Patents by Inventor Kai Han

Kai Han 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: 20240064281
    Abstract: A system for generating a centrally located floating three-dimensional image display for a plurality of passengers positioned within a vehicle includes a plurality of autostereoscopic three-dimensional displays, one autostereoscopic three-dimensional display individually associated with each one of the plurality of passengers, and a controller in communication with each of the plurality of autostereoscopic three-dimensional displays and adapted to cause each one of the plurality of autostereoscopic three-dimensional displays to display a three-dimensional image to the associated one of the plurality of passengers, wherein, each of the plurality of passengers perceives the three-dimensional image floating at a central location within the vehicle.
    Type: Application
    Filed: August 16, 2022
    Publication date: February 22, 2024
    Inventors: Manoj Sharma, Kai-Han Chang, Thomas A. Seder, Joseph F. Szczerba
  • Patent number: 11898867
    Abstract: A method for replaying route data with annotation for re-display comprises: recording a recorded-route-replay by a first user of a first automobile vehicle and saving the recorded-route-replay to a website; electing to trigger playback of the recorded-route-replay by a second user of a second automobile vehicle and entering a predetermined key word by the second user to trigger playback; contacting a website and downloading from the website GPS tagged pictures for a predetermined next trip travel distance of the second automobile vehicle; and retrieving one of the GPS tagged pictures when a GPS trigger location is reached during the trip of the second automobile vehicle and displaying the one of the GPS tagged pictures on an image screen of a head-up display of second automobile vehicle.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: February 13, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Thomas A. Seder, Kai-Han Chang
  • Publication number: 20240042851
    Abstract: A head-up display for displaying graphics upon a windscreen of a vehicle includes a graphic projection module for generating images upon the windscreen of the vehicle, a user input device for receiving user-generated commands created by a user of the vehicle, and one or more controllers in electronic communication with the graphic projection module and the user input device. The controller executes instructions to instruct the graphic projection module to generate a luminance adjustment graphic, where the luminance adjustment graphic includes an adaptive color palette graphic including two or more colors. The controller receives, from the user input device, a user-generated luminance input indicating a change in a level of luminance in a selected color, where the change in the level of luminance in the selected color is selected by the user to discern differences between the two or more colors caused by a color vision deficiency.
    Type: Application
    Filed: August 8, 2022
    Publication date: February 8, 2024
    Inventors: Kai-Han Chang, Thomas A. Seder
  • Publication number: 20240046619
    Abstract: A system comprises a computer including a processor and a memory. The memory includes instructions such that the processor is programmed to receive, at a deep neural network, an image captured by an image capture device. The processor is also programmed to generate a predicted distortion map based on the image and update at least one weight of the deep neural network based on a loss function of the deep neural network.
    Type: Application
    Filed: August 3, 2022
    Publication date: February 8, 2024
    Inventors: Manoj Sharma, Thomas A. Seder, Kai-Han Chang
  • Publication number: 20240045204
    Abstract: A system for displaying information for an occupant of a vehicle includes a plurality of vehicle sensors, a display, and a controller in electrical communication with the plurality of vehicle sensors and the display. The controller is programmed to detect a remote vehicle in an environment surrounding the vehicle using the plurality of vehicle sensors, determine an intended illumination status of at least one indicator of the remote vehicle using the plurality of vehicle sensors, where the intended illumination status includes an intended lit status and an intended un-lit status, and display a graphic based at least in part on the intended illumination status of the at least one indicator of the remote vehicle using the display.
    Type: Application
    Filed: August 3, 2022
    Publication date: February 8, 2024
    Inventors: Jacob Alan Bond, Joseph F. Szczerba, John P. Weiss, Kai-Han Chang, Thomas A. Seder
  • Publication number: 20240042954
    Abstract: A system for displaying information to an occupant of a vehicle includes a microphone, a camera for capturing images of an environment surrounding the vehicle, a display, and a controller in electrical communication with the microphone, the camera, and the display. The controller is programmed to receive a voice command from the occupant using the microphone, determine at least one characteristic of the requested object based on the voice command, capture an image of the environment using the camera, where the environment includes a relevant object, and to identify a location of the relevant object in the environment based at least in part on the image and the at least one characteristic of the requested object. The controller is further programmed to display a graphic based at least in part on the location of the relevant object in the environment using the display.
    Type: Application
    Filed: August 8, 2022
    Publication date: February 8, 2024
    Inventors: Jacob Alan Bond, Joseph F. Szczerba, Kai-Han Chang
  • Publication number: 20240027756
    Abstract: A head-up display system includes a projector adapted to project an image, a primary reflector, and an exit pupil replicator, the primary reflector adapted to reflect an image projected by the projector to the exit pupil replicator, and the exit pupil replicator adapted to split the projected image into a two-dimensional array of identical projected images having equal intensity.
