Patents by Inventor Xintao Wang

Xintao Wang 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: 12211909
    Abstract: An apparatus includes a substrate of a first conductivity, an extended drain region of a second conductivity formed over the substrate, a body region of the first conductivity formed in the extended drain region, a source region of the second conductivity formed in the body region, a drain region of the second conductivity formed in the extended drain region, a first dielectric layer formed over the body region and the extended drain region, a second dielectric layer formed over the extended drain region, and between the first dielectric layer and the drain region, a first gate formed over the first dielectric layer, and a second gate formed over the second dielectric layer, wherein the second gate is electrically connected to the source region.
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: January 28, 2025
    Assignee: NuVolta Technologies (Hefei) Co., Ltd.
    Inventors: John Lin, Jinbiao Huang, Xintao Wang
  • Publication number: 20240346712
    Abstract: An image coloring method includes: acquiring first color a priori information about an target image; transforming the first color a priori information to obtain second color a priori information aligned with the target image; obtaining a first image feature based on the target image; performing modulation coloring processing on the first image feature based on the second color a priori information to obtain a second image feature; and obtaining a first colored image based on the second image feature and the second color a priori information, where the first colored image is aligned with the target image.
    Type: Application
    Filed: June 26, 2024
    Publication date: October 17, 2024
    Inventors: Yanze WU, Yu LI, Xintao WANG, Honglun ZHANG, Xun ZHAO, Ying SHAN
  • Patent number: 12045914
    Abstract: An image coloring method includes: acquiring first color a priori information about an image-to-be-colored; transforming the first color a priori information to obtain second color a priori information aligned with the image-to-be-colored; downsampling the image-to-be-colored to obtain a first image feature; performing modulation coloring processing on the first image feature based on the second color a priori information to obtain a second image feature; and upsampling the second image feature based on the second color a priori information to obtain a first colored image, where the first colored image is aligned with the image-to-be-colored.
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: July 23, 2024
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Yanze Wu, Yu Li, Xintao Wang, Honglun Zhang, Xun Zhao, Ying Shan
  • Patent number: 11967895
    Abstract: A system includes a first coil configured to be magnetically coupled to a second coil, a rectifier coupled to the first coil through a capacitor, a first power stage connected between an output of the rectifier and an output voltage node, and a second power stage coupled between the output voltage node and a battery, wherein the first power stage is configured to charge the battery, and the second power stage is configured to provide isolation between the first power stage and the battery.
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: April 23, 2024
    Assignee: NuVolta Technologies (Hefei) Co., Ltd.
    Inventors: Zeng Li, Jinbiao Huang, Xintao Wang
  • Publication number: 20230072813
    Abstract: Disclosed are an image processing method performed by an electronic device. After a target image for motion transfer and at least one source image corresponding to the target image are acquired, multi-dimensional feature extraction is performed on the source and target images to acquire keypoint feature information of corresponding keypoints in the source and target images, and appearance feature information corresponding to the source image, and the keypoint feature information includes keypoint perspective information. Then, perspective transformation is performed on the keypoints according to the keypoint perspective information to acquire optic flow information of the keypoints.
    Type: Application
    Filed: November 8, 2022
    Publication date: March 9, 2023
    Inventors: Honglun ZHANG, Xintao WANG, Yu LI, Yanze WU, Ying SHAN
  • Publication number: 20230040256
    Abstract: An image coloring method includes: acquiring first color a priori information about an image-to-be-colored; transforming the first color a priori information to obtain second color a priori information aligned with the image-to-be-colored; downsampling the image-to-be-colored to obtain a first image feature; performing modulation coloring processing on the first image feature based on the second color a priori information to obtain a second image feature; and upsampling the second image feature based on the second color a priori information to obtain a first colored image, where the first colored image is aligned with the image-to-be-colored.
    Type: Application
    Filed: October 21, 2022
    Publication date: February 9, 2023
    Inventors: Yanze WU, Yu LI, Xintao WANG, Honglun ZHANG, Xun ZHAO, Ying SHAN
  • Publication number: 20230019679
    Abstract: The present disclosure relates to image processing. The method includes acquiring at least one of a backward propagation feature of an (x+1)th video frame in a video segment or a forward propagation feature of an (x?1)th video frame in the video segment. The video segment includes N video frames, N being an integer greater than 2, and x being an integer. The method further includes deriving a reconstruction feature of the xth video frame from at least one of the xth video frame, the backward propagation feature of the (x+1)th video frame, or the forward propagation feature of the (x?1)th video frame, and deriving a target video frame corresponding to the xth video frame by reconstructing the xth video frame based on the reconstruction feature of the xth video frame. The target video frame has resolution higher than that of the xth video frame.
