Patent application number | Description | Published |
20130315453 | SYSTEM AND METHOD FOR WIDE CONE HELICAL IMAGE RECONSTRUCTION - A tomographic system includes a gantry having an opening for receiving an object to be scanned, a radiation source, a detector positioned to receive radiation from the source that passes through the object, and a computer programmed to acquire a plurality of helical projection datasets of the object, reconstruct a first image using the acquired plurality of helical projection datasets and using a first reconstruction algorithm, reconstruct a second image using the acquired plurality of helical projection datasets and using a second reconstruction algorithm that is different from the first reconstruction algorithm, extract frequency components from each of the first and second images, sum the frequency components from each of the first and second images, and inverse transform the sum of the frequency components to generate a final image. | 11-28-2013 |
20130343623 | METHODS AND SYSTEMS FOR REDUCING NOISE- RELATED IMAGING ARTIFACTS - A method for reducing noise in a medical diagnostic image includes acquiring an initial three-dimensional (3D) volume of projection data, generating a projection space noise estimate using the 3D volume of projection data, generating an initial 3D volume of image data using the 3D volume of projection data, generating an image space noise estimate using the 3D volume of image data, generating a noise projection estimate using the projection space noise estimate and the image space noise estimate, and reconstructing an image using the generated noise estimate. A system and non-transitory computer readable medium are also described. | 12-26-2013 |
Patent application number | Description | Published |
20090252033 | SYSTEM AND METHOD OF DISTRIBUTING MEDIA CONTENT - Systems and methods to distribute media content are provided. A particular method includes receiving first link weighting factors and second link weighting factors at a router of a node of a multicast network and determining a primary path to a next hop node based on the first link weighting factors. Additionally, the method includes determining a backup path from a router of the primary path to the next hop node based on the second link weighting factors. The backup path does not overlap any primary path between two nodes of the network. Further, the method includes receiving a data packet from a parent node and routing a copy of the data packet from the router to the next hop node via the backup path, when a network link related to the router has failed. The method also includes routing data packets via a re-configured multicast tree that excludes the failed link. | 10-08-2009 |
20100067899 | Standby restoration signaling for optical networks - Systems and methods are described that provide a distributed restoration signaling protocol for shared mesh restoration with standbys for transparent optical networks. | 03-18-2010 |
20120087665 | METHOD AND APPARATUS FOR PROVIDING A ROUTE RECOMMENDATION - A method and apparatus for providing a route recommendation are disclosed. For example, the method obtains network topology information, wherein the network topology information comprises a plurality of underlying subnetwork types for a network. The method creates a cost model for the network, and receives a request from a user for a connection to be supported by the network. The method provides the route recommendation for supporting the connection by applying the cost model. | 04-12-2012 |
20120213520 | Reachability Matrices Spanning Multiple Domains in an Optical Network - A method of providing routes through heterogeneous subsystems in an optical network is disclosed, which includes generating, using a processing device, a reachability matrix based on subnetwork information; and generating, using the processing device, a topology associated with the optical network using the reachability matrix. The method also includes determining, using the processing device, a shortest path through the optical network using the reachability matrix and a cost model graph; and displaying, using a graphical user interface, subsystems associated with the shortest path, regeneration locations associated with the shortest path, wavelengths associated with the shortest path, the topology, and the shortest path. Corresponding apparatus and computer-readable storage media are also disclosed. | 08-23-2012 |
20120308224 | Standby Restoration Signaling For Optical Networks - Systems and methods are described that provide a distributed restoration signaling protocol for shared mesh restoration with standbys for transparent optical networks. | 12-06-2012 |
20130236176 | Reachability Matrices Spanning Multiple Domains in an Optical Network - A method of providing routes through heterogeneous subsystems in an optical network is disclosed, which includes generating, using a processing device, a reachability matrix based on subnetwork information; and generating, using the processing device, a topology associated with the optical network using the reachability matrix. The method also includes determining, using the processing device, a shortest path through the optical network using the reachability matrix and a cost model graph; and displaying, using a graphical user interface, subsystems associated with the shortest path, regeneration locations associated with the shortest path, wavelengths associated with the shortest path, the topology, and the shortest path. Corresponding apparatus and computer-readable storage media are also disclosed. | 09-12-2013 |
20130279899 | METHOD AND APPARATUS FOR PROVIDING A CONTROL PLANE ACROSS MULTIPLE OPTICAL NETWORK DOMAINS - Method and apparatus for providing a control plane across multiple optical network domains is described. In one example, topology and resource discovery is employed in a transport network having a plurality of control domains. Topology information for each of the control domains is summarized to produce summarized topology information. The summarized topology information for each of the control domains is exchanged among the control domains. At each of the control domains, the summarized topology information of each of the control domains is combined to produce combined topology information. The combined topology information is passed among network elements within each of the control domains using an intra-domain routing protocol. | 10-24-2013 |
Patent application number | Description | Published |
20080253281 | Bandwidth Management for MPLS Fast Rerouting - Certain exemplary embodiments provide a method comprising: in a network at a node located on a label switched path: selecting a backup path to respond to a failure; and for each link along the backup path, reserving a backup bandwidth, wherein the backup bandwidth is sufficient to reroute traffic around the failure. | 10-16-2008 |
20090190478 | SYSTEM AND METHOD FOR RESTORATION IN A MULTIMEDIA IP NETWORK - Disclosed herein are systems, methods, and computer readable media for modifying IP backbone link weights such that multicast traffic and unicast traffic will not travel on a same path between nodes. The method comprises assigning link weights to nodes within an IP backbone such that multicast forwarding paths and unicast forwarding paths are failure disjoint, and delivering undelivered multicast packets using IP unicast encapsulation to the loopback address of next hop router on a multicast tree upon link/interface failure. | 07-30-2009 |
