Patents by Inventor Myungchul Sung

Myungchul Sung 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: 20200241526
    Abstract: A method for remotely controlling at least one autonomous vehicle is provided. The method includes steps of: an autonomous driving control device, (a) on condition that the autonomous driving control device detects driving environment by referring to sensor information and allows the autonomous vehicle to travel on an autonomous driving mode or a manual driving mode, determining whether the autonomous driving control device fails to establish a driving plan by using the driving environment and whether the autonomous driving control device fails to change to the manual driving mode by using the driving environment; and (b) if the autonomous driving control device fails to establish the driving plan or fails to change to the manual driving mode, selecting a remote control mode and transmitting request information to a remote control service providing server, to allow a remote driver to control the autonomous vehicle by using a specific remote vehicle.
    Type: Application
    Filed: December 31, 2019
    Publication date: July 30, 2020
    Applicant: STRADVISION, INC.
    Inventors: Kye-Hyeon KIM, Yongjoong KIM, Hak-Kyoung KIM, Woonhyun NAM, SukHoon BOO, Myungchul SUNG, Dongsoo SHIN, Donghun YEO, Wooju RYU, Myeong-Chun LEE, Hyungsoo LEE, Taewoong JANG, Kyungjoong JEONG, Hongmo JE, Hojin CHO
  • Publication number: 20200239029
    Abstract: A learning method for calculating collision probability, to be used for determining whether it is appropriate or not to switch driving modes of a vehicle capable of an autonomous driving, by analyzing a recent driving route of a driver is provided. And the method includes steps of: (a) a learning device, on condition that a status vector and a trajectory vector are acquired, performing processes of (i) instructing a status network to generate a status feature map and (ii) instructing a trajectory network to generate a trajectory feature map; (b) the learning device instructing a safety network to calculate a predicted collision probability representing a predicted probability of an accident occurrence; and (c) the learning device instructing a loss layer to generate a loss by referring to the predicted collision probability and a GT collision probability, which have been acquired beforehand, to learn at least part of parameters.
    Type: Application
    Filed: December 23, 2019
    Publication date: July 30, 2020
    Inventors: Kye-Hyeon Kim, Yongjoong Kim, Hak-Kyoung Kim, Woonhyun Nam, SukHoon Boo, Myungchul Sung, Dongsoo Shin, Donghun Yeo, Wooju Ryu, Myeong-Chun Lee, Hyungsoo Lee, Taewoong Jang, Kyungjoong Jeong, Hongmo Je, Hojin Cho
  • Publication number: 20200242475
    Abstract: A method for on-device continual learning of a neural network which analyzes input data is provided to be used for smartphones, drones, vessels, or a military purpose. The method includes steps of: a learning device, (a) sampling new data to have a preset first volume, instructing an original data generator network, which has been learned, to repeat outputting synthetic previous data corresponding to a k-dimension random vector and previous data having been used for learning the original data generator network, such that the synthetic previous data has a second volume, and generating a batch for a current-learning; and (b) instructing the neural network to generate output information corresponding to the batch. The method can be performed by generative adversarial networks (GANs), online learning, and the like. Also, the present disclosure has effects of saving resources such as storage, preventing catastrophic forgetting, and securing privacy.
    Type: Application
    Filed: January 28, 2019
    Publication date: July 30, 2020
    Applicant: Stradvision, Inc.
    Inventors: Kye-Hyeon Kim, Yongjoong Kim, Insu Kim, Hak-Kyoung Kim, Woonhyun Nam, SukHoon Boo, Myungchul Sung, Donghun Yeo, Wooju Ryu, Taewoong Jang, Kyungjoong Jeong, Hongmo Je, Hojin Cho
  • Publication number: 20200241544
    Abstract: A learning method for performing a seamless parameter switch by using a location-specific algorithm selection for an optimized autonomous driving is provided. And the method includes steps of: (a) a learning device instructing a K-th convolutional layer to apply a convolution operation to K-th training images, to thereby generate K-th feature maps; (b) the learning device instructing a K-th output layer to apply a K-th output operation to the K-th feature maps, to thereby generate K-th estimated autonomous driving source information; (c) the learning device instructing a K-th loss layer to generate a K-th loss by using the K-th estimated autonomous driving source information and its corresponding GT, and then to perform backpropagation by using the K-th loss, to thereby learn K-th parameters of the K-th CNN; and (d) the learning device storing the K-th CNN in a database after tagging K-th location information to the K-th CNN.
    Type: Application
    Filed: December 31, 2019
    Publication date: July 30, 2020
    Applicant: STRADVISION, INC.
