Patents by Inventor Sudeb Das

Sudeb Das 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: 11501543
    Abstract: The present invention discloses a system and a method for language independent automatic license plate localization by analysis of plurality of images in real-time under day-light condition without using any external light. In one embodiment, the system can work without any spatiality constraints and/or demographic considerations without any restriction on jurisdiction and can effectively localize license plates (LPs) of any type consisting of alpha-numeric characters and symbols. In other embodiment, methods for search-space reduction system based on motion-based filtration and LPs localization based on edge-active-region filtration with high frame-per-second (FPS) throughput are described. In another embodiment, a dual-binarization scheme is described for color invariant LP localization.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: November 15, 2022
    Assignee: VIDEONETICS TECHNOLOGY PRIVATE LIMITED
    Inventors: Sudeb Das, Apurba Gorai, Tinku Acharya
  • Patent number: 11417124
    Abstract: The present invention discloses a system for automated vehicles license plates characters segmentation and recognition comprising an imaging processor connected to at least one image grabber module or camera. The image grabber module captures images of the vehicles and forwards it to said connected imaging processor and the imaging processor segments and recognizes the vehicles license plates character region including the region with deformed license plates characters in the captured vehicle images by involving binarization of maximally stable external regions corresponding to probable license plate region in the captured vehicle images.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: August 16, 2022
    Assignee: VIDEONETICS TECHNOLOGY PRIVATE LIMITED
    Inventors: Sudeb Das, Apurba Gorai, Tinku Acharya
  • Patent number: 11205078
    Abstract: The present invention discloses a system for selection of candidate video frames from traffic video comprising an imaging processor operatively connected to traffic video source. The imaging processor receives the traffic video from said source for selection of candidate video frames from the received traffic video for analysis of entire traffic video stream to extract vehicles details from therefrom including detection of situations of moving vehicles and non-moving vehicles. The traffic video is forwarded to the imaging processor from the source at an appropriate rate suitable for said candidate frames selection computation.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: December 21, 2021
    Assignee: VIDEONETICS TECHNOLOGY PRIVATE LIMITED
    Inventors: Sudeb Das, Monotosh Das, Tuhin Bose
  • Publication number: 20210103735
    Abstract: The present invention discloses a system for selection of candidate video frames from traffic video comprising an imaging processor operatively connected to traffic video source. The imaging processor receives the traffic video from said source for selection of candidate video frames from the received traffic video for analysis of entire traffic video stream to extract vehicles details from therefrom including detection of situations of moving vehicles and non-moving vehicles. The traffic video is forwarded to the imaging processor from the source at an appropriate rate suitable for said candidate frames selection computation.
    Type: Application
    Filed: February 25, 2019
    Publication date: April 8, 2021
    Applicant: VIDEONETICS TECHNOLOGY PRIVATE LIMITED
    Inventors: Sudeb DAS, Monotosh DAS, Tuhin BOSE
  • Publication number: 20210027086
    Abstract: The present invention discloses a system and a method for language independent automatic license plate localization by analysis of plurality of images in real-time under day-light condition without using any external light. In one embodiment, the system can work without any spatiality constraints and/or demo-graphic considerations without any restriction on jurisdiction and can effectively localize license plates (LPs) of any type consisting of alpha-numeric characters and symbols. In other embodiment, methods for search-space reduction system based on motion-based filtration and LPs localization based on edge-active-region filtration with high frame-per-second (FPS) throughput are described. In another embodiment, a dual-binarization scheme is described for color invariant LP localization.
    Type: Application
    Filed: March 26, 2019
    Publication date: January 28, 2021
    Applicant: VIDEONETICS TECHNOLOGY PRIVATE LIMITED
    Inventors: Sudeb DAS, Apurba GORAI, Tinku ACHARYA
  • Patent number: 10890444
    Abstract: Method and System for estimating three dimensional measurements of a physical object by utilizing readings from inertial sensors is provided. The method involves capturing by a handheld unit, three dimensional aspects of the physical object. The raw recordings are received from the inertial sensors and are used to develop a raw rotation matrix. The raw rotation matrix is subjected to low pass filtering to obtain processed matrix constituted of filtered Euler angles wherein coordinates from the processed rotation matrix is used to estimate gravitational component along the three axis leading to determination of acceleration values and further calculation of measurement of each dimension of the physical object.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: January 12, 2021
    Assignee: Tata Consultancy Services Limited
    Inventors: Apurbaa Mallik, Brojeshwar Bhowmick, Aniruddha Sinha, Aishwarya Visvanathan, Sudeb Das
  • Publication number: 20200401834
    Abstract: The present invention discloses a system for automated vehicles license plates characters segmentation and recognition comprising an imaging processor connected to at least one image grabber module or camera. The image grabber module captures images of the vehicles and forwards it to said connected imaging processor and the imaging processor segments and recognizes the vehicles license plates character region including the region with deformed license plates characters in the captured vehicle images by involving binarization of maximally stable external regions corresponding to probable license plate region in the captured vehicle images.
    Type: Application
    Filed: February 25, 2019
    Publication date: December 24, 2020
    Applicant: VIDEONETICS TECHNOLOGY PRIVATE LIMITED
    Inventors: Sudeb DAS, Apurba GORAI, Tinku ACHARYA
  • Publication number: 20160334210
    Abstract: Method and System for estimating three dimensional measurements of a physical object by utilizing readings from inertial sensors is provided. The method involves capturing by a handheld unit, three dimensional aspects of the physical object. The raw recordings are received from the inertial sensors and are used to develop a raw rotation matrix. The raw rotation matrix is subjected to low pass filtering to obtain processed matrix constituted of filtered Euler angles wherein coordinates from the processed rotation matrix is used to estimate gravitational component along the three axis leading to determination of acceleration values and further calculation of measurement of each dimension of the physical object.
    Type: Application
    Filed: May 13, 2016
    Publication date: November 17, 2016
    Applicant: Tata Consultancy Services Limited
    Inventors: Apurbaa MALLIK, Brojeshwar BHOWMICK, Aniruddha SINHA, Aishwarya VISVANATHAN, Sudeb DAS
  • Patent number: 4999342
    Abstract: Compositions and methods for providing long lasting contraceptive protection comprising a mixture of a contraceptive effective amount of spermicidal agent, a polymeric gum, a dispersing agent, and a water miscible polyethylene glycol polymer suppository base; and mammalian contraceptive methods utilizing the compositions of the invention in suppository form to provide up to 12 hours of contraceptive protection after initial insertion of the suppository.
    Type: Grant
    Filed: August 16, 1988
    Date of Patent: March 12, 1991
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Nawaz Ahmad, George A. Ziets, Sudeb Das
  • Patent number: 4912124
    Abstract: Alcohol/aqueous solutions of certain relatively insoluble imidazole derivatives, particularly micronazole and miconazole nitrate, are prepared to concentrations of at least 1.0 percent by weight active agent. The solutions are pharmacologically acceptable for topical application as the treatment of fungal skin infections and are readily applied by means of a pump sprayer.
    Type: Grant
    Filed: February 23, 1984
    Date of Patent: March 27, 1990
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Sudeb Das, Darius D. Dubash