Patents by Inventor Shu Xiao
Shu Xiao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9173584Abstract: An imaging and recordation system is provided. The system includes a high-power, focusing antenna for illuminating biological tissue. The system further includes a power source for powering the antenna. The system further includes a data acquisition module, for recording the dielectric properties of tissues illuminated by the high-power, focusing antenna. The system illuminates the tissues using ultrashort electrical pulses.Type: GrantFiled: December 19, 2008Date of Patent: November 3, 2015Assignee: OLD DOMINION UNIVERSITY RESEARCH FOUNDATIONInventors: Karl H. Schoenbach, Shu Xiao
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Patent number: 9154787Abstract: The techniques of this disclosure are generally related to parallel coding of video units that reside along rows or columns of blocks in largest coding units. For example, the techniques include removing intra-prediction dependencies between two video units in different rows or columns to allow for parallel coding of rows or columns of the video units.Type: GrantFiled: January 17, 2013Date of Patent: October 6, 2015Assignee: QUALCOMM IncorporatedInventors: Sanjeev Kumar, Hsiao-Chiang Chuang, Shu Xiao, Kai Wang, Xianglin Wang, Wei-Jung Chien, Marta Karczewicz, Vadim Seregin
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Publication number: 20150022677Abstract: Described herein are methods, systems, and apparatus to process video images to remove jitteriness due to hand shake. In one aspect, a camera is configured to capture raw video composed of a series of successive image frames of a scene of interest. A processor is configured to receive the image frames, estimate a global camera motion from successive frames, stabilize the camera motion by establishing an upper bound and a lower bound of the global camera motion and smoothing the curve of camera motion between the upper and lower bounds, and upsample the resulting stabilized video frames to produce a smooth video.Type: ApplicationFiled: July 16, 2013Publication date: January 22, 2015Inventors: Kai Guo, Shu Xiao, Prasanjit Panda
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Publication number: 20140364797Abstract: Systems and methods for treatment of a biological tissues comprising target tissues and other tissues. The method includes elevating a temperature of the target tissues above a physiological temperature of the biological tissues to treatment temperature, and generating an electric field extending through at least a portion of the target tissues using a pre-defined sequence of short voltage pulses applied between at least two electrodes. In the method, the treatment temperature is maintained during the generating. Further, the pre-defined sequence is selected such that a magnitude of the electric field generated is sufficient to induce electromanipulation in the portion of the target tissues without substantially elevating of the temperature of the portion of the target tissues above the treatment temperature.Type: ApplicationFiled: December 20, 2012Publication date: December 11, 2014Inventors: Karl H. Schoenbach, Richard Heller, James Camp, Stephen P. Beebe, Shu Xiao, Amy Donate
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Publication number: 20140222126Abstract: A system for treatment of biological tissues is provided. The system includes a lens having a hollow, substantially hemispherical shape with an outer surface and an inner surface, the inner surface defining a substantially hemispherical cavity for inserting the biological tissues. The system further includes an antenna assembly for generating and directing electromagnetic radiation towards the outer surface. In the system, the lens is configured to direct the electromagnetic energy to an area in the cavity, a dielectric constant of the lens at the inner surface substantially matches a dielectric constant of the biological tissues, the dielectric constant monotonically increases from the outer surface to the inner surface, and the electromagnetic energy is generated via a series of pulses having a transient of less than about 1 nanosecond.Type: ApplicationFiled: February 3, 2014Publication date: August 7, 2014Applicant: OLD DOMINION UNIVERSITY RESEARCH FOUNDATIONInventors: Shu Xiao, Andrei Pakhomov, Karl H. Schoenbach
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Publication number: 20140169483Abstract: An apparatus configured to filter video information according to certain aspects includes a memory unit and a processor in communication with the memory unit. The memory unit stores video information comprising at least two adjacent video blocks, each video block comprising a plurality of video samples, and each video sample having a bit depth. The processor determines a filtered video sample based at least in part on a video sample and an adjustment value. The processor determines the adjustment value at least in part from an input with a limited bit depth. The input is determined from a set of one or more video samples, and its bit depth is limited such that it is less than the bit depth of the one or more video samples.Type: ApplicationFiled: December 19, 2012Publication date: June 19, 2014Applicant: Qualcomm IncorporatedInventors: Sanjeev Kumar, Geert Van der Auwera, Kai Wang, Shu Xiao, Marta Karczewicz
