Electrical Engineering and Systems Science > Image and Video Processing
[Submitted on 28 Apr 2020]
Title:Convolutional Neural Networks vs. Deformable Image Registration For Medical Slice Interpolation
View PDFAbstract:Medical image slice interpolation is an active field of research. The methods for this task can be categorized into two broad groups: intensity-based and object-based interpolation methods. While intensity-based methods are generally easier to perform and less computationally expensive, object-based methods are capable of producing more accurate results and account for deformable changes in the objects within the slices. In this paper, performance of two well-known object-based interpolation methods is analyzed and compared. Here, a deformable registration-based method specifically designed for medical applications and a learning-based method, trained for video frame interpolation, are considered. While the deformable registration-based technique is capable of accurate modeling of the changes in the shapes of the objects within slices, the learning-based method is able to produce results with similar accuracy, but with a much sharper appearance in a fraction of the time. This is despite the fact that the learning-based approach is not trained on medical images and rather is trained using regular video footage. However, experiments show that the method is capable of accurate slice interpolation results.
Submission history
From: Ahmadreza Baghaie [view email][v1] Tue, 28 Apr 2020 19:28:26 UTC (1,055 KB)
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