Patents by Inventor Sridhar Srinivasan

Sridhar Srinivasan 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).

  • Patent number: 9432686
    Abstract: Techniques and tools for video coding/decoding with motion resolution switching and sub-block transform coding/decoding are described. For example, a video encoder adaptively switches the resolution of motion estimation and compensation between quarter-pixel and half-pixel resolutions; a corresponding video decoder adaptively switches the resolution of motion compensation between quarter-pixel and half-pixel resolutions. For sub-block transform sizes, for example, a video encoder adaptively switches between 8×8, 8×4, and 4×8 DCTs when encoding 8×8 prediction residual blocks; a corresponding video decoder switches between 8×8, 8×4, and 4×8 inverse DCTs during decoding.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: August 30, 2016
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Pohsiang Hsu, Chih-Lung Lin, Ming-Chieh Lee, Thomas W. Holcomb, Sridhar Srinivasan
  • Publication number: 20160227215
    Abstract: Techniques and tools for video coding/decoding with sub-block transform coding/decoding and re-oriented transforms are described. For example, a video encoder adaptively switches between 8×8, 8×4, and 4×8 DCTs when encoding 8×8 prediction residual blocks; a corresponding video decoder switches between 8×8, 8×4, and 4×8 inverse DCTs during decoding. The video encoder may determine the transform sizes as well as switching levels (e.g., frame, macroblock, or block) in a closed loop evaluation of the different transform sizes and switching levels. When a video encoder or decoder uses spatial extrapolation from pixel values in a causal neighborhood to predict pixel values of a block of pixels, the encoder/decoder can use a re-oriented transform to address non-stationarity of prediction residual values.
    Type: Application
    Filed: December 30, 2015
    Publication date: August 4, 2016
    Applicant: Microsoft Technology Licensing, LLC
    Inventors: Sridhar Srinivasan, Thomas W. Holcomb, Chih-Lung Lin, Pohsiang Hsu, Ming-Chieh Lee
  • Patent number: 9405645
    Abstract: A virtual environment service obtains automatically collected diagnostic information from a deployed instance of a computer system and automatically generates a reproduction of an environment of the instance of the computer system, based upon the collected diagnostic data. User interactions with the virtual diagnostic environment can be recorded to identify a technical issue with the deployed instance of the computer system. A fix for the issue is applied in the virtual diagnostic environment so that it can be verified by the user prior to applying it to the deployed instance.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: August 2, 2016
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Satish Thomas, Yi Zhang, Murtaza Chowdhury, Sridhar Srinivasan, John Hal Howard
  • Patent number: 9396556
    Abstract: A system, a method and computer-readable media for encoding image data into a compressed bitstream. A mode selection component is configured to select a mode of operation for use in encoding image data. A spatial mode encoder is utilized when the mode selection component selects a spatial mode of operation. The spatial mode encoder is configured to encode the image data into packets by organizing the image data in accordance with a spatial partitioning. A frequency mode encoder is utilized when the mode selection component selects a frequency mode of operation. The frequency mode encoder is configured to encode the image data into packets by organizing the image data in accordance with a frequency ordering.
    Type: Grant
    Filed: February 13, 2013
    Date of Patent: July 19, 2016
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Chengjie Tu, Sridhar Srinivasan
  • Publication number: 20160198164
    Abstract: Described tools and techniques relate to signaling for DC coefficients at small quantization step sizes. The techniques and tools can be used in combination or independently. For example, a tool such as a video encoder or decoder processes a VLC that indicates a DC differential for a DC coefficient, a FLC that indicates a value refinement for the DC differential, and a third code that indicates the sign for the DC differential. Even with the small quantization step sizes, the tool uses a VLC table with DC differentials for DC coefficients above the small quantization step sizes. The FLCs for DC differentials have lengths that vary depending on quantization step size.
    Type: Application
    Filed: March 11, 2016
    Publication date: July 7, 2016
    Applicant: Microsoft Technology Licensing, LLC
    Inventors: Chih-Lung Lin, Shankar Regunathan, Sridhar Srinivasan
  • Patent number: 9383916
    Abstract: One or more techniques and/or systems are disclosed for efficiently organizing images in a display. A size of an image is scaled by an image scale factor, while an aspect ratio for the image is maintained, where the image scale factor comprises a combination of a first scale distance and a second scale distance. The scaled image is filled into a first display line, if the size of the scaled image is not greater than an amount of display space remaining in the first display line; otherwise the scaled image is filled into a second display line. The image is expanded to mitigate white space in the display after the scaling, while maintaining the image's aspect ratio. This can be performed for a collection of images presented on a display to provide an enhanced user experience.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: July 5, 2016
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Sridhar Srinivasan, Rui Zhu, Justin Samuel Denney
  • Patent number: 9363536
    Abstract: Techniques and tools for performing fading compensation in video processing applications are described. For example, during encoding, a video encoder performs fading compensation using fading parameters comprising a scaling parameter and a shifting parameter on one or more reference images. During decoding, a video decoder performs corresponding fading compensation on the one or more reference images.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: June 7, 2016
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Sridhar Srinivasan, Shankar Regunathan
  • Patent number: 9348505
    Abstract: One or more techniques and/or systems are disclosed for efficiently organizing images in a display. A size of an image is scaled by an image scale factor, while an aspect ratio for the image is maintained, where the image scale factor comprises a combination of a first scale distance and a second scale distance. The scaled image is filled into a first display line, if the size of the scaled image is not greater than an amount of display space remaining in the first display line; otherwise the scaled image is filled into a second display line. The image is expanded to mitigate white space in the display after the scaling, while maintaining the image's aspect ratio. This can be performed for a collection of images presented on a display to provide an enhanced user experience.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: May 24, 2016
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Sridhar Srinivasan, Rui Zhu, Justin Samuel Denney
  • Publication number: 20160139910
    Abstract: Policy-driven management of application traffic is provided for services to cloud-based applications. A steering policy refers to a set of rules is generated for a deployment from a current code environment to one or more replicated code environment differing in some key respect. The steering policy can guide steering decisions between the current and updated code environments. A steering server uses the steering policy to make decisions about whether to send service requests to the current code environment or the updated code environment. Feedback concerning actual steering decisions made by the steering server is received (e.g., performance metrics). The steering policy is automatically adjusted in response to the feedback.
