There are quite a number of researches in propOSll1g digital image watermarking using Discrete Wavelet Transform (DWT). However, it is clearly observed that each of them is individually distinctive in terms of its scopes and applications [1][2][3]. The proposed system was thoroughly explained in this chapter. This includes general work flow, propos

Aim of the present study was to explore antibacterial potential of the leaves of Cycas rumphii Miq. The leaves were separately macerated with methanol and double distilled water at room temperature to obtain methanol and aqueous (AQ) extracts. The methanol extract was further successively extracted with light petroleum ether (LPE), benzene (BZ), et

Abstract. During EDM work surface roughness can be influenced by using powder compacted electrodes. The present study shows that surface roughness of workpiece is higher when using TaC/Cu green compacted electrode compared to that produced by pure copper electrode. When using TaC/Cu green compacted electrode, more material is deposited on the workp

Abstract. Tool life sharply reduced for all the carbide tools while increasing cutting speed twice (from 500m/min to 1000m/min) during machining cast iron. Though the productivity would be double at the speed of 1000m/min than that at the speed of 500m/min, tool wear increases to a few times which indicates that the inserts used are not suitable fo

Abstract. The fundamental features of electrical discharge machining (EDM) were discussed in this chapter. The machining principle and its outcomes were highlighted in this chapter. The input variable of EDM presented here are electrical and non-electrical ones. The output of EDM process are given in terms of the material removal rate (MRR), tool w

Abstract. In this chapter the influence of spindle speed and feed rate on electrode wear rate has been described during EDM with an eccentric electrode. It was found that both spindle speed and feed rate causes increase in electrode wear rate.

The field of speech synthesis or Text-To-Speech has rapidly expanded during last few years due to the wide range of applications that require human-machine interaction. Arabic language, the fourth most spoken language on the globe, has received the attention of the researchers in development of an intelligible and close to natural Text-To-Speech sy

Most surveillance systems today provide only a passive form of site monitoring. Extensive video records may be kept to help find the instigator of criminal activities after the crime has been committed but preventive measures usually require human involvement. In addition to this, there is a need for large amounts of data storage to keep up to seve

Digital watermarking is a huge research area which is progressively growing. It covers theoretical studies. novel techniques, attacks and performance analysis. Over the years, the digital watermarking community has focused on developing new techniques for watermark embedding and detection. Analysis of these techniques leads to methods for attacks a

Moving Picture Coding Exports Group (MPEG) refers to a whole family of international standards for compression of audio-visual digital data. The most well known are MPEG series which are also formally known as ISO/IEC-13818 and ISO/IEC-14496 [ISO/IEC,2007]. The most important aspects are summarized as follows: The MPEG- I standard was published 199