Patents by Inventor Alex Locher
Alex Locher 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: 20240153223Abstract: In particular embodiments, a computing system may capture access a set of depth measurements and an image of a scene generated using one or more sensors of an artificial reality device. The system may generate, based on the image, a plurality of segmentation masks respectively associated with a plurality of object types. The system may segment, using the plurality of segmentation masks, the set of depth measurements into subsets of depth measurements respectively associated with the plurality of object types. The system may determine, for each object type, a three-dimensional (3D) model that best fits the subset of depth measurements corresponding to the object type. The system may refine, using 3D models determined for the plurality of object types, the subsets of depth measurements respectively associated with the plurality of object types and use refined depth measurements for mixed reality rendering.Type: ApplicationFiled: November 8, 2023Publication date: May 9, 2024Inventors: Andrey Tovchigrechko, Fabian Langguth, Alex Locher, Britta Hummel, Paul Timothy Furgale, Ricardo da Silveira Cabral, Sebastian Sztuk
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Publication number: 20240046590Abstract: A mixed reality (MR) simulation system includes a console and a head mounted device (HMD). The MR system captures stereoscopic images from a real-world environment using outward-facing stereoscopic cameras mounted to the HMD. The MR system preprocesses the stereoscopic images to maximize contrast and then extracts a set of features from those images, including edges or corners, among others. For each feature, the MR system generates one or more two-dimensional (2D) polylines. Then, the MR system triangulates between 2D polylines found in right side images and corresponding 2D polylines found in left side images to generate a set of 3D polylines. The MR system interpolates between 3D vertices included in the 3D polylines or extrapolates additional 3D vertices, thereby generating a geometric reconstruction of the real-world environment. The MR system may map textures derived from the real-world environment onto the geometric representation faster than the geometric reconstruction is updated.Type: ApplicationFiled: October 18, 2023Publication date: February 8, 2024Inventors: James Allan BOOTH, Gaurav CHAURASIA, Alexandru-Eugen ICHIM, Alex LOCHER, Gioacchino NORIS, Alexander Sorkine HORNUNG, Manuel WERLBERGER
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Patent number: 11830148Abstract: A mixed reality (MR) simulation system includes a console and a head mounted device (HMD). The MR system captures stereoscopic images from a real-world environment using outward-facing stereoscopic cameras mounted to the HMD. The MR system preprocesses the stereoscopic images to maximize contrast and then extracts a set of features from those images, including edges or corners, among others. For each feature, the MR system generates one or more two-dimensional (2D) polylines. Then, the MR system triangulates between 2D polylines found in right side images and corresponding 2D polylines found in left side images to generate a set of 3D polylines. The MR system interpolates between 3D vertices included in the 3D polylines or extrapolates additional 3D vertices, thereby generating a geometric reconstruction of the real-world environment. The MR system may map textures derived from the real-world environment onto the geometric representation faster than the geometric reconstruction is updated.Type: GrantFiled: July 30, 2020Date of Patent: November 28, 2023Assignee: Meta Platforms, Inc.Inventors: James Allan Booth, Gaurav Chaurasia, Alexandru-Eugen Ichim, Alex Locher, Gioacchino Noris, Alexander Sorkine Hornung, Manuel Werlberger
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Patent number: 11818474Abstract: In one embodiment, a computing system may receive sensor data from an image sensor having a pixel array including color pixel sensors and panchromatic pixel sensors in a first pattern. Each of the color pixel sensors is associated with one of several color channels. The computing system may generate, based on the sensor data, a filtered monochrome image including monochrome values corresponding to the pixel array of the image sensor. The computing system may generate a filtered color image having a second pattern of color channels. A first pixel of a particular color channel at a first pixel location in the filtered color image is determined based on the monochrome value corresponding to the first pixel location in the filtered monochrome image, the sensor data measured by a color pixel sensor at a second pixel location, and the monochrome value at the second pixel location in the filtered monochrome image.Type: GrantFiled: August 25, 2022Date of Patent: November 14, 2023Assignee: Meta Platforms Technologies, LLCInventors: Alex Locher, Naveen Makineni, Oskar Linde, John Enders Robertson, Anthony Aslan Tenggoro
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Publication number: 20210012571Abstract: A mixed reality (MR) simulation system includes a console and a head mounted device (HMD). The MR system captures stereoscopic images from a real-world environment using outward-facing stereoscopic cameras mounted to the HMD. The MR system preprocesses the stereoscopic images to maximize contrast and then extracts a set of features from those images, including edges or corners, among others. For each feature, the MR system generates one or more two-dimensional (2D) polylines. Then, the MR system triangulates between 2D polylines found in right side images and corresponding 2D polylines found in left side images to generate a set of 3D polylines. The MR system interpolates between 3D vertices included in the 3D polylines or extrapolates additional 3D vertices, thereby generating a geometric reconstruction of the real-world environment. The MR system may map textures derived from the real-world environment onto the geometric representation faster than the geometric reconstruction is updated.Type: ApplicationFiled: July 30, 2020Publication date: January 14, 2021Inventors: James Allan Booth, Gaurav Chaurasia, Alexandru-Eugen Ichim, Alex Locher, Gioacchino Noris, Alexander Sorkine Hornung, Manuel Werlberger
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Patent number: 10733800Abstract: A mixed reality (MR) simulation system includes a console and a head mounted device (HMD). The MR system captures stereoscopic images from a real-world environment using outward-facing stereoscopic cameras mounted to the HMD. The MR system preprocesses the stereoscopic images to maximize contrast and then extracts a set of features from those images, including edges or corners, among others. For each feature, the MR system generates one or more two-dimensional (2D) polylines. Then, the MR system triangulates between 2D polylines found in right side images and corresponding 2D polylines found in left side images to generate a set of 3D polylines. The MR system interpolates between 3D vertices included in the 3D polylines or extrapolates additional 3D vertices, thereby generating a geometric reconstruction of the real-world environment. The MR system may map textures derived from the real-world environment onto the geometric representation faster than the geometric reconstruction is updated.Type: GrantFiled: September 17, 2018Date of Patent: August 4, 2020Assignee: Facebook Technologies, LLCInventors: James Allan Booth, Gaurav Chaurasia, Alexandru-Eugen Ichim, Alex Locher, Gioacchino Noris, Alexander Sorkine Hornung, Manuel Werlberger
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Publication number: 20200090406Abstract: A mixed reality (MR) simulation system includes a console and a head mounted device (HMD). The MR system captures stereoscopic images from a real-world environment using outward-facing stereoscopic cameras mounted to the HMD. The MR system preprocesses the stereoscopic images to maximize contrast and then extracts a set of features from those images, including edges or corners, among others. For each feature, the MR system generates one or more two-dimensional (2D) polylines. Then, the MR system triangulates between 2D polylines found in right side images and corresponding 2D polylines found in left side images to generate a set of 3D polylines. The MR system interpolates between 3D vertices included in the 3D polylines or extrapolates additional 3D vertices, thereby generating a geometric reconstruction of the real-world environment. The MR system may map textures derived from the real-world environment onto the geometric representation faster than the geometric reconstruction is updated.Type: ApplicationFiled: September 17, 2018Publication date: March 19, 2020Inventors: James Allan Booth, Gaurav Chaurasia, Alexandru-Eugen Ichim, Alex Locher, Gioacchino Noris, Alexander Sorkine Hornung, Manuel Werlberger