A Framework of Secured Embedding Scheme Using Vector Discrete Wavelet Transformation and Lagrange Interpolation

Table 2

Quality measures of the proposed methodology.

Cover image	Secret information	PSNR	CT of embedding process	CT of recovering process	NC
Image 1	Handwritten document	50.92	15.2101	1.1388	0.9988
Image 2	Logo image	52.34	11.7781	0.9516	0.9989
Image 3	Handwritten document	53.41	17.8161	1.1238	0.9990
Image 4	Logo image	51.46	16.7061	1.2214	0.9994

CT: computational time; N_C: normalized correlation.