Patents by Inventor Somdeb Majumdar

Somdeb Majumdar 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: 10268195
    Abstract: In an embodiment, a vehicle controller determines a predicted driving performance level of a vehicle driving control entity (VDCE) while the vehicle is controlled by a different VDCE. Driving control is transitioned to the VDCE, after which an actual driving performance level of the VDCE is monitored. The vehicle controller determines whether to transition driving control away from the VDCE based on the actual driving performance level. In another embodiment, after transition driving control to a VDCE, a period of heightened scrutiny used to evaluate the actual driving performance level of the VDCE specifically after the transition.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: April 23, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Somdeb Majumdar, Mainak Biswas, William Henry Von Novak, Muhammed Sezan
  • Publication number: 20190042945
    Abstract: Logic may quantize a primary neural network. Logic may generate, by a secondary neural network logic circuitry for a primary neural network logic circuitry, quantization parameters. The primary neural network logic circuitry may comprise a primary neural network with multiple layers trainable with an objective function. Each of the multiple layers of the primary neural network may comprise multiple tensors. The secondary neural network logic circuitry may comprise one or more secondary neural networks trainable with the objective function to output the quantization parameters to the tensors.
    Type: Application
    Filed: June 15, 2018
    Publication date: February 7, 2019
    Inventors: Somdeb Majumdar, Tristan Webb, Marcel Nasser, Evren Tumer, Xin Wang, Ron Banner, Adnan Agbaria, Lior Storfer
  • Patent number: 10082869
    Abstract: In general, techniques are described for maintaining occupant awareness in vehicles. A device configured to maintain occupant awareness in a vehicle comprising: a processor and a display may be configured to perform the techniques. The processor may determine a location at which an occupant is gazing, and generate, when the determined location indicates that the occupant is not focused on a direction in which the vehicle is traveling, one or more contextual images capable of assisting the occupant in maintaining awareness of a context in which the vehicle is currently operating. The display may present, based on the determined location, the one or more contextual images proximate to the determined position within the cabin of the vehicle to assist the occupant in assuming control of the vehicle when the vehicle is no longer able to autonomously control the operation of the vehicle.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: September 25, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: William Henry Von Novak, Muhammed Ibrahim Sezan, Somdeb Majumdar
  • Publication number: 20180260695
    Abstract: A method, a computer-readable medium, and an apparatus for compressing a neural network with an unlabeled data set are provided. The apparatus may generate a first set of consecutive layers for the neural network. The first set of consecutive layers may share inputs with a second set of consecutive layers of the neural network. The apparatus may adjust weights associated with the first set of consecutive layers based on a function the difference between a first set of output values from the first set of consecutive layers and a second set of output values from the second set of consecutive layers in response to the unlabeled data set. The apparatus may remove the second set of consecutive layers from the neural network when the function of the difference between the first set of output values and the second set of output values satisfies a threshold.
    Type: Application
    Filed: March 7, 2017
    Publication date: September 13, 2018
    Inventors: Somdeb MAJUMDAR, Raghuraman KRISHNAMOORTHI
  • Patent number: 10055538
    Abstract: Methods, systems, and devices are described for identifying noisy regions in a skin conductance signal. The signal is divided into a plurality of windows. Two or more features of the signal within a first window are computed. At least one of the two or more features being in a frequency domain. At least two of the features are combined to obtain at least a first metric. The first metric is compared to a corresponding threshold. The first window is identified as a noisy region of the skin conductance signal based on the comparison.
    Type: Grant
    Filed: January 5, 2013
    Date of Patent: August 21, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Somdeb Majumdar, Aniket A. Vartak, Robert S. Tartz
  • Publication number: 20180224932
    Abstract: In general, techniques are described for maintaining occupant awareness in vehicles. A device configured to maintain occupant awareness in a vehicle comprising: a processor and a display may be configured to perform the techniques. The processor may determine a location at which an occupant is gazing, and generate, when the determined location indicates that the occupant is not focused on a direction in which the vehicle is traveling, one or more contextual images capable of assisting the occupant in maintaining awareness of a context in which the vehicle is currently operating. The display may present, based on the determined location, the one or more contextual images proximate to the determined position within the cabin of the vehicle to assist the occupant in assuming control of the vehicle when the vehicle is no longer able to autonomously control the operation of the vehicle.
