公开(公告)号：US10600152B1

公开(公告)日：2020-03-24

申请号：US15974924

申请日：2018-05-09

Applicant: GoPro, Inc.

Inventor： Adrien Fontvielle ,  Antoine Meler ,  Benoit Fouet ,  Claire Mathis ,  Denys Bulant ,  Emeric Grange ,  Hervé Bonaillie ,  Jerome Lehaire ,  Julien Morat ,  Martin Arnoux ,  Mickaël Heudre ,  Renan Coudray ,  Stéphane Gamet ,  Thomas Vuillermet

IPC: G06K9/62 ,  G06T3/00 ,  G06K9/20 ,  H04N5/247

Abstract: Images of a scene may be captured by a set of image capture devices. Overlapping areas of the images may be identified based on the topology of the set of image capture devices. Frontiers within the overlapping areas of the images may be identified based on borders of the images. Sample points for the images may be distributed along the frontiers. Warp parameters including an anti-symmetric warping portion and a symmetric warping portion may be determined at the sample points. Displacement values may be determined at the sample points based on the warp parameters. Warp maps for the images may be determined based on diffusion of the displacement values. Displacement maps for the images may be determined based on interpolation of the warp maps. The images may be modified based on the displacement maps.

公开(公告)号：US10432855B1

公开(公告)日：2019-10-01

申请号：US15160983

申请日：2016-05-20

Applicant: GOPRO, INC.

Inventor： Alexandre Jenny ,  Renan Coudray ,  Antoine Méler ,  Thomas Vuillermet

IPC: H04N5/232 ,  H04N5/265 ,  H04N5/04 ,  G06T7/20

Abstract: Multiple video segments, including multiple frames, may be obtained. The video segments may be time synchronized for at least portions of the video segments captured during a synchronized time period. A first key frame moment may be set with the synchronized time period. A first set of construction parameter values may be determined for the frames captured during the first key frame moment. A first set of spherical images may be constructed using the first set of construction parameter values. A change may be detected in the construction parameter values at a moment in time subsequent to the first key frame moment, which may be identified as a second key frame moment. A second set of construction parameter values may be determined for the frames captured during the second key frame moment. The second set of spherical images may be constructed using the second set of construction parameter values.

公开(公告)号：US20160088222A1

公开(公告)日：2016-03-24

申请号：US14957450

申请日：2015-12-02

Applicant: GOPRO, INC.

Inventor： Alexandre Jenny ,  Renan Coudray

IPC: H04N5/232 ,  H04N5/265

CPC classification number: H04N5/23238 ,  H04N5/265

Abstract: System and methods are disclosed for stitching a plurality of video streams to generate a wide field video stream. The wide field video stream may be created by obtaining multiple video streams that correspond to a common period in time at which portion of the multiple video streams were captured. A reference instant the pertains to a common period of time order may be determined to help stitch the images corresponding to the video streams in chronological order. A reference value is then calculated for a construction parameter of one or more images from the multiple video streams captured at times that correspond to the determined reference instant. A panoramic image is then constructed by stitching together the images that correspond to the determined reference instant, thus further generating a wide field video stream.

Abstract translation: 公开了用于拼接多个视频流以产生宽视场视频流的系统和方法。 可以通过获得与捕获多个视频流的哪一部分的公共时间段相对应的多个视频流来创建宽视场视频流。 可以确定与公共时间顺序相关的参考时刻，以帮助按时间顺序针对对应于视频流的图像。 然后对于在对应于所确定的参考时刻的时间捕获的多个视频流中的一个或多个图像的构造参数来计算参考值。 然后通过将对应于所确定的参考时刻的图像拼接在一起来构建全景图像，从而进一步生成宽视野视频流。