Patents by Inventor Rajat Kumar

Rajat Kumar 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).

  • Publication number: 20230281427
    Abstract: Existing privacy-preserving techniques suffer from inherent drawbacks to retain characteristics of observed, and original industrial time series data for utility in the downstream tasks such as process modelling, control, optimization and etc. The embodiments herein provide a method and system for privacy preserving generative mechanism for data-disclosure of the industrial multivariate mixed-variable time series data. The system fuses an industrial time series data with a random gaussian noise to preserve the privacy of the industrial time series data and trades-off the privacy with the utility of synthetic-private data. Further, the system presents the privacy-preserving synthetic industrial data generative mechanism for data disclosure with minimal risk of AI technique and strong privacy guarantees.
    Type: Application
    Filed: May 31, 2022
    Publication date: September 7, 2023
    Applicant: Tata Consultancy Services Limited
    Inventors: SAGAR SRINIVAS SAKHINANA, VENKATARAMANA RUNKANA, RAJAT KUMAR SARKAR
  • Publication number: 20230281428
    Abstract: Recent advances and techniques in missing data imputation suffer from inherent limitations of preserving the relationship among the input feature attributes and the target variable and temporal relations between observations spanning across timeframes because of which it is also challenging to reconcile missing data for any downstream tasks. Present disclosure provides system and method that implement for congeniality-preserving Generative Adversarial Networks (cpGAN) for imputing low-dimensional incomplete multivariate industrial time-series data. The method minimizes the rubric based on the information theory for Machine Learning (ML) between the empirical probability distributions of the reconcile data and the non-linear original data to preserve the temporal dependencies and retain the input feature-attributes and target-variable relationship and probability distributions of the original data.
    Type: Application
    Filed: July 27, 2022
    Publication date: September 7, 2023
    Applicant: Tata Consultancy Services Limited
    Inventors: SAGAR SRINIVAS SAKHINANA, RAJAT KUMAR SARKAR, VENKATARAMANA RUNKANA
  • Patent number: 11720478
    Abstract: A system and method for automated validation testing of software applications during software development and after development stages of the product life lifecycle. The disclosed system uses pre-trained machine learning models and image recognition algorithms to generate test cases and test data from text and images in product specification documents of the software applications.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: August 8, 2023
    Inventors: Rajat Kumar, Sugandha Kapoor
  • Publication number: 20230198845
    Abstract: Embodiments of systems and methods of configuring a cluster of servers is disclosed. In one embodiment of a method, an orchestrator application registers a cluster of servers. The orchestrator application installs a monitoring agent on the cluster of servers with application, wherein the orchestrator application is configured to generate agent configuration data in response to installing the monitoring agent. In response to installing the monitoring agent, the agent configuration data is sent to a cluster monitoring application. The cluster monitoring application configures, the monitoring agent to transmit cluster operation data to the cluster monitoring application based on the sent agent configuration data.
    Type: Application
    Filed: December 16, 2021
    Publication date: June 22, 2023
    Inventors: Mohit LUTHRA, Abhishek SHARMA, Suyash Arun BHATKAR, Bharath RATHINAM, Rajat Kumar SINGH
  • Patent number: 11657082
    Abstract: Systems and methods for displaying media files on a device are provided. The device provides a first mode that displays a subset of media files, determined by a user query, from a plurality of media files. Once activated, the first mode persists on the device prior to becoming inactive. A second mode of the device displays the plurality of media files. The second mode is active when the first mode is inactive. An instruction is received from a user. When the instruction specifies the first mode by inclusion of a user query, a corresponding subset of files is obtained from a remote system. The subset of files is sequentially displayed until the period of time has elapsed according to the first mode. When the instruction does not specify a query, the plurality of files is polled for from a remote device and sequentially displayed according to the second mode.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: May 23, 2023
    Assignee: Google LLC
    Inventors: Andrew John Gasparovic, Andrew Fergus Simpson, Christopher Joseph Findeisen, Rajat Kumar Paharia, Ravi Gauba, Ying Zhang
  • Publication number: 20230107141
    Abstract: Systems and methods for adjusting light emitted from a display of a device are provided. The adjusting includes obtaining, from light of an environment detected by at least one sensor, a measured color of light of the environment, and obtaining, from light of the environment detected by at least one sensor, a measured brightness of light of the environment. In response to the obtaining the measured color and the measured brightness of light, a color of light emitted from the display is adjusted from an initial color prior to the adjusting to a target color that matches the measured color. Further, a brightness of light emitted from the display is adjusted from an initial brightness emitted by the display prior to the adjusting to a target brightness that matches the measured brightness of light.
