Patents by Inventor Cesar Douady-Pleven

Cesar Douady-Pleven 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: 20240257297
    Abstract: Apparatus and methods for the stitch zone calculation of a generated projection of a spherical image. In one embodiment, a non-transitory computer-readable apparatus comprising a storage apparatus, the storage apparatus comprising instructions configured to, when executed by a processor apparatus, cause a computerized apparatus to identify a stitch line associated with an equatorial area of a plurality of spherical images; re-orient the plurality of spherical images in accordance with the stitch line; and project the re-oriented plurality of spherical images to a selected image projection type.
    Type: Application
    Filed: April 11, 2024
    Publication date: August 1, 2024
    Inventors: Adeel Abbas, Timothy MacMillan, Cesar Douady-Pleven
  • Publication number: 20240259514
    Abstract: Systems and methods are disclosed for image signal processing. For example, methods may include receiving a first image from a first image sensor, receiving a second image from a second image sensor; obtaining corrected images based on the first image and the second image; obtaining stabilized images based on the corrected images; applying a parallax correction to the stabilized images to obtain a composite image; obtaining a transformed image from the composite image; and encoding an output image based on the transformed image.
    Type: Application
    Filed: April 15, 2024
    Publication date: August 1, 2024
    Inventors: Bruno César Douady-Pleven, Antoine Meler, Christophe Clienti
  • Patent number: 11983839
    Abstract: Apparatus and methods for the stitch zone calculation of a generated projection of a spherical image. In one embodiment, a non-transitory computer-readable apparatus comprising a storage apparatus, the storage apparatus comprising instructions configured to, when executed by a processor apparatus, cause a computerized apparatus to identify a stitch line associated with an equatorial area of a plurality of spherical images; re-orient the plurality of spherical images in accordance with the stitch line; and project the re-oriented plurality of spherical images to a selected image projection type.
    Type: Grant
    Filed: July 25, 2023
    Date of Patent: May 14, 2024
    Assignee: GoPro, Inc.
    Inventors: Adeel Abbas, Timothy Macmillan, Cesar Douady-Pleven
  • Patent number: 11962736
    Abstract: Systems and methods are disclosed for image signal processing. For example, methods may include receiving a first image from a first image sensor; receiving a second image from a second image sensor; determining an electronic rolling shutter correction mapping for the first image and the second image; determining a parallax correction mapping based on the first image and the second image for stitching the first image and the second image; determining a warp mapping based on the parallax correction mapping and the electronic rolling shutter correction mapping, wherein the warp mapping applies the electronic rolling shutter correction mapping after the parallax correction mapping; applying the warp mapping to image data based on the first image and the second image to obtain a composite image; and storing, displaying, or transmitting an output image that is based on the composite image.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: April 16, 2024
    Assignee: GoPro, Inc.
    Inventors: Bruno César Douady-Pleven, Antoine Meler, Christophe Clienti
  • Publication number: 20240048854
    Abstract: Systems and methods are disclosed for image signal processing. For example, methods may include receiving an image from an image sensor; applying a filter to the image to obtain a low-frequency component image and a high-frequency component image; determining a first enhanced image based on a weighted sum of the low-frequency component image and the high-frequency component image, where the high-frequency component image is weighted more than the low-frequency component image; determining a second enhanced image based on the first enhanced image and a tone mapping; and storing, displaying, or transmitting an output image based on the second enhanced image.
    Type: Application
    Filed: October 18, 2023
    Publication date: February 8, 2024
    Inventors: Guillaume Matthieu Guerin, Antoine Regimbeau, Thomas Nicolas Emmanuel Veit, Bruno Cesar Douady-Pleven, Violaine Marie Mong-lan Sudret
  • Publication number: 20230368329
    Abstract: Apparatus and methods for the stitch zone calculation of a generated projection of a spherical image. In one embodiment, a non-transitory computer-readable apparatus comprising a storage apparatus, the storage apparatus comprising instructions configured to, when executed by a processor apparatus, cause a computerized apparatus to identify a stitch line associated with an equatorial area of a plurality of spherical images; re-orient the plurality of spherical images in accordance with the stitch line; and project the re-oriented plurality of spherical images to a selected image projection type.
