Name
Title | ||
|---|---|---|
Bias field inconsistency correction of motion-scattered multislice MRI for improved 3D image reconstruction. |
Abstract | ||
|---|---|---|
A common solution to clinical MR imaging in the presence of large anatomical motion is to use fast multislice 2D studies to reduce slice acquisition time and provide clinically usable slice data. Recently, techniques have been developed which retrospectively correct large scale 3D motion between individual slices allowing the formation of a geometrically correct 3D volume from the multiple slice stacks. One challenge, however, in the final reconstruction process is the possibility of varying intensity bias in the slice data, typically due to the motion of the anatomy relative to imaging coils. As a result, slices which cover the same region of anatomy at different times may exhibit different sensitivity. This bias field inconsistency can induce artifacts in the final 3D reconstruction that can impact both clinical interpretation of key tissue boundaries and the automated analysis of the data. Here we describe a framework to estimate and correct the bias field inconsistency in each slice collectively across all motion corrupted image slices. Experiments using synthetic and clinical data show that the proposed method reduces intensity variability in tissues and improves the distinction between key tissue types. |
Year | DOI | Venue |
|---|---|---|
2011 | 10.1109/TMI.2011.2143724 | IEEE Trans. Med. Imaging |
Keywords | Field | DocType |
key tissue boundaries,bias field inhomogeneity,fetal brain,bias field inconsistency,clinical interpretation,data analysis,multislice mri,clinical mr imaging,3d image reconstruction,image reconstruction,automated data analysis,biomedical mri,3d reconstruction,bias field inconsistency correction,biological tissues,slice acquisition time reduction,motion-scattered multislice mri,medical image processing,image motion analysis,three dimensional,algorithms,imaging,magnetic resonance imaging,bismuth,3d imaging,sensitivity | Mr imaging,Iterative reconstruction,Computer vision,Computer science,Multislice,Artificial intelligence,Bias (Epidemiology),3d image reconstruction,3D reconstruction,Bias field,Magnetic resonance imaging | Journal |
Volume | Issue | ISSN |
30 | 9 | 1558-254X |
Citations | PageRank | References |
6 | 0.57 | 12 |
Authors | ||
9 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| Kio Kim | 1 | 122 | 10.22 |
| Piotr A. Habas | 2 | 429 | 22.70 |
| Vidya Rajagopalan | 3 | 271 | 293.84 |
| Julia Scott | 4 | 18 | 2.02 |
| James M. Corbett-Detig | 5 | 41 | 1.92 |
| François Rousseau | 6 | 346 | 22.15 |
| A. James Barkovich | 7 | 117 | 13.20 |
| Orit A. Glenn | 8 | 124 | 9.68 |
| Colin Studholme | 9 | 1824 | 241.10 |