Samsung Electronics Co., Ltd.

Hwan Joon Kim

Mi Suk Huh

Dae Youb Kim

Sung Min Kim

Chee Sun Won

Won Hyung Lee

Kil Sang Yoo

A video watermarking apparatus and method are provided, including an information provider for providing spatial domain segmentation information of an image with respect to a compressed video, a grouping unit for grouping the compressed video, based on the spatial domain segmentation information, and generating a grouped spatial domain, an extraction domain selector for selecting an extraction domain for extracting a watermark from the grouped spatial domain, and a watermark extractor for extracting a watermark bit inserted in the extraction domain.

Video watermarking apparatus in compression domain and method using the same

A video fingerprint insertion apparatus is provided. A frequency domain selection unit selects a frequency domain into which a fingerprint is inserted, from frequency domains of a video; a fingerprint insertion position determination unit determines a position where the fingerprint is to be inserted, based on a fingerprint insertion determination value in the selected frequency domain; and a fingerprint insertion unit inserts a fingerprint bit stream whose insertion strength is controlled, to the position where the fingerprint is to be inserted.

Video fingerprinting apparatus in frequency domain and method using the same

Growing community of inventors

Yongin-si, South Korea

Hwan Joon Kim