Minimizing embedding impact in steganography using trellis-coded quantization. - Tomás Filler; Jan Judas; Jessica J. Fridrich (Media Forensics and Security, 2010)

Minimizing Additive Distortion in Steganography Using Syndrome-Trellis Codes. - Tomás Filler; Jan Judas; Jessica J. Fridrich (IEEE Trans. Inf. Forensics Secur., 2011)