Imaging methods are progressing in a rapidly manner, but the problem which we, as the health providers always encounter with, is the expensive costs of different devices and our limited budget to provide them. Conventional radiographies are still keeping their role in our diagnostic approach to the patients. The quality of radiography images has been improved considerably compared to its beginning. However it's still necessary to enhance the available quality. Due to limited resources, it's not possible to provide new equipments or to renovate the existing ones. Image enhancement techniques...