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Phanikumar K. Bhamidipati, San Diego US

Phanikumar K. Bhamidipati, San Diego, CA US

Patent application numberDescriptionPublished
20110138018MOBILE MEDIA SERVER - Mobile media server (MMS) includes MMS hosts and an MMS clients utilized for ubiquitous sharing of media content. An MMS host, which may be deployed on a mobile terminal such as a cellular telephone, can establish a logical link with an MMS client over an IP interface and initiate a streaming session with the MMS client. The MMS host may further retrieve media content from any source, such as a network source, locally stored content, or a camera and/or microphone on the MMS host, and serve the media content to the MMS client over the logical link.06-09-2011
20110164176TRANSPORT LAYER MODIFICATION TO ENABLE TRANSMISSION GAPS - White space devices are operable to communicate information over white space and, more specifically, to quiet a transmitter to enable sensing signals in the white space. A method for inconspicuous quieting of a transmitter in a white space communication device modifies a transport stream for transmission by the transmitter of the white space device to provide a null window of time. The null window does not contain essential information. At least a portion of the modified transport stream is transmitted by the transmitter of the white space device. The transmitter is quieted during the null window, and white space sensing is performed during the null window.07-07-2011
20110164177APPLICATION LAYER MODIFICATION TO ENABLE TRANSMISSION GAPS - Television white space devices are operable to communicate information over television white space and, more specifically, to quiet a transmitter for sensing signals in the television white space. A method for inconspicuous quieting of the transmitter in a television white space device inserts, from an application layer, information into a transport stream for transmission by the transmitter of the television white space device to produce a null window of time within the transport stream at a predetermined time. The method also transmits the transport stream by the transmitter of the television white space device and quiets the transmitter during the null window of time. The method senses, by a white space sensor of the television white space device, existing signals in the white space during the null window of time.07-07-2011
201200846523D VIDEO CONTROL SYSTEM TO ADJUST 3D VIDEO RENDERING BASED ON USER PREFERNCES - 3D image data can be modified based on user preference data received from a user. The user preference data may be received at a first device and used to adjust 3D image data generated by the first device for presentation by a display device, or the first device may receive the user preference data and transmit it to a display device such that the display device may adjust the 3D image data based on the user preference data. The 3D image data may be adjusted based on user preference data to support presentation of 3D imagery on the display device in a manner desired by a user. 3D user viewing preferences may include an amount of pop-out effect in images, a stereo baseline of images, a depth range of images, a spatial distribution of images, a degree of depth sharpness in images, or specification of a user's dominant eye.04-05-2012
20120311072MULTIPATH MANAGEMENT ARCHITECTURE AND PROTOCOLS FOR MOBILE MULTIMEDIA SERVICE WITH MULTIPLE DESCRIPTION CODING - A wireless communication method includes an aggregator requesting a first description substream of a multimedia service from a source over a first path, receiving confirmation that the source is available, and receiving a first substream of the service. The method includes determining if a quality of the first substream is satisfactory, and requesting to receive the multimedia service over at least one additional path from the same source. A wireless method of communication by a source device includes receiving a multimedia service request from an end device aggregator over a first path, sending an confirmation that the source is available and sending a first substream over the first path in response to the request. The method includes receiving a request to send the multimedia service over at least one additional path to the end device aggregator from the same source.12-06-2012
20120314948MULTIPLE DESCRIPTION CODING WITH PLURAL COMBINED DIVERSITY - An apparatus, system, and method utilizing multi-description coding (MDC) for multimedia content with a plurality of forms of diversity. A source scene can be fragmented into one or more region of interest (ROI) portions and non-ROI portions, based on motion or any other metric of interest. One or more of these portions can further be fragmented by sub-sampling the respective portions to generate a plurality of lower-resolution versions, e.g., with alternating groups of pixels in respective versions. Still further, one or more of these portions can be further fragmented by image frames, e.g., with alternating frames in respective fragments. At least one ROI portion and lower-resolution versions may then be encoded into a plurality of descriptions and transmitted. Utilizing various combinations of ROI diversity, resolution diversity, and frame rate diversity can improve channel utilization and robustness for streaming multimedia content.12-13-2012
20120317300MULTIPATH RATE ADAPTATION - An end-to-end multimedia streaming system can include a streaming server and a destination. The streaming server includes a content source, which sends multiple description coding-encoded content over a plurality of paths to the destination. The destination includes an aggregator for aggregating the descriptions from the multiple paths, decoding and recombining them to recover the content. A feedback sender at the destination generates traffic performance variables based on the channel conditions of the multiple paths, and sends these variables to a feedback receiver at the streaming server. The feedback receiver utilizes the feedback information to make adjustments to the transmissions of the content, and to synchronize the transmissions over the multiple paths.12-13-2012
20120321001SHARING MULTI DESCRIPTION CODED CONTENT UTILIZING PROXIMATE HELPERS - An apparatus, system, and method utilizing multi-description coding (MDC) and one or more cooperative helper nodes to send streaming content on an uplink to a client over multiple paths. The client receives the multiple descriptions and aggregates them together to ideally obtain the original content at its original quality; however, if one or more of the descriptions is lost in the transmission, then the entire content can be generated from the remaining one or more descriptions that did arrive successfully.12-20-2012
