Research Article
Motion Estimation Using the Firefly Algorithm in Ultrasonic Image Sequence of Soft Tissue
Figure 5
The estimated motion vectors by using the IFSA and IFA with different iterations.
(a) An image of ultrasonic extensor tendon |
(b) Current ROI (defined in (a)) |
(c) Reference ROI (next frame of (a)) |
(d) IFSA with 20 iterations |
(e) IFA with 50 iterations |
(f) IFA with 100 iterations |
(g) IFA with 150 iterations |
(h) IFA with 200 iterations |
(i) IFA with 300 iterations |