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CONTRAST TO NOISE RATIO (CNR)

Physics

CONTRAST TO NOISE RATIO (CNR)

1. Widely used in digital systems.

2. Takes the image receptor into account.

3. Consider the CNR between two tissues, A and B: (where PV = pixel value and is proportional to X-ray intensity).


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REFERENCES

1. Bushberg, J. T. (2012). The essential physics of medical imaging. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins. Find it at Amazon
2. Heggie, J. C., Liddell, N. A., & Maher, K. P. (1997). Applied imaging technology. Melbourne: St. Vincents Hospital.

Ⓒ A. Manickam 2018

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