    Type: Application
    Filed: November 12, 2015
    Publication date: May 19, 2016
    Inventors: Ragavan Ramanathan, Alak Deb, Sudarshan Raghavan, Anirudha Kamatgi, Sridhar Srinivasan, Girish Karthik Ramasamy, Srinath Chandrashekhar, Akshay Mathur
  • Patent number: 9342220
    Abstract: An instance of an existing data system has one or more processes. Each process has corresponding metadata. In one example method, metadata for a given process is accessed and a visual diagram of the process is automatically generated based on the diagram. The visual diagram is displayed on a user interface display and a user modification input is received on the user interface display modifying the visual diagram to obtain a modified visual diagram. The metadata corresponding to the process is modified based on the modification to the visual diagram.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: May 17, 2016
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Arijit Basu, Tao Wang, Yi Zhang, Sheng Peng, Sridhar Srinivasan
  • Patent number: 9313509
    Abstract: Described tools and techniques relate to signaling for DC coefficients at small quantization step sizes. The techniques and tools can be used in combination or independently. For example, a tool such as a video encoder or decoder processes a VLC that indicates a DC differential for a DC coefficient, a FLC that indicates a value refinement for the DC differential, and a third code that indicates the sign for the DC differential. Even with the small quantization step sizes, the tool uses a VLC table with DC differentials for DC coefficients above the small quantization step sizes. The FLCs for DC differentials have lengths that vary depending on quantization step size.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: April 12, 2016
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Chih-Lung Lin, Shankar Regunathan, Sridhar Srinivasan
  • Publication number: 20160063172
    Abstract: Aspects of the disclosed technology relate to techniques of connectivity-aware reduction of layout data. With various implementations of the disclosed technology, circuit elements of interest are selected in a circuit design which includes netlist information and layout data. Based at least on pins for the circuit elements of interest, the circuit elements of interest, or both, nets of interest are determined. Cells of interest, comprising cells that are identified based at least on pins for the circuit elements of interest, the circuit elements of interest, or both, are then determined. Based on the nets of interest and the cells of interest, layout geometric elements are selected and may be analyzed for design verification. For electrostatic discharge (ESD) protection verification, the cells of interest may further comprise cells that include portions of power supply grids on top metal layers.
    Type: Application
    Filed: March 19, 2015
    Publication date: March 3, 2016
    Inventors: Yi-Ting Lee, Sridhar Srinivasan, Hung-Hsu Feng
  • Patent number: 9258570
    Abstract: Techniques and tools for video coding/decoding with sub-block transform coding/decoding and re-oriented transforms are described. For example, a video encoder adaptively switches between 8×8, 8×4, and 4×8 DCTs when encoding 8×8 prediction residual blocks; a corresponding video decoder switches between 8×8, 8×4, and 4×8 inverse DCTs during decoding. The video encoder may determine the transform sizes as well as switching levels (e.g., frame, macroblock, or block) in a closed loop evaluation of the different transform sizes and switching levels. When a video encoder or decoder uses spatial extrapolation from pixel values in a causal neighborhood to predict pixel values of a block of pixels, the encoder/decoder can use a re-oriented transform to address non-stationarity of prediction residual values.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: February 9, 2016
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Sridhar Srinivasan, Thomas W. Holcomb, Chih-Lung Lin, Pohsiang Hsu, Ming-Chieh Lee
  • Publication number: 20160025948
    Abstract: Various embodiments include methods, systems, and apparatus for optically aligning multiple sensors in a multi-sensor electro-optical (EO) system. Various embodiments include ways of aligning these sensors using a combination of optical elements.
