Figure 1.
Block Diagram of HEVC [2].
Figure 2.
The Proposed Watermarking scheme for HEVC.
Table 1.
Watermark embedding Algorithm.
Table 2.
Watermark Extraction Algorithm.
Table 3.
Sample video sequences used to evaluate the performance of proposed watermarking scheme.
Figure 3.
The Racehorses video sequence.
(a) Uncompressed video frame, (b) non-watermarked video frames at QP 18, (c) non-watermarked video frames at QP 32, (d) watermarked video frames at QP 18, (e) watermarked video frames at QP 32, (f) the QP 18 difference image (b – d), (g) the QP 32 difference image (c – e), (h) histogram QP 18 difference image (f), and (i) histogram of QP 32 difference image (g).
Table 4.
Comparison of PSNR at QP 18 and 32 for watermarked and original video sequences.
Table 5.
Comparison of Payload and Bitrates at QP 18 and 32 for all video sequences.
Figure 4.
Comparison of Bitrates for watermarked and original video sequences.
(a) QP 18 and (b) QP 32.
Figure 5.
Comparison at whole range of QP for BQMall sequence.
(a) PSNR, (b) Frame size and (c) Payload.
Table 6.
Comparison of PSNR, Frame Size and Payload at different range of QP for watermarked and original BQMall video sequence.