    Type: Application
    Filed: February 3, 2017
    Publication date: August 9, 2018
    Inventors: William Henry Von Novak, Muhammed Ibrahim Sezan, Somdeb Majumdar
  • Patent number: 10045293
    Abstract: Certain aspects of the present disclosure relate to a method for compressed sensing (CS). The CS is a signal processing concept wherein significantly fewer sensor measurements than that suggested by Shannon/Nyquist sampling theorem can be used to recover signals with arbitrarily fine resolution. In this disclosure, the CS framework is applied for sensor signal processing in order to support low power robust sensors and reliable communication in Body Area Networks (BANs) for healthcare and fitness applications.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: August 7, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Harinath Garudadri, Pawan Kumar Baheti, Somdeb Majumdar
  • Patent number: 10037306
    Abstract: Computing a non-linear function ƒ(x) in hardware or embedded systems can be complex and resource intensive. In one or more aspects of the disclosure, a method, a computer-readable medium, and an apparatus are provided for computing a non-linear function ƒ(x) accurately and efficiently in hardware using look-up tables (LUTs) and interpolation or extrapolation. The apparatus may be a processor. The processor computes a non-linear function ƒ(x) for an input variable x, where ƒ(x)=g(y(x),z(x)). The processor determines an integer n by determining a position of a most significant bit (MSB) of an input variable x. In addition, the processor determines a value for y(x) based on a first look-up table and the determined integer n. Also, the processor determines a value for z(x) based on n and the input variable x, and based on a second look-up table. Further, the processor computes ƒ(x) based on the determined values for y(x) and z(x).
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: July 31, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Dexu Lin, Edward Liao, Somdeb Majumdar, Aaron Lamb, Karamvir Chatha
  • Publication number: 20180196427
    Abstract: In an embodiment, a vehicle controller determines a predicted driving performance level of a vehicle driving control entity (VDCE) while the vehicle is controlled by a different VDCE. Driving control is transitioned to the VDCE, after which an actual driving performance level of the VDCE is monitored. The vehicle controller determines whether to transition driving control away from the VDCE based on the actual driving performance level. In another embodiment, after transition driving control to a VDCE, a period of heightened scrutiny used to evaluate the actual driving performance level of the VDCE specifically after the transition.
    Type: Application
    Filed: January 6, 2017
    Publication date: July 12, 2018
    Inventors: Somdeb Majumdar, Mainak Biswas, William Henry Von Novak, Muhammed Sezan
  • Publication number: 20180060278
    Abstract: Computing a non-linear function ƒ(x) in hardware or embedded systems can be complex and resource intensive. In one or more aspects of the disclosure, a method, a computer-readable medium, and an apparatus are provided for computing a non-linear function ƒ(x) accurately and efficiently in hardware using look-up tables (LUTs) and interpolation or extrapolation. The apparatus may be a processor. The processor computes a non-linear function ƒ(x) for an input variable x, where ƒ(x)=g(y(x),z(x)). The processor determines an integer n by determining a position of a most significant bit (MSB) of an input variable x. In addition, the processor determines a value for y(x) based on a first look-up table and the determined integer n. Also, the processor determines a value for z(x) based on n and the input variable x, and based on a second look-up table. Further, the processor computes ƒ(x) based on the determined values for y(x) and z(x).
    Type: Application
    Filed: September 1, 2016
    Publication date: March 1, 2018
    Inventors: Dexu LIN, Edward LIAO, Somdeb MAJUMDAR, Aaron LAMB, Karamvir CHATHA
  • Patent number: 9906704
    Abstract: An intelligent camera network cooperatively acquires images over a wireless network. The network automatically captures images based on a trigger. The trigger may include messages from other image capturing devices. A first image capture devices is triggered to acquire an image based on a message from at least one other image capture device.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: February 27, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Somdeb Majumdar, Regan Blythe Towal, M Anthony Lewis
  • Publication number: 20180045818
    Abstract: A scanning device generally produces an image having a uniform resolution throughout a target region. To improve radar scanning/lidar scanning, an efficient scan approach to enable a radar device/lidar device to adoptively perform a scan of a target region based on interested regions and/or an adjustable resolution. The apparatus may be a scanning device for scanning. The apparatus performs a first scan over a target region to obtain a plurality of first scan samples at a plurality of locations within the target region. The apparatus generates a saliency map of the target region based on signal intensities of the plurality of first scan samples. The apparatus determines a salient region within the target region based on the saliency map. The apparatus performs at least one second scan over the salient region to obtain at least one second scan sample in the salient region.