    Inventors: Kye-Hyeon KIM, Yongjoong KIM, Hak-Kyoung KIM, Woonhyun NAM, SukHoon BOO, Myungchul SUNG, Dongsoo SHIN, Donghun YEO, Wooju RYU, Myeong-Chun LEE, Hyungsoo LEE, Taewoong JANG, Kyungjoong JEONG, Hongmo JE, Hojin CHO
  • Publication number: 20200242408
    Abstract: A method for learning a recurrent neural network to check an autonomous driving safety to be used for switching a driving mode of an autonomous vehicle is provided. The method includes steps of: a learning device (a) if training images corresponding to a front and a rear cameras of the autonomous vehicle are acquired, inputting each pair of the training images into corresponding CNNs, to concatenate the training images and generate feature maps for training, (b) inputting the feature maps for training into long short-term memory models corresponding to sequences of a forward RNN, and into those corresponding to the sequences of a backward RNN, to generate updated feature maps for training and inputting feature vectors for training into an attention layer, to generate an autonomous-driving mode value for training, and (c) allowing a loss layer to calculate losses and to learn the long short-term memory models.
    Type: Application
    Filed: December 20, 2019
    Publication date: July 30, 2020
    Inventors: Kye-Hyeon Kim, Yongjoong Kim, Hak-Kyoung Kim, Woonhyun Nam, SukHoon Boo, Myungchul Sung, Dongsoo Shin, Donghun Yeo, Wooju Ryu, Myeong-Chun Lee, Hyungsoo Lee, Taewoong Jang, Kyungjoong Jeong, Hongmo Je, Hojin Cho
  • Publication number: 20200242289
    Abstract: A method for calibrating a physics engine of a virtual world simulator for learning of a deep learning-based device is provided.
    Type: Application
    Filed: December 20, 2019
    Publication date: July 30, 2020
    Inventors: Kye-Hyeon Kim, Yongjoong Kim, Hak-Kyoung Kim, Woonhyun Nam, SukHoon Boo, Myungchul Sung, Dongsoo Shin, Donghun Yeo, Wooju Ryu, Myeong-Chun Lee, Hyungsoo Lee, Taewoong Jang, Kyungjoong Jeong, Hongmo Je, Hojin Cho
  • Publication number: 20200242378
    Abstract: A method for calculating exact location of a subject vehicle by using information on relative distances is provided. And the method includes steps of: (a) a computing device, if a reference image is acquired through a camera on the subject vehicle, detecting reference objects in the reference image; (b) the computing device calculating image-based reference distances between the reference objects and the subject vehicle, by referring to information on reference bounding boxes, corresponding to the reference objects, on the reference image; (c) the computing device (i) generating a distance error value by referring to the image-based reference distances and coordinate-based reference distances, and (ii) calibrating subject location information of the subject vehicle by referring to the distance error value.
    Type: Application
    Filed: December 23, 2019
    Publication date: July 30, 2020
    Inventors: Kye-Hyeon Kim, Yongjoong Kim, Hak-Kyoung Kim, Woonhyun Nam, Sukhoon Boo, Myungchul Sung, Dongsoo Shin, Donghun Yeo, Wooju Ryu, Myeong-Chun Lee, Hyungsoo Lee, Taewoong Jang, Kyungjoong Jeong, Hongmo Je, Hojin Cho
  • Publication number: 20200242477
    Abstract: A learning method for detecting driving events occurring during driving, to thereby detect driving scenarios including at least part of the driving events is provided. And the method includes steps of: (a) a learning device, if a specific enumerated event vector, including each of pieces of information on each of specific driving events as its specific components in a specific order, is acquired, instructing a RNN to apply RNN operations to the specific components, of the specific enumerated event vector, in the specific order, to thereby detect a specific predicted driving scenario including the specific driving events; (b) the learning device instructing a loss module to generate an RNN loss by referring to the specific predicted driving scenario and a specific GT driving scenario, which has been acquired beforehand, and to perform a BPTT by using the RNN loss, to thereby learn at least part of parameters of the RNN.
    Type: Application
    Filed: December 23, 2019
    Publication date: July 30, 2020
    Inventors: Kye-Hyeon Kim, Yongjoong Kim, Hak-Kyoung Kim, Woonhyun Nam, SukHoon Boo, Myungchul Sung, Dongsoo Shin, Donghun Yeo, Wooju Ryu, Myeong-Chun Lee, Hyungsoo Lee, Taewoong Jang, Kyungjoong Jeong, Hongmo Je, Hojin Cho
  • Publication number: 20200242478
    Abstract: A learning method for selecting specific information, to be used for updating an HD Map is provided. And the method includes steps of: (a) a learning device instructing a coordinate neural network to generate a local feature map and a global feature vector by applying a coordinate neural network operation to a coordinate matrix; (b) the learning device instructing a determination neural network to generate a first estimated suitability score to an N-th estimated suitability score by applying a determination neural network operation to the integrated feature map; (c) the learning device instructing a loss layer to generate a loss by referring to (i) the first estimated suitability score to the N-th estimated suitability score and (ii) a first Ground Truth (GT) suitability score to an N-th GT suitability score, and perform backpropagation by using the loss, to thereby learn parameters of the determination neural network and the coordinate neural network.
