Unsupervised feature selection has become an important and challenging problem faced with vast amounts of unlabeled and high-dimension data in machine learning.
Tracking-Learning-Detection( TLD) is an adaptive tracking algorithm,which tracks by learning the appearance of the object as the video progresses and shows a good performance in long-term tracking tas
A phreatic water evaporation experimentmovement through groun,without rainfall influencedwater recharge to the uns,was designed to study the mechanisms of soil