Patents by Inventor Kuang-Tsu Shih

Kuang-Tsu Shih 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: 11947134
    Abstract: A device is provided to generate a three-dimensional (3D) real image. A display panel is divided into several sub-areas for emitting scenes. Through a projecting lens-array unit, the scenes enter a fusion lens unit to form a real image of light field at a position beyond common barrier. Through an eyepiece unit, the image is emitted to human eye. Thus, the present invention provides a device for near-eye viewing, which reduces existing human-eye vergence accommodation conflict (VAC) in most augmented reality and mixed reality devices. Therein, the display of near-eye light field is a process of light-field reproduction, which merges the scenes and reduces aberration.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: April 2, 2024
    Assignee: National Taiwan University
    Inventors: Jiun-Woei Huang, Chang-Le Liu, Hong-Ming Chen, Kuang-Tsu Shih
  • Publication number: 20220377301
    Abstract: A light field synthesis method and a light field synthesis system are provided. The light field synthesis method includes inputting light field information corresponding to a scene into a trained learning model. The light field information is a light field having a plurality of views. The light field synthesis method further includes configuring the trained learning model to generate a synthesized light field according to the input light field information. The synthesized light field has a plurality of new views other than the plurality of views. The trained learning model is obtained by performing a training process on a learning model, and the training process includes optimizing the learning model in a refocused image domain, so as to minimize refocused image errors.
    Type: Application
    Filed: April 28, 2022
    Publication date: November 24, 2022
    Inventors: CHANG-LE LIU, HONG-MING CHEN, KUANG-TSU SHIH
  • Publication number: 20220236584
    Abstract: A device is provided to generate a three-dimensional (3D) real image. A display panel is divided into several sub-areas for emitting scenes. Through a projecting lens-array unit, the scenes enter a fusion lens unit to form a real image of light field at a position beyond common barrier. Through an eyepiece unit, the image is emitted to human eye. Thus, the present invention provides a device for near-eye viewing, which reduces existing human-eye vergence accommodation conflict (VAC) in most augmented reality and mixed reality devices. Therein, the display of near-eye light field is a process of light-field reproduction, which merges the scenes and reduces aberration.
    Type: Application
    Filed: January 22, 2021
    Publication date: July 28, 2022
    Inventors: Jiun-Woei Huang, Chang-Le Liu, Hong-Ming Chen, Kuang-Tsu Shih
  • Patent number: 11182934
    Abstract: A system include a light source that is deficient of a first primary color, a display device to visually present a content using light beams of the light source, and a processing device to receive the content, calculate, taking into account an effect of deficiency of the first primary color in the light source, a metamer of a visual presentation of the content to compensate for the deficiency of the first primary color in the light source, wherein the calculated metamer when presented on the display device substantially preserves color appearance of the visual presentation rendered on the display device and substantially preserves a hue of the visual presentation by means of digital image processing that compensates for the effect of the deficiency of the first primary color on the color appearance, and provide, to the display device, the metamer of the visual presentation to display using the light beams.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: November 23, 2021
    Assignee: FOCAL SHARP, INC.
    Inventor: Kuang-Tsu Shih
  • Publication number: 20200202585
    Abstract: A system include a light source that is deficient of a first primary color, a display device to visually present a content using light beams of the light source, and a processing device to receive the content, calculate, taking into account an effect of deficiency of the first primary color in the light source, a metamer of a visual presentation of the content to compensate for the deficiency of the first primary color in the light source, wherein the calculated metamer when presented on the display device substantially preserves color appearance of the visual presentation rendered on the display device and substantially preserves a hue of the visual presentation by means of digital image processing that compensates for the effect of the deficiency of the first primary color on the color appearance, and provide, to the display device, the metamer of the visual presentation to display using the light beams.
    Type: Application
    Filed: March 3, 2020
    Publication date: June 25, 2020
    Applicant: Focal Sharp, Inc.
    Inventor: Kuang-Tsu Shih
  • Patent number: 10600213
    Abstract: A system include an light emitter to generate a primary light, a filter to filter the primary light to substantially remove a spectrum energy in a wavelength band, a display device to present visual content using the filtered primary light, and a processing device to receive a visual content, calculate, in view of the filtered primary light, a metamer of the visual content, and provide, to the display device, the metamer of the visual content to display in view of the filtered light.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: March 24, 2020
    Assignee: Focal Sharp, Inc.
    Inventor: Kuang-Tsu Shih
  • Publication number: 20170249755
    Abstract: A system include an light emitter to generate a primary light, a filter to filter the primary light to substantially remove a spectrum energy in a wavelength band, a display device to present visual content using the filtered primary light, and a processing device to receive a visual content, calculate, in view of the filtered primary light, a metamer of the visual content, and provide, to the display device, the metamer of the visual content to display in view of the filtered light.
    Type: Application
    Filed: February 24, 2017
    Publication date: August 31, 2017
    Inventor: Kuang-Tsu Shih
  • Patent number: 9367905
    Abstract: A method and system of enhancing a backlight-scaled image include a minimum perceptible luminance threshold of cone response with dim backlight being determined, and a luminance layer associated with an image being extracted. The luminance layer is decomposed into an HVS response layer and a background luminance layer for each pixel of the luminance layer. Luminance of dark pixels of the background luminance layer is boosted and compressed to a perceptible range above the minimum perceptible luminance threshold, thereby resulting in an enhanced background luminance layer. An enhanced luminance layer is generated through composition using the HVS response layer and the enhanced background luminance layer as inputs.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: June 14, 2016
    Assignees: National Taiwan University, Himax Technologies Limited
    Inventors: Tai-Hsiang Huang, Kuang-Tsu Shih, Su-Ling Yeh, Homer H. Chen, Sheng-Chun Niu
  • Publication number: 20160093268
    Abstract: An image processing system and method include first processing a color stimulus relative to a first anchor, and then second processing a processed color stimulus relative to a second anchor. The first processing unit and the second processing unit preserve relative attributes of the color stimulus to enhance color sensation.
    Type: Application
    Filed: September 30, 2014
    Publication date: March 31, 2016
    Inventors: Kuang-Tsu Shih, Homer H. CHEN, Yi-Nung Liu
  • Publication number: 20150085162
    Abstract: A perceptual radiometric compensation system adaptable to a projector-camera system includes a brightness scaling unit that scales down brightness of an input image and obtains appearance attributes by a color appearance model (CAM). A hue adjustment unit adjusts hue of the input image toward tone of a colored projection surface by the CAM.
    Type: Application
    Filed: August 22, 2014
    Publication date: March 26, 2015
    Inventors: Tai-Hsiang HUANG, Ting-Chun Wang, Kuang-Tsu Shih, Homer H. CHEN
  • Publication number: 20150029205
    Abstract: A method and system of enhancing a backlight-scaled image include a minimum perceptible luminance threshold of cone response with dim backlight being determined, and a luminance layer associated with an image being extracted. The luminance layer is decomposed into an HVS response layer and a background luminance layer for each pixel of the luminance layer. Luminance of dark pixels of the background luminance layer is boosted and compressed to a perceptible range above the minimum perceptible luminance threshold, thereby resulting in an enhanced background luminance layer. An enhanced luminance layer is generated through composition using the HVS response layer and the enhanced background luminance layer as inputs.
    Type: Application
    Filed: September 30, 2013
    Publication date: January 29, 2015
    Applicants: Himax Technologies Limited, National Taiwan University
    Inventors: Tai-Hsiang HUANG, Kuang-Tsu Shih, Su-Ling Yeh, Homer H. Chen, Sheng-Chun Niu