Patent application number | Description | Published |
20090110256 | SYSTEM AND METHOD FOR IMAGE-BASED ATTENUATION CORRECTION OF PET/SPECT IMAGES - A system and method for image-based correction including a receiver to acquire an image from one or more data storage systems, one or more processors to determine an attenuation mismatch estimate and calculate a correction for the image based on the attenuation mismatch estimate and the image, and an output to generate an attenuation mismatch corrected image based on the correction. | 04-30-2009 |
20090238427 | Method and Apparatus for Correcting Multi-Modality Imaging Data - A method for correcting Positron Emission Tomography (PET) data includes adjusting a tube current generated by the CT imaging system to a second tube current value that is less than a first tube current value used to generate diagnostic quality CT images, and imaging the patient with the CT imaging system set at the second tube current value. The method also includes generating a plurality of computed tomography (CT) projection data from the CT imaging system and preprocessing the CT projection data to generate preprocessed CT projection data. The method further includes filtering the preprocessed CT projection data to reduce electronic noise to generate filtered CT projection data, and performing a minus logarithmic operation on the filtered CT projection data to generate the corrected PET data. | 09-24-2009 |
20090253980 | METHOD AND APPARATUS FOR DETERMINING THE EFFECTIVENESS OF AN IMAGE TRANSFORMATION PROCESS - A method for determining the effectiveness of an image transformation process includes acquiring a four-dimensional (4D) image data set, sorting the 4D image data set into separate field-of-view bins using a temporal gating system generating a plurality of deformation vectors using the sorted 4D image data set, and using the plurality of deformation vectors to generate a transformation effectiveness value that is representative of the effectiveness of the image transformation process. The method further includes acquiring a respiratory signal, calculating a power spectrum of the respiratory signal, calculating a power spectrum for each of the plurality of deformation vectors, and comparing the power spectrum of the respiratory signal to the power spectrum of the plurality of deformation vectors to generate the transformation effectiveness value. | 10-08-2009 |
20100220909 | METHOD AND APPARATUS FOR REDUCING IMAGE ARTIFACTS - A method and apparatus are provided for reducing motion related imaging artifacts. The method includes determining an internal motion for of two regions of the object, each region having a different level of motion, scanning the first region using a first scan protocol based on the motion, scanning a second region using a second different scan protocol based on the motion, and generating an image of the object based on the first and second regions. | 09-02-2010 |
20110116695 | METHOD AND APPARATUS FOR REDUCING MOTION-RELATED IMAGING ARTIFACTS - A method and apparatus are provided for reducing motion related imaging artifacts. The method includes obtaining an image data set of a region of interest in an object, obtaining a motion signal indicative of motion of the region of interest, determining at least one quiescent period of at least a portion of the motion signal, extracting image data from the image data set that is within the determined quiescent period to form an image data subset, and generating an image of the region of interest using the image data subset. | 05-19-2011 |
20130131422 | SYSTEMS AND METHODS FOR COMMUNICATING DOSE CALIBRATION INFORMATION - Systems and methods for communicating dose calibration information are provided. One method includes determining dose calibration information of a radiopharmaceutical at a dose calibrator. The method also includes automatically storing the dose calibration information in a memory. The method further includes communicating the stored dose calibration information to a host system. | 05-23-2013 |
20130131493 | METHOD AND APPARATUS FOR PERFORMING DUAL-MODALITY IMAGING - A method for performing an examination of a patient using a dual-modality imaging system includes accessing a list that includes a magnetic resonance imaging (MRI) examination protocol to be used to perform a predetermined MRI examination, the examination protocol including a plurality of MRI protocol actions, receiving an input selecting at least one of the MRI protocol actions, scanning the patient using the MRI examination protocol, scanning the patient using a positron emission tomography (PET) imaging system to acquire PET data, and marking the PET data, using a first visual indication, to indicate the selected MRI protocol action. An imaging system and a non-transitory computer readable medium are also described herein. | 05-23-2013 |
20130248719 | SYSTEMS AND METHODS FOR ATTENUATION COMPENSATION IN NUCLEAR MEDICINE IMAGING BASED ON EMISSION DATA - Systems and methods for attenuation compensation in nuclear medicine imaging based on emission data are provided. One method includes acquiring emission data at a plurality of energy windows for a person having administered thereto a radiopharmaceutical comprising at least one radioactive isotope. The method also includes performing a preliminary reconstruction of the acquired emission data to create one or more preliminary images of a peak energy window and a scatter energy window and determining a body outline of the person from at least one of the reconstructed preliminary image of the peak energy window or of the scatter energy window. The method further includes identifying a heart contour and segmenting at least the left lung. The method additionally includes defining an attenuation map based on the body outline and segmented left lung and reconstructing an image of a region of interest of the person using an iterative joint estimation reconstruction. | 09-26-2013 |
20150339821 | MOTION COMPENSATION IN IMAGE PROCESSING - Methods and systems for processing a set of images are described. In accordance with this disclosure, images are registered and an analysis is performed in view of one or more constraints (such as constraints based upon anatomical or physiological considerations). Weighting factors are determined based on the analysis. The weighting factors are used in subsequent processing of the registered (and/or unregistered) images and/or to formulate a visualization that conveys the degree of confidence in the motion estimation used in the registration process. | 11-26-2015 |
Patent application number | Description | Published |
20150100648 | METHOD OF AND SYSTEM FOR PROCESSING AN E-MAIL MESSAGE TO DETERMINE A CATEGORIZATION THEREOF - Method of processing an e-mail to determine a categorization thereof including a sender type and a message type, comprising: receiving an e-mail including a header having header fields and body having content; if the e-mail is not junk e-mail, determining the sender type of the e-mail from potential sender types, via first analysis of the header and the body including application of at least one first complex rule, each applied first complex rule including elementary rules specific thereto, at least some of the elementary rules specific thereto including regular expression analysis; if the e-mail is not junk e-mail, determining, a message type of the e-mail from potential message types, via second analysis of the header and the body including application of at least one second complex rule, each applied second complex rule including elementary rules specific thereto, at least some of the second elementary rules thereto including regular expression analysis. | 04-09-2015 |
