Flaw detection in welds through X ray images processing

The X-ray inspection of welds is a tedious and long work. Indeed, in order to declare the good quality of a weld, it is necessary to detect all the defects. No small cracks must be seen on the film by an experienced radiographer, who can use a magnifying glass, if it is necessary. In the other hand, as the inspection is a step in the manufacturing process, its duration has to be as short as possible. It is the main reason, for which this study has been done