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Patent number: 8682426Abstract: A medical instrument for delivering electrotherapy to tissue that includes an outer support member having a ground plate at a distal end of the outer support member, and a protrusive element having a tip that extends beyond the ground plate. A portion of the protrusive element proximate the ground plate can act as an electrical insulator and a portion of the protrusive element proximate the distal end of the protrusive element can include a first electrode. The protrusive element can be designed to penetrate into tissue below a tissue surface while a tissue contacting surface of the ground plate rests against the tissue surface. Also disclosed are systems incorporating the medical instrument and methods of electrotherapy to subsurface tissue using the medical instrument.Type: GrantFiled: April 6, 2009Date of Patent: March 25, 2014Assignee: Old Dominion Research FoundationInventors: Karl H. Schoenbach, Stephen J. Beebe, Tammo Heeren, Juergen F. Kolb, Shu Xiao, Richard Blomgren, Roelof Trip
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Patent number: 8576916Abstract: Techniques for reducing bus traffic during texture decoding of a video bitstream are provided. In one configuration, a wireless communication device (e.g., cellular phone, etc.) comprises a processor configured to execute instructions operative to decode and separate in a bitstream macroblock (MB) information and residual packet data. The residual packet data is used to generate codec-independent non-zero MB-packets having a universal order that is codec independent. The codec-independent non-zero MB-packets and MB information are then used for reconstructing pixels of a respective frame of the video bitstream.Type: GrantFiled: October 8, 2008Date of Patent: November 5, 2013Assignee: QUALCOMM IncorporatedInventors: Shu Xiao, Junchen Du
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Publication number: 20130188732Abstract: A method for performing texture decoding in a multi-threaded processor includes substantially simultaneously decoding, in multiple hardware threads, at least two macro-blocks of a VP8 frame. Each hardware thread decodes one macro-block at a time. The method may also include assigning a macro-block from the at least two macro-blocks of the VP8 frame to a hardware thread of the multi-threaded processor.Type: ApplicationFiled: January 20, 2012Publication date: July 25, 2013Applicant: QUALCOMM INCORPORATEDInventors: Bo Zhou, Shu Xiao, Junchen Du, Suhail Jalil
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Patent number: 8199829Abstract: Decoding systems and methods are disclosed. In a particular embodiment, a video decoder system includes a first decoding path and a second decoding path configured to decode at a slower average rate than the first decoding path. The video decoder system includes a dynamic switch configured to provide a first portion of the encoded video signal to the first decoding path or to the second decoding path. The dynamic switch is further configured to provide a subsequent portion of the encoded video signal to the first decoding path or to the second decoding path in response to a value of a decoding metric associated with decode processing of the first portion.Type: GrantFiled: August 25, 2008Date of Patent: June 12, 2012Assignee: QUALCOMM IncorporatedInventors: Shu Xiao, Yiliang Bao, Sitaraman Ganapathy Subramanian
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Publication number: 20120089209Abstract: A method of treating a patient is described herein. The method can include the steps of identifying a target that contains biological tissue and directing one or more pulses of electromagnetic radiation at the target. The pulses of electromagnetic radiation can cause a temperature increase per unit of time in the biological tissue. Additionally, the temperature increase per unit of time can cause the change in the cell function in the biological tissue and can be within a range of approximately one degree Celsius per second to approximately one degree Celsius per microsecond.Type: ApplicationFiled: April 29, 2010Publication date: April 12, 2012Applicant: OLD DOMINION UNIVERSITY RESEARCH FOUNDATIONInventors: Karl H. Schoenbach, Shu Xiao
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Publication number: 20120035511Abstract: A method of inducing local cell death in patient tissue is provided. The method includes generating first and second radiation, conveying the radiation to a focusing element, and focusing the radiation on a target with the focusing element. A system for inducing local cell death in patient tissue is also provided. The system includes a power source for generating narrow-band and/or ultra-wideband radiation, and a focusing element for focusing the radiation on a target.Type: ApplicationFiled: January 20, 2010Publication date: February 9, 2012Applicant: OLD DOMINION UNIVERSITY RESEARCH FOUNDATIONInventors: Karl H. Schoenbach, Shu Xiao
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Patent number: 7895250Abstract: The disclosure describes a method for performing a fixed point calculation of a floating point operation (A // B) in a coding device, wherein A // B represents integer division of A divided by B rounded to a nearest integer. The method may comprise selecting an entry from a lookup table (LUT) having entries generated as an inverse function of an index B, wherein B defines a range of values that includes every DC scalar value and every quantization parameter associated with a coding standard, and calculating A // B for coding according to the coding standard based on values A, B1 and B2, wherein B1 and B2 comprise high and low portions of the selected entry of the LUT. The techniques may simplify digital signal processor (DSP) implementations of video coders, and are specifically useful for MPEG-4 coders and possibly others.Type: GrantFiled: May 25, 2005Date of Patent: February 22, 2011Assignee: QUALCOMM IncorporatedInventors: Shu Xiao, Junchen Du, Tao Shen
