Patents by Inventor Sujit JOS

Sujit JOS 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: 20210396662
    Abstract: Provided is a method for predicting optical properties of a sample, the method including obtaining, by a device, a plurality of diffuse reflectance values based on optical energy diffusely reflected from the sample, generating, by a multi-layered Deep Fully Connected Neural Network (DFCNN) in the device, a first set of intermediate values by non-linearly mapping the plurality of diffuse reflectance values to the first set of intermediate values, generating, by a One-Dimensional-Convolutional Neural Network (1D-CNN) in the device, a second set of intermediate values by non-linearly mapping the plurality of diffuse reflectance values to the second set of intermediate values, and predicting, by the device, values of the optical properties of the sample based on the first set of intermediate values and the second set of intermediate values.
    Type: Application
    Filed: June 15, 2021
    Publication date: December 23, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ibrahim A, Sreejith Kallummil, Sujit Jos, Karam Choi, Sang Kyu Kim
  • Publication number: 20210338115
    Abstract: A method for obtaining blood glucose concentration using near infrared spectroscopy (NIR) data is provided. The method includes obtaining, by an independent component analysis (ICA) temporal module, orthogonal pure spectra from human NIR spectra; performing, by a processing module, one or more preprocessings and drift removal on the human NIR spectra and the orthogonal pure spectra to obtain preprocessed spectra; and obtaining, by a regression block, the blood glucose concentration from the preprocessed spectra.
    Type: Application
    Filed: November 7, 2018
    Publication date: November 4, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Gorish AGGARWAL, Kiran BYNAM, Sujit JOS, So Young LEE
  • Patent number: 11141083
    Abstract: A method for obtaining blood glucose concentration using near infrared spectroscopy (NIR) data is provided. The method includes obtaining, by an independent component analysis (ICA) temporal module, orthogonal pure spectra from human NIR spectra; performing, by a processing module, one or more preprocessings and drift removal on the human NIR spectra and the orthogonal pure spectra to obtain preprocessed spectra; and obtaining, by a regression block, the blood glucose concentration from the preprocessed spectra.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: October 12, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Gorish Aggarwal, Kiran Bynam, Sujit Jos, So Young Lee
  • Publication number: 20210302310
    Abstract: A method of transforming Monte Carlo (MC) simulations for diffuse reflectance spectroscopy (DRS) may include obtaining, by a DRS device, MC simulated DRS measurements using a pre-defined number of photons; pre-processing, by the DRS device, the MC simulated DRS measurements to obtain normalized DRS measurements; correcting, by the DRS device, non-monotonicity of the normalized DRS measurements to obtain monotonic DRS measurements; converting, by the DRS device, the monotonic DRS measurements to a logarithmic domain to obtain logarithmic DRS measurements; performing, by the DRS device, curve fitting on the logarithmic DRS measurements in the logarithmic domain to obtain curve-fitted logarithmic DRS measurements; and transforming, by the DRS device, the curve-fitted logarithmic DRS measurements to a non-logarithmic domain to obtain transformed MC simulated DRS measurements.
    Type: Application
    Filed: February 26, 2021
    Publication date: September 30, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sreejith KALLUMMIL, Sujit JOS, Ibrahim A., Ka Ram CHOI, Sang Kyu KIM
  • Patent number: 11089981
    Abstract: A method includes processing near infrared spectroscopy (NIR) spectra and pure spectra, to obtain a preprocessed NIR spectra, wherein the preprocessed NIR spectra includes any one or any combination of a training data of a plurality of subjects, a calibration data of a test subject and a validation data of the test subject, extracting a dominant feature set from the preprocessed NIR spectra, wherein the dominant feature set includes at least one preprocessed NIR spectrum corresponding to each of the training data, the calibration data and the validation data, and determining a blood glucose concentration of the test subject, using the training data of the plurality of subjects and based on the extracted dominant feature set.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: August 17, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Gorish Aggarwal, Kiran Bynam, So Young Lee, Ibrahim A, Sujit Jos, Rahul Arora
  • Publication number: 20210247304
    Abstract: A method of predicting a blood compound concentration of a target may include receiving, by a system, spectral data associated with a region of the target, using near-infrared (NIR) spectroscopy. The method may include classifying, by the system, each of the plurality of data instances of the spectral data to one of a plurality of labelled classes. The method may include obtaining, by the system, one or more best fit models from a plurality of prediction models based on the classification. The method may include determining, by the system, blood compound concentration values corresponding to each of the one or more best fit models. The method may include predicting, by the system, the blood compound concentration of the target using the blood compound concentration values predicted using the best fit models.
