Crypto-Stego-Real-Time (CSRT) System for Secure Reversible Data Hiding

Table 2

Analysis of various data hiding techniques.

Approach	Imperceptibility	Capacity	Robustness	Time Complexity
Spatial Domain[31]	Medium	High	Low	Low
Frequency Domain[32]	High	Low	High	Low
Spread Spectrum [33]	High	High	Medium	High
Matrix Embedding [34]	High	High	Low	Medium
Difference Expansion[35]	High	High	Low	Low
Optimization Technique [36]	High	Medium	High	High
Histogram Modification [37]	High	Medium	Low	Low