Patents by Inventor Cheng-Yu Pai

Cheng-Yu Pai 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: 20240079229
    Abstract: The present disclosure provides a method of manufacturing a semiconductor device. The method includes: forming a transistor region in a substrate; forming a gate dielectric layer over the transistor region; forming a diffusion-blocking layer over the gate dielectric layer; forming a first portion of a work function layer over the diffusion-blocking layer; forming a second portion of the work function layer over the first portion of the work function layer; forming a plurality of barrier elements on or under a top surface of the second portion of the work function layer; and forming a gate electrode over the work function layer, wherein the plurality of barrier elements block oxygen from diffusing into the work function layer during the formation of the gate electrode.
    Type: Application
    Filed: September 1, 2022
    Publication date: March 7, 2024
    Inventors: CHIA CHAN FAN, CHUNG-LIANG CHENG, CHIN-CHIA YEH, CHIEH CHIANG, CHENG YU PAI
  • Patent number: 11330263
    Abstract: Techniques for machine learning based coded size estimation in rate control of video encoding are described. An encoder in accordance with various embodiments uses one or more machine learning approaches to facilitate the rate control of video encoding. When training one or more neural network models, the relationship between the coded size and unit characteristics (e.g., picture pixels and/or picture features) is learned from past encoding. The encoder then uses the trained model(s) to estimate the coded size through model inference with improved accuracy. In some embodiments, the trained model(s) are integrated into the encoder for direct model inference. The direct model inference reduces the overhead of referencing application programming interfaces (APIs) provided by a separate machine learning platform, thus making the rate control methods and systems described herein useful in real time video encoding.
    Type: Grant
    Filed: February 16, 2021
    Date of Patent: May 10, 2022
    Assignee: Synamedia Limited
    Inventors: Longji Wang, Cheng-Yu Pai, Stephen Warrington
  • Patent number: 9843815
    Abstract: A method of deblocking an input signal is disclosed. The method generally includes the steps of (A) calculating a plurality of transform coefficients corresponding to each of a plurality of blocks in the input signal at baseband, (B) calculating a plurality of quantization parameters based on the transform coefficients, at least one of the quantization parameters corresponding to each respective one of the blocks and (C) generating an output signal by deblocking the input signal based on the quantization parameters.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: December 12, 2017
    Assignee: AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD.
    Inventors: Lowell L. Winger, Ossama E. A. El Badawy, Cheng-Yu Pai
  • Patent number: 9623572
    Abstract: A cutter assembly has a blade holder, a blade, a slider and a screw-locking device. The blade is moveably mounted in the blade holder and has a moving direction. The blade holder has a bottom and multiple engaging segments disposed on the bottom along the moving direction of the blade. The slider is mounted slidably on the blade holder and connected to the blade. The screw-locking device is mounted on the slider and has a locking bolt and a locking sleeve screwed with each other. The locking bolt has an end selectively engaging at least one of the engaging segments.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: April 18, 2017
    Assignee: SDI Corporation
    Inventors: Cheng-Yu Pai, Yao-Chia Chu, Ching-Li Chen, Chou-Chieh Tsai
  • Patent number: 9457483
    Abstract: A cutter assembly has a blade holder, a slider, an automatic locking device, a screw locking device and a blade. The blade holder has a guiding channel defined in the blade holder and having two inner edges. Multiple engaging teeth are arranged in a line along at least one of the inner edges. The slider is mounted slidably on the blade holder relative to the guiding channel. The automatic locking device is mounted on the slider and has a resilient member selectively engaging at least one of the engaging teeth. The screw locking device is mounted on the slider and has a relative travel distance between the screw locking device and the slider. The blade is mounted slidably in the blade holder and connected to the slider.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: October 4, 2016
    Assignee: SDI CORPORATION
    Inventors: Chien-Lung Wu, Chih-Wei Hsu, Yao-Chia Chu, Cheng-Yu Pai, Chi-Cheng Hung
  • Publication number: 20160089798
    Abstract: A cutter assembly has a blade holder, a blade, a slider and a screw-locking device. The blade is moveably mounted in the blade holder and has a moving direction. The blade holder has a bottom and multiple engaging segments disposed on the bottom along the moving direction of the blade. The slider is mounted slidably on the blade holder and connected to the blade. The screw-locking device is mounted on the slider and has a locking bolt and a locking sleeve screwed with each other. The locking bolt has an end selectively engaging at least one of the engaging segments.
