Asif Bashir Dar | Shri Mata Vaishno Devi University (original) (raw)
Address: jand k, India
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The user has requested enhancement of the downloaded file. All in-text references underlined in b... more The user has requested enhancement of the downloaded file. All in-text references underlined in blue are linked to publications on ResearchGate, letting you access and read them immediately. Abstract: Watermarking is the process of embedding data called a watermark into a multimedia object such that watermark can be detected or extracted later to make an assertion about the object. The multimedia object may be an audio, image or video. The aim may be to provide data authentication, data integrity, copyright and so on, depending upon the need. Watermarking can be done either in spatial domain or in frequency domain, the latter one proves to be more efficient than working in the spatial domain. Working with the watermarking in frequency domain requires transformation tools and in this paper we will discuss these various techniques giving more stress on wavelet transforms.
— The aim of the present work is to demonstrate the concept of a packet-interleaved WDM system i.... more — The aim of the present work is to demonstrate the concept of a packet-interleaved WDM system i.e; hybrid optical access network, which serve as the important candidate of next generation access networks. The entire network topology design was simulated in the OPTIWAVE development environment, consisting of transmitter, channel and receiver section. Each section is elaborated, while the analysis of measured values from topology is presented in the last part of the article.
The user has requested enhancement of the downloaded file. All in-text references underlined in b... more The user has requested enhancement of the downloaded file. All in-text references underlined in blue are linked to publications on ResearchGate, letting you access and read them immediately. Abstract: Watermarking is the process of embedding data called a watermark into a multimedia object such that watermark can be detected or extracted later to make an assertion about the object. The multimedia object may be an audio, image or video. The aim may be to provide data authentication, data integrity, copyright and so on, depending upon the need. Watermarking can be done either in spatial domain or in frequency domain, the latter one proves to be more efficient than working in the spatial domain. Working with the watermarking in frequency domain requires transformation tools and in this paper we will discuss these various techniques giving more stress on wavelet transforms.
— The aim of the present work is to demonstrate the concept of a packet-interleaved WDM system i.... more — The aim of the present work is to demonstrate the concept of a packet-interleaved WDM system i.e; hybrid optical access network, which serve as the important candidate of next generation access networks. The entire network topology design was simulated in the OPTIWAVE development environment, consisting of transmitter, channel and receiver section. Each section is elaborated, while the analysis of measured values from topology is presented in the last part of the article.