Patents by Inventor Vijay Narayan TIWARI

Vijay Narayan TIWARI 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: 20240096133
    Abstract: A method and a system for image capturing of an eye are provided. The image capturing method in an electronic device includes directing radar signals on one or more portions of the eye that is required to be captured, determining an amount of signals absorbed into one or more portions of the eye by measuring the amount of signals reflected by one or more portions of the eye and estimating size of one or more portions of the eye based on the amount of signals absorbed, and generating an image of the eye having the portions with the estimated sizes.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 21, 2024
    Inventors: Vijay Narayan TIWARI, Ankur TRISAL, Dewanshu HASWANI, Ashish GOYAL
  • Publication number: 20230255544
    Abstract: Embodiments herein disclose a method and electronic device for determining skin information by an electronic device using hyper spectral reconstruction. The method further includes capturing a Red, Green, and Blue (RGB) image of a skin. The method further includes converting the RGB image into a hyper spectral image. The method further includes determining at least one wavelength band by applying a wavelength reflectance model on the hyper spectral image and determining information of the skin by applying a neural network model on the wavelength bands.
    Type: Application
    Filed: April 19, 2023
    Publication date: August 17, 2023
    Inventors: Ashish GOYAL, Vijay Narayan Tiwari
  • Publication number: 20230137710
    Abstract: Methods and apparatuses for managing objects are provided. A method performed by an electronic device includes monitoring, using an ultra-wide band (UWB) sensor of the electronic device, at least one object over a time period; based on the monitoring of the at least one object, extracting a variation in at least one of a material property parameter of the at least one object and a motion parameter of the at least one object; generating a pattern based on the variation in the at least one of the material property parameter and the motion parameter; and identifying, based on the generated pattern, an anomaly of the at least one object.
    Type: Application
    Filed: November 2, 2022
    Publication date: May 4, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ankur TRISAL, Vijay Narayan TIWARI
  • Publication number: 20210030270
    Abstract: Accordingly, the embodiments of the disclosure provide a method for determining refractive power of an eye of a wearer. The method includes causing to display, by a first electronic device (100), a virtual image of at least one optotype on a display (202) of a second electronic device (200). Further, the method includes varying, by the first electronic device (100), a focus of the optotypes to provide changes in an optical prescription. Further, the method includes conducting, by the first electronic device (100), an eye exam of the wearer based on the varied focus of the optotypes. Further, the method includes determining, by the first electronic device (100), the refractive power of the eye of the wearer.
    Type: Application
    Filed: February 7, 2019
    Publication date: February 4, 2021
    Inventors: Ashish GOYAL, Vijay Narayan TIWARI, Tushar SIRCAR, Aloknath DE
  • Patent number: 10849530
    Abstract: Provided are an electronic device and method for providing information related to a skin type of an object. The electronic device includes: a camera configured to capture at least one image including a skin portion and a non-skin portion of an object; and a processor configured to determine at least one color ratio between the skin portion and the non-skin portion from the at least one image, and determine a skin type of the object based on the determined at least one color ratio.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: December 1, 2020
    Inventors: Vijay Narayan Tiwari, Shankar M. Venkatesan, Rangavittal Narayanan
  • Patent number: 10776469
    Abstract: A method for generating a three-dimensional (3D) biometric model of a user's body part is provided. The method includes detecting, by at least one imaging sensor of the electronic device, the body part, capturing by the at least two imaging sensors a first image of a first portion of the body part and a second image of a second portion of the body part, generating the 3D biometric model of the body part using the first image and the second image of the body part, and storing the 3D biometric model of the body part.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: September 15, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Shankar Mosur Venkatesan, Vijay Narayan Tiwari
  • Patent number: 10702169
    Abstract: A method and an electronic device for measuring blood pressure are provided. The method includes illuminating, by a PPG sensor included in the electronic device, skin of a user and measuring a PPG signal based on an illumination absorption by the skin. Further, the method also includes extracting, by the electronic device, a plurality of parameters from the PPG signal, wherein the parameters may comprise PPG features, Heart Rate Variability (HRV) features, Acceleration Plethysmograph (APG) features, and non-linear features. The method also includes estimating, by the electronic device, the BP based on the extracted plurality of parameters.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Aman Gaurav, Maram Maheedhar, Vijay Narayan Tiwari, Rangavittal Narayanan
  • Patent number: 10620041
    Abstract: An electronic device for determining an ultraviolet (UV) dose includes a memory, at least one non-UV sensor, a display, and a processor, coupled to the memory, the at least one non-UV sensor, and the display. The processor is configured to determine a context of the electronic device, obtain information of ambient light using one or more parameter sensed by the light sensor, estimate an ultraviolet (UV) dose based on the context of the electronic device and the information of ambient light, and control the display to output information of the UV dose.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: April 14, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Vijay Narayan Tiwari, Soumyabrata Dey, Saswata Sahoo, Rangavittal Narayanan, Aloknath De
  • Publication number: 20200073476
    Abstract: Embodiments herein disclose systems and methods for determining defect in visual field of a user. The present disclosure relates to field of medical analysis and diagnostics and more particularly relates to systems and methods for determining neurological visual diseases of the user by using the Virtual Reality (VR) display device such as a Head Mounted Display (HMD) device. The method includes providing visual stimuli along with a center weighted object to test the neurological visual disease of the user. The method includes generating a heat map or a graph to display region of blind spot in the eye of user.
