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computer vision

3,798 papers

#artificial intelligence Preprint Sep 2026

LEAP: Learned Block-wise Evidence Retrieval for Long Audio-Video Perception

Hour-scale audio-visual question answering is constrained by a context dilemma: dense whole-recording encoding rapidly exhausts context limits, whereas uniform temporal compression severely dilutes fine-grained acoustic and visual evidence. We introduce LEAP, a framework where the model retrieves its own evidence witho...

Ju-Yi Lin, Zhi-Qiang Lao, Jia-Li Cui et al. · 0 citations
#artificial intelligence Preprint Sep 2026

CoVisco: Codec-Native Vision Encoder with Native Token Compression for Unified Image-Video Understanding

Vision-language models face a fundamental scaling bottleneck: the number of visual tokens grows with both temporal duration and spatial resolution, making long-video understanding expensive for the vision encoder and the language model. Existing methods often compress visual tokens after dense encoding, creating a mism...

Yulong Liu, Xiao-Tian Han, Jun-Yuan Shang et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Let the Carrier Carry the Attack: Preserving the Subject in Adversarial Image Generation

Strong unrestricted adversarial attacks can distort the primary object of an image, hereafter referred to as the subject. To preserve subject integrity without compromising attack magnitude, we introduce the carrier: a secondary visual element that provides an auxiliary region to facilitate the attack under global clas...

Linfeng Jiang, Steven McDonagh, Yuhang Chen et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

When Masking Helps or Hurts Robustness in Compressed CLIP: A Pre-Deployment Diagnostic

This paper demonstrate that whether masking-based token pruning helps or hurts worst-group robustness can be predicted before deployment, without labels or fine-tuning. A systematic study of semantic masking across 8 spurious-correlation benchmarks shows its effect on worst-group accuracy is highly unstable: it improve...

Muhammad Zawish, Steven Davy · 0 citations
#artificial intelligence Preprint Open access Oct 2026

ShieldCLIP: Selective Safety Alignment for Harmful Content Mitigation in Multimodal Foundation Models

Multimodal encoders such as CLIP underlie many downstream systems, but their web-scale training data embed harmful associations that safety alignment must suppress without unnecessarily changing benign representations. Because ethical and practical constraints prevent collecting real unsafe content at scale, existing d...

Tobia Poppi, Silvia Cappelletti, Samuele Poppi et al. · 0 citations
#artificial intelligence Preprint Sep 2026

From Modes to Memories: Characterizing the Scale-Space Dynamics of Diffusion Models

Diffusion models are typically viewed as stochastic processes that transform noise into data. We take a complementary perspective: a diffusion model defines a family of deterministic dynamical systems indexed by noise scale. At each fixed scale $\sigma$, we treat the denoiser as a self-map and study its dynamics. For a...

C. Amado, Marco Fumero, Francesco Locatello · 0 citations
#artificial intelligence Preprint Sep 2026

D-Scope: Decomposing and Steering Diffusion Transformers with Sparse Autoencoders

Sparse autoencoders (SAEs) reveal visual structure in diffusion transformers (DiTs), but interpreting a feature does not establish whether it can be used to control generation. We introduce D-Scope (Diffusion Scope), a framework that connects feature interpretation to generation control through shared visual evidence....

Xinyue Xu, Jiahao Zhang, Li-Jie Hu et al. · 1 citation
#artificial intelligence Preprint Sep 2026

GroundingPI: A Grounding Foundation Model towards Physical Intelligence with Visual Primitives

Precise grounding matters. It specifies which object is the target and where that object is, even in clutter and for tiny objects, and it has to be fast enough for closed-loop control. Yet vision-language-action (VLA) and world-action models (WAMs) take perception from general-purpose vision-language and video-generati...

Qi-Ze Yu, Lian-Rui Fan, Bo-Yu Chen et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

GroundAnything: Reconciling Parallel Decoding with Precise Visual Grounding at Flash Speed

Autoregressive (AR) grounding models serialize spatial predictions, introducing sequential latency and imposing a causal order on output tokens. We view grounding as visual evidence extraction: objects, locations, and spatial relations are jointly constrained by the image and query, yet their dependencies do not imply...

Qize Yu, Lianrui Fan, Bowen Ping et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Steering Fields: Adaptive Vector Fields for Safe Image Generation and Beyond

As state-of-the-art text-to-image flow models achieve near-photorealistic quality, controlling their outputs, e.g., suppressing harmful content while promoting benign alternatives, has become a central challenge. The current steering paradigm consists of adding a global steering vector to selected activations. While fu...

Simone Facchiano, Jan Eric Lenssen, Bernt Schiele et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Learning Normal Diffusion Dynamics for Backdoor Defense in Text-to-Image Models

Backdoor attacks pose a serious threat to the secure deployment of text-to-image (T2I) diffusion models. Existing defenses typically detect backdoors from specific abnormal patterns in internal representations, which may limit their generalizability with the emergence of increasingly diverse attack mechanisms. In this...

Jun-Jian Li, Xiao-Long Liu, Peng Sun et al. · 1 citation
#artificial intelligence Preprint Sep 2026

PartiCam: Camera Controlled Video Generation with Reward Guidance

PartiCam is presented, a training-free Particle filtering rooted method for improved Camera controlled video generation that builds on Sequential Monte-Carlo (SMC) guidance, but introduces a local refinement stage based on particle filtered resampling.

Amine Ouasfi, Runjia Li, Junlin Han et al. · 0 citations

From tech blogs

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MIT News · Artificial Intelligence Oct 28, 2026

Making machines that can listen

Professor Paris Smaragdis develops computers with superhuman hearing for applications like speech recognition, music understanding, and environmental monitoring.

Microsoft Research Blog Oct 6, 2026

What AI gets wrong and what failure teaches us

Jennifer Neville did not want to go into computer science—but that’s exactly where she landed. Neville discusses the starts and stops that led to her professional sweet spot and her work identifying “surprising failures” making it hard for AI to handle complexity.  The post What AI gets wrong and what failure teaches us appeared first on Microsoft Research.

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