accurate trajectory in dynamic environments is presented, which selects corresponding feature points on static regions and … eliminates useless feature points on dynamic regions. Findings The proposed method is successfully verified on the public data … information and track feature points steadily in dynamic environments. Absolute pose error and relative pose error are used to …

error. The feature points extraction method is automatically determined to correct machining error based on the type of … welding seam. Furthermore, the corresponding specific method to extract the feature points for each type of welding seam is … proposed. The proposed visual model is experimentally validated, and the feature points extraction results as well as seam …

basis of several facial features computed from the positional relationship of a number of facial feature points. For the …