With the advantage of image frequency domain transformation, high-frequency features can capture detailed information such as edges and textures of the image, while low-frequency features depict the ...

HELSINKI, March 4 (Reuters) - The frequency of cable incidents in the Baltic Sea has been "exceptional" in recent years, but state actors have more effective ways of performing underwater sabotage ...

Abstract: Radio frequency (RF) fingerprint identification (RFFI) technology uniquely identifies emitters by analyzing unique distortions in the transmitted signal caused by nonideal hardware. Recently ...