Patents by Inventor Chi-Chian Yu

Chi-Chian Yu 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: 20230247073
    Abstract: Normalized resolutions are determined for first and second regions of interest of an initial video stream captured by a video capture device located within a physical space. The first region of interest is associated with a first conference participant within the physical space and the second region of interest is associated with a second conference participant within the physical space. Instructions are transmitted to the video capture device to cause the video capture device to capture, at the normalized resolutions, a first video stream associated with the first region of interest and a second video stream associated with the second region of interest. The first and second video streams conform sizes and quality levels of the first and second conference participants within separate user interface tiles of a conferencing software user interface to which the first and second video streams are output.
    Type: Application
    Filed: December 12, 2022
    Publication date: August 3, 2023
    Inventor: Chi-chian Yu
  • Publication number: 20230247077
    Abstract: A client application associated with a communications system may connect to a video conference. During the video conference, a decrease in a quality associated with an audio output generated by the communications system may be detected. In response to detecting that the quality associated with the audio output has decreased, a change to the communications system may be determined to increase the quality associated with the audio output. The change may be applied to the communications system to increase the quality of further audio output generated by the communications system during the video conference.
    Type: Application
    Filed: January 31, 2022
    Publication date: August 3, 2023
    Inventor: Chi-chian Yu
  • Publication number: 20230247071
    Abstract: A video capture device within a physical space captures an initial video stream of first and second conference participants within the physical space. Data indicative of first and second regions of interest of the initial video stream are transmitted to a computing device. The first and second regions of interest are respectively associated with the first and second conference participants. First and second video streams associated with the first and second regions of interest are captured at normalized resolutions according to instructions received from the computing device. The first and second video streams are transmitted for output within separate user interface tiles of a conferencing software user interface. The first and second video streams conform sizes and quality levels of the first and second conference participants respectively within first and second user interface tiles of the conferencing software user interface.
    Type: Application
    Filed: January 31, 2022
    Publication date: August 3, 2023
    Inventor: Chi-chian Yu
  • Publication number: 20230247076
    Abstract: Frame rates for rendering video streams depicting conference participants within a physical space are adjusted based on motion detected with respect to those conference participants. Regions of interest are identified within an initial video stream captured by a video capture device. The video capture device is caused to capture, at an initial frame rate, video streams each associated with a different one of the regions of interest. An adjusted frame rate for a region of interest of the regions of interest is determined based on information associated with content depicted within the region of interest. A frame rate of a video stream of the video streams is then adjusted from the initial frame rate to the adjusted frame rate, in which the video stream is associated with the region of interest.
    Type: Application
    Filed: December 14, 2022
    Publication date: August 3, 2023
    Inventor: Chi-chian Yu
  • Publication number: 20230209014
    Abstract: A conference gallery view intelligence system determines regions of interest for display within views of conferencing software based on input streams received from devices within a conference room during a conference. Conference participants are detected in the conference room based on an input video stream received from a video capture device. A direction of audio from the conference participants is determined based on an input audio stream received from a multi-directional audio capture device. A conversational context within the conference room is then determined based on the direction of the audio and locations of the one or more conference participants in the conference room. A region of interest to output within conferencing software is determined based on the conversational context, and the region of interest is output for display within a view of the conferencing software.
    Type: Application
    Filed: February 28, 2023
    Publication date: June 29, 2023
    Inventors: Jeffrey William Smith, Chi-chian Yu
  • Patent number: 11652655
    Abstract: A microphone of a primary client device is used to capture audio for a remote conference participant. During the conference, audio is sampled from the microphone of the primary client device and from microphones of one or more secondary client devices at the same location as the primary client device. Based on a score calculated for the audio sampled from the secondary client device being higher than a score calculated for audio sampled from the primary client device, the microphone of the secondary client device is selected for audio capture for the remote conference participant. The audio is output through conferencing software to which the primary client device is connected via a user interface tile for the conference without displaying a new user interface tile.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: May 16, 2023
    Assignee: Zoom Video Communications, Inc.
