Boosting Weakly Supervised Object Detection using Fusion and Priors from Hallucinated Depth

• URL: http://arxiv.org/abs/2303.10937v2
• Date: Wed, 8 Nov 2023 07:32:07 GMT
• Title: Boosting Weakly Supervised Object Detection using Fusion and Priors from Hallucinated Depth
• Authors: Cagri Gungor and Adriana Kovashka
• Abstract summary: We propose an amplifier method for enhancing the performance of weakly-supervised object detection (WSOD) By analyzing the relationship between language context and depth, we calculate depth priors to identify bounding box proposals that may contain an object of interest. Our proposed method is evaluated on six datasets by implementing it on top of two state-of-the-art WSOD methods.
• Score: 33.66537809438079
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Despite recent attention and exploration of depth for various tasks, it is still an unexplored modality for weakly-supervised object detection (WSOD). We propose an amplifier method for enhancing the performance of WSOD by integrating depth information. Our approach can be applied to any WSOD method based on multiple-instance learning, without necessitating additional annotations or inducing large computational expenses. Our proposed method employs a monocular depth estimation technique to obtain hallucinated depth information, which is then incorporated into a Siamese WSOD network using contrastive loss and fusion. By analyzing the relationship between language context and depth, we calculate depth priors to identify the bounding box proposals that may contain an object of interest. These depth priors are then utilized to update the list of pseudo ground-truth boxes, or adjust the confidence of per-box predictions. Our proposed method is evaluated on six datasets (COCO, PASCAL VOC, Conceptual Captions, Clipart1k, Watercolor2k, and Comic2k) by implementing it on top of two state-of-the-art WSOD methods, and we demonstrate a substantial enhancement in performance.

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