    Type: Application
    Filed: February 1, 2021
    Publication date: August 12, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sujit JOS, Kiran BYNAM, Ibrahim A, Rahul ARORA, Gorish AGGARWAL, So Young LEE
  • Patent number: 10980484
    Abstract: A method of extracting glucose feature, a method for monitoring glucose using near-infrared (NIR) spectroscopy and a glucose monitoring device are provided. The method comprising: removing noise from a near-infrared (NIR) data; extracting a glucose signal from the NIR data; and removing temporal drift components from the extracted glucose signal.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: April 20, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kiran Bynam, So Young Lee, Sujit Jos, Gorish Aggarwal, Srikanth Mallavarapu Rama
  • Patent number: 10918320
    Abstract: A method for predicting a blood glucose level using a near-Infrared (NIR) spectrometer is provided. The method may include obtaining a feature set from an NIR glucose spectra; and predicting glucose values from the feature set based on a binary classification of the NIR glucose spectra and an in-class prediction of glucose using Machine Learning Regression.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: February 16, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sujit Jos, Kiran Bynam, So Young Lee, Gorish Aggarwal, Srikanth Mallavarapu Rama
  • Patent number: 10904156
    Abstract: A method to detect a packet includes: receiving an input sequence including preambles; detecting a transition from a noise period to a signal period in the input sequence; dynamically adjusting a gain of the input sequence in response to the signal period being initiated; and distinguishing an intended packet from other packets, among packets received in the preambles.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: January 26, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ashutosh Deepak Gore, Sujit Jos, Jinesh P. Nair, Chang Soon Park, Kiran Bynam, Young Jun Hong
  • Publication number: 20200352517
    Abstract: The present disclosure relates to a method and system for preprocessing near infrared (NIR) spectroscopy data for non-invasive monitoring of blood glucose. In accordance with an embodiment, the method receiving the NIR spectroscopy data from a subject; performing a scatter correction on the NIR spectroscopy data to obtain scatter corrected NIR spectra; removing interference from the scatter corrected NIR spectra to obtain glucose spectra; removing noise from the glucose spectra to obtain noise removed glucose spectra; obtaining noise removed NIR glucose data as a set of noise removed glucose spectra corresponding to a plurality of reference glucose values; removing drift from the noise removed NIR glucose data to obtain preprocessed NIR glucose data; and obtaining a set of global features from the preprocessed NIR glucose data for non-invasive monitoring of blood glucose of the subject.
    Type: Application
    Filed: May 8, 2020
    Publication date: November 12, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sujit Jos, Kiran Bynam, Rahul Arora, Ibrahim Abdul Majeed, So Young Lee
  • Publication number: 20200323493
    Abstract: The present disclosure relates to a method and system for processing a photoplethysmogram (PPG) signal to improve accuracy of measurement of physiological parameters of a subject. The method may include removing a baseline drift from the PPG signal; obtaining a drift removed signal; filtering the drift removed signal; obtaining a filtered signal; performing motion artifact correction on the filtered signal; and obtaining a corrected signal.
    Type: Application
    Filed: March 24, 2020
    Publication date: October 15, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Rahul ARORA, Sujit JOS, Ibrahim ABDUL MAJEED, Ka Ram CHOI, Sang Kon BAE
  • Patent number: 10735226
    Abstract: A method and a transmitter for transmitting a pay load sequence are provided. The transmitter includes a ternary sequence mapper configured to map a binary data sequence to a ternary sequence stored in the transmitter, and a pulse shaping filter configured to generate a first signal based on the mapped ternary sequence. The ternary sequence includes elements of ?1, 0, and 1.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: August 4, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon Park, Young Jun Hong, Sujit Jos, Young Soo Kim, Chandrashekhar Thejaswi Ps, Kiran Bynam, Manoj Choudhary
  • Publication number: 20200237312
    Abstract: A method and apparatus for pre-processing a photoplethysmogram (PPG) signal include receiving, by an apparatus, the PPG signal including a plurality of pulses, obtaining, by the apparatus, a smoothed PPG signal based on smoothing the PPG signal using a moving average filter, obtaining, by the apparatus, a drift removed PPG signal based on removing drift from the smoothed PPG signal using a fitted polynomial function, and obtaining, by the apparatus, a rectified PPG signal based on correcting a motion artifact of the drift removed PPG signal by replacing each of the plurality of pulses using a combination of a global signal pulse and a corresponding local signal pulse.
    Type: Application
    Filed: January 22, 2020
    Publication date: July 30, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ibrahim ABDUL MAJEED, Sujit JOS, Rahul ARORA, Ka Ram CHOI, Sang Kon BAE
  • Publication number: 20200067846
    Abstract: A method to detect a packet includes: receiving an input sequence including preambles; detecting a transition from a noise period to a signal period in the input sequence; dynamically adjusting a gain of the input sequence in response to the signal period being initiated; and distinguishing an intended packet from other packets, among packets received in the preambles.
