Coverless Steganography Based on Motion Analysis of Video

Table 2

Number of needed images with the same hidden information.

Size of hidden information	1 B	10 B	100 B	1 kB
Pixel method [6]	1	10	100	1024
Hash method [20]	2	6	46	457
DCT method [22]	2∼9	7∼81	55∼801	548∼8193
DWT method [23]	2∼9	7∼81	55∼801	548∼8193
Proposed method	1	3	25	256