    Type: Application
    Filed: July 25, 2023
    Publication date: November 16, 2023
    Inventors: Adeel Abbas, Timothy MacMillan, Cesar Douady-Pleven
  • Patent number: 11800238
    Abstract: Systems and methods are disclosed for image signal processing. For example, methods may include receiving an image from an image sensor; applying a filter to the image to obtain a low-frequency component image and a high-frequency component image; determining a first enhanced image based on a weighted sum of the low-frequency component image and the high-frequency component image, where the high-frequency component image is weighted more than the low-frequency component image; determining a second enhanced image based on the first enhanced image and a tone mapping; and storing, displaying, or transmitting an output image based on the second enhanced image.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: October 24, 2023
    Assignee: GoPro, Inc.
    Inventors: Guillaume Matthieu Guerin, Antoine Regimbeau, Thomas Nicolas Emmanuel Veit, Bruno Cesar Douady-Pleven, Violaine Marie Mong-Ian Sudret
  • Patent number: 11756152
    Abstract: Apparatus and methods for the stitch zone calculation of a generated projection of a spherical image. In one embodiment, a computing device is disclosed which includes logic configured to: obtain a plurality of images; map the plurality of images onto a spherical image; re-orient the spherical image in accordance with a desired stitch line and a desired projection for the desired stitch line; and map the spherical image to the desired projection having the desired stitch line. In a variant, the desired stitch line is mapped onto an optimal stitch zone, the optimal stitch zone characterized as a set of points that defines a single line on the desired projection in which the set of points along the desired projection lie closest to the spherical image in a mean square sense.
    Type: Grant
    Filed: October 4, 2022
    Date of Patent: September 12, 2023
    Assignee: GoPro, Inc.
    Inventors: Adeel Abbas, Timothy Macmillan, Cesar Douady-Pleven
  • Publication number: 20230027366
    Abstract: Apparatus and methods for the stitch zone calculation of a generated projection of a spherical image. In one embodiment, a computing device is disclosed which includes logic configured to: obtain a plurality of images; map the plurality of images onto a spherical image; re-orient the spherical image in accordance with a desired stitch line and a desired projection for the desired stitch line; and map the spherical image to the desired projection having the desired stitch line. In a variant, the desired stitch line is mapped onto an optimal stitch zone, the optimal stitch zone characterized as a set of points that defines a single line on the desired projection in which the set of points along the desired projection lie closest to the spherical image in a mean square sense.
    Type: Application
    Filed: October 4, 2022
    Publication date: January 26, 2023
    Inventors: Adeel Abbas, Timothy Macmillan, Cesar Douady-Pleven
  • Publication number: 20220377224
    Abstract: An image capture apparatus may include an image sensor, a motion sensor, and an auto-exposure unit. The auto-exposure unit may obtain an input image captured during an exposure interval and corresponding motion data indicating motion of the image capture apparatus during the exposure interval. The auto-exposure unit may obtain image information-amount data for the input image. The auto-exposure unit may obtain derivative information-amount data based on the information-amount data and a candidate exposure adjustment. The auto-exposure unit may obtain an information-amount maximizing exposure interval based on the information-amount data and the derivative information-amount data. The image capture apparats may control the image sensor to obtain a subsequent input image signal representing a subsequent input image captured during the information-amount maximizing exposure interval, and output or store information representing the subsequent input image.