    Type: Application
    Filed: November 30, 2022
    Publication date: April 6, 2023
    Applicant: Google LLC
    Inventors: Andrew Fergus Simpson, Ying Zhang, Tuan Nguyen, Ryan Ki Sing Chung, Christopher Joseph Findeisen, Chintan Trehan, Rajat Kumar Paharia
  • Publication number: 20230012372
    Abstract: A method for generating a three-dimensional (3D) model of an object includes receiving a two-dimensional (2D) view of at least one object as an input, measuring geometrical shape coordinates of the at least one object from the input, identifying texture parameters of the at least one object from the input, predicting geometrical shape coordinates and texture parameters of occluded portions of the at least one object in the 2D view by processing the measured geometrical shape coordinates of the at least one object, the identified texture parameters of the at least one object, and the occluded portions of the at least one object, and generating a 3D model of the at least one object by mapping the measured geometrical shape coordinates and the identified texture parameters to the predicted geometrical shape coordinates and the predicted texture parameters of the occluded portions of the at least one object.
    Type: Application
    Filed: September 20, 2022
    Publication date: January 12, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sujoy Saha, Mahantesh Mallappa Ambi, Rajat Kumar Jain, Amita Badhwar, Aditi Singhal, Rakesh Abothula, Lokesh Rayasandra Boregowda
  • Patent number: 11538439
    Abstract: Systems and methods for adjusting light emitted from a display of a device are provided. The adjusting includes obtaining, from light of an environment detected by at least one sensor, a measured color of light of the environment, and obtaining, from light of the environment detected by at least one sensor, a measured brightness of light of the environment. In response to the obtaining the measured color and the measured brightness of light, a color of light emitted from the display is adjusted from an initial color prior to the adjusting to a target color that matches the measured color. Further, a brightness of light emitted from the display is adjusted from an initial brightness emitted by the display prior to the adjusting to a target brightness that matches the measured brightness of light.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: December 27, 2022
    Assignee: Google LLC
    Inventors: Andrew Fergus Simpson, Ying Zhang, Tuan Nguyen, Ryan Ki Sing Chung, Christopher Joseph Findeisen, Chintan Trehan, Rajat Kumar Paharia
  • Patent number: 11532316
    Abstract: The present disclosure relates to an apparatus for decoding an encoded Unified Audio and Speech stream. The apparatus comprises a core decoder for decoding the encoded Unified Audio and Speech stream. The core decoder includes a fast Fourier transform, FFT, module implementation based on a Cooley-Tuckey algorithm. The FFT module is configured to determine a discrete Fourier transform, DFT. Determining the DFT involves recursively breaking down the DFT into small FFTs based on the Cooley-Tucker algorithm and using radix-4 if a number of points of the FFT is a power of 4 and using mixed radix if the number is not a power of 4. Performing the small FFTs involves applying twiddle factors. Applying the twiddle factors involves referring to pre-computed values for the twiddle factors.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: December 20, 2022
    Assignee: Dolby International AB
    Inventors: Rajat Kumar, Ramesh Katuri, Saketh Sathuvalli, Reshma Rai
  • Patent number: 11482233
    Abstract: The present disclosure relates to an apparatus for decoding an encoded Unified Audio and Speech stream. The apparatus comprises a core decoder for decoding the encoded Unified Audio and Speech stream. The core decoder includes an upmixing unit adapted to perform mono to stereo upmixing. The upmixing unit includes a decorrelator unit D adapted to apply a decorrelation filter to an input signal. The decorrelator unit is adapted to determine filter coefficients for the decorrelation filter by referring to pre-computed values. The present disclosure further relates to a an apparatus for encoding a Unified Audio and Speech stream, as well as to corresponding methods and storage media.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: October 25, 2022
    Assignee: DOLBY INTERNATIONAL AB
    Inventors: Rajat Kumar, Ramesh Katuri, Saketh Sathuvalli, Reshma Rai
  • Patent number: 11361669
    Abstract: A method and system is provided for assessing the learning experience of the person by monitoring the mental state of the person. The method involves measuring the brain signal, skin conductance using GSR device, and heart rate variability using the pulse oximeter. These physiological signals are measured when the person is performing an activity such as the modified Stroop test. Once the activity is performed, an offline questionnaire is also filled by the person. Based on the comparison of the offline questionnaire and the physiological signals, a model is generated. This model is used to assess the learning experience of the person. According to another embodiment, a method is also provided for maintaining the steady flow state of a person while performing any activity.
