Medical Imaging, Artificial Intelligence, Data Labeling, Machine Learning.
Say you were interested in visualizing the bone structures in a CT scan, if you were to map the HU (let’s say ranging from [0, 1800]) to 256 grayscale values, one shade of gray would have resolution of 1800/256 ~ 7 HU. Alternatively, we can map only values between [500, 1900] to 256 grayscale