    Type: Application
    Filed: December 23, 2019
    Publication date: July 30, 2020
    Inventors: Kye-Hyeon Kim, Yongjoong Kim, Hak-Kyoung Kim, Woonhyun Nam, SukHoon Boo, Myungchul Sung, Dongsoo Shin, Donghun Yeo, Wooju Ryu, Myeong-Chun Lee, Hyungsoo Lee, Taewoong Jang, Kyungjoong Jeong, Hongmo Je, Hojin Cho
  • Publication number: 20200242479
    Abstract: A learning method for transforming a virtual video on a virtual world to a more real-looking video is provided. And the method includes steps of: (a) a learning device instructing a generating CNN to apply a convolutional operation to an N-th virtual training image, N-th meta data and (N-K)-th reference information to generate an N-th feature map; (b) the learning device instructing the generating CNN to apply a deconvolutional operation to the N-th feature map to generate an N-th transformed image; (c) the learning device instructing a discriminating CNN to apply a discriminating CNN operation to the N-th transformed image to generate a category score vector; (d) the learning device instructing the generating CNN to generate a generating CNN loss by referring to the category score vector and its corresponding GT, and to perform backpropagation by referring to the generating CNN loss to learn parameters of the generating CNN.
    Type: Application
    Filed: December 31, 2019
    Publication date: July 30, 2020
    Applicant: STRADVISION, INC.
    Inventors: Kye-Hyeon KIM, Yongjoong KIM, Hak-Kyoung KIM, Woonhyun NAM, SukHoon BOO, Myungchul SUNG, Dongsoo SHIN, Donghun YEO, Wooju RYU, Myeong-Chun LEE, Hyungsoo LEE, Taewoong JANG, Kyungjoong JEONG, Hongmo JE, Hojin CHO
  • Publication number: 20200242411
    Abstract: A learning method for generating parameters capable of representing a degree of credibility of an object detection during a process of the object detection is provided. And the method includes steps of: (a) a learning device instructing a convolutional layer to generate a convolutional feature map by applying a convolutional operation to a training image; (b) the learning device instructing an anchor layer to generate an RPN confidence map including RPN confidence scores; (c) the learning device instructing an FC layer to generate CNN confidence scores, to thereby generate a CNN confidence map; and (d) the learning device instructing a loss layer to learn parameters in the CNN and the RPN by performing backpropagation using an RPN loss and a CNN loss, generated by referring to the RPN confidence map, the CNN confidence map, an estimated object detection result and a GT object detection result.
    Type: Application
    Filed: December 23, 2019
    Publication date: July 30, 2020
    Inventors: Kye-Hyeon Kim, Yongjoong Kim, Hak-Kyoung Kim, Woonhyun Nam, SukHoon Boo, Myungchul Sung, Dongsoo Shin, Donghun Yeo, Wooju Ryu, Myeong-Chun Lee, Hyungsoo Lee, Taewoong Jang, Kyungjoong Jeong, Hongmo Je, Hojin Cho
  • Publication number: 20200242476
    Abstract: A method for on-device continual learning of a neural network which analyzes input data is provided to be used for smartphones, drones, vessels, or a military purpose. The method includes steps of: a learning device, (a) sampling new data to have a preset first volume, instructing an original data generator network, which has been learned, to repeat outputting synthetic previous data corresponding to a k-dimension random vector and previous data having been used for learning the original data generator network, such that the synthetic previous data has a second volume, and generating a batch for a current-learning; and (b) instructing the neural network to generate output information corresponding to the batch. The method can be performed by generative adversarial networks (GANs), online learning, and the like. Also, the present disclosure has effects of saving resources such as storage, preventing catastrophic forgetting, and securing privacy.
    Type: Application
    Filed: June 17, 2019
    Publication date: July 30, 2020
    Applicant: Stradvision, Inc.