20130019024WIRELESS 3D STREAMING SERVERAANM Sheth; Soham V.AACI San DiegoAAST CAAACO USAAGP Sheth; Soham V. San Diego CA USAANM Raveendran; Vijayalakshimi R.AACI San DiegoAAST CAAACO USAAGP Raveendran; Vijayalakshimi R. San Diego CA USAANM Martinez Bauza; JuditAACI San DiegoAAST CAAACO USAAGP Martinez Bauza; Judit San Diego CA USAANM Bhamidipati; PhaniKumar K.AACI San DiegoAAST CAAACO USAAGP Bhamidipati; PhaniKumar K. San Diego CA USAANM Luo; XunAACI San DiegoAAST CAAACO USAAGP Luo; Xun San Diego CA US - An apparatus, system, method, and computer program product for streaming 3D content from a wireless device to a remote 3D display for the viewing of the 3D content on a larger screen. In some aspects, a wireless streaming server may encode 3D motion picture content in a certain format, where each image frame includes a 2D view concatenated side-by-side with a complementary frame of depth information. The combination of the 2D view and the depth information are capable of being processed by a client display to generate a stereoscopic image representing a 3D view.01-17-2013
20130195119FEEDBACK CHANNEL FOR WIRELESS DISPLAY DEVICES - A sink device in a Wireless Display (WD) system may send performance information feedback to a source device to adjust media data processing at the source device. The performance information feedback may include performance indicators of the WD system that are capable of being measured or calculated at the sink device based on received media data or request to adjust the transmission of media data. For example, the performance information feedback may include one or more of round trip delay, delay jitter, packet loss ratio, error distribution, and received signal strength indication (RSSI). The feedback channel may be piggybacked on a reverse channel architecture referred to as the User Input Back Channel (UIBC) implemented between the source device and the sink device.08-01-2013
20130308707METHODS AND DEVICE FOR DATA ALIGNMENT WITH TIME DOMAIN BOUNDARY - Apparatus and methods of using content information for encoding multimedia data are described. A method of processing multimedia data includes obtaining content information of multimedia data, and encoding the multimedia data so as to align a data boundary with a frame boundary in a time domain, wherein said encoding is based on the content information. In another aspect, a method of processing multimedia data includes obtaining a content classification of the multimedia data, and encoding blocks in the multimedia data as intra-coded blocks or inter-coded blocks based on the content classification to increase the error resilience of the encoded multimedia data. Apparatus that can process multimedia data described in these methods are also disclosed.11-21-2013
20130311694DEVICES AND METHODS FOR FACILITATING DIRECT PAIRING IN A WIRELESS DOCKING SYSTEM - Various aspects of the present disclosure enable a docking procedure where a dockee, when docking with a docking host that manages a docking environment, can become directly paired with the peripherals in the docking environment in a straightforward fashion. According to one example, a dockee may transmit a peripheral direct connect request to a docking host. In response, the docking host can send a peripheral direct pair request to the peripheral and a peripheral direct connect response to the dockee, where each message includes respective information to enable the direct pairing between the dockee and the peripheral. Other aspects, embodiments, and features are also included.11-21-2013
20140120829ESTABLISHING A WIRELESS DISPLAY SESSION BETWEEN A COMPUTING DEVICE AND A VEHICLE HEAD UNIT - This disclosure describes a method of transmitting media data from a source device, the method comprising establishing, with the source device, a first communication session between the source device and a sink device comprising a vehicle head unit, wherein the first communication session conforms to a communication protocol. The method also comprises discovering, with the source device and by the first communication session, the sink device. The method further comprises, during operation of the first communication session, establishing with the source device a second communication session between the source device and the sink device, wherein the second communication session conforms to a wireless display protocol. The method also comprises transmitting, using the second communication session, media data from the source device to the sink device for output to an interface of the sink device.05-01-2014
20140270534VIDEO RETARGETING USING SEAM CARVING - Aspects of the present disclosure provide improved image resizing techniques including seam craving and seam lining that consider image content in addition to geometric constraints. In one aspect of the disclosure, the energy for each of the pixels of an image is determined in accordance with an energy function. A line energy is determined for each straight line of the image, and the line energy corresponds to a sum of the energy of the pixels in each straight line. A plurality of starting points are identified for a plurality of seams corresponding to the straight lines having the lowest line energy. Further, the paths for each of the seams are determined. The image may be resized by removing the seams from the image.09-18-2014
20140281005VIDEO RETARGETING USING SEAM CARVING - Aspects of the present disclosure provide for efficient streaming of video sequences in such a way that multiple receiving devices can simultaneously display the video sequence at their full resolution. For example, some aspects of the disclosure combine seam carving, for retargeting a video sequence, with multiple description coding, for transmission of two or more streams corresponding to descriptions of the video sequence. At the receiving end, the descriptions can be aggregated and decoded, and optionally, resized to full HD resolution utilizing seam lining.09-18-2014
20150029322METHOD AND COMPUTATIONS FOR CALCULATING AN OPTICAL AXIS VECTOR OF AN IMAGED EYE - Systems and methods for determining an optical axis vector of an eye in a three-axis coordinate system. An ellipse equation defining an iris disc corresponding to the eye, is determined on an XY plane of the three-axis coordinate system. A set of equations is derived based on the ellipse equation corresponding to a plurality of edge points of the iris disc in the three-axis coordinate system. An estimated iris diameter is iteratively calculated until a difference between the estimated iris diameter and a predetermined iris diameter is less than a threshold. The iterative calculation includes calculating a composite optical axis vector of the eye in the three-axis coordinate system based on solutions for the iris diameter.01-29-2015

Patent applications by Phanikumar K. Bhamidipati, San Diego, CA US

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