Main Article Content
Abstract
Noise may induce into the image due to interference of natural phenomenon, data acquisition problems, imperfect instruments, compression and transmissions. Removing of noise from an image is very necessary before it is analyzed .digital images are used in television, satellites, magnetic resonance imaging astronomy, graphical information system etc.
Because noise removal tool introduces defeat such as image blurring de-noising remains a field of research.different Techniques for noise reduction or de-noising is explained in this paper. The figure1 shows an example of denoised image.