Figure 3 | Scientific Reports

Figure 3

From: Quantification of radioactivity by planar gamma-camera images, a promoted method of absorbed dose in the thyroid after iodine-131 treatment

Figure 3

Planar images with different μ values of the same radioactive source (a rat). We tested μ with different values (from 1 to 80) and obtained various results for the images (the μ for default ULWL is 366). A suitable value of μ must satisfy the requirement that the colour display border of the target tissue should be recognized. In this research, a value of 50 for μ was adopted (other values such as 40, 60, and 70 will also be reliable; the key point is that the value of μ should stay the same for all data processing and ROIs defining).

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