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Publication number: 20100278401Abstract: An imaging and recordation system is provided. The system includes a high-power, focusing antenna for illuminating biological tissue. The system further includes a power source for powering the antenna. The system further includes a data acquisition module, for recording the dielectric properties of tissues illuminated by the high-power, focusing antenna. The system illuminates the tissues using ultrashort electrical pulses.Type: ApplicationFiled: December 19, 2008Publication date: November 4, 2010Applicant: Old Dominion University Research FoundationInventors: Karl H. Schoenbach, Shu Xiao
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Patent number: 7773004Abstract: Techniques for decoding the run_before fields in a CAVLC encoded bitstream for H.264 are disclosed. In one aspect, the codewords corresponding to a plurality of consecutive initial zero-value run_before codewords are stored in a look-up table, allowing the decoding of such a plurality of run_before codewords in a single computation cycle. In another aspect, the look-up table is additionally configured to decode the next non-zero run_before value after the initial zero-value run_before codewords in the same computation cycle.Type: GrantFiled: July 8, 2008Date of Patent: August 10, 2010Assignee: QUALCOMM IncorporatedInventors: Shu Xiao, Ka-Shu Ko, Yiliang Bao
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Publication number: 20100086057Abstract: Techniques for reducing bus traffic during texture decoding of a video bitstream are provided. In one configuration, a wireless communication device (e.g., cellular phone, etc.) comprises a processor configured to execute instructions operative to decode and separate in a bitstream macroblock (MB) information and residual packet data. The residual packet data is used to generate codec-independent non-zero MB-packets having a universal order that is codec independent. The codec-independent non-zero MB-packets and MB information are then used for reconstructing pixels of a respective frame of the video bitstream.Type: ApplicationFiled: October 8, 2008Publication date: April 8, 2010Applicant: QUALCOMM IncorporatedInventors: Shu Xiao, Junchen Du
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Publication number: 20100046627Abstract: Decoding systems and methods are disclosed. In a particular embodiment, a video decoder system includes a first decoding path and a second decoding path configured to decode at a slower average rate than the first decoding path. The video decoder system includes a dynamic switch configured to provide a first portion of the encoded video signal to the first decoding path or to the second decoding path. The dynamic switch is further configured to provide a subsequent portion of the encoded video signal to the first decoding path or to the second decoding path in response to a value of a decoding metric associated with decode processing of the first portion.Type: ApplicationFiled: August 25, 2008Publication date: February 25, 2010Applicant: QUALCOMM INCORPORATEDInventors: Shu Xiao, Yiliang Bao, Sitaraman Ganapathy Subramanian
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Publication number: 20100007533Abstract: Techniques for decoding the run_before fields in a CAVLC encoded bitstream for H.264 are disclosed. In one aspect, the codewords corresponding to a plurality of consecutive initial zero-value run_before codewords are stored in a look-up table, allowing the decoding of such a plurality of run_before codewords in a single computation cycle. In another aspect, the look-up table is additionally configured to decode the next non-zero run_before value after the initial zero-value run_before codewords in the same computation cycle.Type: ApplicationFiled: July 8, 2008Publication date: January 14, 2010Applicant: QUALCOMM IncorporatedInventors: Shu Xiao, Ka-Shu Ko, Yiliang Bao
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Publication number: 20090299417Abstract: A medical instrument for delivering electrotherapy to tissue that includes an outer support member having a ground plate at a distal end of the outer support member, and a protrusive element having a tip that extends beyond the ground plate. A portion of the protrusive element proximate the ground plate can act as an electrical insulator and a portion of the protrusive element proximate the distal end of the protrusive element can include a first electrode. The protrusive element can be designed to penetrate into tissue below a tissue surface while a tissue contacting surface of the ground plate rests against the tissue surface. Also disclosed are systems incorporating the medical instrument and methods of electrotherapy to subsurface tissue using the medical instrument.Type: ApplicationFiled: April 6, 2009Publication date: December 3, 2009Inventors: KARL H. SCHOENBACH, Stephen J. Beebe, Tammo Heeren, Juergen F. Kolb, Shu Xiao, Richard Blomgren, Roelof Trip
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Patent number: 7342968Abstract: A method and system are disclosed for controlling the generation of a systems layer stream, such as a transport stream, that carries a program made up of at least one elementary stream, such as an encoded audio signal or an encoded video signal. The systems layer stream is made up of serial segments, such as packets, which contain information specific to the systems layer, such as headers, and segments of elementary stream data. The bit rate of one or more of the elementary streams is adapted in accordance with a dynamically changing relation that relates the bit rate of such elementary streams to the bit rate of the portion of the systems layer stream that carries them.Type: GrantFiled: August 13, 2003Date of Patent: March 11, 2008Assignee: SkyStream Networks Inc.Inventors: Jeyendran Balakrishnan, Shu Xiao