公开(公告)号：US10777229B2

公开(公告)日：2020-09-15

申请号：US16505046

申请日：2019-07-08

Applicant: Google LLC

Inventor： Weilong Yang ,  Min-hsuan Tsai ,  Zheng Sun ,  Pei Cao ,  Tomas Izo

IPC: G11B27/034 ,  G11B27/031 ,  G11B27/28 ,  G11B27/32 ,  H04N21/234 ,  H04N21/8549 ,  H04N17/00 ,  H04N5/225 ,  G06T7/20 ,  G06T7/00 ,  G06F16/73 ,  G06F40/169 ,  G06K9/00 ,  G06F16/738 ,  G11B27/10

Abstract: Frame-level quality scores for video frames of a video item is determined. A sliding window is applied to the video frames to identify a plurality of groups of the video frames for scoring on a group-level. A plurality of group-level quality scores for the plurality of groups of video frames of the video item is determined using the frame-level quality scores of the video frames. One of the plurality of groups of video frames of the video item is selected based on the plurality of group-level quality scores. A moving thumbnail is created using the selected group of video frames selected based on the respective group level quality score.

公开(公告)号：US20190333538A1

公开(公告)日：2019-10-31

申请号：US16505046

申请日：2019-07-08

Applicant: Google LLC

Inventor： Weilong Yang ,  Min-hsuan Tsai ,  Zheng Sun ,  Pei Cao ,  Tomas Izo

IPC: G11B27/034 ,  H04N17/00 ,  G11B27/28 ,  G11B27/32 ,  H04N21/234 ,  G06F16/738 ,  H04N21/8549 ,  G06T7/00 ,  G11B27/031 ,  G11B27/10 ,  G06T7/20

Abstract: Frame-level quality scores for video frames of a video item is determined. A sliding window is applied to the video frames to identify a plurality of groups of the video frames for scoring on a group-level. A plurality of group-level quality scores for the plurality of groups of video frames of the video item is determined using the frame-level quality scores of the video frames. One of the plurality of groups of video frames of the video item is selected based on the plurality of group-level quality scores. A moving thumbnail is created using the selected group of video frames selected based on the respective group level quality score.