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: June 14, 2022
    Assignee: Tata Consultancy Services Limited
    Inventors: Debatri Chatterjee, Aniruddha Sinha, Rahul Dasharath Gavas, Rajat Kumar Das, Arijit Sinharay
  • Publication number: 20220178768
    Abstract: Temperature measurement is an important part of many potential applications in the fields of metallurgy. Conventional temperature measurement methods do not provide accurate and precise average temperature of fluid inside an enclosed chamber. The present disclosure provides multi-sensory techniques for measuring average temperature of mixed fluid inside a chamber. The average temperature is measured based on acoustic interferometry technique on standing wave and inputs received from one or more sensors and radar. The present disclosure utilizes radar to compensate the effect of fumes, noise based on Doppler effect. Further, the inputs received from the one or more sensors are used to determine the concentration of one or more fluids present in the chamber. The method of proposed disclosure depends on the principle of dependence of temperature on sound speed in fluid. So, measurement of sound speed can be mapped to report average temperature of mixed fluid inside the chamber.
    Type: Application
    Filed: April 21, 2020
    Publication date: June 9, 2022
    Applicant: Tata Consultancy Services Limited
    Inventors: ARIJIT SINHARAY, RAJAT KUMAR DAS, ANWESHA KHASNOBISH, TAPAS CHAKRAVARTY, ARPAN PAL
  • Patent number: 11353574
    Abstract: This disclosure relates generally to tracking motion of target in indoor environment. The method includes estimating an initial position of the target in a mesh grid form based on radar data captured from radar devices installed in the indoor environment. For a subsequent target movement, a subsequent position of the target is estimated in the mesh grid form based on the initial position and a resultant velocity vector of the target. A number of outlier grid-points is computed with a threshold number, and based on comparison the outlier grid-points are either replaced with interpolated grid-points or the subsequent position of the target is repaired based on a probable position of the target obtained from at least one of a linear regression based analysis of prior positions of the target, prior knowledge of the target velocity and sampling interval, and a trilateration based technique.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: June 7, 2022
    Assignee: Tata Consultancy Services Limited
    Inventors: Rajat Kumar Das, Arijit Chowdhury, Tapas Chakravarty, Arpan Pal
  • Patent number: 11331047
    Abstract: Health signal monitoring using continuous wave microwave signals is often affected by phase wrapping and null point detection issues. The disclosure herein generally relates to health monitoring, and, more particularly, to a method and a monitoring system for health monitoring using Amplitude Modulated Continuous Wave (AMCW) microwave signals. In this design of the monitoring system, the AMCW microwave signal comprises of a carrier signal and a modulating signal. The modulating signal is used for measuring heart rate and breathing rate of a subject, while the carrier signal is used to tune antenna size in the monitoring system. As the probing wavelength and the antenna size are independent of each other in this design of the monitoring system, the probing wavelength can be adjusted such that effect of the phase wrapping can be minimized. The system addresses the null point measurement problem by quadrature modulating the modulating signal.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: May 17, 2022
    Assignee: TATA CONSULTANCY SERVICES LIMITED
    Inventors: Arijit Sinharay, Rajat Kumar Das, Sayan Seth
  • Patent number: 11315584
    Abstract: The present disclosure relates to an apparatus for decoding an encoded Unified Audio and Speech stream. The apparatus comprises a core decoder for decoding the encoded Unified Audio and Speech stream. The core decoder includes an eSBR unit for extending a bandwidth of an input signal, the eSBR unit including a QMF based harmonic transposer. The QMF based harmonic transposer is configured to process the input signal in the QMF domain, in each of a plurality of synthesis subbands, to extend the bandwidth of the input signal. The QMF based harmonic transposer is configured to operate at least in part based on pre-computed information. The present disclosure further relates to corresponding methods and storage media.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: April 26, 2022
    Assignee: Dolby International AB
    Inventors: Rajat Kumar, Ramesh Katuri, Saketh Sathuvalli, Reshma Rai
  • Publication number: 20220091968
    Abstract: A system and method for automated validation testing of software applications during software development and after development stages of the product life lifecycle. The disclosed system uses pre-trained machine learning models and image recognition algorithms to generate test cases and test data from text and images in product specification documents of the software applications.