    Inventors: Kye-Hyeon Kim, Yongjoong Kim, Insu Kim, Hak-Kyoung Kim, Woonhyun Nam, SukHoon Boo, Myungchul Sung, Donghun Yeo, Wooju Ryu, Taewoong Jang, Kyungjoong Jeong, Hongmo Je, Hojin Cho
  • Patent number: 10726279
    Abstract: A method for achieving better performance in an autonomous driving while saving computing powers, by using confidence scores representing a credibility of an object detection which is generated in parallel with an object detection process is provided. And the method includes steps of: (a) a computing device acquiring at least one circumstance image on surroundings of a subject vehicle, through at least one panorama view sensor installed on the subject vehicle; (b) the computing device instructing a Convolutional Neural Network(CNN) to apply at least one CNN operation to the circumstance image, to thereby generate initial object information and initial confidence information on the circumstance image; and (c) the computing device generating final object information on the circumstance image by referring to the initial object information and the initial confidence information, with a support of an RL agent.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: July 28, 2020
    Assignee: Stradvision, Inc.
    Inventors: Kye-Hyeon Kim, Yongjoong Kim, Hak-Kyoung Kim, Woonhyun Nam, SukHoon Boo, Myungchul Sung, Dongsoo Shin, Donghun Yeo, Wooju Ryu, Myeong-Chun Lee, Hyungsoo Lee, Taewoong Jang, Kyungjoong Jeong, Hongmo Je, Hojin Cho
  • Patent number: 10728461
    Abstract: A method for correcting an incorrect angle of a camera is provided. And the method includes steps of: (a) a computing device, generating first reference data or second reference data according to circumstance information by referring to a reference image; (b) the computing device generating a first angle error or a second angle error by referring to the first reference data or the second reference data with vehicle coordinate data; and (c) the computing device instructing a physical rotation module to adjust the incorrect angle by referring to the first angle error or the second angle error.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: July 28, 2020
    Assignee: Stradvision, Inc.
    Inventors: Kye-Hyeon Kim, Yongjoong Kim, Hak-Kyoung Kim, Woonhyun Nam, SukHoon Boo, Myungchul Sung, Dongsoo Shin, Donghun Yeo, Wooju Ryu, Myeong-Chun Lee, Hyungsoo Lee, Taewoong Jang, Kyungjoong Jeong, Hongmo Je, Hojin Cho
  • Patent number: 10726303
    Abstract: A learning method for generating parameters capable of representing a degree of credibility of an object detection during a process of the object detection is provided. And the method includes steps of: (a) a learning device instructing a convolutional layer to generate a convolutional feature map by applying a convolutional operation to a training image; (b) the learning device instructing an anchor layer to generate an RPN confidence map including RPN confidence scores; (c) the learning device instructing an FC layer to generate CNN confidence scores, to thereby generate a CNN confidence map; and (d) the learning device instructing a loss layer to learn parameters in the CNN and the RPN by performing backpropagation using an RPN loss and a CNN loss, generated by referring to the RPN confidence map, the CNN confidence map, an estimated object detection result and a GT object detection result.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: July 28, 2020
    Assignee: StradVision, Inc.
    Inventors: Kye-Hyeon Kim, Yongjoong Kim, Hak-Kyoung Kim, Woonhyun Nam, SukHoon Boo, Myungchul Sung, Dongsoo Shin, Donghun Yeo, Wooju Ryu, Myeong-Chun Lee, Hyungsoo Lee, Taewoong Jang, Kyungjoong Jeong, Hongmo Je, Hojin Cho
  • Publication number: 20200234135
    Abstract: A method for learning parameters of a CNN using a 1×K convolution operation or a K×1 convolution operation is provided to be used for hardware optimization which satisfies KPI. The method includes steps of: a learning device (a) instructing a reshaping layer to two-dimensionally concatenate features in each group comprised of corresponding K channels of a training image or its processed feature map, to thereby generate a reshaped feature map, and instructing a subsequent convolutional layer to apply the 1×K or the K×1 convolution operation to the reshaped feature map, to thereby generate an adjusted feature map; and (b) instructing an output layer to refer to features on the adjusted feature map or its processed feature map, and instructing a loss layer to calculate losses by referring to an output from the output layer and its corresponding GT.