    Type: Application
    Filed: August 11, 2022
    Publication date: January 19, 2023
    Inventors: Zhuojie CHEN, Ke YU, Xintao WANG, Chao DONG, Chenchange LOY, Xiaoou TANG
  • Patent number: 11469617
    Abstract: An apparatus comprises a power converter connected between a power source and a wireless power transfer system, wherein a power switch of the power converter is configured such that a turn-on time instant of the power switch is aligned with a turn-on time instant of at least one of switches of a transmitter of the wireless power transfer system.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: October 11, 2022
    Assignee: NuVolta Technologies (Hefei) Co., Ltd.
    Inventors: Sichao Liu, Jinbiao Huang, Xintao Wang
  • Publication number: 20220262907
    Abstract: An apparatus includes a substrate of a first conductivity, an extended drain region of a second conductivity formed over the substrate, a body region of the first conductivity formed in the extended drain region, a source region of the second conductivity formed in the body region, a drain region of the second conductivity formed in the extended drain region, a first dielectric layer formed over the body region and the extended drain region, a second dielectric layer formed over the extended drain region, and between the first dielectric layer and the drain region, a first gate formed over the first dielectric layer, and a second gate formed over the second dielectric layer, wherein the second gate is electrically connected to the source region.
    Type: Application
    Filed: January 20, 2022
    Publication date: August 18, 2022
    Inventors: John Lin, Jinbiao Huang, Xintao Wang
  • Publication number: 20220224123
    Abstract: A system includes a first coil configured to be magnetically coupled to a second coil, a rectifier coupled to the first coil through a capacitor, a first power stage connected between an output of the rectifier and an output voltage node, and a second power stage coupled between the output voltage node and a battery, wherein the first power stage is configured to charge the battery, and the second power stage is configured to provide isolation between the first power stage and the battery.
    Type: Application
    Filed: March 30, 2022
    Publication date: July 14, 2022
    Inventors: Zeng Li, Jinbiao Huang, Xintao Wang
  • Patent number: 11309716
    Abstract: A system includes a transmitter circuit coupled to an input power source, a transmitter coil coupled to the transmitter circuit, a receiver coil magnetically coupled to the transmitter coil, a rectifier coupled to the receiver coil and configured to convert an alternating current voltage into a direct current voltage, and a high efficiency power converter comprising a first stage and a second stage connected in cascade between the rectifier and a battery, wherein the first stage is configured to charge the battery, and the second stage is configured to provide isolation between the first stage and the battery.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: April 19, 2022
    Assignee: NuVolta Technologies (Hefei) Co., Ltd.
    Inventors: Zeng Li, Jinbiao Huang, Xintao Wang
  • Patent number: 11223237
    Abstract: An apparatus comprises a rectifier configured to convert an alternating current voltage into a direct current voltage, wherein the alternating current voltage is generated by a receiver coil configured to be magnetically coupled to a transmitter coil of a wireless power transfer system, a high efficiency power converter connected to the rectifier, the high efficiency power converter comprising a first stage and a second stage connected in cascade and a controller configured to detect a plurality of operating parameters and generate a control signal applied to a control loop of the first stage.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: January 11, 2022
    Assignee: NuVolta Technologies (Hefei) Co., Ltd.
    Inventors: Zeng Li, Junxiao Chen, Jinbiao Huang, Xintao Wang
  • Publication number: 20210295473
    Abstract: A method for image restoration, an electronic device and a computer storage medium are provided. The method includes that: region division is performed on an acquired image to obtain more than one sub-image; each sub-image is input into multiple paths of neural network and restored by using a restoration network determined for each sub-image; a restored image of each sub-image is output and obtained, so as to obtain a restored image of the acquired image.
