Mehdi Hussain

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Images has very significant role in digital media. However, generally digital imaging generates large amounts of data it need to be compressed, without loss of relevant information or simply lossless compression. This paper presents a novel lossless image compression technique in spatial domain. The proposed algorithm divide the image into no. of blocks(More)
Steganography is the science of hiding a message signal to host signal, without any distortion in the hosted signal. Using steganography, information can be hidden in hosted carrier such as images, videos, sounds files, text files, and data transmission. In image steganography, to improve the capacity of hidden data into hosted image without causing any(More)
Covert channel is secret communication path, which existence is not expected in original system of design. It allows different users access to the same information, at the same time, but from different points-of-view. It is being more and more studying due to the grooming of internet. Always high-bandwidth network covert channel pose the significant risk of(More)
Mehdi Hussain 1,2, Ainuddin Wahid Abdul Wahab 1,*, Noman Javed 3 and Ki-Hyun Jung 4,* 1 Department of Computer System & Technology, Faculty of Computer Science & Information Technology, University of Malaya, 50603 Kuala Lumpur, Malaysia; 2 School of Electrical Engineering and Computer Science, National University of Science and(More)
Voice over IP “VoIP” is a form of voice speech that uses data networks, for transmission of voice traffic over IP-based networks to transmit voice signals. The signal is correctly encoded at one end of the communication channel, sent as packets through the data network, then decoded at the receiving end and transformed back into a voice(More)
Video Steganography is a new research area which is playing an important role in information hiding criteria. Nowadays security of confidential information is major issue over the internet. To protect the secret information from cyber criminals like attackers, hackers and data thefts, a secure and standardized methodology is used that is known as(More)
Steganography is a process of hiding secret information's like image, video, audio, and text message in a carrier's like image, video, and audio. Proposed method uses the secret information as a text message which is embedded in a color image. The existing methods hide the information using constant bit length in integer wavelet coefficients. This(More)
Steganography word is making from two words: one is Steganos that means "covered or secret" and second is the graphic that means "writing". Similarly Cryptography word is also making from two words: one is Crypto that means "Alter original word Meaning" and second is the graphic that means "writing". In this work,(More)