: These filters are categorized into various classes (e.g., linear, edge, square) and sizes ( ) to capture different types of manipulation.
: It uses a set of 30 specialized high-pass filters to remove the image content and leave behind only the "noise residuals". Download srm (111) jpg
: SRM calculates the relationship between neighboring noise pixels (4-dimensional co-occurrences), resulting in a high-dimensional "feature vector" that acts as a fingerprint for the image's authenticity. : These filters are categorized into various classes (e