InvGC: Robust Cross-Modal Retrieval by Inverse Graph Convolution
Xiangru Jian,
Yimu Wang
Abstract:Over recent decades, significant advancements in cross-modal retrieval are mainly driven by breakthroughs in visual and linguistic modeling. However, a recent study shows that multi-modal data representations tend to cluster within a limited convex cone (as representation degeneration problem), which hinders retrieval performance due to the inseparability of these representations. In our study, we first empirically validate the presence of the representation degeneration problem across multiple cross-modal ben… Show more
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