Pramit Saha

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Boundary roughness of a pulmonary nodule is an important indication of its malignancy. The irregularity of the shape of a nodule is represented in terms of a few diagnostic characteristics such as spiculation, lobulation, and sphericity. Quantitative characterization of these diagnostic characteristics is essential for designing a content-based image(More)
Most of the image acquisition algorithms neglect the illumination problem like shadows and direction of illumination changes as well the image degradation caused by motion blur, noise introduction in several intermediate process. This paper presents a novel method of high resolution image generation by interpolating local gradient field and subsequent(More)
A hybrid system is described that combines the features of two solar technologies – photo-voltaic conversion to electricity (PV) and thermal conversion to heat and finally to electric energy for battery usage. Under the condition of the same output power of photovoltaic system, using low cost superiority of the high concentrator material in place of the(More)
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