3341f6f048384ec73a7ba2e77d2db48b-Paper.pdf

Instance segmentation, which seeks to obtain both class and instance labels for each pixelinthe input image, isachallenging task incomputer vision. State-ofthe-art algorithms often employ a search-based strategy, which first divides the output image with a regular grid and generate proposals at each grid cell, then the proposals are classified and boundaries refined.