    Type: Application
    Filed: October 29, 2019
    Publication date: February 27, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ashutosh Deepak GORE, Sujit JOS, Jinesh P. NAIR, Chang Soon PARK, Kiran BYNAM, Young Jun HONG
  • Publication number: 20200022627
    Abstract: A method includes processing near infrared spectroscopy (NIR) spectra and pure spectra, to obtain a preprocessed NIR spectra, wherein the preprocessed NIR spectra includes any one or any combination of a training data of a plurality of subjects, a calibration data of a test subject and a validation data of the test subject, extracting a dominant feature set from the preprocessed NIR spectra, wherein the dominant feature set includes at least one preprocessed NIR spectrum corresponding to each of the training data, the calibration data and the validation data, and determining a blood glucose concentration of the test subject, using the training data of the plurality of subjects and based on the extracted dominant feature set.
    Type: Application
    Filed: July 2, 2019
    Publication date: January 23, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Gorish Aggarwal, Kiran Bynam, So Young Lee, Ibrahim A, Sujit Jos, Rahul Arora
  • Patent number: 10491434
    Abstract: The present invention describes a method and system for simultaneous transmission of data to coherent and non-coherent receivers. The method at the transmitter includes retrieving a base ternary sequence having a pre-defined length, obtaining one or more ternary sequences corresponding to data to be transmitted and transmitting the obtained one or more ternary sequences by the transmitter. The method steps at the receiver includes receiving one or more ternary sequences corresponding to the data transmitted, demodulating each of the received ternary sequences by correlating with all cyclic shifts of the base ternary sequence by the receiver if the receiver is a coherent receiver, demodulating each of the received ternary sequences by correlating with all cyclic shifts of the absolute of the base ternary sequence by the receiver if the receiver is a non-coherent receiver and detecting the transmitted data based on the cyclic shifts corresponding to maximum correlation values.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: November 26, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sujit Jos, Chandrashekhar Thejaswi PS, Kiran Bynam, Young Jun Hong, Chang Soon Park, Manoj Choudhary
  • Publication number: 20190334744
    Abstract: A method and a transmitter for transmitting a pay load sequence are provided. The transmitter includes a ternary sequence mapper configured to map a binary data sequence to a ternary sequence stored in the transmitter, and a pulse shaping filter configured to generate a first signal based on the mapped ternary sequence. The ternary sequence includes elements of ?1, 0, and 1.
    Type: Application
    Filed: July 8, 2019
    Publication date: October 31, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon PARK, Young Jun HONG, Sujit JOS, Young Soo KIM, Chandrashekhar Thejaswi PS, Kiran BYNAM, Manoj CHOUDHARY
  • Patent number: 10461982
    Abstract: A method and apparatus estimating carrier frequency offset (CFO) with timing synchronization are provided. The apparatus includes processor that receives analog-to-digital converter (ADC) samples, determines a coarse angle from the received ADC samples, obtains an improved coarse angle by altering the coarse angle based on a preamble duration, determines a base CFO estimate from the improved coarse angle and determines a plurality of candidate CFOs based on the base CFO estimate and a difference frequency.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: October 29, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sujit Jos, Kiran Bynam, Chang Soon Park, Jinesh Parameshwaran Nair, Chandrashekhar Thejaswi Pattaguppe Suryanarayan Bhat, Young Jun Hong, Young Soo Kim
  • Patent number: 10462063
    Abstract: A method to detect a packet includes: receiving an input sequence including preambles; detecting a transition from a noise period to a signal period in the input sequence; dynamically adjusting a gain of the input sequence in response to the signal period being initiated; and distinguishing an intended packet from other packets, among packets received in the preambles.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: October 29, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ashutosh Deepak Gore, Sujit Jos, Jinesh P. Nair, Chang Soon Park, Kiran Bynam, Young Jun Hong
  • Patent number: 10404610
    Abstract: Disclosed is a method and system to transmit independent data by at least two transmitters to corresponding at least two receivers. The method includes obtaining, at a first transmitter, a first ternary sequence from a first base ternary sequence corresponding to a first set of data-symbols, and obtaining, at a second transmitter, a second ternary sequence from a second base ternary sequence corresponding to a second set of data-symbols. The method also includes transmitting, from the first transmitter, the first ternary sequence to a first set of receivers associated with the first transmitter. The method transmits, from the second transmitter, the second ternary sequence to a second set of receivers associated with the second transmitter.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: September 3, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sujit Jos, Chandrashekhar Thejaswi Ps, Chang Soon Park, Kiran Bynam, Young Jun Hong