Title	An Efficient Secure Protocol for Wireless Sensor Networks Based on Hybrid Approach
Author	Irshad Ullah, Noor ul Amin, Jawaid Iqbal, Muhammad Shahid and Farman Ali
Citation	Vol. 18  No. 6  pp. 59-67
Keywords	Security, Advance Encryption Standard (AES), Wireless Sensor Network (WSN), Hyper Elliptic Curve Cryptography (HECC), Communication and computational cost.

Title	C-RLE: Energy efficient compression approach for Wireless Sensor Networks
Author	Marwen Roukhami, Younes Lahbib, Abdelkader Mami
Citation	Vol. 18  No. 6  pp. 49-58
Keywords	Wireless sensor networks (WSNs), low power data compression, energy efficiency, hardware design FPGA, Cortex-M3 STM32L1.

Title	Microaneurysms, Haemorrhages and Exudates based Diabetic Retinopathy: Automatic Early Detection Systems and the State of the Art
Author	Khaled A. Almejalli
Citation	Vol. 18  No. 6  pp. 43-48
Keywords	Diabetic Retinopathy, Microaneurysm, Early Detection, Fundus Images, Exudate, Haemorrhage.

Title	Measurement of Contribution Rate of Energy Saving and Emission Reduction in China's Scientific and Technological Innovation
Author	Wang Huishuo and Zhou Zhitian
Citation	Vol. 18  No. 6  pp. 37-42
Keywords	Technological innovation，Energy conservation，Contribution rate