    Type: Application
    Filed: August 4, 2022
    Publication date: November 24, 2022
    Inventors: Bruno César Douady-Pleven, Thomas Nicolas Emmanuel Veit, Guillaume Matthieu Guérin
  • Patent number: 11475534
    Abstract: Apparatus and methods for the stitch zone calculation of a generated projection of a spherical image. In one embodiment, a computing device is disclosed which includes logic configured to: obtain a plurality of images; map the plurality of images onto a spherical image; re-orient the spherical image in accordance with a desired stitch line and a desired projection for the desired stitch line; and map the spherical image to the desired projection having the desired stitch line. In a variant, the desired stitch line is mapped onto an optimal stitch zone, the optimal stitch zone characterized as a set of points that defines a single line on the desired projection in which the set of points along the desired projection lie closest to the spherical image in a mean square sense.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: October 18, 2022
    Assignee: GoPro, Inc.
    Inventors: Adeel Abbas, Timothy Macmillan, Cesar Douady-Pleven
  • Patent number: 11412150
    Abstract: An image capture apparatus may include an image sensor, a motion sensor, and an auto-exposure unit. The auto-exposure unit may obtain an input image captured during an exposure interval and corresponding motion data indicating motion of the image capture apparatus during the exposure interval. The auto-exposure unit may obtain image information-amount data for the input image. The auto-exposure unit may obtain derivative information-amount data based on the information-amount data and a candidate exposure adjustment. The auto-exposure unit may obtain an information-amount maximizing exposure interval based on the information-amount data and the derivative information-amount data. The image capture apparats may control the image sensor to obtain a subsequent input image signal representing a subsequent input image captured during the information-amount maximizing exposure interval, and output or store information representing the subsequent input image.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: August 9, 2022
    Assignee: GoPro, Inc.
    Inventors: Bruno César Douady-Pleven, Thomas Nicolas Emmanuel Veit, Guillaume Matthieu Guérin
  • Patent number: 11330208
    Abstract: Flare compensation includes obtaining a first input frame, which includes lens flare, and a second input frame; obtaining a stitch line between the first input frame and the second input frame; obtaining, for the first input frame, a first intensity profile; obtaining, for the second input frame, a second intensity profile; obtaining an intensity differences profile; obtaining a first dark corner profile based on a first illumination of a first area outside a first image circle of the first input frame; obtaining a second dark corner profile based on a second illumination of a second area outside a second image circle of the second input frame; obtaining a dark corner difference profile; calculating a flare model; obtaining a flare mask; and correcting the first input frame by subtracting the flare mask from the first input frame.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: May 10, 2022
    Assignee: GoPro, Inc.
    Inventors: Bruno César Douady-Pleven, Nicolas Boehrer, Thomas Nicolas Emmanuel Veit
  • Patent number: 11276149
    Abstract: Systems and methods are disclosed for non-local means denoising of images. For example, methods may include receiving an image from an image sensor; determining a set of non-local means weights for the image; applying the set of non-local means weights to the image to obtain a first denoised image; applying the set of non-local means weights to the first denoised image to obtain a second denoised image; and storing, displaying, or transmitting an output image based on the second denoised image.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: March 15, 2022
    Assignee: GoPro, Inc.
    Inventors: Bruno César Douady-Pleven, Thomas Nicolas Emmanuel Veit, Marc Lebrun
  • Publication number: 20220078330
    Abstract: Systems and methods are disclosed for image signal processing. For example, methods may include receiving an image from an image sensor; applying a filter to the image to obtain a low-frequency component image and a high-frequency component image; determining a first enhanced image based on a weighted sum of the low-frequency component image and the high-frequency component image, where the high-frequency component image is weighted more than the low-frequency component image; determining a second enhanced image based on the first enhanced image and a tone mapping; and storing, displaying, or transmitting an output image based on the second enhanced image.
