Phantoms

Figure

Homogeneous structure

Free-in-air

1(a)

Small water sphere

1(b)

Water cube

1(c)

Spherical QA phantom^*

1(d)

Inhomogeneous structure

Resolution QA phantom^*

2(a)

Bowl with fresh corn

2(b)

Wet sponge

2(c)

Pack of 6 wet sponges

2(d)