Research Article

Evaluation of a Nonrigid Motion Compensation Technique Based on Spatiotemporal Features for Small Lesion Detection in Breast MRI

Table 1

Motion compensation parameters for two or three directions. 𝜎 represents the standard deviation for presmoothing and 𝛼 the regularization parameter.

01No motion compensation
023 directions, 𝜎 = 1 , 𝛼 = 1 0 0
033 directions, 𝜎 = 1 , 𝛼 = 5 0 0
043 directions,   𝜎 = 3 , 𝛼 = 1 0 0
053 directions, 𝜎 = 1 3 , 𝛼 = 5 0 0
062 directions, 𝜎 = 1 , 𝛼 = 1 0 0
072 directions, 𝜎 = 1 , 𝛼 = 5 0 0
082 directions, 𝜎 = 3 , 𝛼 = 1 0 0
092 directions, 𝜎 = 1 3 , 𝛼 = 5 0 0