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FIGURE 7. Photographs of disassembled (end view) (A) and assembled (side view) (B) phantom (Deluxe Jaszczak Phantom; Data Spectrum Corp.), used for evaluation of overall performance of tomographic imaging systems. This fillable acrylic phantom is 22 cm in diameter by 19 cm in length and includes plain section for evaluation of tomographic uniformity (C), section containing empty (cold) spheres ranging from 9.5 to 31.8 mm in diameter for evaluation of cold-sphere contrast (D), and section containing solid (cold) rods ranging from 3.2 to 11.1 mm in diameter for evaluation of reconstructed spatial resolution (E). Images in C–E have been analytically corrected for attenuation. (Courtesy of Data Spectrum Corp.)
