The experimental results demonstrate that these algoˉrithms can locate the tampered area and detect the"collage-attack"to the watermarked image.

It is showed by experiments results that the proposed algorithm can detect any change made to an image, including the change in pixel values and image size, and can detect the "collage-attack" and the "substitution-attack" based on Hash collision.

The Utopia thought in collage city;

Collage and Pastiche——On the Parody Techniques in Ulysses;

The Pastiche in the novel contains picture pastiche and word pastiche,so narrating is fragmentary.

This paper mainly demonstrates the three typical postmodern features reflected in White Noise,namely parody,blurring of life and fiction,and pastiche that well suits the author\'s postmodern concern.

Relationship Between Rorschach Aggression Variables and Explicit Hostility;

Rorschach Aggression Variables:A Study of Reliability and Validity;

Correlation between Personality and Rorschach Aggression Variables;

The prevention technology for ARP virus attack;

Prevention of attack on overflowing loopholes in buffer of Linux system;

This paper deeply analyses the principle and possiblility of buffer overflow attacking,and buffer overflow s potential dangers according to program code with buffer overflow.

This paper briefly introduces the general outline of the Okamato E cash scheme and one attacking method against this scheme,discusses the attacking principles and provides some mends and reinforcements for the Okamato E cash schem

This paper, based on the theory of IPv6, analyzes the security problem of IPv6 and a couple of classic attacking methods and briefly describes the research on information security.