By using the semi-fragilities of the feature vector and the watermark, the proposed authentication scheme is robust to content-preserved processing, while being fragile to malicious attacks.
As the literature review indicates, though the road networks are resilient to random or natural failures, they are highly fragile to targeted attacks; that is why, we refer to it as Achilles-heel phenomenon.
The proposed model is found to be robust to common content preserving attacks while fragile to content altering attacks.
It can be seen that both DM and DC-DM are very fragile to constant change attack.
Shouting "A dead whale or a stove boat!," otherwise ordinary men set out in fragile cedar rowboats to attack by hand a 10-ton mammal whose jaw or flukes could easily destroy them.
Robust watermarks are strongly resistant to attacks, whereas fragile watermarks are supposed to crumble under any attempt at tampering.
This method is also fragile to the rotation, but can discriminate JPEG compression from malicious attacks.
It looks very fragile to me.
We are too fragile to tell.
Those doors were fragile to start with.