    Type: Application
    Filed: January 23, 2019
    Publication date: July 23, 2020
    Inventors: Kye-Hyeon Kim, Yongjoong Kim, Insu Kim, Hak-Kyoung Kim, Woonhyun Nam, SukHoon Boo, Myungchul Sung, Donghun Yeo, Wooju Ryu, Taewoong Jang, Kyungjoong Jeong, Hongmo Je, Hojin Cho
  • Patent number: 10719739
    Abstract: A method for learning an automatic labeling device for auto-labeling a base image of a base vehicle using sub-images of nearby vehicles is provided. The method includes steps of: a learning device inputting the base image and the sub-images into previous trained dense correspondence networks to generate dense correspondences; and into encoders to output convolution feature maps, inputting the convolution feature maps into decoders to output deconvolution feature maps; with an integer k from 1 to n, generating a k-th adjusted deconvolution feature map by translating coordinates of a (k+1)-th deconvolution feature map using a k-th dense correspondence; generating a concatenated feature map by concatenating the 1-st deconvolution feature map and the adjusted deconvolution feature maps; and inputting the concatenated feature map into a masking layer to output a semantic segmentation image and instructing a 1-st loss layer to calculate 1-st losses and updating decoder weights and encoder weights.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: July 21, 2020
    Assignee: StradVision, Inc.
    Inventors: Kye-Hyeon Kim, Yongjoong Kim, Hak-Kyoung Kim, Woonhyun Nam, Sukhoon Boo, Myungchul Sung, Dongsoo Shin, Donghun Yeo, Wooju Ryu, Myeong-Chun Lee, Hyungsoo Lee, Taewoong Jang, Kyungjoong Jeong, Hongmo Je, Hojin Cho
  • Patent number: 10713948
    Abstract: A method for warning by detecting an abnormal state of a driver of a vehicle based on deep learning is provided. The method includes steps of: a driver state detecting device (a) inputting an interior image of the vehicle into a drowsiness detecting network, to detect a facial part of the driver, detect an eye part from the facial part, detect a blinking state of an eye to determine a drowsiness state, and inputting the interior image into a pose matching network, to detect body keypoints of the driver, determine whether the body keypoints match one of preset driving postures, to determine the abnormal state; and (b) if the driver is in a hazardous state referring to part of the drowsiness state and the abnormal state, transmitting information on the hazardous state to nearby vehicles over vehicle-to-vehicle communication to allow nearby drivers to perceive the hazardous state.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: July 14, 2020
    Assignee: StradVision, Inc.
    Inventors: Kye-Hyeon Kim, Yongjoong Kim, Hak-Kyoung Kim, Woonhyun Nam, Sukhoon Boo, Myungchul Sung, Dongsoo Shin, Donghun Yeo, Wooju Ryu, Myeong-Chun Lee, Hyungsoo Lee, Taewoong Jang, Kyungjoong Jeong, Hongmo Je, Hojin Cho
  • Patent number: 10713815
    Abstract: A method for supporting at least one administrator to evaluate detecting processes of object detectors to provide logical grounds of an autonomous driving is provided. And the method includes steps of: (a) a computing device instructing convolutional layers, included in an object detecting CNN which has been trained before, to generate reference convolutional feature maps by applying convolutional operations to reference images inputted thereto, and instructing ROI pooling layers included therein to generate reference ROI-Pooled feature maps by pooling at least part of values corresponding to ROIs on the reference convolutional feature maps; and (b) the computing device instructing a representative selection unit to classify the reference ROI-Pooled feature maps by referring to information on classes of objects included in their corresponding ROIs on the reference images, and to generate at least one representative feature map per each class.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: July 14, 2020
    Assignee: StradVision, Inc.
    Inventors: Kye-Hyeon Kim, Yongjoong Kim, Hak-Kyoung Kim, Woonhyun Nam, SukHoon Boo, Myungchul Sung, Dongsoo Shin, Donghun Yeo, Wooju Ryu, Myeong-Chun Lee, Hyungsoo Lee, Taewoong Jang, Kyungjoong Jeong, Hongmo Je, Hojin Cho
  • Patent number: 10699192
    Abstract: A method for optimizing a hyperparameter of an auto-labeling device performing auto-labeling and auto-evaluating of a training image to be used for learning a neural network is provided for computation reduction and achieving high precision. The method includes steps of: an optimizing device, (a) instructing the auto-labeling device to generate an original image with its auto label and a validation image with its true and auto label, to assort the original image with its auto label into an easy-original and a difficult-original images, and to assort the validation image with its own true and auto labels into an easy-validation and a difficult-validation images; and (b) calculating a current reliability of the auto-labeling device, generating a sample hyperparameter set, calculating a sample reliability of the auto-labeling device, and optimizing the preset hyperparameter set. This method can be performed by a reinforcement learning with policy gradient algorithms.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: June 30, 2020
    Assignee: STRADVISION, INC.
    Inventors: Kye-Hyeon Kim, Yongjoong Kim, Insu Kim, Hak-Kyoung Kim, Woonhyun Nam, SukHoon Boo, Myungchul Sung, Donghun Yeo, Wooju Ryu, Taewoong Jang, Kyungjoong Jeong, Hongmo Je, Hojin Cho