A decline in cognitive performance has been associated with disease severity. exacerbations rate. presence of comorbidities. and low activity level in people with chronic obstructive pulmonary disease (COPD). https://akmfobmkoqh9g.theisblog.com/35130144/vision-based-autonomous-landing-of-a-quadrotor-on-the-perturbed-deck-of-an-unmanned-surface-vehicle