Before revision:  To this end, we note that pyramid pooling has been demonstrated to be effective in various vision tasks owing to its powerful  context abstraction, and its natural property of spatial invariance is  suitable to address the loss of structural information (problem ii)).
After revision:  To this end, we note that pyramid pooling has been demonstrated to be effective in various vision tasks owing to its powerful context abstraction, and its natural property of spatial invariance is also suitable to address the loss of structural information (problem ii)).