Is there a way to eliminate this conversion artifact?

[shreedhar (Shreedhar Inamdar)]

It looks like Demosaicing artifact. Have a look at

Diagonal interpolation correction artifacts with AMaZE Demosaicing

Hi everyone, I am new here and was referred by Sandy McGuffog from the thread I posted over at the luminous-landscape forums. In that thread I describe in great detail my observations about how different demosaicing algorithms render detail and the issues I observe with each. To summarise: Overall I find AMaZE to give me the best quality, but it is plagued with artifacts that appear like 45-degree diagonal ‘ringing’, and it was Sandy that turned me on to the term ‘diagonal interpolation correct…