    Type: Application
    Filed: July 25, 2022
    Publication date: January 25, 2024
    Inventors: Kai-Han Chang, Manoj Sharma, Thomas A. Seder
  • Publication number: 20240025250
    Abstract: A head-up display system for displaying graphics upon a windscreen of a vehicle to provide a driver with a gamified experience includes a driver monitoring system including one or more cameras that determine a location of a head of the driver of the vehicle and an eye location of the driver, a graphic projection module for generating images upon the windscreen of the vehicle, and one or more controllers in electronic communication with the driver monitoring system and the graphic projection module. The controller executes instructions to instruct the graphic projection module to generate a vertical alignment graphic upon the windscreen of the vehicle. The vertical alignment graphic indicates when the eye location of the driver is positioned at a nominal height of an eyebox of the head-up display.
    Type: Application
    Filed: July 25, 2022
    Publication date: January 25, 2024
    Inventors: Guy N. Kennerly, Kai-Han Chang, James W. Wells, Thomas A. Seder
  • Publication number: 20240029208
    Abstract: A holographic display system provides a maximum intensity value of an intermediate image to decrease a graphics speckle noise. The system includes an SLM having a display with a hologram generating unit and a plurality of pixels for modulating a beam of coherent light. The system further includes a beam splitter for splitting the beam into an object beam and an intermediate image beam that is associated with an intermediate image having the noise. The system further includes a camera for capturing the intermediate image, in response to the camera receiving the intermediate image beam. The system further includes a computer having a processor and a CRM. The processor is programmed to generate an actuation signal associated with a corrective holographic phase shift to decrease the noise. The SLM modifies in real-time a holographic phase of the beam per pixel, in response to the SLM receiving the actuation signal.
    Type: Application
    Filed: July 20, 2022
    Publication date: January 25, 2024
    Inventors: Manoj Sharma, Kai-Han Chang, Thomas A. Seder
  • Publication number: 20240029599
    Abstract: A system for calibrating a waveguide-based holographic head-up display that projects images upon a windscreen of a vehicle including a light-diffusing panel positioned at a center of an eyellipse to reflect the images projected by the waveguide-based holographic head-up display. An eyebox of the waveguide-based holographic head-up display is positioned at the center of an eyellipse, and the eyebox is divided into a plurality of unit exit pupils. The system also includes a camera positioned to capture the images reflected by the light-diffusing panel and one or more controllers in electronic communication with the waveguide-based holographic head-up display and the camera. The one or more controllers execute instructions to determine a warp map based on a plurality of corrected individual calibration patterns.
    Type: Application
    Filed: July 25, 2022
    Publication date: January 25, 2024
    Inventors: Kai-Han Chang, Thomas A. Seder, Manoj Sharma
  • Publication number: 20240025249
    Abstract: A method for holographic display calibration using phase modulation includes projecting an initial graphic on a windshield of a vehicle, capturing an image of the initial graphic with a camera inside a vehicle, determining a loss function value between the image of the initial graphic captured by the camera and a target graphic, modulating a phase of a light beam generating the initial graphic using the loss function value to generate an updated graphic, and displaying the updated graphic on the windshield of the vehicle.
    Type: Application
    Filed: July 25, 2022
    Publication date: January 25, 2024
    Inventors: Manoj Sharma, Kai-Han Chang, Thomas A. Seder
  • Patent number: 11880036
    Abstract: A waveguide head-up display (HUD) includes a waveguide that includes a lower surface and an upper surface and is configured to receive an input and project, based on the input, at least one image from the upper surface and into an eyebox, and a prism arranged at least one of on and above the waveguide. The prism includes a lower surface facing the waveguide and configured to receive the at least one image and an upper surface opposite the lower surface configured to project the at least one image received via the lower surface of the prism. The upper surface of the prism is angled relative to the upper surface of the waveguide such that a first normal of the upper surface of the prism is different from a second normal of the upper surface of the waveguide.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: January 23, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Thomas A. Seder, Kai-Han Chang
  • Publication number: 20240017612
    Abstract: A method and a system for user interaction with a hologram includes displaying the hologram inside a passenger compartment of the vehicle, after displaying the hologram inside the passenger compartment of the vehicle, monitoring a vehicle user inside the passenger compartment of the vehicle to determine whether the vehicle user provided a user command, determining that the vehicle user provided the user command, and in response to determining that the vehicle user provided the user command, manipulating the hologram in accordance with the user command.
    Type: Application
    Filed: July 14, 2022
    Publication date: January 18, 2024
    Inventors: Joseph F. Szczerba, Kai-Han Chang, Manoj Sharma, Thomas A. Seder
  • Publication number: 20240005164
    Abstract: A neural network training method includes performing, in a forward propagation process, binarization processing on a target weight by using a binarization function, and using data obtained through the binarization processing as a weight of a first neural network layer in a neural network; and calculating, in a backward propagation process, a gradient of a loss function with respect to the target weight by using a gradient of a fitting function as a gradient of the binarization function.
