公开(公告)号：US10341665B2

公开(公告)日：2019-07-02

申请号：US15486074

申请日：2017-04-12

申请人： Hyunseong Bae ,  Youngju Heo ,  Sungjin Lee

发明人： Hyunseong Bae ,  Youngju Heo ,  Sungjin Lee

IPC分类号： G06K9/36 ,  H04N19/159 ,  H04N19/172 ,  H04N19/46 ,  H04N19/70 ,  H04N19/573

摘要： The invention generally relates to a method of providing random access for video data in which a P-frame of the video data is configured to be random accessible in addition to I-frames. More specifically, the invention relates to a method of providing random access for video data in which a P-frame is configured to be random accessible based on a random access reference frame which is provided via a separate channel such as header area of video data packets or a metadata file, whereby the random access for video data may be effectively provided with overcoming the conventional video random access technology depending on the I-frame only. The invention makes it possible to configure a P-frame random accessible simply by accompanying a random access reference frame of small datasize, whereby video compression ratio may be improved due to smaller numbers of I-frames being included in video data than conventional arts.

公开(公告)号：US20180131942A1

公开(公告)日：2018-05-10

申请号：US15486074

申请日：2017-04-12

申请人： Hyunseong BAE ,  Youngju HEO ,  Sungjin LEE

发明人： Hyunseong BAE ,  Youngju HEO ,  Sungjin LEE

IPC分类号： H04N19/159 ,  H04N19/46 ,  H04N19/172

CPC分类号： H04N19/159 ,  H04N19/172 ,  H04N19/46 ,  H04N19/573 ,  H04N19/70

摘要： The invention generally relates to a method of providing random access for video data in which a P-frame of the video data is configured to be random accessible in addition to I-frames. More specifically, the invention relates to a method of providing random access for video data in which a P-frame is configured to be random accessible based on a random access reference frame which is provided via a separate channel such as header area of video data packets or a metadata file, whereby the random access for video data may be effectively provided with overcoming the conventional video random access technology depending on the I-frame only. The invention makes it possible to configure a P-frame random accessible simply by accompanying a random access reference frame of small datasize, whereby video compression ratio may be improved due to smaller numbers of I-frames being included in video data than conventional arts.