ireland01 said:I have seen what looks like Newtons rings interference pattern in transverse CT images of 2 solid water block on
top of each other. My understanding is that Newtons rings occur in visible light eg photography or scanners. Can anyone shed some light on this? :)
Yes, Newton rings can be seen in CT (xray) images. However, they may be difficult to distinguish from other artifacts or structures in the image.
Newton rings are concentric rings of light and dark areas that form when two flat surfaces with different curvatures are pressed together. In CT images, they can be caused by the contact between the x-ray detector and the patient's skin.
No, Newton rings are not a common occurrence in CT images. They are more likely to occur in older CT machines with less advanced technology.
Newton rings can affect the accuracy of the CT image by creating artifacts that may obscure or distort other structures in the image. However, with modern technology and advanced image processing techniques, their impact can be minimized.
To prevent Newton rings in CT images, the patient's skin should be clean and free of any oils or lotions before the scan. The CT machine should also be regularly maintained and calibrated to ensure optimal image quality and reduce the occurrence of artifacts.