Single-Shot Object Detection with Enriched Semantics
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We propose a novel single shot object detection network named Detection with Enriched Semantics (DES). Our motivation is to enrich the semantics of object detection features within a typical deep detector, by a semantic segmentation branch and a location-agnostic module. The segmentation branch is supervised by weak segmentation ground-truth, i.e., no extra annotation is required. In conjunction with that, we employ a location-agnostic module which learns relationship between channels and object classes in a self-supervised manner. Comprehensive experimental results on both PASCAL VOC and MS COCO detection datasets demonstrate the effectiveness of the proposed method. In particular, with a VGG16 based DES, we achieve an mAP of 81.6 on VOC2007 test and an mmAP of 32.8 on COCO test-dev with an inference speed of 36.7 milliseconds per image on a Titan X Pascal GPU. With a lower resolution version, we achieve an mAP of 79.5 on VOC2007 with an inference speed of 14.7 milliseconds per image.
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