Before revision:  In contrast, a state-of-the-art object detector's accuracy drops considerably. Our methods also achieve higher overall recall and accuracy than the state-of-the-art in the unseen warehouse environment .
After revision:  In contrast, a state-of-the-art Faster R-CNN method decreases significantly. In fact, the use of sparse PI features yields higher overall recall and accuracy than the state-of-the-art in the unseen warehouse environment .