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Binjie Zhang

3 accepted papers

2023

Darwinian Model Upgrades: Model Evolving with Selective Compatibility

AAAI 2023technical

The traditional model upgrading paradigm for retrieval requires recomputing all gallery embeddings before deploying the new model (dubbed as "backfilling"), which is quite expensive and time-consuming considering billions of instances in industrial applications. BCT presents the first step towards b…

2022

Hot-Refresh Model Upgrades with Regression-Free Compatible Training in Image Retrieval

ICLR 2022poster

The task of hot-refresh model upgrades of image retrieval systems plays an essential role in the industry but has never been investigated in academia before. Conventional cold-refresh model upgrades can only deploy new models after the gallery is overall backfilled, taking weeks or even months for m…

Cited by 12SourcePDFScholar
2022

Towards Universal Backward-Compatible Representation Learning

IJCAI 2022poster

Conventional model upgrades for visual search systems require offline refresh of gallery features by feeding gallery images into new models (dubbed as “backfill”), which is time-consuming and expensive, especially in large-scale applications. The task of backward-compatible representation learning i…