The 10 Annual International Conference on Computer Science and Education in Computer Science, July 04-07 2014, Albena, Bulgaria COMPUTER-ASSISTED PSEUDO-COLORING METHOD OF LUNG X-RAYS Dessislava Valentinova GEORGIEVA, Vesselin Evgueniev GUEORGUIEV Abstract: The purpose of computer-assisted methods is to subserve the diagnosing process through the presentation of information in the images more accessible and more informative form. For this purpose, methods have been developed that take into account the peculiarities of the human visual system to perceive more easily information in color. The article described a new method for the pseudo coloring of chest X- ray images in order to more easily diagnose seals in the lung. Keywords: X-ray imaging, pseudo coloring, computer-assisted method. ACM Classification Keywords: medical imaging, computer-assisted methods, X-ray post-processing, pseudo-coloring