    Type: Application
    Filed: August 31, 2021
    Publication date: March 24, 2022
    Inventors: Rajat Kumar, Sugandha Kapoor
  • Publication number: 20210397664
    Abstract: The embodiments herein provide a method for predicting content based recommendations. The method includes recognizing, by a first electronic device (100A) in a first IoT network (100), content displayed on a display (130A) of the first electronic device (100A). Further, the method includes predicting, by the first electronic device (100A), at least one recommendation corresponding to the content based on a history of user activities performed by a user using at least one of the first electronic device (100A) and other electronic devices (100B-100F) in the first IoT network (100). Further, the method includes providing, by the first electronic device (100A), the at least one recommendation on an action prediction panel of a keyboard of the first electronic device (100A).
    Type: Application
    Filed: November 18, 2019
    Publication date: December 23, 2021
    Inventors: Poorva Dharmadhikari, Mayank GUPTA, Rajat KUMAR, Siba Prasad SAMAL
  • Patent number: 11154229
    Abstract: A method and system is provided for pre-processing of an electroencephalography (EEG) signal for cognitive load measurement. The present application provides a method and system for pre-processing of electroencephalography signal for cognitive load measurement of a user, comprises of capturing the electroencephalography signal from the head of the user, detecting the plurality of system artifacts in the captured electroencephalography signal, detecting and removing noisy window from the captured electroencephalography signal, detecting an eye blink region and filtering out said detected eye blink region from the captured electroencephalography signal, utilizing the filtered electroencephalography signal for measuring the cognitive load of the user and subsequently computing different levels of mental workloads on the user using variation of spatial distribution of frontal scalp EEG electrodes for measured cognitive load.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: October 26, 2021
    Assignee: Tata Consultancy Services Limited
    Inventors: Rajat Kumar Das, Aniruddha Sinha, Debatri Chatterjee, Shreyasi Datta, Rahul Dasharath Gavas
  • Publication number: 20210326373
    Abstract: Systems and methods for displaying media files on a device are provided. The device provides a first mode that displays a subset of media files, determined by a user query, from a plurality of media files. Once activated, the first mode persists on the device prior to becoming inactive. A second mode of the device displays the plurality of media files. The second mode is active when the first mode is inactive. An instruction is received from a user. When the instruction specifies the first mode by inclusion of a user query, a corresponding subset of files is obtained from a remote system. The subset of files is sequentially displayed until the period of time has elapsed according to the first mode. When the instruction does not specify a query, the plurality of files is polled for from a remote device and sequentially displayed according to the second mode.
    Type: Application
    Filed: October 8, 2018
    Publication date: October 21, 2021
    Inventors: Andrew John Gasparic, Andrew Fergus Simpson, Christopher Joseph Findeisen, Rajat Kumar Paharia, Ravi Gauba, Ying Zhang
  • Publication number: 20210327393
    Abstract: Systems and methods for adjusting light emitted from a display of a device are provided. The adjusting includes obtaining, from light of an environment detected by at least one sensor, a measured color of light of the environment, and obtaining, from light of the environment detected by at least one sensor, a measured brightness of light of the environment. In response to the obtaining the measured color and the measured brightness of light, a color of light emitted from the display is adjusted from an initial color prior to the adjusting to a target color that matches the measured color. Further, a brightness of light emitted from the display is adjusted from an initial brightness emitted by the display prior to the adjusting to a target brightness that matches the measured brightness of light.
    Type: Application
    Filed: October 8, 2018
    Publication date: October 21, 2021
    Inventors: Andrew Fergus Simpson, Ying Zhang, Tuan Nguyen, Ryan Ki Sing Chung, Christopher Joseph Findeisen, Chintan Trehan, Rajat Kumar Paharia