Patents by Inventor Chao Shih

Chao 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).

  • Publication number: 20250076369
    Abstract: A minimum IC operating voltage searching method includes acquiring a corner type of an IC, acquiring ring oscillator data of the IC, generating a first prediction voltage according to the corner type and the ring oscillator data by using a training model, generating a second prediction voltage according to the ring oscillator data by using a non-linear regression approach under an N-ordered polynomial, and generating a predicted minimum IC operating voltage according to the first prediction voltage and the second prediction voltage. N is a positive integer.
    Type: Application
    Filed: April 16, 2024
    Publication date: March 6, 2025
    Applicant: MEDIATEK INC.
    Inventors: Ronald Kuo-Hua Ho, Kun-Yu Wang, Yen-Chang Shih, Sung-Te Chen, Cheng-Han Wu, Yi-Ying Liao, Chun-Ming Huang, Yen-Feng Lu, Ching-Yu Tsai, Tai-Lai Tung, Kuan-Fu Lin, Bo-Kang Lai, Yao-Syuan Lee, Tsyr-Rou Lin, Ming-Chao Tsai, Li-Hsuan Chiu
  • Publication number: 20250037858
    Abstract: The present invention disclose a medical image-based system for predicting lesion classification and a method thereof. The system comprises a feature data extracting module for providing a raw feature data based on a medical image, and a predicting module for outputting a predicted class and a risk index according to the raw feature data. The predicting module comprises a classification unit for generating the predicted class and a prediction score corresponding thereto according to the raw feature data, and a risk evaluation unit for generating the risk index according to the prediction score. The system provides medical personnels a reference score and a risk index to determine progression of a certain disease.
    Type: Application
    Filed: February 1, 2024
    Publication date: January 30, 2025
    Inventors: YI-SHAN TSAI, YU-HSUAN LAI, CHENG-SHIH LAI, CHAO-YUN CHEN, MENG-JHEN WU, YI-CHUAN LIN, YI-TING CHIANG, PENG-HAO FANG, PO-TSUN KUO, YI-CHIH CHIU
  • Patent number: 12211212
    Abstract: An image segmentation method includes the following steps: obtaining a target image; inputting the target image into a machine learning model to obtain an image segmentation parameter value corresponding to the target image; executing an image segmentation algorithm on the target image according to the image segmentation parameter value to obtain an image segmentation result, wherein the image segmentation result is segmenting the target image into object regions; and displaying the image segmentation result. In addition, an electronic device and storage medium using the method are also provided.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: January 28, 2025
    Assignee: NATIONAL CHENG KUNG UNIVERSITY
    Inventors: Yi-Shan Tsai, Cheng-Shih Lai, Chao-Yun Chen, Meng-Jhen Wu, Yun-Chiao Wu, Hsin-Yi Feng, Po-Tsun Kuo, Kai-Yi Wang, Wei-Cheng Su
  • Patent number: 12207962
    Abstract: The present invention relates to a method for measuring muscle mass, including: a first selection step, wherein a frame selection information is obtained by using a frame to select a fascia region from a provided computed tomography image under the condition that the window width ranges from 300 HU to 500 HU and the window level ranges from 40 HU to 50 HU, wherein the selected range of the fascia region includes a muscle; and a second selection step, wherein a muscle information of the muscle is obtained by calculating a pixel value in the frame-selected fascia region under the condition that the HU value of the CT image ranges from ?29 HU to 150 HU.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: January 28, 2025
    Assignee: National Cheng Kung University
    Inventors: Yi-Shan Tsai, Yu-Hsuan Lai, Bow Wang, Cheng-Shih Lai, Chao-Yun Chen, Meng-Jhen Wu, Po-Tsun Kuo, Tsung-Han Lee
  • Publication number: 20250028143
    Abstract: A driving mechanism for moving an optical element is provided, including a fixed part, a movable part, a driving assembly, and a first guiding member connected between the fixed part and the movable part. The optical element is disposed on the movable part, and the driving assembly drives the movable part to move relative to the fixed part. The first guiding member is configured for guiding the movable part to move relative to the fixed part.
