Phantom images with the dotted rectangles as imaging region-of-interest.

Abstract

<p>(a) The NEMA-IQ phantom is about cm in size, including four hot lesions (10 mm, 13 mm, 17 mm and 22 mm in diameter) and two cold lesions (28 mm and 37 mm in diameter). The region-of-interest size is cm. (b) The Zubal abdomen phantom is about cm in size. The region-of-interest size is cm.</p