20150100649 | METHOD OF AND SYSTEM FOR REFORMATTING AN E-MAIL MESSAGE BASED A CATEGORIZATION THEREOF - There is provided a method of reformatting an e-mail message having a header and a body having content in a received format. The method comprises receiving, by at least one server via a communications network, the e-mail message; saving, by the at least one server, the e-mail message in a database in communication with the at least one server; receiving, by the at least one server from a client device, a request to retrieve the e-mail message; retrieving, by the at least one server, the e-mail message from at least one database; determining, by the at least one server, a classification of the e-mail message from the at least one database, the classification including a sender type and at least one message type; and reformatting at least some of the content of the body of the message into a predetermined format associated with the determined classification of the e-mail message; and sending, by the at least one server to the client device, at least some of the reformatted content of the body of the message. | 04-09-2015 |
20150100650 | METHOD OF AND SYSTEM FOR REFORMATTING AN E-MAIL MESSAGE BASED A CATEGORIZATION THEREOF - There is disclosed a method of reformatting an e-mail message having a header and a body having content in a received format, the method comprising: receiving, by at least one server via a communications network, the e-mail message; saving, by the at least one server, the e-mail message in a database in communication with the at least one server; receiving, by the at least one server from a client device, a request to retrieve the e-mail message; retrieving, by the at least one server, the e-mail message from at least one database; determining, by the at least one server, a classification of the e-mail message from the at least one database, the classification including a sender type and at least one message type; sending, by the at least one server to the client device, at least some of the content of the body of the message; and sending, by the at least one server to the client device, instruction to display, along with the content, a user-selectable graphical element for causing a function to be performed in respect of the one of the e-mail messages, the function being based, at least in part, on the classification of the first one of the e-mail messages. | 04-09-2015 |
20150100651 | METHOD OF AND SYSTEM FOR CONSTRUCTING A LISTING OF E-MAIL MESSAGES - There is disclosed a method of constructing a listing of e-mail messages, the method comprising: retrieving, by at least one server, information in respect of a plurality of e-mail messages from at least one database in electronic communication with the at least one server, each e-mail message including a header having a plurality of header fields and a body having content; sending, by the at least one server to a client device via a communications network, instruction to display in one of an e-mail message listing pane or an e-mail message listing window in a graphical user interface of the client device, a listing of e-mails, the listing including in respect of at least some of the e-mail messages listing information including at least some of the header fields; for a first one of the e-mail messages, one of determining a classification of the first one of the e-mail messages by the at least one server and retrieving from the database a classification of the first one of the e-mail messages by the at least one server, the classification including a sender type and at least one message type; and sending, by the at least one server to the client device via the communications network, instruction to display in the listing information in respect of the first one of the e-mail messages appearing in the listing of e-mail messages of information other than that of the header fields, the other information being displayed in a first predetermined format associated with the classification of the e-mail message, the first predetermined format being other than a format in which the content of the body was originally received. | 04-09-2015 |
20150100652 | METHOD OF AND SYSTEM FOR CONSTRUCTING A LISTING OF E-MAIL MESSAGES - There is disclosed a method of constructing a listing of e-mail messages, the method comprising: retrieving, by at least one server, information in respect of a plurality of e-mail messages from at least one database in electronic communication with the at least one server, each e-mail message including a header having a plurality of header fields and a body having content; sending, by the at least one server to a client device via a communications network, instruction to display in one of an e-mail message listing pane or an e-mail message listing window in a graphical user interface of the client device, a listing of e-mails, the listing including in respect of at least some of the e-mail messages listing information including at least some of the header fields; for at least some of the e-mail messages, one of determining a classification of the e-mail messages by the at least one server and retrieving from the database a classification of the e-mail messages by the at least one server, the classification including a sender type and at least one message type; receiving, by the at least one server from the client device via the communications network, a request to sort the listing of e-mails by e-message classification; sorting, by the at least one server, the listing of e-mails by e-mail classification; sending, by the at least one server to a client device via a communications network, instruction to display in the one of an e-mail message listing pane or an e-mail message listing window in a graphical user interface of the client device, the sorted listing of e-mails. | 04-09-2015 |
20150100896 | METHOD OF AND SYSTEM FOR CONSTRUCTING A LISTING OF E-MAIL MESSAGES - There is provided a method of constructing a listing of e-mail messages, the method comprising: retrieving, by at least one server, information in respect of a plurality of e-mail messages from at least one database in electronic communication with the at least one server, each e-mail message including a header having a plurality of header fields and a body having content; sending, by the at least one server to a client device via a communications network, instruction to display in one of an e-mail message listing pane or an e-mail message listing window in a graphical user interface of the client device, a listing of e-mails, the listing including in respect of at least some of the e-mail messages listing information including at least some of the header fields; for a first one of the e-mail messages, one of determining a classification of the first one of the e-mail messages by the at least one server and retrieving from the database a classification of the first one of the e-mail messages by the at least one server, the classification including a sender type and at least one message type; sending, by the at least one server to the client device via the communications network, instruction to display in the listing information in respect of the first one of the e-mail messages appearing in the listing of e-mail messages a first user-selectable graphical element for causing a first function to be performed in respect of the first one of the e-mail messages, the first function being based, at least in part, on the classification of the first one of the e-mail messages. | 04-09-2015 |