IMAGE ENHANCEMENT USING HYBRID FILTERING TECHNIQUEJournal: International Journal of Science and Research (IJSR) (Vol.2, No. 6)
Publication Date: 2013-06-05
Authors : Versha Rani; Priyanka Kamboj;
Page : 214-220
Keywords : Noise Models; Hybrid Filter; PSNR; MSE;
Digital Image Processing involves the modification of digital data for improving the image qualities with the aid of computer. The processing helps in maximize the clarity, sharpness of image and details of features of interest towards the extraction of information and further analysis. The digital image is given as input into a computer and computer is programmed to change these data with the help of an equation or with series of equations and then store the values of the computation for each pixel or picture element. Noise in the digital image is a basic problem. Noise is defined as unwanted signals. There are different filters to remove single type of noise such as salt and pepper, speckle noise, Gaussian noise etc. But if the image is corrupted by mixed type of noise then these filters not remove the noise exactly, so we design a Hybrid filter which is composite of different filters to remove mixed type of noise from digital image.
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