    Type: Application
    Filed: September 25, 2014
    Publication date: March 31, 2016
    Inventors: Cheng-Yu Pai, Yao-Chia Chu, Ching-Li Chen, Chou-Chieh Tsai
  • Publication number: 20150209968
    Abstract: A cutter assembly has a blade holder, a slider, an automatic locking device, a screw locking device and a blade. The blade holder has a guiding channel defined in the blade holder and having two inner edges. Multiple engaging teeth are arranged in a line along at least one of the inner edges. The slider is mounted slidably on the blade holder relative to the guiding channel. The automatic locking device is mounted on the slider and has a resilient member selectively engaging at least one of the engaging teeth. The screw locking device is mounted on the slider and has a relative travel distance between the screw locking device and the slider. The blade is mounted slidably in the blade holder and connected to the slider.
    Type: Application
    Filed: January 24, 2014
    Publication date: July 30, 2015
    Applicant: SDI CORPORATION
    Inventors: Chien-Lung WU, Chih-Wei HSU, Yao-Chia CHU, Cheng-Yu PAI, Chi-Cheng HUNG
  • Publication number: 20150003519
    Abstract: A method of deblocking an input signal is disclosed. The method generally includes the steps of (A) calculating a plurality of transform coefficients corresponding to each of a plurality of blocks in the input signal at baseband, (B) calculating a plurality of quantization parameters based on the transform coefficients, at least one of the quantization parameters corresponding to each respective one of the blocks and (C) generating an output signal by deblocking the input signal based on the quantization parameters.
    Type: Application
    Filed: August 18, 2014
    Publication date: January 1, 2015
    Inventors: Lowell L. Winger, Ossama E.A. El Badawy, Cheng-Yu Pai
  • Patent number: 8842929
    Abstract: A method of deblocking an input signal is disclosed. The method generally includes the steps of (A) calculating a plurality of transform coefficients corresponding to each of a plurality of blocks in the input signal at baseband, (B) calculating a plurality of quantization parameters based on the transform coefficients, at least one of the quantization parameters corresponding to each respective one of the blocks and (C) generating an output signal by deblocking the input signal based on the quantization parameters.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: September 23, 2014
    Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.
    Inventors: Lowell L. Winger, Ossama E. A. El Badawy, Cheng-Yu Pai
  • Publication number: 20140219331
    Abstract: Examples of apparatuses and methods for performing a joint RD optimization operation are described herein. A method may include successively encoding a macroblock using a plurality of coding modes. The method may further include determining a corresponding rate-distortion cost to encode the macroblock based on a corresponding coding mode of the plurality of coding modes. The method may further include determining a corresponding estimated rate-distortion cost to encode one or more macroblocks affected by encoding the macroblock using the corresponding coding mode. The method may further include selecting a coding mode of the plurality of coding modes having a lowest corresponding joint rate-distortion cost. The corresponding total rate-distortion cost comprises the corresponding rate-distortion cost to encode the macroblock and the corresponding estimated rate-distortion cost to encode the one or more of the affected macroblocks.
    Type: Application
    Filed: February 6, 2013
    Publication date: August 7, 2014
    Applicant: Magnum Semiconductor, Inc.
    Inventors: Cheng-Yu Pai, Krzysztof Hebel, Lowerll Winger
  • Publication number: 20120207228
    Abstract: A method of deblocking an input signal is disclosed. The method generally includes the steps of (A) calculating a plurality of transform coefficients corresponding to each of a plurality of blocks in the input signal at baseband, (B) calculating a plurality of quantization parameters based on the transform coefficients, at least one of the quantization parameters corresponding to each respective one of the blocks and (C) generating an output signal by deblocking the input signal based on the quantization parameters.
    Type: Application
    Filed: February 22, 2012
    Publication date: August 16, 2012
    Inventors: Lowell L. Winger, Ossama E. A. El Badawy, Cheng-Yu Pai
  • Patent number: 8204122
    Abstract: A method of compressed picture reconstruction using a plurality of post-processed reference pictures. The method generally includes the steps of (A) generating a first of a plurality of reconstructed pictures by decoding a first of a plurality of compressed pictures using at least one of a plurality of non-post-processed reference pictures buffered in a reference memory, wherein the compressed pictures are received in an input bitstream, (B) generating a first of a plurality of processed pictures by artifact processing the first reconstructed picture to remove artifacts, (C) buffering in the reference memory both (i) the first reconstructed picture as one of the non-post-processed reference pictures and (ii) the first processed picture as one of the post-processed reference pictures and (D) generating a second of the reconstructed pictures by decoding a second of the compressed pictures using at least one of the post-processed reference pictures buffered in the reference memory.
