公开(公告)号：US10382717B2

公开(公告)日：2019-08-13

申请号：US15347567

申请日：2016-11-09

Applicant: VIVOTEK INC.

Inventor： Chien-Wen Liu ,  Yen-Fu Lin ,  Shih-Wu Fanchiang

IPC: H04N5/915 ,  G11B27/00 ,  G11B27/28 ,  G11B27/36

Abstract: A video file playback system capable of previewing an image, a method thereof, and a computer program product can sequentially compare change amounts between chronological two of frame images, select the frame images, of which the change amounts exceed a preset value, in at least one time interval, and select a frame image, which has a maximum change amount, in the frame images in each time interval as a preview image. By displaying a preview image corresponding to each time interval, a user can quickly browse key images of each time interval.

公开(公告)号：US20170150093A1

公开(公告)日：2017-05-25

申请号：US15347567

申请日：2016-11-09

Applicant: VIVOTEK INC.

Inventor： Chien-Wen Liu ,  Yen-Fu Lin ,  SHIH-WU FANCHIANG

IPC: H04N5/915 ,  G11B27/28 ,  G11B27/00 ,  G11B27/36

CPC classification number: H04N5/915 ,  G11B27/005 ,  G11B27/28 ,  G11B27/36

Abstract: A video file playback system capable of previewing an image, a method thereof, and a computer program product can sequentially compare change amounts between chronological two of frame images, select the frame images, of which the change amounts exceed a preset value, in at least one time interval, and select a frame image, which has a maximum change amount, in the frame images in each time interval as a preview image. By displaying a preview image corresponding to each time interval, a user can quickly browse key images of each time interval.