    Type: Application
    Filed: June 8, 2021
    Publication date: September 23, 2021
    Applicant: BEIJING SENSETIME TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Ke YU, Xintao WANG, Chao DONG, Xiaoou TANG, Chen Change LOY
  • Publication number: 20210241470
    Abstract: An image processing method includes: acquiring an image frame sequence, including a to-be-processed image frame and one or more image frames adjacent thereto, and performing image alignment on the to-be-processed image frame and each of image frames in the image frame sequence to obtain multiple pieces of aligned feature data; determining, based on the multiple pieces of alignment feature data, multiple similarity features each between a respective one of the multiple pieces of aligned feature data and aligned feature data corresponding to the to-be-processed image frame, and determining weight information of each of multiple pieces of aligned feature data based on the multiple similarity features; and fusing the multiple pieces of aligned feature data according to the weight information to obtain fusion information of the image frame sequence, the fusion information being configured to acquire a processed image frame corresponding to the to-be-processed image frame.
    Type: Application
    Filed: April 21, 2021
    Publication date: August 5, 2021
    Inventors: Xiaoou TANG, Xintao WANG, Zhuojie CHEN, Ke YU, Chao DONG, Chen Change LOY
  • Publication number: 20210075223
    Abstract: A system includes a transmitter circuit coupled to an input power source, a transmitter coil coupled to the transmitter circuit, a receiver coil magnetically coupled to the transmitter coil, a rectifier coupled to the receiver coil and configured to convert an alternating current voltage into a direct current voltage, and a high efficiency power converter comprising a first stage and a second stage connected in cascade between the rectifier and a battery, wherein the first stage is configured to charge the battery, and the second stage is configured to provide isolation between the first stage and the battery.
    Type: Application
    Filed: November 17, 2020
    Publication date: March 11, 2021
    Inventors: Zeng Li, Jinbiao Huang, Xintao Wang
  • Patent number: 10868429
    Abstract: An apparatus comprises a rectifier configured to convert an alternating current voltage into a direct current voltage and a high efficiency power converter comprising a first stage and a second stage connected in cascade, wherein the first stage configured to operate in various operating modes for charging a battery and the second stage configured to provide isolation between the first stage and the battery.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: December 15, 2020
    Assignee: NuVolta Technologies (Hefei) Co., Ltd.
    Inventors: Zeng Li, Jinbiao Huang, Xintao Wang
  • Patent number: 10826325
    Abstract: An apparatus comprises a power converter connected between an input power source and a wireless power transfer system, wherein the power converter is configured to regulate a voltage applied to the wireless power transfer system when a load current of the wireless power transfer system is less than a first threshold and the power converter is configured to operate in an always-on mode when the load current of the wireless power transfer system is greater than the first threshold.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: November 3, 2020
    Assignee: x2 Power Technologies Limited
    Inventors: Sichao Liu, Jinbiao Huang, Xintao Wang
  • Publication number: 20200343774
    Abstract: An apparatus comprises a power converter connected between a power source and a wireless power transfer system, wherein a power switch of the power converter is configured such that a turn-on time instant of the power switch is aligned with a turn-on time instant of at least one of switches of a transmitter of the wireless power transfer system.
    Type: Application
    Filed: July 15, 2020
    Publication date: October 29, 2020
    Inventors: Sichao Liu, Jinbiao Huang, Xintao Wang
  • Publication number: 20200112202
    Abstract: An apparatus comprises a rectifier configured to convert an alternating current voltage into a direct current voltage, wherein the alternating current voltage is generated by a receiver coil configured to be magnetically coupled to a transmitter coil of a wireless power transfer system, a high efficiency power converter connected to the rectifier, the high efficiency power converter comprising a first stage and a second stage connected in cascade and a controller configured to detect a plurality of operating parameters and generate a control signal applied to a control loop of the first stage.
    Type: Application
    Filed: September 24, 2019
    Publication date: April 9, 2020
    Inventors: Zeng Li, Junxiao Chen, Jinbiao Huang, Xintao Wang
  • Publication number: 20190356149
    Abstract: An apparatus comprises a rectifier configured to convert an alternating current voltage into a direct current voltage and a high efficiency power converter comprising a first stage and a second stage connected in cascade, wherein the first stage configured to operate in various operating modes for charging a battery and the second stage configured to provide isolation between the first stage and the battery.
    Type: Application
    Filed: May 21, 2018
    Publication date: November 21, 2019
    Inventors: Zeng Li, Jinbiao Huang, Xintao Wang