    Type: Application
    Filed: March 15, 2018
    Publication date: March 5, 2020
    Inventors: Vijay Narayan TIWARI, Joy BOSE, Ajit S. BOPARDIKAR, Tushar SIRCAR, Dattanand Arun RAYKAR, Aarshee MISHRA, Anirban BHADURI, Amit NANDAN
  • Publication number: 20190026451
    Abstract: A method for generating a three-dimensional (3D) biometric model of a user's body part is provided. The method includes detecting, by at least one imaging sensor of the electronic device, the body part, capturing by the at least two imaging sensors a first image of a first portion of the body part and a second image of a second portion of the body part, generating the 3D biometric model of the body part using the first image and the second image of the body part, and storing the 3D biometric model of the body part.
    Type: Application
    Filed: July 18, 2018
    Publication date: January 24, 2019
    Inventors: Shankar Mosur VENKATESAN, Vijay Narayan TIWARI
  • Publication number: 20180199856
    Abstract: Provided are an electronic device and method for providing information related to a skin type of an object. The electronic device includes: a camera configured to capture at least one image including a skin portion and a non-skin portion of an object; and a processor configured to determine at least one color ratio between the skin portion and the non-skin portion from the at least one image, and determine a skin type of the object based on the determined at least one color ratio.
    Type: Application
    Filed: July 5, 2016
    Publication date: July 19, 2018
    Inventors: Vijay Narayan TIWARI, Shankar M. VENKATESAN, Rangavittal NARAYANAN
  • Publication number: 20180080818
    Abstract: An electronic device for determining an ultraviolet (UV) dose includes a memory, at least one non-UV sensor, a display, and a processor, coupled to the memory, the at least one non-UV sensor, and the display. The processor is configured to determine a context of the electronic device, obtain information of ambient light using one or more parameter sensed by the light sensor, estimate an ultraviolet (UV) dose based on the context of the electronic device and the information of ambient light, and control the display to output information of the UV dose.
    Type: Application
    Filed: September 19, 2017
    Publication date: March 22, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Vijay Narayan TIWARI, Soumyabrata DEY, Saswata SAHOO, Rangavittal NARAYANAN, Aloknath DE
  • Publication number: 20170238818
    Abstract: A method and an electronic device for measuring blood pressure are provided. The method includes illuminating, by a PPG sensor included in the electronic device, skin of a user and measuring a PPG signal based on an illumination absorption by the skin. Further, the method also includes extracting, by the electronic device, a plurality of parameters from the PPG signal, wherein the parameters may comprise PPG features, Heart Rate Variability (HRV) features, Acceleration Plethysmograph (APG) features, and non-linear features. The method also includes estimating, by the electronic device, the BP based on the extracted plurality of parameters.
    Type: Application
    Filed: February 14, 2017
    Publication date: August 24, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Aman GAURAV, Maram MAHEEDHAR, Vijay Narayan TIWARI, Rangavittal NARAYANAN
  • Publication number: 20160081620
    Abstract: An apparatus includes: a receiving unit for receiving a sensor signal for a body of a user from a wearable apparatus; a controller for classifying a physical activity of the user as one of a plurality of predefined activity models based on the received sensor signal, and generating prediction information about the body of the user based on a result of the classifying and profile information about the user; and an output device for outputting health care information to the user based on the prediction information.
    Type: Application
    Filed: September 18, 2015
    Publication date: March 24, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Rangavittal NARAYANAN, Vijay Narayan TIWARI, Saswata SAHOO, Mithun Manjnath NAYAK, Shankar M. VENKATESAN, Aloknath DE, Vivek JILLA, Choong-hyun LEE, Subramanian RAMAKRISHNAN, Ramachandran NARASIMHAMURTHY, Avinash PRASAD