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).
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Publication number: 20240257297Abstract: 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: ApplicationFiled: April 11, 2024Publication date: August 1, 2024Inventors: Adeel Abbas, Timothy MacMillan, Cesar Douady-Pleven
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Publication number: 20240259514Abstract: 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: ApplicationFiled: April 15, 2024Publication date: August 1, 2024Inventors: Bruno César Douady-Pleven, Antoine Meler, Christophe Clienti
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Patent number: 11983839Abstract: 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: GrantFiled: July 25, 2023Date of Patent: May 14, 2024Assignee: GoPro, Inc.Inventors: Adeel Abbas, Timothy Macmillan, Cesar Douady-Pleven
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Patent number: 11962736Abstract: 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: GrantFiled: February 19, 2021Date of Patent: April 16, 2024Assignee: GoPro, Inc.Inventors: Bruno César Douady-Pleven, Antoine Meler, Christophe Clienti
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Publication number: 20240048854Abstract: 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: ApplicationFiled: October 18, 2023Publication date: February 8, 2024Inventors: Guillaume Matthieu Guerin, Antoine Regimbeau, Thomas Nicolas Emmanuel Veit, Bruno Cesar Douady-Pleven, Violaine Marie Mong-lan Sudret
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Publication number: 20230368329Abstract: 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: ApplicationFiled: July 25, 2023Publication date: November 16, 2023Inventors: Adeel Abbas, Timothy MacMillan, Cesar Douady-Pleven
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Patent number: 11800238Abstract: 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: GrantFiled: November 15, 2021Date of Patent: October 24, 2023Assignee: GoPro, Inc.Inventors: Guillaume Matthieu Guerin, Antoine Regimbeau, Thomas Nicolas Emmanuel Veit, Bruno Cesar Douady-Pleven, Violaine Marie Mong-Ian Sudret
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Patent number: 11756152Abstract: 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: GrantFiled: October 4, 2022Date of Patent: September 12, 2023Assignee: GoPro, Inc.Inventors: Adeel Abbas, Timothy Macmillan, Cesar Douady-Pleven
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Publication number: 20230027366Abstract: 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: ApplicationFiled: October 4, 2022Publication date: January 26, 2023Inventors: Adeel Abbas, Timothy Macmillan, Cesar Douady-Pleven
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Publication number: 20220377224Abstract: 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: ApplicationFiled: August 4, 2022Publication date: November 24, 2022Inventors: Bruno César Douady-Pleven, Thomas Nicolas Emmanuel Veit, Guillaume Matthieu Guérin
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Patent number: 11475534Abstract: 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: GrantFiled: October 26, 2020Date of Patent: October 18, 2022Assignee: GoPro, Inc.Inventors: Adeel Abbas, Timothy Macmillan, Cesar Douady-Pleven
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Patent number: 11412150Abstract: 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: GrantFiled: December 23, 2020Date of Patent: August 9, 2022Assignee: GoPro, Inc.Inventors: Bruno César Douady-Pleven, Thomas Nicolas Emmanuel Veit, Guillaume Matthieu Guérin
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Patent number: 11330208Abstract: 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: GrantFiled: April 15, 2020Date of Patent: May 10, 2022Assignee: GoPro, Inc.Inventors: Bruno César Douady-Pleven, Nicolas Boehrer, Thomas Nicolas Emmanuel Veit
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Patent number: 11276149Abstract: 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: GrantFiled: April 27, 2020Date of Patent: March 15, 2022Assignee: GoPro, Inc.Inventors: Bruno César Douady-Pleven, Thomas Nicolas Emmanuel Veit, Marc Lebrun
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Publication number: 20220078330Abstract: 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: ApplicationFiled: November 15, 2021Publication date: March 10, 2022Inventors: Guillaume Matthieu Guerin, Antoine Regimbeau, Thomas Nicolas Emmanuel Veit, Bruno Cesar Douady-Pleven, Violaine Marie Mong-lan Sudret
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Patent number: 11178341Abstract: 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: GrantFiled: February 3, 2020Date of Patent: November 16, 2021Assignee: GoPro, Inc.Inventors: Guillaume Matthieu Guerin, Antoine Regimbeau, Thomas Nicolas Emmanuel Veit, Bruno Cesar Douady-Pleven, Violaine Marie Mong-lan Sudret
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Patent number: 11132773Abstract: 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: GrantFiled: May 18, 2020Date of Patent: September 28, 2021Assignee: GoPro, Inc.Inventors: Bruno César Douady-Pleven, Vincent Vacquerie
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Publication number: 20210281710Abstract: 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: ApplicationFiled: February 19, 2021Publication date: September 9, 2021Inventors: Bruno César Douady-Pleven, Antoine Meler, Christophe Clienti
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Patent number: 11064110Abstract: 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: GrantFiled: August 30, 2019Date of Patent: July 13, 2021Assignee: GoPro, Inc.Inventors: Bruno Cesar Douady-Pleven, Sandeep Doshi, Sophana Kok
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Publication number: 20210176388Abstract: 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: ApplicationFiled: December 23, 2020Publication date: June 10, 2021Inventors: Bruno César Douady-Pleven, Thomas Nicolas Emmanuel Veit, Guillaume Matthieu Guérin