Azizah Abd Manaf

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Segmentation of human faces from still images is a research field of rapidly increasing interest. Although the field encounters several challenges, this paper seeks to present a novel face segmentation and facial feature extraction algorithm for gray intensity images (each containing a single face object). Face location and extraction must first be(More)
While using internet for proposing online services is increasing every day, security threats in the web also increased dramatically. One of the most serious and dangerous web application vulnerabilities is SQL injection. SQL injection attack took place by inserting a portion of malicious SQL query through a non-validated input from the user into the(More)
The authentications of digital images have become the center of attentions for certain group of companies since the number of doctored images increased. Tampering the digital images in a way that it's impossible to be detected by naked eyes has become easier with development of image editing tools. Digital watermarking can preserve the authentication of(More)
The integrity and authenticity of digital images have become more important in past few years with the fast improvement of digital technologies. The integrity of digital images can be achieved by using digital watermarking. In this paper we proposed an efficient image tamper detection method using 3 LSB (last significant bit) watermarking technique. In the(More)
The importance of text summarization grows rapidly as the amount of information increases exponentially. In this paper, we present new method for Persian Text Summarization based on fractal theory. The main goal of this method is using hierarchical structure of document and improves that for Persian language. The result shows that our method improves(More)