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Robust Digital Image Watermarking Technique in DWT domain based on HVS and BPNN
B.Jagadeesh [email protected] Professor E.C.E.Department G.V.P.College of Engineering (Autonomous) Visakhapatnam, AP, India.
P.Rajesh Kumar [email protected], E.C.E.Department Andhra University Visakhapatnam, AP, India.
P.Chenna Reddy [email protected], C.S.E.Department JNTUA College of Engineering, Pulivendula Kadapa, AP, India.
Abstract
Keywords:
1. INTRODUCTION
2. PRELIMINARIES
2.1 Discrete Wavelet Transformation (DWT)
FIGURE 1:
2.2 Back Propagation Neural Network (BPNN)
FIGURE 2:
3. THE PROPOSED METHOD
3.1 Watermark Embedding
3.2 Watermark Extraction
’
4. EXPERIMENTAL RESULTS
FIGURE 3:
FIGURE 4:
FIGURE 5:
Type of Attack
Qiao Baoming et al. [16] method
Proposed method
PSNR in dB NCC
PSNR in dB NCC
TABLE 1:
Type of Attack
Qiao Baoming et al.[16] method
Proposed method
PSNR in dB NCC
PSNR in dB
NCC
TABLE 2:
Type of Attack
Qiao Baoming et al. [16] method Proposed method
PSNR in dB NCC PSNR in dB
NCC
TABLE 3:
Type of attack
Watermarked image Type
Lena Peppers Mandrill
TABLE 4:
0
10
20
30
40
50
60
Lena Peppers Mandrill
PSN
R
Type of Image
Qiao Baoming et al. [16 ] Proposed
FIGURE 6:
FIGURE 7:
FIGURE 8:
FIGURE 9:
5. CONCLUSIONS
6. REFERENCES