Abstract: This paper proposes a greedy algorithm with adaptive block selection for the recovery of block-sparse signals when the block partition is unknown. In the proposed method, an evaluation ...

Like everything at Costco, the shopping carts are extra-large. Shelby Blessie isn’t. At 4 feet, 11 inches tall she cranes her head to peer over the top of her cart as she maneuvers through a sea of ...

Add Yahoo as a preferred source to see more of our stories on Google. Like everything at Costco, the shopping carts are extra-large. Shelby Blessie isn’t. At 4 feet, 11 inches tall she cranes her head ...

We spend a lot of time thinking about the difficult people in our lives—the friend who can't take feedback, the partner who always has to be right, the coworker who turns everything into a fight. But ...