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Efficient Weakly-Supervised Object Detection With Pseudo Annotations
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DOI：10.1109/ACCESS.2021.3099497.png)
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摘要
En 中文
Weakly-supervised object detection (WSOD) has attracted lots of attention in recent years. However, there is still a big gap between WSOD and generic object detection. The main barriers to the efficiency of WSOD are the ineffective data augmentations and inaccurate bounding box predictions. Given only image-level annotations, it is hard for WSOD to effectively utilize variant data augmentations and accurately regress the bounding boxes. Although a fully-supervised object detector can be trained using annotations generated from the weakly-supervised object detector, the performance is still severely limited due to the low quality of mined pseudo annotations. This paper proposes an efficient WSOD method with pseudo annotations (EWPA) to make better use of imperfect annotations. With the assistance of pseudo annotations, EWPA can effectively regress more accurate bounding boxes while the traditional WSOD can only locate the salient parts of an object. Furthermore, pseudo annotations can help design more complex data augmentations, driving the network to learn more discriminative feature representations. Extensive experiments are conducted on PASCAL VOC 2007 and 2012 datasets and validate the effectiveness of EWPA.
Keyword:
Annotations
Proposals
Training
Object detection
Detectors
Feature extraction
Streaming media
Object detection
weakly-supervised learning
data augmentation
mixed-supervision
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期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
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