    Type: Application
    Filed: July 31, 2023
    Publication date: January 4, 2024
    Inventors: Yixing Xu, Kai Han, Yehui Tang, Yunhe Wang, Chunjing Xu
  • Patent number: 11858349
    Abstract: A head-up display system for displaying graphics upon a windscreen of a vehicle to provide a driver with a gamified experience includes a driver monitoring system including one or more cameras that determine a location of a head of the driver of the vehicle and an eye location of the driver, a graphic projection module for generating images upon the windscreen of the vehicle, and one or more controllers in electronic communication with the driver monitoring system and the graphic projection module. The controller executes instructions to instruct the graphic projection module to generate a vertical alignment graphic upon the windscreen of the vehicle. The vertical alignment graphic indicates when the eye location of the driver is positioned at a nominal height of an eyebox of the head-up display.
    Type: Grant
    Filed: July 25, 2022
    Date of Patent: January 2, 2024
    Assignee: GM Global Technology Operations LLC
    Inventors: Guy N. Kennerly, Kai-Han Chang, James W. Wells, Thomas A Seder
  • Publication number: 20230419646
    Abstract: Embodiments of this disclosure relate to the field of artificial intelligence, and disclose a feature extraction method and apparatus. The method includes: obtaining a to-be-processed object, and obtaining a segmented object based on the to-be-processed object, where the segmented object includes some elements in the to-be-processed object, a first vector indicates the segmented object, and a second vector indicates some elements in the segmented object; performing feature extraction on the first vector to obtain a first feature, and performing feature extraction on the second vector to obtain a second feature; fusing at least two second features based on a first target weight, to obtain a first fused feature; and performing fusion processing on the first feature and the first fused feature to obtain a second fused feature, where the second fused feature is used to obtain a feature of the to-be-processed object.
    Type: Application
    Filed: August 25, 2023
    Publication date: December 28, 2023
    Inventors: Kai HAN, Yunhe WANG, An XIAO, Jianyuan GUO, Chunjing XU, Li QIAN
  • Patent number: 11854403
    Abstract: A method for providing a blind reveal warning on multi-focal plane augmented reality display includes receiving remote-vehicle data, which includes information about a plurality of remote vehicles. The remote vehicles include a first remote vehicle located directly in front of the host vehicle and a second remote vehicle in front of the first remote vehicle. The method further includes determining an approach rate of the first remote vehicle to the second remote vehicle. The method further includes determining a probability that the first remote vehicle will perform a blind reveal and comparing that probability with a predetermined threshold value. The method further includes, in response to determining that the probability that the first remote vehicle will perform the blind reveal is greater than the predetermined threshold value, transmitting a command signal to the display of the host vehicle to display a virtual image.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: December 26, 2023
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Joseph F. Szczerba, John P. Weiss, Kai-Han Chang, Thomas A. Seder
  • Publication number: 20230408841
    Abstract: A system for generating a centrally located floating three-dimensional image display for a plurality of passengers positioned within a vehicle includes at least one display adapted to project a multiplexed image, a plurality of beam splitters, one beam splitter individually associated with each one of the plurality of passengers, and at least one passenger interface, each beam splitter adapted to receive a image from the at least one display and to reflect the image to the associated one of the plurality of passengers, wherein, each of the plurality of passengers perceives the image floating at a central location within the vehicle, the at least one passenger interface adapted to allow the plurality of passengers to receive annotated information and to provide input to the system.
    Type: Application
    Filed: June 16, 2022
    Publication date: December 21, 2023
    Inventors: Thomas A. Seder, Kai-Han Chang, Joseph F. Szczerba, Manoj Sharma
  • Publication number: 20230406099
    Abstract: A system for generating an image for passengers in a vehicle includes a display adapted to project an image, a polarization rotator actuatable to rotate the polarization of an image to one of S-polarization and P-polarization, a reflector unit adapted to reflect S-polarized images to a first beam splitter, and to reflect P-polarized images to a second beam splitter, each of the first and second beam splitters adapted to receive an image and to reflect the image to an associated passenger, and a controller in communication with the display and the polarization rotator, the controller adapted to simultaneously actuate the display to alternate between projecting a first image and a second image, actuate the polarization rotator to alternate between rotating the polarization of an image to S-polarization and P-polarization, and synchronize the display and the polarization rotator.
    Type: Application
    Filed: June 16, 2022
    Publication date: December 21, 2023
    Inventors: Kai-Han Chang, Manoj Sharma, Thomas A. Seder, Joseph F. Szczerba
  • Publication number: 20230401826
    Abstract: This disclosure discloses a perception network. The perception network may be applied to the artificial intelligence field, and includes a feature extraction network. A first block in the feature extraction network is configured to perform convolution processing on input data, to obtain M target feature maps; at least one second block in the feature extraction network is configured to perform convolution processing on M1 target feature maps in the M target feature maps, to obtain M1 first feature maps; a target operation in the feature extraction network is used to process M2 target feature maps in the M target feature maps, to obtain M2 second feature maps; and a concatenation operation in the feature extraction network is used to concatenate the M1 first feature maps and the M2 second feature maps, to obtain a concatenated feature map.
    Type: Application
    Filed: August 25, 2023
    Publication date: December 14, 2023
    Inventors: Jianyuan GUO, Kai HAN, Yunhe WANG, Chunjing XU