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The existing Internet Protocol Television (IPTV) uses non-Unicode characters, hence the characters from many regional languages are not displayed correctly. We present a new localization framework with Unicode characters for IPTV. Here, we concentrated mainly on Online News Reading using IPTV, but this is extendable for other purposes. The language we focused was “Sinhala” which is used by most of...
This paper, deals with an Adaptive based Switching Bilateral Filter for removing universal noise in highly corrupted image. In contrast with the previous approach where blurring occurs while filtering the entire image without considering the uncorrupted pixels, which is reduced here by using Adaptive Median Filter with binary vector (BV). Operation carries in three stages. At first an Adaptive Median...
In this paper, we present an automated, adaptive image denoising method for removal of Rician noise from MRI images. The proposed method is based on the discretized total variation (TV) minimization model and the local noise estimation technique. The regularization parameter of the TV-based denoising method is adapted based on the standard deviation of noise in MRI image. The performance of the proposed...
Data security in wireless sensor networks include data authenticity, data confidentiality and data availability. Providing desirable data security in wireless sensor networks is a challenging one since wireless sensor networks consists of large number of sensor nodes that are generally placed in hostile or unattended environments which may be exposed to several attacks. Attacks due to node compromise...
In this paper we have proposed an approach for building extraction from very high resolution (VHR) multispectral images using NDVI (Normalized Difference Vegetation Index) based segmentation and morphological operations. This approach uses both spatial and spectral properties of an image scene for building detection. Spectral properties are related to NDVI based segmentation and spatial properties...
The Electrocardiogram (ECG) shows the electrical activity of the heart and is used by physicians to inspect the heart's condition. Analysis of ECG becomes difficult if noise is embedded with signal during acquisition. In this paper, a denoising technique for ECG signals based on Empirical Mode Decomposition (EMD) is proposed. The noisy ECG signal is initially decomposed into a set of Intrinsic Mode...
The Blood vessels of the human body can be visualized using many medical imaging methods such as X-ray, Computed Tomography (CT), and Magnetic Resonance (MR). In medical image processing, blood vessels need to be extracted clearly and properly from a noisy background, drift image intensity, and low contrast pose. Angiography is a procedure widely used for the observation of the blood vessels in medical...
The spread of various types of malicious activities like unsolicited commercial e-mail (UCE) or unsolicited bulk e-mail (UBE) also called as SPAM has been the most imminent menace to the today's Internet world. These activities bring financial crisis to companies and annoying to most users because it clutters the users mailboxes and steal their valuable information for its financial gain. Now a day's...
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