1. Kevles BH. Naked to the bone, medical imaging in the twentieth century. New Brunswick, NJ: Rutgers University Press; 1997.
2. Gonzalez R, Woods R. Digital image processing. 3rd ed. Upper Saddle River, NJ: Prentice-Hall; 2008.
3. Braunstein EM, Capek P, Buckwalter K, Bland P, Meyer CR. Adaptive histogram equalization in digital radiography of destructive skeletal lesions. Radiology. 1988;166(3):883–5.
4. Pizer SM, Amburn EP, Austin JD, Cromartie R, Geselowitz A, Greer T, ter Haar Romeny B, Zimmerman JB, Zuiderveld K. Adaptive histogram equalization and its variations. Comput Vis Graph Image Process. 1987;39(3):355–68.
5. Reza AM. Realization of the Contrast Limited Adaptive Histogram Equalization (CLAHE) for real-time image enhancement. J VLSI Signal Process Syst. 2004;38(1):35–44.