Methods and systems for generating stitched video content from multiple overlapping and concurrently-generated video instances

A method comprising:

• receiving, by a video generation system from a plurality of video capture devices located in a static configuration with respect to one another such that video capture devices in the plurality of video capture devices collectively capture a scene, a plurality of raw video instances, each raw video instance in the plurality of raw video instances including video data that partially overlaps with video data from at least one other raw video instance in the plurality of raw video instances and that is concurrently and asynchronously captured with video data from all of the other raw video instances in the plurality of raw video instances;
• temporally synchronizing, by the video generation system, the concurrently and asynchronously captured video data of each raw video instance in the plurality of the raw video instances to form a plurality of image sets, each image set in the plurality of image sets including a raw image from each raw video instance in the plurality of raw video instances, wherein all of the raw images within each image set in the plurality of image sets are captured simultaneously;
• determining, by the video generation system based on a camera registration process performed with respect to at least one image set in the plurality of image sets, camera registration parameter data representative of the plurality of video capture devices and the static configuration in which the plurality of video capture devices is located, the camera registration process including
• identifying a visual feature within both a first raw image and a second raw image of a particular image set of the plurality of image sets, the first and second raw images distorted based on characteristics of a first video capture device and a second video capture device of the plurality of video capture devices that, respectively, captured the first and second raw images,
• undistorting, concurrently with or subsequent to the identifying of the visual feature, the first and second raw images to generate a first undistorted image corresponding to the first raw image and a second undistorted image corresponding to the second raw image, and
• mapping the visual feature identified within both the first and the second raw images of the particular image set to both the first and the second undistorted images, respectively;
• performing, by the video generation system for each particular image set in the plurality of image sets, a video stitching process by
• undistorting, based on at least one distortion coefficient associated with the plurality of video capture devices, a first raw image of the particular image set and a second raw image of the particular image set that overlaps the first raw image to generate a first undistorted image corresponding to the first raw image and a second undistorted image corresponding to the second raw image,
• warping, based on the camera registration parameter data, the first and the second undistorted images to contour to a three-dimensional framework,
• compositing, based on the camera registration parameter data, the warped first and second undistorted images onto a particular area of the three-dimensional framework such that the warped first and second undistorted images overlap with one another in accordance with the camera registration parameter data to form an overlapping region, and
• stitching together, along a seam within the overlapping region in which the warped first and second undistorted images overlap on the three-dimensional framework, the warped first and the second undistorted images with respect to the particular area of the three-dimensional framework onto which the warped first and second images are composited;
• and
• forming, by the video generation system based on the performing of the video stitching process for each particular image set in the plurality of image sets, stitched video content representative of the scene.

A system comprising:

• at least one physical computing device that
• receives, from a plurality of video capture devices located in a static configuration with respect to one another such that the video capture devices in the plurality of video capture devices collectively capture a scene, a plurality of raw video instances, each raw video instance in the plurality of raw video instances including video data that partially overlaps with video data from at least one other raw video instance in the plurality of raw video instances and that is concurrently and asynchronously captured with video data from all of the other raw video instances in the plurality of raw video instances;
• temporally synchronizes the concurrently and asynchronously captured video data of each raw video instance in the plurality of the raw video instances to form a plurality of image sets, each image set in the plurality of image sets including a raw image from each raw video instance in the plurality of raw video instances, wherein all of the raw images within each image set in the plurality of image sets are captured simultaneously;
• identifies a visual feature within both a first raw image and a second raw image of a particular image set from the plurality of image sets, the first and second raw images distorted based on characteristics of a first video capture device and a second video capture device of the plurality of video capture devices that, respectively, captured the first and second raw images;
• undistorts, concurrently with or subsequent to the identifying of the visual feature and based on at least one distortion coefficient associated with the plurality of video capture devices, the first and second raw images of the particular image set to generate a first undistorted image corresponding to the first raw image and a second undistorted image corresponding to the second raw image;
• maps, based on the at least one distortion coefficient, the visual feature identified within both the first and the second raw images of the particular image set to both the first and the second undistorted images, respectively;
• matches, based on the mapping, the visual feature mapped to the first undistorted image with the visual feature mapped to the second undistorted image;
• determines, based on the matching, camera registration parameter data representative of the plurality of video capture devices and the static configuration in which the plurality of video capture devices is located;
• and
• performs, based on the camera registration parameter data, a video stitching process for each image set in the plurality of image sets to form stitched video content representative of the scene.

A system comprising:

• at least one physical computing device that
• receives, from a plurality of video capture devices located in a static configuration with respect to one another such that video capture devices in the plurality of video capture devices collectively capture a scene, a plurality of raw video instances, each raw video instance in the plurality of raw video instances including video data that partially overlaps with video data from at least one other raw video instance in the plurality of raw video instances and that is concurrently and asynchronously captured with video data from all of the other raw video instances in the plurality of raw video instances;
• temporally synchronizes the concurrently and asynchronously captured video data of each raw video instance in the plurality of the raw video instances to form a plurality of image sets, each image set in the plurality of image sets including a raw image from each raw video instance in the plurality of raw video instances, wherein all of the raw images within each image set in the plurality of image sets are captured simultaneously;
• determines, based on a camera registration process performed with respect to at least one image set in the plurality of image sets, camera registration parameter data representative of the plurality of video capture devices and the static configuration in which the plurality of video capture devices is located, the camera registration process including
• identifying a visual feature within both a first raw image and a second raw image of a particular image set of the plurality of image sets, the first and second raw images distorted based on characteristics of a first video capture device and a second video capture device of the plurality of video capture devices that, respectively, captured the first and second raw images,
• undistorting, concurrently with or subsequent to the identifying of the visual feature, the first and second raw images to generate a first undistorted image corresponding to the first raw image and a second undistorted image corresponding to the second raw image, and
• mapping the visual feature identified within both the first and the second raw images of the particular image set to both the first and the second undistorted images, respectively;
• performs, for each particular image set in the plurality of image sets, a video stitching process by
• undistorting, based on at least one distortion coefficient associated with the plurality of video capture devices, a first raw image of the particular image set and a second raw image of the particular image set that overlaps the first raw image to generate a first undistorted image corresponding to the first raw image and a second undistorted image corresponding to the second raw image,
• warping, based on the camera registration parameter data, the first and the second undistorted images to contour to a three-dimensional framework,
• compositing, based on the camera registration parameter data, the warped first and second undistorted images onto a particular area of the three-dimensional framework such that the warped first and second undistorted images overlap with one another in accordance with the camera registration parameter data to form an overlapping region, and
• stitching together, along a seam within the overlapping region in which the warped first and second undistorted images overlap on the three-dimensional framework, the warped first and the second undistorted images with respect to the particular area of the three-dimensional framework onto which the warped first and second images are composited;
• and
• forms, by the video generation system based on the performance of the video stitching process for each particular image set in the plurality of image sets, stitched video content representative of the scene.