—In this paper, our aim is to compare for the different wavelet-based image compression technique... more —In this paper, our aim is to compare for the different wavelet-based image compression techniques. The effects of different wavelet functions filter orders, number of decompositions, image contents and compression ratios were examined. The results of the above techniques WDR, ASWDR, STW, SPIHT, EZW etc., were compared by using the parameters such as PSNR, MSE BPP values from the reconstructed image. These techniques are successfully tested by four different images.
Wireless mesh network has resolved the limitation of ad hoc networks which is ultimately improves... more Wireless mesh network has resolved the limitation of ad hoc networks which is ultimately improves the performance of Ad hoc networks. Security is a very important issue which can be resolve through proper management of network. The improvement of 802.11i security has greatly improved the network performance and increases the encryption and integrity security issues and threats and their counter measures. Attacks which can come on different layers are being discussed shortly in this paper. Security in wireless mesh network is still under consideration. Wireless mesh network are attracting more attention due to its enhanced features. Wireless mesh network topology and technology is being discussed in this paper. Finally security issues are discussed.
— this paper introduces an Electronic Noticeboard that is based on user-friendly smart technology... more — this paper introduces an Electronic Noticeboard that is based on user-friendly smart technology. The Electronic Noticeboard is controlled via smartphone android app. This Electronic Noticeboard is build and functioned in replace of human effort especially educational campus service to hang important notice digitally without any human existence. Individual account via web based android app for all faculties is facilitated in this system so that faculties can easily post their important messages in the noticeboard. Individual account for students is also facilitated to every student to check up if there is any update notice or not. Special design features is introduced in the Electronic Noticeboard that ensures the total security, added new dimension in electronic noticeboard technology. Performance analysis is shown to evaluate how Electronic Noticeboard is unique. The efficiency of the entire system is established through practical studies. The end result denotes the sustainability, affordability and reliability of the Electronic Noticeboard. This paper also enables the immense possible research scope among educational institutions.
—In this paper, our aim is to compare for the different wavelet-based image compression technique... more —In this paper, our aim is to compare for the different wavelet-based image compression techniques. The effects of different wavelet functions filter orders, number of decompositions, image contents and compression ratios were examined. The results of the above techniques WDR, ASWDR, STW, SPIHT, EZW etc., were compared by using the parameters such as PSNR, MSE BPP values from the reconstructed image. These techniques are successfully tested by four different images.
Wireless mesh network has resolved the limitation of ad hoc networks which is ultimately improves... more Wireless mesh network has resolved the limitation of ad hoc networks which is ultimately improves the performance of Ad hoc networks. Security is a very important issue which can be resolve through proper management of network. The improvement of 802.11i security has greatly improved the network performance and increases the encryption and integrity security issues and threats and their counter measures. Attacks which can come on different layers are being discussed shortly in this paper. Security in wireless mesh network is still under consideration. Wireless mesh network are attracting more attention due to its enhanced features. Wireless mesh network topology and technology is being discussed in this paper. Finally security issues are discussed.
— this paper introduces an Electronic Noticeboard that is based on user-friendly smart technology... more — this paper introduces an Electronic Noticeboard that is based on user-friendly smart technology. The Electronic Noticeboard is controlled via smartphone android app. This Electronic Noticeboard is build and functioned in replace of human effort especially educational campus service to hang important notice digitally without any human existence. Individual account via web based android app for all faculties is facilitated in this system so that faculties can easily post their important messages in the noticeboard. Individual account for students is also facilitated to every student to check up if there is any update notice or not. Special design features is introduced in the Electronic Noticeboard that ensures the total security, added new dimension in electronic noticeboard technology. Performance analysis is shown to evaluate how Electronic Noticeboard is unique. The efficiency of the entire system is established through practical studies. The end result denotes the sustainability, affordability and reliability of the Electronic Noticeboard. This paper also enables the immense possible research scope among educational institutions.
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