warehouse storage items associated with the instructions; adding an expression column to the table, the expression column for defining a combination of the data and image references pertaining to the respective warehouse storage items in accordance with the instructions; adding markup language code to the expression column for customizing a graphical presentation of the combination; generating the graphical presentation of the combination from the markup language code; and, displaying the graphical presentation on a display screen of the warehouse management system, thereby providing the instructions to the user in a graphical format.
Owner:TECSYS
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