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EJNMMI Physics
Fig. 4 | EJNMMI Physics

Fig. 4

From: Accurate molecular imaging of small animals taking into account animal models, handling, anaesthesia, quality control and imaging system performance

Fig. 4

Principles of pinhole collimation with b representing the distance between the object and the pinhole opening and t representing the distance between the pinhole opening and the gamma detector. d e denotes the effective diameter of the pinhole opening accounting for penetration of gamma rays through the edges of the pinhole aperture

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