    Type: Application
    Filed: July 10, 2024
    Publication date: January 23, 2025
    Inventors: Po-Xiang ZHUANG, Yi-Fan LEE, Chao-Yuan CHANG, Wei-Jhe SHEN, Sin-Jhong SONG, Kun-Shih LIN, Yi-Ho CHEN, Chao-Chang HU
  • Publication number: 20240372977
    Abstract: A stereoscopic display device includes a sensing device and a display device. The sensing device is suitable for sensing position information and viewing angle information of a user. The display device is connected to the sensing device and suitable for receiving the position information and the viewing angle information. The display device includes a substrate and a plurality of pixels, wherein each of the plurality of pixels includes a first sub-pixel, a second sub-pixel, and a third sub-pixel having main light-emitting directions different from each other. The display device correspondingly turns on at least one of the first sub-pixel, the second sub-pixel, and the third sub-pixel and turns off at least another of the first sub-pixel, the second sub-pixel, and the third sub-pixel based on the position information and the viewing angle information.
    Type: Application
    Filed: July 6, 2023
    Publication date: November 7, 2024
    Applicant: Acer Incorporated
    Inventors: Jui-Chieh Hsiang, Chih-Chiang Chen, Chao-Shih Huang
  • Publication number: 20240340401
    Abstract: A method for manufacturing a curved autostereoscopic display is provided. The method includes providing a curved panel. The curved panel has a panel arc length and a resolution. The method includes obtaining the optimal viewing distance based on the arc length and the resolution of the curved panel. The method includes determining the allowable curvature radius of the curved panel based on the panel arc length, the optimal viewing distance, and the allowable value. The method includes determining the actual curvature radius of the curved panel based on the optimal viewing distance or the allowable curvature radius.
    Type: Application
    Filed: December 11, 2023
    Publication date: October 10, 2024
    Inventor: Chao-Shih HUANG
  • Publication number: 20240333900
    Abstract: Disclosed are a display device and an operating method thereof. The display device includes an eye tracking circuit, a main display, an extended display, and an image processing circuit. By the eye tracking circuit disposed in the main display, the image processing circuit obtains a viewing position of eyes of a user. The image processing circuit divides an original image into a first partial image and a second partial image. The first partial image is adapted to be displayed on the main display, and the second partial image is adapted to be virtually displayed on an extended virtual display. The image processing circuit converts any pixel position on the extended virtual display into a corresponding pixel position on the extended display based on the viewing position, so as to convert the second partial image into a converted second partial image to be displayed on the extended display.
    Type: Application
    Filed: May 23, 2023
    Publication date: October 3, 2024
    Applicant: Acer Incorporated
    Inventors: Jui-Chieh Hsiang, Chih-Chiang Chen, Chao-Shih Huang
  • Patent number: 12105899
    Abstract: A method for estimating stylus position and a stylus are provided. The method includes the following operation. An image is captured towards a display through an image capturing device disposed on a stylus. A distance between the stylus and the display is detected through a distance sensor disposed on the stylus. A display bezel of the display in the image is detected. A spatial position of the stylus relative to the display is determined according to the display bezel in the image and the distance.
    Type: Grant
    Filed: August 29, 2023
    Date of Patent: October 1, 2024
    Assignee: Acer Incorporated
    Inventors: Shang-Yao Lin, Ting-Wei Yuan, Chao-Shih Huang
  • Publication number: 20240255549
    Abstract: The present invention provides a residual current detection device comprising a first conductive wire, a second conductive wire, a first magnetic concentrator and a magnetic sensing device wherein the first conductive wire generates a first magnetic field, the second conductive wire is arranged at one side of the first conductive wire for generating a second magnetic field, the first magnetic concentrator is arranged between the first and second conductive wires whereby a highly concentrated magnetic field area is formed between the first and second conductive wires, and the magnetic sensing device is arranged in the highly concentrated magnetic field area for detecting the first and second magnetic fields.
