journal article·2020-02-10Open access

Contextual Coefficients Excitation Feature: Focal Visual Representation for Relationship Detection

Yajing Xu, Haitao Yang, Si Li, Xinyi Wang, Mingfei Cheng

Applied Sciences· Volume 10· Issue 3

Abstract

Visual relationship detection (VRD), a challenging task in the image understanding, suffers from vague connection between relationship patterns and visual appearance. This issue is caused by the high diversity of relationship-independent visual appearance, where inexplicit and redundant cues may not contribute to the relationship detection, even confuse the detector. Previous relationship detection models have shown remarkable progress in leveraging external textual information or scene-level interaction to complement relationship detection cues. In this work, we propose Contextual Coefficients Excitation Feature (CCEF), a focal visual representation, which is adaptively recalibrated from original visual feature responses by explicitly modeling the interdependencies between features and their contextual coefficients. Specifically, contextual coefficients are obtained by calculation of both the spatial coefficients and generated-label ones. In addition, a conditional Wasserstein Generative Adversarial Network (WGAN) regularized with a relationship classification loss is designed to alleviate inadequate training of generated-label coefficients due to long tail distribution of relationship. Experimental results demonstrate the effective improvements of our method on relationship detection. In particular, our method improves the recall from 8.5% to 23.2% of predicting unseen relationship from zero-shot set.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Multimodal Machine Learning Applications · Human Pose and Action Recognition · Advanced Image and Video Retrieval Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Artificial Intelligence, Beijing University of Posts and Telecommunications, Beijing 100876, China

Funding

National Natural Science Foundation of China

References (45)

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