Title	All-optical Switch and Hard Limiter device using a Twin Defects in Two-dimensional Nonlinear Photonic Crystals
Author	Ali Rostami, Hamed Alipour
Citation	Vol. 6  No. 7  pp. 206-210
Keywords	All-optical switching, Twin Defect layers, Nonlinear Photonic Crystals, Hard Limiter

Title	Watermark Embedded in Polygonal Line for Copyright Protection of Contour Map
Author	Xu Zhou, Yu Ren, Xuezeng Pan
Citation	Vol. 6  No. 7  pp. 202-205
Keywords	Digital watermark, Contour map, Polygonal line, Parameterized circle, Hypothesis test

Title	Learning-based System for Detecting Abnormal Traffic and Host Control
Author	Changwoo Nam, Chanyeol Park, Huhnkuk Lim, Seongjin Ahn, Jinwook Chung
Citation	Vol. 6  No. 7  pp. 196-201
Keywords	Network Management, Network Security, ARP spoofing, Abnormal Traffic, Worm Virus, Worm Detection

Title	JPEG Quantization-Distribution Steganalytic Method Attacking JSteg
Author	Quan Weiwei, Guo Yanqing, Kong Xiangwei
Citation	Vol. 6  No. 7  pp. 192-195
Keywords	DCT, coefficient distribution, JPEG, quantization, steganalysis