This is a matlab implementation of the forgery detection method described in:

Nan Zhu and Zhao Li Blind image splicing detection via noise level function, Signal Processing: Image Communication, 2018.

The noise level implementation is the one provided by the authors in:

Xinhao Liu, Masayuki Tanaka and Masatoshi Okutomi Noise Level Estimation Using Weak Textured Patches of a Single Noisy Image IEEE International Conference on Image Processing (ICIP), 2012.

Xinhao Liu, Masayuki Tanaka and Masatoshi Okutomi Single-Image Noise Level Estimation for Blind Denoising Noisy Image IEEE Transactions on Image Processing, Vol.22, No.12, pp.5226-5237, December, 2013.

The main code of the forgery detection method is analyze.m

A demonstration example is provided in demo.m