Title :
Detection of Double-Compression in JPEG2000 Images
Author :
Zhang, Jing ; Wang, Haiying ; Su, Yuting
Author_Institution :
Sch. of Electron. Inf. Eng., Tianjin Univ., Tianjin, China
Abstract :
Double image compression might occur if the image has been tampered with or embedded into secret data. It is essential to detect double compression for image forensics and blind steganalysis. This paper analyzes the statistical difference in the sub-band DWT (discrete wavelet transform) coefficient histograms between single and double JPEG 2000 compression; devises a scheme to discriminate between them. The experiments demonstrate that the proposed approach can achieve an effective and accurate detection for double JPEG 2000 compression.
Keywords :
data compression; discrete wavelet transforms; image coding; JPEG2000 images; blind steganalysis; discrete wavelet transform; double-compression detection; image compression; image forensics; statistical analysis; Discrete cosine transforms; Discrete wavelet transforms; Forensics; Histograms; Image coding; Q factor; Quantization; Statistics; Steganography; Transform coding; JPEG 2000; blind steganalysis; double compression; image forensics;
Conference_Titel :
Intelligent Information Technology Application, 2008. IITA '08. Second International Symposium on
Conference_Location :
Shanghai
Print_ISBN :
978-0-7695-3497-8
DOI :
10.1109/IITA.2008.83
