Simultaneous Detection and Segmentation Bharath Hariharan, Pablo Arbeláez, Ross Girshick, Jitendra Malik. Abstract We aim to detect all instances of a category in an image and, for each instance, mark the pixels that belong to it. We call this task Simultaneous Detection and Segmentation (SDS). Unlike classical bounding box detection, SDS requires a segmentation and not just a box. Unlike classica