An action-level task modeling method for free move is proposed, which is based on a method of key point extraction from the trajectory.
针对自由运动，提出了一个基于路径关键点提取的动作级任务建模方法；
The results of this study show that it is feasible for image rapid automatic stitching by SIFT key point extraction. It also meets the disaster reduction and relief requirements.
研究结果表明，采用SIFT算法提取特征点实现基于普通非量测相机无人机遥感系统获取的影像快速自动拼接在技术上是可行的，满足减灾救灾工作的突发性要求。
EEG feature extraction from imaginary lower limb motor tasks is the key and difficult point of motor nerve reconstruction for lower limbs based on brain-computer interface technology.
下肢想象动作的脑电特征提取是基于脑-机接口技术实现下肢运动神经重建的关键点和难点。
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