Unsupervised Trajectory Segmentation and Promoting of Multi-Modal Surgical Demonstrations

1 Oct 2018 Zhenzhou Shao Hongfa Zhao Jiexin Xie Ying Qu Yong Guan Jindong Tan

To improve the efficiency of surgical trajectory segmentation for robot learning in robot-assisted minimally invasive surgery, this paper presents a fast unsupervised method using video and kinematic data, followed by a promoting procedure to address the over-segmentation issue. Unsupervised deep learning network, stacking convolutional auto-encoder, is employed to extract more discriminative features from videos in an effective way... (read more)

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