AUTOMATED SEAMLESS VIDEO LOOP
    8.
    发明申请

    公开(公告)号:US20180090172A1

    公开(公告)日:2018-03-29

    申请号:US15275120

    申请日:2016-09-23

    Applicant: Apple Inc.

    CPC classification number: G11B27/007 G11B27/034 G11B27/19 G11B27/34 H04N5/76

    Abstract: Techniques and devices for creating an AutoLoop output video include performing pregate operations. The AutoLoop output video is created from a set of frames. Prior to creating the AutoLoop output video, the set of frames are automatically analyzed to identify one or more image features that are indicative of whether the image content in the set of frames is compatible with creating a video loop. Pregate operations assign one or more pregate scores for the set of frames based on the one or more identified image features, where the pregate scores indicate a compatibility to create the video loop based on the identified image features. Pregate operations automatically determine to create the video loop based on the pregate scores and generate an output video loop based on the loop parameters and at least a portion of the set of frames.

    AUTOMATED SEAMLESS VIDEO LOOP
    9.
    发明申请

    公开(公告)号:US20180090171A1

    公开(公告)日:2018-03-29

    申请号:US15275105

    申请日:2016-09-23

    Applicant: Apple Inc.

    CPC classification number: G11B27/007 G11B27/034 G11B27/19 G11B27/34 H04N5/76

    Abstract: Techniques and devices for creating an AutoLoop output video include identifying optimal loops within short videos or within a series of image. The AutoLoop output video may be automatically created using casually shot, handheld videos, and may include an AutoLoop pipeline that may comprise obtaining an input video, stabilizing the input video, detecting optimal loop parameters and baking out the AutoLoop output video with crossfade and playing back the AutoLoop output video. Video stabilization can include a cascade of video stabilization algorithms including a tripod-direct mode and a tripod-sequential mode. After stabilization, an AutoLoop operation may determine optimal loop parameters. Once optimal loop parameters are determined, a crossfade may be added to smooth out any temporal and spatial discontinuities in the AutoLoop output video.

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