Sentence examples for mai boundary from inspiring English sources
In order to estimate MAI boundary using the initial LII, we proposed a simple method.
The ROI of IMC can be correctly detected, but the final LII and MAI boundaries are almost overlaid).
Thirdly, the mean bias of LII and MAI were not investigated in our experiment for the lack of information on LII and MAI boundaries of manual tracing.
More specifically, a ROI is extracted at the beginning of the processing, and then the LII and MAI boundaries are estimated within the extracted ROI; finally the estimated boundaries are adjusted to the accurate locations by using improved dynamic programming.
In our experiment, the ground truth (GT) of the IMT was measured by expert vascular clinician, which was manually computed by delineating the LII and MAI boundaries on the ultrasound images for six times and then averaged.
This may be due to the ambiguous boundary understanding of MAI, while human did not delineate the concave contours according to gradient maxima.
Almost all of the existing methods include two stages: estimating the initial boundaries (LII, MAI) and then adjusting them to their exact locations.
Petroudi et al. [ 18, 19] proposed an algorithm that used variational level set [ 21] method to segment the ultrasound image into two parts according to image intensity and then estimated the MAI and LII with the boundary of the segmented image.
The IMC lies almost horizontally in the ultrasound image, and the detected boundaries of LII and MAI have the same number of points.
After the dynamic programming procedure, we could get the accurate boundaries both for LII and MAI as shown in Figure 4 e).
