ENCRIPTION METHOD AND SYSTEM FOR COMPRESSED VIDEO

The present invention provides a method for encrypting a compressed video, which comprises the following steps: obtaining an input frame from a video to be compressed or a compressed video which is partially released; and selectively encrypting the input frame based on a prediction mode of each of a...

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Bibliographic Details
Main Authors LEE, CHUL HUI, YI, KANG, JOO, JEONG HYUN
Format Patent
LanguageEnglish
Korean
Published 11.03.2016
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:The present invention provides a method for encrypting a compressed video, which comprises the following steps: obtaining an input frame from a video to be compressed or a compressed video which is partially released; and selectively encrypting the input frame based on a prediction mode of each of a plurality of macroblocks included in the input frame. 압축 영상의 암호화 방법은 압축될 영상 또는 부분 해제된 압축 영상으로부터 입력 프레임을 획득하는 단계; 및 상기 입력 프레임에 포함되는 복수의 매크로블록들 각각의 예측 모드에 기초하여 상기 입력 프레임을 선택적으로 암호화하는 단계를 포함한다.
Bibliography:Application Number: KR20140167630