Abstract #4824

Development of a computer software to quantify bowel motility shown on cine MR imaging by using classical Horn-Schunck approach

Yoshio Kitazume¹, Kento Takenaka², Kazuo Ohtsuka³, and Ukihide Tateishi⁴

¹Diagnostic Radiology, Tokyo Medical and Dental University, Tokyo, Japan, ²Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan, ³Gastroenterology and Hepatology, Tokyo Medical and Dental Univerisity, Tokyo, Japan, ⁴Tokyo Medical and Dental University, Tokyo, Japan

We developed a computer software which quantifies the small bowel motility shown on cine MR imaging using optical flow algorithm with Horn-Schunck approach, by adding a preprocessing step for analyzing cine MR images. A high Pearson’s correlation coefficient was obtained between direct measurement on cine MR and motility map value (r= 0.83 [95% confidence interval: 0.83 – 0.95, P<0.0001]).

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