20110038251 | SYSTEM AND METHOD FOR RESTORATION IN A MULTIMEDIA IP NETWORK - Disclosed herein are systems, methods, and computer readable media for modifying IP backbone link weights such that multicast traffic and unicast traffic will not travel on a same path between nodes. The method comprises assigning link weights to nodes within an IP backbone such that multicast forwarding paths and unicast forwarding paths are failure disjoint, and delivering undelivered multicast packets using IP unicast encapsulation to the loopback address of next hop router on a multicast tree upon link/interface failure. | 02-17-2011 |
20120243407 | Bandwidth management for MPLS fast rerouting - Certain exemplary embodiments provide a method comprising: in a network at a node located on a label switched path: selecting a backup path to respond to a failure; and for each link along the backup path, reserving a backup bandwidth, wherein the backup bandwidth is sufficient to reroute traffic around the failure. | 09-27-2012 |
20130155840 | Bandwidth management for MPLS fast rerouting - Certain exemplary embodiments provide a method comprising: in a network at a node located on a label switched path: selecting a backup path to respond to a failure; and for each link along the backup path, reserving a backup bandwidth, wherein the backup bandwidth is sufficient to reroute traffic around the failure. | 06-20-2013 |
Patent application number | Description | Published |
20130257826 | Liquid Crystal Display and Overdriving Method Thereof - The present invention discloses an overdriving method for a liquid crystal display (LCD). The overdriving method includes steps of dividing a display area of the LCD into a plurality of sub-areas; and driving the sub-areas with a plurality of corresponding overdriving tables according to locations of the sub-areas in the display region. The plurality overdriving tables are corresponding to a plurality of overdriving capability. | 10-03-2013 |
20140050402 | METHOD OF AUTOMATICALLY DETECTING IMAGE FORMAT AND DEVICE THEREOF - A method of detecting image format includes dividing a single-frame image into a plurality of macro-blocks; calculating a correlation coefficient of a left-half image of the single-frame image and a right-half image of the single-frame image as a first global similarity; calculating a correlation coefficient of a top-half image of the single-frame image and a bottom-half image of the single-frame image as a second global similarity; calculating a portion difference of each macro-block; comparing the portion differences of the left-half image and the right-half image, for acquiring a first local similarity; comparing the portion differences of the top-half image and the bottom-half image, for acquiring a second local similarity; and detecting an image format of the single-frame image according to the first global similarity, the second global similarity, the first local similarity, the second local similarity, a first threshold and a second threshold. | 02-20-2014 |
20140132742 | Three-Dimensional Stereo Display Device and Method - A method is disclosed for display images on a three-dimensional stereo display device includes generating a detection result according to user information, and generating a disparity range signal according to the detection signal, a display information and a comfort model, retrieving a dense disparity map signal of an original display signal. The method also includes generating an adjusted disparity map signal according to the disparity range signal and the dense disparity map signal and outputting an adjusted display signal according to the adjusted disparity map signal and the original display signal, to process a three-dimensional stereo display operation of the three-dimensional stereo display device. | 05-15-2014 |
20150023585 | Matching search method and system - A matching search method is utilized for performing a matching search from a first image block to a second image block in a stereo matching system. The matching search method includes obtaining a global offset of the first image block corresponding to the second image block according to an offset relationship between a first image data of the first image block and a second image data of the second image block; and performing the matching search from the first image block to the second image block according to the global offset and a searching range. | 01-22-2015 |
20150029240 | Data interpolation method and system - A data interpolation method is utilized for obtaining an interpolation data of an interpolation point in a destination data, and a data number of the destination data has a horizontal magnification factor and a vertical magnification factor compared to a data number of a source data. The data interpolation method includes obtaining an input data from the source data according to an interpolation position of the interpolation point corresponding to the destination data, the horizontal magnification factor, and the vertical magnification factor, wherein the input data includes a plurality of input pixel values corresponding to a plurality of pixels; performing at least one reordering and interpolation calculating process on the plurality of input pixel values to obtain a plurality of output pixel values; and selecting an output pixel value from the plurality of output pixel values and outputting the output pixel value as the interpolation data of the interpolation point. | 01-29-2015 |
20150063680 | Disparity Calculating Method and Stereo Matching Device thereof - A disparity calculating method includes generating an energy matrix according to a first image-block and a second image-block, wherein the energy matrix includes a plurality of energies of a plurality of pixels corresponding to a plurality of disparity candidates; setting the energy corresponding to a starting pixel of the plurality of pixels and a specified disparity candidate of the plurality of disparity candidates as a first predetermined value and setting the energies corresponding to the starting pixel and other disparity candidates of the plurality of disparity candidates as a second predetermined value, wherein the second predetermined value is greater than the first predetermined value; generating a path matrix according to the energy matrix; and determining a plurality of disparities of the plurality of pixels sequentially from an ending pixels of the plurality of pixels, wherein the disparity of the ending pixel is set as a third predetermined value. | 03-05-2015 |
20150085085 | DISPARITY CALCULATING METHOD AND STEREO MATCHING SYSTEM THEREOF - A disparity calculating method for a stereo matching system includes calculating a global energy matrix according to a first image, a second image and a previous disparity matrix of a previous frame; calculating a global disparity matrix according to the global energy matrix and a first stereo matching algorithm; calculating a local energy matrix between a first image block of the first image and a second image block of the second image according to the first image block, the second image block, a previous block disparity matrix and the global disparity matrix; and calculating a local disparity matrix between the first image block and the second image block according to the local energy matrix and a second stereo matching algorithm. | 03-26-2015 |