    Type: Application
    Filed: January 25, 2024
    Publication date: August 1, 2024
    Inventors: Nai-Chung Fu, Chih-Chao Shih, Ming-Yu Kuo
  • Publication number: 20240223740
    Abstract: A method for adjusting a depth of a stereoscopic image includes the following. A first disparity correction amount is obtained according to a distance between centers of two lenses of a stereoscopic camera and an interpupillary distance (IPD) of a first observer. A second disparity correction amount is obtained according to a difference between image distances of a stereoscopic display and the stereoscopic camera at zero disparity. A third disparity correction amount is obtained according to the IPD of the first observer and an IPD of a second observer. A stereoscopic image of an object photographed by the stereoscopic camera which has been corrected by the first disparity correction amount, the second disparity correction amount, and the third disparity correction amount is transmitted to the stereoscopic display. A device for adjusting a depth of a stereoscopic image is also provided.
    Type: Application
    Filed: August 1, 2023
    Publication date: July 4, 2024
    Applicant: Acer Incorporated
    Inventors: Tsung-Wei Tu, Chao-Shih Huang
  • Publication number: 20240203091
    Abstract: The disclosure provides an external parameter determination method and an image processing device. The method includes the following. A plurality of images taken by a plurality of cameras for a specific pattern are obtained. A plurality of feature point combinations are found by performing a feature point matching algorithm on the plurality of images. A slope corresponding to each feature point combination is determined. A plurality of candidate combinations are found based on the slope corresponding to each feature point combination. External parameters between the plurality of cameras are determined based on the plurality of candidate combinations.
    Type: Application
    Filed: April 26, 2023
    Publication date: June 20, 2024
    Applicant: Acer Incorporated
    Inventors: Chen-Ju Cheng, Chao-Shih Huang, Jian-Wei Lee
  • Publication number: 20240171725
    Abstract: A multi-view display device including a backlight module and a first light valve is provided. The backlight module includes a first light guide plate, a first light source, a second light guide plate, and a second light source. The first light guide plate has a plurality of first diffraction gratings. The first light source is disposed beside a first incident surface of the first light guide plate and configured to emit a first illumination beam. The second light guide plate has a plurality of second diffraction gratings. The second light source is disposed beside a second light incident surface of the second light guide plate and configured to emit a second illumination beam. The first light valve is disposed on the backlight module.
    Type: Application
    Filed: July 20, 2023
    Publication date: May 23, 2024
    Applicant: Acer Incorporated
    Inventors: Tsung-Wei Tu, Chao-Shih Huang
  • Patent number: 11930157
    Abstract: The disclosure provides an eye tracking method and an eye tracking device. The method includes obtaining a reference interpupillary distance value; taking images of a user of a 3D display, and finding a first eye pixel coordinate corresponding to a first eye of the user and a second eye pixel coordinate corresponding to a second eye of the user in each image; detecting a first and a second eye spatial coordinates of the first and the second eyes, and determining projection coordinates based on the first eye spatial coordinate, the second eye spatial coordinate, and optical parameters of image capturing elements; determining an optimization condition related to the first and second eye spatial coordinates based on the first and second eye pixel coordinates, the projection coordinates, and the reference interpupillary distance value of each image; and optimizing the first and second eye spatial coordinates based on the optimization condition.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: March 12, 2024
    Assignee: Acer Incorporated
    Inventors: Yen-Hsien Li, Shih-Ting Huang, Chao-Shih Huang
  • Patent number: 11924392
    Abstract: The disclosure provides a method for mitigating 3D crosstalk and a 3D display. The method includes: detecting first and second eye positions of a user, and determining a viewing angle of the user and a rotation angle of a head of the user accordingly; estimating a first reference position and a first midpoint position between first and second eyes of the user based on the first and second eye positions of the user; obtaining a second reference position, and estimating a difference between the first and second reference positions; correcting the first midpoint position to a second midpoint position based on the rotation angle of the user and the difference; and determining a first pixel for projecting to the first eye and a second pixel for projecting to the second eye among the pixels of the 3D display based on the second midpoint position.
