HAL: Improved Text-­Image Matching by Mitigating Visual Semantic Hubs

Fangyu Liu, Rongtian Ye, Xun Wang, Shuaipeng Li

Tutkimustuotos: Artikkeli kirjassa/konferenssijulkaisussaConference contributionScientificvertaisarvioitu

Abstrakti

The hubness problem widely exists in high-dimensional embedding space and is a fundamental source of error for cross-modal matching tasks. In this work, we study the emergence of hubs in Visual Semantic Embeddings (VSE) with application to text-image matching. We analyze the pros and cons of two widely adopted optimization objectives for training VSE and propose a novel hubness-aware loss function (HAL) that addresses previous methods' defects. Unlike (Faghri et al.2018) which simply takes the hardest sample within a mini-batch, HAL takes all samples into account, using both local and global statistics to scale up the weights of "hubs". We experiment our method with various configurations of model architectures and datasets. The method exhibits exceptionally good robustness and brings consistent improvement on the task of text-image matching across all settings. Specifically, under the same model architectures as (Faghri et al. 2018) and (Lee at al. 2018), by switching only the learning objective, we report a maximum R@1improvement of 7.4% on MS-COCO and 8.3% on Flickr30k.
AlkuperäiskieliEnglanti
OtsikkoThe Thirty-Fourth AAAI Conference on Artificial Intelligence (AAAI-20)
KustantajaAAAI PRESS
ISBN (elektroninen)978-1-57735-823-7
TilaJulkaistu - 2020
OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisuussa
TapahtumaAAAI Conference on Artificial Intelligence - New York, Yhdysvallat
Kesto: 7 helmik. 202012 helmik. 2020
Konferenssinumero: 34
https://aaai.org/Conferences/AAAI-20/

Conference

ConferenceAAAI Conference on Artificial Intelligence
LyhennettäAAAI
Maa/AlueYhdysvallat
KaupunkiNew York
Ajanjakso07/02/202012/02/2020
www-osoite

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