Sayantan Mondal

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Background: Chikungunya virus (CHIKV) and dengue viruses (DENV) are both present individually in West Bengal and infection caused by both simultaneously has been recorded since 1965. Objectives: In 2011, a study was carried out to detect co-infection due to both the viruses from 671 blood samples collected from febrile patients attending OPDs and in-patient(More)
We investigate dynamical coupling between water and amino acid side-chain residues in solva-tion dynamics by selecting residues often used as natural probes, namely tryptophan, tyrosine and histidine, located at different positions on protein surface and having various degrees of solvent exposure. Such differently placed residues are found to exhibit(More)
This paper represents a new method to classify human or non-human objects from the image and video sequences. A clear detection is essential for such kind of classification. The difficulties that arise during the classification of human being are clothing, illuminations, poses, shadows and shape variations. If the quality of video is not good enough then(More)
We proposed an efficient method to detect object and the boundary of the object. The object detection is done after the subtraction between background and object with background in gray scale wit threshold, which is generated from the normal distribution curve fitted histogram. In most of the existing methods for binary scale conversion and detection of(More)
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