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: June 19, 2012
    Assignee: LSI Corporation
    Inventors: Lowell L. Winger, Ossama E. A. El Badawy, Cheng-Yu Pai
  • Patent number: 8150187
    Abstract: A method of deblocking an input signal is disclosed. The method generally includes the steps of (A) calculating a plurality of transform coefficients corresponding to each of a plurality of blocks in the input signal at baseband, (B) calculating a plurality of quantization parameters based on the transform coefficients, at least one of the quantization parameters corresponding to each respective one of the blocks and (C) generating an output signal by deblocking the input signal based on the quantization parameters.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: April 3, 2012
    Assignee: LSI Corporation
    Inventors: Lowell L. Winger, Ossama E. A. El Badawy, Cheng-Yu Pai
  • Patent number: 7973858
    Abstract: A method for reduced memory and bandwidth motion adaptive video deinterlacing is disclosed. The method generally includes the steps of (A) generating a frame by deinterlacing a current field in a first of a plurality of modes, (B) generating the frame by deinterlacing using both of the current field and an opposite-parity field in a second of the modes and (C) generating the frame be deinterlacing using all of the current field, the opposite-parity field and another field in a third of the modes, wherein the method uses at least two of the modes.
    Type: Grant
    Filed: October 23, 2006
    Date of Patent: July 5, 2011
    Assignee: LSI Corporation
    Inventors: Cheng-Yu Pai, Lowell L. Winger
  • Patent number: 7961252
    Abstract: A method for motion adaptive video deinterlacing is disclosed. The method generally includes the steps of (A) in a first plurality among a plurality of modes, generating a frame by deinterlacing a current field using a plurality of memory bandwidth configurations and (B) in a second plurality among the modes, generating the frame by deinterlacing the current field using a plurality of linestore configurations.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: June 14, 2011
    Assignee: LSI Corporation
    Inventors: Cheng-Yu Pai, Lowell L. Winger
  • Publication number: 20090028244
    Abstract: A method of compressed picture reconstruction using a plurality of post-processed reference pictures. The method generally includes the steps of (A) generating a first of a plurality of reconstructed pictures by decoding a first of a plurality of compressed pictures using at least one of a plurality of non-post-processed reference pictures buffered in a reference memory, wherein the compressed pictures are received in an input bitstream, (B) generating a first of a plurality of processed pictures by artifact processing the first reconstructed picture to remove artifacts, (C) buffering in the reference memory both (i) the first reconstructed picture as one of the non-post-processed reference pictures and (ii) the first processed picture as one of the post-processed reference pictures and (D) generating a second of the reconstructed pictures by decoding a second of the compressed pictures using at least one of the post-processed reference pictures buffered in the reference memory.
    Type: Application
    Filed: July 23, 2007
    Publication date: January 29, 2009
    Inventors: Lowell L. Winger, Ossama E. A. El Badawy, Cheng-Yu Pai
  • Publication number: 20080094501
    Abstract: A method for motion adaptive video deinterlacing is disclosed. The method generally includes the steps of (A) in a first plurality among a plurality of modes, generating a frame by deinterlacing a current field using a plurality of memory bandwidth configurations and (B) in a second plurality among the modes, generating the frame by deinterlacing the current field using a plurality of linestore configurations.
    Type: Application
    Filed: October 31, 2006
    Publication date: April 24, 2008
    Inventors: Cheng-Yu Pai, Lowell L. Winger
  • Publication number: 20080094505
    Abstract: A method for reduced memory and bandwidth motion adaptive video deinterlacing is disclosed. The method generally includes the steps of (A) generating a frame by deinterlacing a current field in a first of a plurality of modes, (B) generating the frame by deinterlacing using both of the current field and an opposite-parity field in a second of the modes and (C) generating the frame be deinterlacing using all of the current field, the opposite-parity field and another field in a third of the modes, wherein the method uses at least two of the modes.
    Type: Application
    Filed: October 23, 2006
    Publication date: April 24, 2008
    Inventors: Cheng-Yu Pai, Lowell L. Winger