Performance improvement of IWT BPCS image Steganography

摘要

Steganography is the technique of embedding secret data into a cover medium which may be a video, audio or image. So it covers the presence of the hidden communication. BPCS image steganography is a scheme with high payload capacity and it has higher invisibility against visual attacks. Image steganography in frequency domain provides high robustness against statistical attacks. In transform domain Integer wavelet transform is much suitable as compare to DWT because IWT does not have to face fractional loss in transform coefficients. So IWT BPCS image Steganography is a better technique to improve payload capacity and robustness.