    Inventor: Chi-chian Yu
  • Publication number: 20230081717
    Abstract: User interface (UI) tiles of conference participants are arranged in a UI of conferencing software according to relative locations of those conference participants within a conference room. Positional information and video data are obtained from one or more video capture devices located within a conference room. Relative locations of conference participants within the conference room are determined based on the positional information, such as by defining coordinates for the conference participants within a coordinate system based on the positional information and the video data and determining the relative locations based on the coordinates. Output configured to cause a client application to arrange UI tiles associated with the conference participants is generated according to the relative locations. The output is then transmitted to one or more client devices to cause a UI of conferencing software at each of those client devices to display the UI tiles in the specified arrangement.
    Type: Application
    Filed: September 10, 2021
    Publication date: March 16, 2023
    Inventors: Anthony Bao Quoc Hoang, Cynthia Eshiuan Lee, Jeffrey William Smith, Chi-chian Yu
  • Patent number: 11563790
    Abstract: First and second regions of interest are be identified within an initial video stream captured by a video capture device located within a physical space, in which the first region of interest is associated with a first conference participant within the physical space and the second region of interest is associated with a second conference participant within the physical space. A first frame rate may be determined for the first region of interest based on information associated with the first conference participant, and a second frame rate may be determined for the second region of interest based on information associated with the second conference participant. A capture of a first video stream associated with the first region of interest at the first frame rate and a second video stream associated with the second region of interest at the second frame rate may then be caused.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: January 24, 2023
    Assignee: Zoom Video Communications, Inc.
    Inventor: Chi-chian Yu
  • Patent number: 11546394
    Abstract: Normalized resolutions are determined for first and second regions of interest of an initial video stream captured by a video capture device located within a physical space. The first region of interest is associated with a first conference participant within the physical space and the second region of interest is associated with a second conference participant within the physical space. Instructions are transmitted to the video capture device to cause the video capture device to capture, at the normalized resolutions, a first video stream associated with the first region of interest and a second video stream associated with the second region of interest. The first and second video streams conform sizes and quality levels of the first and second conference participants within separate user interface tiles of a conferencing software user interface to which the first and second video streams are output.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: January 3, 2023
    Assignee: Zoom Video Communications, Inc.
    Inventor: Chi-chian Yu
  • Patent number: 11140327
    Abstract: An image-capturing device includes a camera module and a controller. The camera module captures an image of an object. The camera module includes a first camera and a second camera. The first camera has a first field of view (FOV) and captures an image in the first FOV, so as to produce a first image. The second camera is adjacent to the first camera and has a second FOV, in which the first FOV is wider than the second FOV. The second camera captures an image in the second FOV, so as to produce a second image. A displayer displays one of the first and second images. When a zoom ratio of the first image increases, the controller selects a display region in the first image according to an object distance, such that the display region is enlarged and then displayed on the displayer.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: October 5, 2021
    Assignee: AVer Information Inc.
    Inventors: Kuo-Hao Huang, Chung-Yi Kao, Eric Chi-Chian Yu, Shyh-Feng Lin
  • Publication number: 20200007777
    Abstract: An image-capturing device includes a camera module and a controller. The camera module captures an image of an object. The camera module includes a first camera and a second camera. The first camera has a first field of view (FOV) and captures an image in the first FOV, so as to produce a first image. The second camera is adjacent to the first camera and has a second FOV, in which the first FOV is wider than the second FOV. The second camera captures an image in the second FOV, so as to produce a second image. A displayer displays one of the first and second images. When a zoom ratio of the first image increases, the controller selects a display region in the first image according to an object distance, such that the display region is enlarged and then displayed on the displayer.
    Type: Application
    Filed: June 26, 2019
    Publication date: January 2, 2020
    Inventors: Kuo-Hao HUANG, Chung-Yi KAO, Eric Chi-Chian YU, Shyh-Feng LIN
  • Patent number: 8335324
    Abstract: The invention provides an apparatus capable of automatic volume adjustment. In one embodiment, the apparatus comprises a speaker, an array microphone located in the vicinity of the speaker, a beamforming module, a signal-to-noise ratio calculation module, and a volume adjustment module. The speaker first broadcasts a first audio signal. The array microphone converts a sound into a plurality of second audio signals. The beamforming module derives a speaker sound signal and an ambient noise signal from the second audio signals, wherein the speaker sound signal mainly comprises speaker sound components generated by the speaker and the ambient noise signal mainly comprises noises other than the speaker sound components. The signal-to-noise ratio calculation module calculates a ratio of a first power of the speaker sound signal to a second power of the ambient noise signal to obtain a signal-to-noise ratio.
