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Matryoshka Representation Learning with CLIP for Multimodal Retrieval and Ranking

TL;DR We introduce Matryoshka Representation Learning (MRL), facilitating flexible embedding sizes in vector databases. This allows a balance between efficiency and granularity. Through MRL, embeddings condense into smaller dimensions while preserving performance in retrieval and ranking tasks. In summary, MRL empowers cost-effective flexibility without compromising performance in multimodal retrieval and ranking tasks. ....

Representation Learning , Generalized Contrastive Learning , Embedding Sizes , Minimal Impact , Original Embedding ,

"Boost Off/On-Manifold Adversarial Robustness for Deep Learning with La" by Mengdie Huang, Yi Xie et al.

Deep neural networks excel at solving intuitive tasks that are hard to describe formally, such as classification, but are easily deceived by maliciously crafted samples, leading to misclassification. Recently, it has been observed that the attack-specific robustness of models obtained through adversarial training does not generalize well to novel or unseen attacks. While data augmentation through mixup in the input space has been shown to improve the generalization and robustness of models, there has been limited research progress on mixup in the latent space. Furthermore, almost no research on mixup has considered the robustness of models against emerging on-manifold adversarial attacks. In this paper, we first design a latent-space data augmentation strategy called dual-mode manifold interpolation, which allows for interpolating disentangled representations of source samples in two modes: convex mixing and binary mask mixing, to synthesize semantic samples. We then propose a resilien ....

Latentrepresentationmixup Larepmixup , Adversarial Attack , Adversarial Robustness , Deep Neural Networks , Representation Learning ,