    Type: Application
    Filed: August 15, 2016
    Publication date: February 15, 2018
    Inventors: Somdeb MAJUMDAR, Ernest OZAKI, Richard Anthony CALLE
  • Patent number: 9658825
    Abstract: Certain aspects of the present disclosure relate to a method for quantizing signals and reconstructing signals, and/or encoding or decoding data for storage or transmission. Points of a signal may be determined as local extrema or points where an absolute rise of the signal is greater than a threshold. The tread and value of the points may be quantized, and certain of the quantizations may be discarded before the quantizations are transmitted. After being received, the signal may be reconstructed from the quantizations using an iterative process.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: May 23, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Harinath Garudadri, Pawan Kumar Baheti, Somdeb Majumdar
  • Publication number: 20170099634
    Abstract: Certain aspects of the present disclosure relate to a method for compressed sensing (CS). The CS is a signal processing concept wherein significantly fewer sensor measurements than that suggested by Shannon/Nyquist sampling theorem can be used to recover signals with arbitrarily fine resolution. In this disclosure, the CS framework is applied for sensor signal processing in order to support low power robust sensors and reliable communication in Body Area Networks (BANs) for healthcare and fitness applications.
    Type: Application
    Filed: October 7, 2016
    Publication date: April 6, 2017
    Inventors: Harinath Garudadri, Pawan Kumar Baheti, Somdeb Majumdar
  • Publication number: 20170085774
    Abstract: An intelligent camera network cooperatively acquires images over a wireless network. The network automatically captures images based on a trigger. The trigger may include messages from other image capturing devices. A first image capture devices is triggered to acquire an image based on a message from at least one other image capture device.
    Type: Application
    Filed: September 17, 2015
    Publication date: March 23, 2017
    Inventors: Somdeb MAJUMDAR, Regan Blythe TOWAL, M. Anthony LEWIS
  • Publication number: 20170061328
    Abstract: An apparatus for classifying an input includes a classifier and a feature extractor. The feature extractor is configured to generate a feature vector based on the input. The feature vector is also configured to set a number of elements of the feature vector to zero to produce a sparse feature vector. The sparse feature vector has the same dimensions as the feature vector generated by the feature extractor. However, the sparse feature vector includes fewer non-zero elements than the feature vector generated by the feature extractor. The feature vector is further configured to forward the sparse feature vector to the classifier to classify the input.
    Type: Application
    Filed: March 22, 2016
    Publication date: March 2, 2017
    Inventors: Somdeb MAJUMDAR, Regan Blythe TOWAL
  • Publication number: 20170039469
    Abstract: A method of detecting unknown classes is presented and includes generating a first classifier for multiple first classes. In one configuration, an output of the first classifier has a dimension of at least two. The method also includes designing a second classifier to receive the output of the first classifier to decide whether input data belongs to the multiple first classes or at least one second class.
    Type: Application
    Filed: September 9, 2015
    Publication date: February 9, 2017
    Inventors: Somdeb MAJUMDAR, Dexu LIN, Regan Blythe TOWAL, Anthony SARAH
  • Patent number: 9549118
    Abstract: A method of blink and averted gaze avoidance with a camera includes detecting an averted gaze of a subject and/or one or more closed eyes of the subject in response to receiving an input to actuate a camera shutter. The method also includes scheduling actuation of the camera shutter to a future estimated time period to capture an image of the subject when a gaze direction of the subject is centered on the camera and/or both eyes of the subject are open.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: January 17, 2017
    Assignee: QUALCOMM INCORPORATED
    Inventors: Regan Blythe Towal, Somdeb Majumdar
  • Publication number: 20160328646
    Abstract: A method of quantizing a floating point machine learning network to obtain a fixed point machine learning network using a quantizer may include selecting at least one moment of an input distribution of the floating point machine learning network. The method may also include determining quantizer parameters for quantizing values of the floating point machine learning network based at least in part on the at least one selected moment of the input distribution of the floating point machine learning network to obtain corresponding values of the fixed point machine learning network.
    Type: Application
    Filed: October 22, 2015
    Publication date: November 10, 2016
    Inventors: Dexu LIN, Venkata Sreekanta Reddy ANNAPUREDDY, David Edward HOWARD, David Jonathan JULIAN, Somdeb MAJUMDAR, William Richard BELL, II
  • Patent number: 9449272
    Abstract: A method of frequency discrimination associated with the Doppler effect is presented. The method includes mapping a first signal to a first plurality of frequency bins and a second signal to a second plurality of frequency bins. The first signal and the second signal corresponding to different times. The method also includes firing a first plurality of neurons based on contents of the first plurality of frequency bins and firing a second plurality of neurons based on contents of the second plurality of frequency bins.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: September 20, 2016
    Assignee: QUALCOMM INCORPORATED
    Inventors: Robert William Marshall, Somdeb Majumdar