    Type: Grant
    Filed: December 24, 2008
    Date of Patent: December 18, 2012
    Assignee: Fortemedia, Inc.
    Inventors: Ming Zhang, Chi-Chian Yu
  • Patent number: 8319858
    Abstract: The invention provides an electronic apparatus. In one embodiment, the electronic apparatus comprises a video camera, a video processing module, an array microphone, and an audio processing module. The video camera adjusts a focal length according to a zoom-in/out control signal and captures an image of a plurality of target objects according to the focal length to generate a raw video signal. The video processing module generates the zoom-in/out control signal to adjust the focal length of the video camera. The array microphone comprises a plurality of microphones converting sounds of the target objects into a plurality of raw audio signals. The audio processing module adjusts a beamwidth for beamforming according to the zoom-in/out control signal, and performs a beamforming process according to the beamwidth on the raw audio signals to generate a first audio signal comprising mainly voice components of the target objects.
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: November 27, 2012
    Assignee: Fortemedia, Inc.
    Inventors: Ming Zhang, Chi-Chian Yu
  • Publication number: 20100158275
    Abstract: The invention provides an apparatus capable of automatic volume adjustment. In one embodiment, the apparatus comprises a speaker, an array microphone located in the vicinity of the speaker, a beamforming module, a signal-to-noise ratio calculation module, and a volume adjustment module. The speaker first broadcasts a first audio signal. The array microphone converts a sound into a plurality of second audio signals. The beamforming module derives a speaker sound signal and an ambient noise signal from the second audio signals, wherein the speaker sound signal mainly comprises speaker sound components generated by the speaker and the ambient noise signal mainly comprises noises other than the speaker sound components. The signal-to-noise ratio calculation module calculates a ratio of a first power of the speaker sound signal to a second power of the ambient noise signal to obtain a signal-to-noise ratio.
    Type: Application
    Filed: December 24, 2008
    Publication date: June 24, 2010
    Applicant: FORTEMEDIA, INC.
    Inventors: Ming Zhang, Chi-Chian Yu
  • Publication number: 20100110232
    Abstract: The invention provides an electronic apparatus. In one embodiment, the electronic apparatus comprises a video camera, a video processing module, an array microphone, and an audio processing module. The video camera adjusts a focal length according to a zoom-in/out control signal and captures an image of a plurality of target objects according to the focal length to generate a raw video signal. The video processing module generates the zoom-in/out control signal to adjust the focal length of the video camera. The array microphone comprises a plurality of microphones converting sounds of the target objects into a plurality of raw audio signals. The audio processing module adjusts a beamwidth for beamforming according to the zoom-in/out control signal, and performs a beamforming process according to the beamwidth on the raw audio signals to generate a first audio signal comprising mainly voice components of the target objects.
    Type: Application
    Filed: October 31, 2008
    Publication date: May 6, 2010
    Applicant: FORTEMEDIA, INC.
    Inventors: Ming Zhang, Chi-Chian Yu
  • Patent number: 7565531
    Abstract: A locking programming interface (LPI) which prevents piracy of device-related user software. An LPI Code is generated from a variety of different parameters, including a software product ID, a Production Key, and a number of device-specific parameters for the device that the user software supports. The LPI Code is burned into a memory of the device using a Production Utility process which utilizes the Production Key supplied by the software manufacturer. When the user software is installed in a host machine such as a user's computer system, the software performs basic device validation and then validates the LPI Code burned into the device against codes embedded into the user software.
    Type: Grant
    Filed: May 13, 2004
    Date of Patent: July 21, 2009
    Inventors: Chi-Chian Yu, Tseng Jan Hsu
  • Publication number: 20060026690
    Abstract: A locking programming interface (LPI) which prevents piracy of device-related user software. An LPI Code is generated from a variety of different parameters, including a software product ID, a Production Key, and a number of device-specific parameters for the device that the user software supports. The LPI Code is burned into a memory of the device using a Production Utility process which utilizes the Production Key supplied by the software manufacturer. When the user software is installed in a host machine such as a user's computer system, the software performs basic device validation and then validates the LPI Code burned into the device against codes embedded into the user software.
    Type: Application
    Filed: May 13, 2004
    Publication date: February 2, 2006
    Inventors: Chi-Chian Yu, Tseng Hsu