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: March 5, 2024
    Assignee: Acer Incorporated
    Inventor: Chao-Shih Huang
  • Patent number: 11875532
    Abstract: The disclosure provides a feature point position detection method and an electronic device. The method includes: obtaining a plurality of first relative positions of a plurality of feature points on a specific object relative to a first image capturing element; obtaining a plurality of second relative positions of the plurality of feature points on the specific object relative to a second image capturing element; and in response to determining that the first image capturing element is unreliable, estimating a current three-dimensional position of each feature point based on a historical three-dimensional position and the plurality of second relative positions of each feature point.
    Type: Grant
    Filed: October 14, 2022
    Date of Patent: January 16, 2024
    Assignee: Acer Incorporated
    Inventors: Yen-Hsien Li, Shih-Ting Huang, Chao-Shih Huang
  • Patent number: 11815571
    Abstract: The present invention provides an electric current sensor comprising a substrate and MR sensing circuit. The substrate has a first surface along a first axis and a second axis. The MR sensing circuit is utilized to detect a magnetic filed about a third axis. The MR sensing circuit is formed onto the first surface and has a plurality of MR sensor pairs. Each MR sensor in each MR sensor pair has a plurality of conductive structures, wherein the conductive structures of one MR sensor are symmetrically arranged. Alternatively, the present invention provides an electric current sensing device using a pair of electric sensors symmetrically arranged at two lateral sides of a conductive wire having an electric current flowing therethrough for eliminating the magnetic field along Z axis generated by external environment.
    Type: Grant
    Filed: May 3, 2022
    Date of Patent: November 14, 2023
    Assignee: VOLTAFIELD TECHNOLOGY CORPORATION
    Inventors: Nai-Chung Fu, Chien-He Hou, Chih-Chao Shih, Fu-Tai Liou
  • Patent number: 11756462
    Abstract: The disclosure provides a display driving device and an operation method thereof. The display driving device includes a timing controller circuit and a driving circuit. The timing controller circuit performs oblique filter processing on an original image frame by an oblique filter with an oblique filter mask matrix to generate a processed image frame. The oblique filter comprises an oblique high-pass filter or a smoothing filter. Original pixel data of a current pixel in the original image frame is replaced with new pixel data when the oblique filter mask matrix is configured for the current pixel. The driving circuit drives a display panel module according to the processed image frame. The display panel module includes a tilt lenticular lens layer having a first tilt angle. A second tilt angle of the oblique filter mask matrix of the oblique filter processing corresponds to the first tilt angle.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: September 12, 2023
    Assignee: Acer Incorporated
    Inventors: Jui-Lin Chen, Chao-Shih Huang
  • Publication number: 20230237695
    Abstract: The disclosure provides a feature point position detection method and an electronic device. The method includes: obtaining a plurality of first relative positions of a plurality of feature points on a specific object relative to a first image capturing element; obtaining a plurality of second relative positions of the plurality of feature points on the specific object relative to a second image capturing element; and in response to determining that the first image capturing element is unreliable, estimating a current three-dimensional position of each feature point based on a historical three-dimensional position and the plurality of second relative positions of each feature point.
    Type: Application
    Filed: October 14, 2022
    Publication date: July 27, 2023
    Applicant: Acer Incorporated
    Inventors: Yen-Hsien Li, Shih-Ting Huang, Chao-Shih Huang
  • Patent number: D1065446
    Type: Grant
    Filed: October 22, 2023
    Date of Patent: March 4, 2025
    Assignee: AVALON AIR TOOLS CO., LTD.
    Inventor: Hsien-Chao Shih