    Type: Application
    Filed: July 25, 2015
    Publication date: January 28, 2016
    Inventors: Arvind Lakshmikumar, Ankit Kumar, Vishal Dugar, SRIDHAR SRINIVASAN IYENGAR
  • Publication number: 20160017696
    Abstract: Methods for determining parameter/s of a well completion design (WCD) for at least a portion of a drilled well based on drilling data corresponding to variables of mechanical specific energy (MSE) are provided. In some cases, MSE values may be acquired and the WCD parameter/s may be based on the MSE values. The MSE values may be obtained from a provider or may be acquired by calculating the MSE values via the drilling data. In some cases, the data may be amended prior to determining the WCD parameter/s to substantially neutralize distortions of the data. In some cases, the methods may include creating a geomechanical model of the drilled well from acquired MSE values, optionally amending the geomechanical model and determining the WCD parameter/s from the geomechanical model. Storage mediums having program instructions which are executable by a processor for performing any steps of the methods are also provided.
    Type: Application
    Filed: June 9, 2015
    Publication date: January 21, 2016
    Inventors: Sridhar Srinivasan, William Dale Logan
  • Patent number: 9239732
    Abstract: One or more techniques and/or systems are disclosed for improving asynchronous programming execution at runtime. Asynchronous programming code can comprise more than one level of hierarchy, such as in an execution plan. Respective aggregation operations in a portion of the asynchronous programming code are unrolled, to create a single level iterative execution, by combining elements of the multi-level iterative execution of the asynchronous programming code. In this way, the aggregation operations are concatenated to local logic code for the aggregation operations. Thread context switching in the unrolled portion of asynchronous programming code is performed merely at an asynchronous operation, thereby mitigating unnecessary switches. Exceptions thrown during programming code can be propagated up to a top of a virtual callstack for the execution.
    Type: Grant
    Filed: February 16, 2011
    Date of Patent: January 19, 2016
    Assignee: Microsoft Technology Licensing LLC
    Inventors: Xiaoxuan Zhao, Sridhar Srinivasan, Xiang Zhou, Fengbin Jiang
  • Publication number: 20150334416
    Abstract: A video codec provides for encoding and decoding pictures of a video sequence at various coded resolutions, such that pictures can be encoded at lower coded resolutions based on bit rate or other constraints while maintaining a consistent display resolution. The video codec employs a coding syntax where a maximum coded resolution is signaled at the sequence level of the syntax hierarchy, whereas a lower coded resolution is signaled at the entry point level for a segment of one or more intra-coded frames and frames predictively encoded based thereon. This allows the use of a separate out-of-loop resampler after the decoder to up-sample the pictures to the display resolution.
    Type: Application
    Filed: May 26, 2015
    Publication date: November 19, 2015
    Applicant: Microsoft Technology Licensing, LLC
    Inventors: Thomas W. Holcomb, Chih-Lung Lin, Sridhar Srinivasan, Pohsiang Hsu
  • Patent number: 9189582
    Abstract: This application discloses a voltage analysis tool to perform a static power aware analysis on a circuit design without having to simulate the circuit design. The voltage analysis tool can determine a set of components in the circuit design corresponds to a design pattern representing a voltage-transition device, and set an output voltage for the set of components based, at least in part, on characteristics of the voltage-transition device. The voltage analysis tool can propagate the output voltage to other portions of the circuit design, and determine whether the portions of the circuit design receiving the output voltage have a rule violation.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: November 17, 2015
    Assignee: Mentor Graphics Corporation
    Inventors: Sridhar Srinivasan, Mark Hofmann, Ziyang Lu
  • Publication number: 20150288962
    Abstract: Various techniques and tools for encoding and decoding (e.g., in a video encoder/decoder) binary information (e.g., skipped macroblock information) are described. In some embodiments, the binary information is arranged in a bit plane, and the bit plane is coded at the picture/frame layer. The encoder and decoder process the binary information and, in some embodiments, switch coding modes. For example, the encoder and decoder use normal, row-skip, column-skip, or differential modes, or other and/or additional modes. In some embodiments, the encoder and decoder define a skipped macroblock as a predicted macroblock whose motion is equal to its causally predicted motion and which has zero residual error. In some embodiments, the encoder and decoder use a raw coding mode to allow for low-latency applications.
    Type: Application
    Filed: June 22, 2015
    Publication date: October 8, 2015
    Applicant: MICROSOFT TECHNOLOGY LICENSING, LLC
    Inventors: Sridhar Srinivasan, Pohsiang Hsu
  • Patent number: 9148668
    Abstract: Techniques and tools for encoding and decoding motion vector information for video images are described. For example, a video encoder yields an extended motion vector code by jointly coding, for a set of pixels, a switch code, motion vector information, and a terminal symbol indicating whether subsequent data is encoded for the set of pixels. In another aspect, an encoder/decoder selects motion vector predictors for macroblocks. In another aspect, a video encoder/decoder uses hybrid motion vector prediction. In another aspect, a video encoder/decoder signals a motion vector mode for a predicted image. In another aspect, a video decoder decodes a set of pixels by receiving an extended motion vector code, which reflects joint encoding of motion information together with intra/inter-coding information and a terminal symbol. The decoder determines whether subsequent data exists for the set of pixels based on e.g., the terminal symbol.
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: September 29, 2015
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Sridhar Srinivasan, Pohsiang Hsu, Thomas W. Holcomb, Kunal Mukerjee, Bruce Chih-Lung Lin