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Author

Bernard Ghanem

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Jul 2026

Sparse Attention for Dense Open-Vocabulary Prediction in CLIP

This work studies an inference-time substitution of the row-wise softmax in the final visual self-attention layers with the $\alpha$-entmax transform, applied across both the standard query-key attention and self-correlation variants.

Fatima Zohra, Chen Zhao, Shuming Liu et al. · 0 citations

with Pretrained Generative Model for Self-Supervised Learning

GenView is presented, a controllable framework that augments the diversity of positive views leveraging the power of pretrained generative models while preserving semantics, and an adaptive view generation method that dynamically adjusts the noise level in sampling to ensure the preservation of essential semantic meani...

Xiao-Jie Li, Yi-Bo Yang, Xiang-Tai Li et al. · 0 citations
Jul 2026

HyperGS: Fast and Generalizable Gaussian Video Representation

This work proposes HyperGS, a feedforward, optimization-free approach that directly predicts Gaussian representations from any video in a single forward pass, speeding up encoding and decoding by orders of magnitude while generalizing to out-of-distribution videos at higher resolutions.

Fatima Zohra, Chen Zhao, Shuming Liu et al. · 0 citations
Preprint Aug 2026

DiSCO: Defending text-to-image generation through distribution-guided contrastive prompt optimization

DiSCO is proposed, a zero-shot, strictly black-box defense that operates entirely at the prompt level as a plug-and-play module, requiring no model retraining, fine-tuning, or access to model internals, and can be readily applied to any text-to-image system without necessitating any changes to the model itself.

Tong Zhang, M. Alfarra, Carlos Hinojosa et al. · 0 citations

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