期刊
JOURNAL OF ENGINEERING-JOE
卷 -, 期 14, 页码 495-499出版社
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/joe.2018.9406
关键词
image matching; phantoms; biomedical ultrasonics; multi-threading; medical robotics; medical image processing; ultrasonic imaging; ultrasound devices; image position; robust template matching method; compact portable ultrasound diagnostic robot; ultrasound image pattern; robotic medical ultrasound; home healthcare; periodic phantom organ motion; robot control; image processing; real-time input images
资金
- JSPS KAKENHI [JP17H03200]
Robotic medical ultrasound can support diagnostics and alleviate fatigues. However, state-of-the-art ultrasound devices are too large and complex for home healthcare. Moreover, organs move in accordance with respiration. This movement changes the ultrasound image pattern and it is difficult for the operator to diagnose easily and accurately. To cope with these problems, the authors newly developed a compact portable ultrasound diagnostic robot for home healthcare, which compensate the organ motion. It can support those who find it difficult to visit a hospital for temporal, spatial, or physical reasons. A robust template matching method to servo the target was applied. Specifically, this robot moves to the target, whose position is detected by finding and identifying the image position of the target in the real-time input images. The authors also applied a multi-threading algorithm with two threads to enhance the real-time performance. One is for image processing with template matching. Another is for robot control to servo the target. Experimental results show that their proposed robot and algorithms can be suppressed to 25.2% motion in pk-to-pk for the periodic phantom organ motion (period of 3 s and of pk-to-pk 40 mm).
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