    Type: Application
    Filed: November 15, 2021
    Publication date: March 10, 2022
    Inventors: Guillaume Matthieu Guerin, Antoine Regimbeau, Thomas Nicolas Emmanuel Veit, Bruno Cesar Douady-Pleven, Violaine Marie Mong-lan Sudret
  • Patent number: 11178341
    Abstract: Systems and methods are disclosed for image signal processing. For example, methods may include receiving an image from an image sensor; applying a filter to the image to obtain a low-frequency component image and a high-frequency component image; determining a first enhanced image based on a weighted sum of the low-frequency component image and the high-frequency component image, where the high-frequency component image is weighted more than the low-frequency component image; determining a second enhanced image based on the first enhanced image and a tone mapping; and storing, displaying, or transmitting an output image based on the second enhanced image.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: November 16, 2021
    Assignee: GoPro, Inc.
    Inventors: Guillaume Matthieu Guerin, Antoine Regimbeau, Thomas Nicolas Emmanuel Veit, Bruno Cesar Douady-Pleven, Violaine Marie Mong-lan Sudret
  • Patent number: 11132773
    Abstract: Systems and methods are disclosed for image capture. For example, methods may include accessing a sequence of images from an image sensor; determining a sequence of parameters for respective images in the sequence of images based on the respective images; storing the sequence of images in a buffer; determining a temporally smoothed parameter for a current image in the sequence of images based on the sequence of parameters, wherein the sequence of parameters includes parameters for images in the sequence of images that were captured after the current image; applying image processing to the current image based on the temporally smoothed parameter to obtain a processed image; and storing, displaying, or transmitting an output image based on the processed image.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: September 28, 2021
    Assignee: GoPro, Inc.
    Inventors: Bruno César Douady-Pleven, Vincent Vacquerie
  • Publication number: 20210281710
    Abstract: Systems and methods are disclosed for image signal processing. For example, methods may include receiving a first image from a first image sensor; receiving a second image from a second image sensor; determining an electronic rolling shutter correction mapping for the first image and the second image; determining a parallax correction mapping based on the first image and the second image for stitching the first image and the second image; determining a warp mapping based on the parallax correction mapping and the electronic rolling shutter correction mapping, wherein the warp mapping applies the electronic rolling shutter correction mapping after the parallax correction mapping; applying the warp mapping to image data based on the first image and the second image to obtain a composite image; and storing, displaying, or transmitting an output image that is based on the composite image.
    Type: Application
    Filed: February 19, 2021
    Publication date: September 9, 2021
    Inventors: Bruno César Douady-Pleven, Antoine Meler, Christophe Clienti
  • Patent number: 11064110
    Abstract: Systems and methods are disclosed for image signal processing. For example, methods may include receiving, by an image signal processor, one or more input image signals from one or more image sensors; determining a mapping based on the input image signal(s), wherein the mapping includes records that associate image portions of an output image with corresponding image portions of the input image signal(s); sorting the records of the mapping according to an order of the corresponding image portions of the input image signal(s); applying, by the image signal processor, image processing to image portions of the input image signal(s) to determine image portions of one or more processed images in the order; and determining, by the image signal processor, the image portions of the output image based at least in part on the mapping and the corresponding image portions of the processed image(s) in the order.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: July 13, 2021
    Assignee: GoPro, Inc.
    Inventors: Bruno Cesar Douady-Pleven, Sandeep Doshi, Sophana Kok
  • Publication number: 20210176388
    Abstract: An image capture apparatus may include an image sensor, a motion sensor, and an auto-exposure unit. The auto-exposure unit may obtain an input image captured during an exposure interval and corresponding motion data indicating motion of the image capture apparatus during the exposure interval. The auto-exposure unit may obtain image information-amount data for the input image. The auto-exposure unit may obtain derivative information-amount data based on the information-amount data and a candidate exposure adjustment. The auto-exposure unit may obtain an information-amount maximizing exposure interval based on the information-amount data and the derivative information-amount data. The image capture apparats may control the image sensor to obtain a subsequent input image signal representing a subsequent input image captured during the information-amount maximizing exposure interval, and output or store information representing the subsequent input image.
    Type: Application
    Filed: December 23, 2020
    Publication date: June 10, 2021
    Inventors: Bruno César Douady-Pleven, Thomas Nicolas Emmanuel Veit, Guillaume Matthieu Guérin