Which of the following techniques is commonly used for image authentication in forensic analysis?
A. Steganography
B. Geometric transformation
C. Image filtering
D. Histogram analysis
Answer:A
Which of the following techniques is commonly used for image authentication in forensic analysis?
A. Steganography B. Geometric transformation C. Image filtering D. Histogram analysis
Explanation: a) is correct because steganography is a technique commonly used for image authentication in forensic analysis. It involves hiding information or data within an image, which can be used for various purposes, such as watermarking, verifying image integrity, or detecting tampering.