Patents by Inventor Silviu Stefan ANDREI

Silviu Stefan ANDREI 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: 11741582
    Abstract: Techniques for enhancing an image are described. For example, a lower-resolution image from a video file may be enhanced using a trained neural network applying the trained neural network on the lower-resolution image to remove artifacts by removing artifacts by generating, using a layer of the trained neural network, a residual value based on the proper subset of the received image and at least one corresponding image portion of a preceding lower resolution image in the video file and at least one corresponding image portion of a subsequent lower resolution image in the video file, upscale the lower-resolution image using bilinear upsampling, and combine the upscaled received image and residual value to generate an enhanced image.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: August 29, 2023
    Assignee: Amazon Technologies, Inc.
    Inventors: Silviu Stefan Andrei, Nataliya Shapovalova, Walterio Wolfgang Mayol Cuevas
  • Patent number: 11425448
    Abstract: An input video stream corresponding to input video content may be received over one or more networks. The input video stream may include a first image frame. An input visual feature of the first image frame may be matched to a reference visual feature of a reference image. The reference image may have a higher image quality than the first image frame. A replacement visual feature may be generated for the input visual feature. The replacement visual feature may be generated based at least in part on the reference visual feature. An enhanced image frame corresponding to the first image frame may be generated by at least replacing the input visual feature in the first image frame with the replacement visual feature. An enhanced video stream may be provided. The enhanced image frame may be a substitute for the first image frame in the enhanced video stream.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: August 23, 2022
    Assignee: Amazon Technologies, Inc.
    Inventors: Tejas Shamrao Khot, Nataliya Shapovalova, Silviu Stefan Andrei, Walterio Wolfgang Mayol Cuevas, Wasiq Bokhari
  • Patent number: 11216917
    Abstract: Techniques for enhancing an image are described. For example, a lower-resolution image from a video file may be enhanced using a trained neural network applying the trained neural network on the lower-resolution image to remove artifacts by removing artifacts by generating, using a layer of the trained neural network, a residual value based on the proper subset of the received image and at least one corresponding image portion of a preceding lower resolution image in the video file and at least one corresponding image portion of a subsequent lower resolution image in the video file, upscale the lower-resolution image using bilinear upsampling, and combine the upscaled received image and residual value to generate an enhanced image.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: January 4, 2022
    Assignee: Amazon Technologies, Inc.
    Inventors: Silviu Stefan Andrei, Nataliya Shapovalova, Walterio Wolfgang Mayol Cuevas
  • Patent number: 11210769
    Abstract: Techniques for enhancing an image are described. For example, a lower-resolution image from a video file may be enhanced using a trained neural network applying the trained neural network on the lower-resolution image to remove artifacts by generating, using a layer of the trained neural network, a residual value based on the proper subset of the received image and at least one corresponding image portion of a previously generated higher resolution image in the video file, upscaling the received image using bilinear upsampling, and combining the upscaled received image and residual value to generate an enhanced image.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: December 28, 2021
    Assignee: Amazon Technologies, Inc.
    Inventors: Nataliya Shapovalova, Walterio Wolfgang Mayol Cuevas, Silviu Stefan Andrei
  • Patent number: 11017506
    Abstract: Techniques for enhancing an image are described. For example, a lower-resolution image, for example from a video file, may be enhanced using a trained neural network by applying the trained neural network to enhance a middle lower-resolution image of a plurality of lower-resolution images using a generator with filters of a generative adversary network. In some examples, a plurality of sequential feature processing acts are performed on the lower-resolution images to generate a residual which is added to a filtered version of one of the lower-resolution images to generate an enhanced image.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: May 25, 2021
    Assignee: Amazon Technologies, Inc.
    Inventors: Walterio Wolfgang Mayol Cuevas, Silviu Stefan Andrei, Nataliya Shapovalova
  • Publication number: 20200349681
    Abstract: Techniques for enhancing an image are described. For example, a lower-resolution image from a video file may be enhanced using a trained neural network applying the trained neural network on the lower-resolution image to remove artifacts by removing artifacts by generating, using a layer of the trained neural network, a residual value based on the proper subset of the received image and at least one corresponding image portion of a preceding lower resolution image in the video file and at least one corresponding image portion of a subsequent lower resolution image in the video file, upscale the lower-resolution image using bilinear upsampling, and combine the upscaled received image and residual value to generate an enhanced image.
    Type: Application
    Filed: May 3, 2019
    Publication date: November 5, 2020
    Inventors: Silviu Stefan ANDREI, Nataliya SHAPOVALOVA, Walterio Wolfgang MAYOL CUEVAS
  • Publication number: 20200349682
    Abstract: Techniques for enhancing an image are described.
    Type: Application
    Filed: May 3, 2019
    Publication date: November 5, 2020
    Inventors: Walterio Wolfgang MAYOL CUEVAS, Silviu Stefan ANDREI, Nataliya SHAPOVALOVA
  • Publication number: 20200349686
    Abstract: Techniques for enhancing an image are described. For example, a lower-resolution image from a video file may be enhanced using a trained neural network applying the trained neural network on the lower-resolution image to remove artifacts by generating, using a layer of the trained neural network, a residual value based on the proper subset of the received image and at least one corresponding image portion of a previously generated higher resolution image in the video file, upscaling the received image using bilinear upsampling, and combining the upscaled received image and residual value to generate an enhanced image.
    Type: Application
    Filed: May 3, 2019
    Publication date: November 5, 2020
    Inventors: Nataliya SHAPOVALOVA, Walterio Wolfgang MAYOL CUEVAS, Silviu Stefan ANDREI