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computer vision

3,740 papers

#artificial intelligence Preprint Open access Oct 2026

Preserving Anatomical Continuity: Three-Stage Pipeline for Colon Segmentation in 3D Abdominal CT Scans

Accurate colon segmentation from CT images is essential for colorectal disease analysis, yet deep learning based methods often produce disconnected predictions due to complex anatomy. This study introduces a three-stage, topology-preserving segmentation pipeline to address this issue. The first stage performs initial d...

Deshan Kalupahana, Sonit Singh, Praveen Ravindran et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Corrupted but Correct: Why Vision-Language Models Lie to Themselves Internally

A targeted adversarial perturbation can drive a vision-language model's (VLM's) teacher-forced training loss for a fixed target caption to near zero, yet the same model, allowed to generate freely, produces the original, correct description with no trace of the target. We call this dissociation the train/inference gap,...

Arun Josephraj Arokiaraj, Ze-Kun Wu, A. Koshiyama · 0 citations
#artificial intelligence Preprint Open access Oct 2026

ForestQuery: Boundary-Aware and Spatially Anchored Query Learning for Unified Forest Point Cloud Segmentation

Forest point cloud segmentation is fundamental for fine-grained 3D forest scene understanding, yet remains challenging due to irregular tree structures, severe occlusions, density variations, and ambiguous instance boundaries. Recent query-based forest segmentation methods have shown promise for unified semantic and in...

Zhihao Zhan, Le Tao, Yifei Tian et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Consecutive Posterior Fusion for Diffusive Recovery of Unobservable Image Structures

Solving severely ill-posed imaging inverse problems requires recovering image structures that are unobservable or weakly constrained by the measurements. Diffusion models provide expressive learned priors for inferring such missing information, while posterior sampling incorporates measurement consistency along the rev...

E. Morotti, Davide Evangelista, E. Piccolomini · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Uncertainty as a Proxy for Semantic Correctness in Diffusion-Based Medical Image Synthesis

Diffusion models can synthesise contrast-enhanced CT (CECT) from non-contrast CT (NCCT), avoiding contrast administration and its environmental and patient-access costs. However, visually realistic images are not necessarily anatomically correct, and the pixel-intensity and feature-space similarity metrics used to asse...

Yuxuan Ou, Konstantinos Kamnitsas, OxAAA Study et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Evolving Hybrid Quantum-Classical Architectures for Image Classification

Hybrid quantum classical neural networks integrate parameterized quantum circuits (PQCs) with established deep learning architectures, but their performance depends strongly on the choice of quantum circuit architecture, a choice that remains largely manual. Most existing approaches rely on hand-designed or fixed circu...

Devroop Kar, Daniel E. Krutz, Travis J. Desell · 0 citations
#artificial intelligence Preprint Oct 2026

Contextual Flow Matching: Adaptive Step Selection in Flow Models for Efficient Visual Generation

Flow Matching enables high-quality visual generation via continuous-time dynamics, but inference remains costly due to multiple sequential function evaluations. Existing acceleration methods reduce the number of function evaluations but often introduce additional training overhead, degrade quality, or fail to account f...

D. J. Bajpai, Arun Verma, M. Hanawal · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Foresight: planning future perception in streaming VLMs without retraining

Existing streaming vision-language models (VLMs) continuously perceive and reason over visual streams, but their computational pathways remain fixed throughout inference. Consequently, they cannot adapt computation to evolving scene dynamics, where different future events demand different levels and forms of perception...

Ashok Prasad Neupane, Dipan Bartaula, Ankit Belbase et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Beyond Single Videos: Benchmarking and Active Evidence Seeking for E-Commerce Cross-Video Reasoning

E-commerce videos are information-dense and frequently compared by consumers evaluating products and merchants assessing marketing strategies. However, existing multimodal models mainly focus on single-video understanding and have limited ability to compare information across videos. We introduce AdsCVR, the first e-co...

Jing-Han Zhao, Yi-Man Hu, Liang Wu et al. · 0 citations
#artificial intelligence Preprint Oct 2026

NegT2IBench: When Negation Changes the Picture. A Polarity Benchmark for Text-to-Image Models

Text-to-image (T2I) models are judged by benchmarks that measure whether requested content appears, but these benchmarks largely overlook the complementary ability to satisfy negated constraints, for example, generating"a non-red cup."Measuring negation raises challenges not faced by affirmation-based benchmarks and re...

Omar Elfatairy, M. A. Bravo, Jessica Bader et al. · 0 citations
#artificial intelligence Preprint Oct 2026

WebFovea: When the Model Is Right but the Click Is Wrong -- Reliable Round Trips for Vision-Based Web Agents on Live Websites

We present WebFovea, a vision-based web agent that placed 2nd in the WebRetriever Challenge 2026 with a final score of 57.0 out of 100. The challenge evaluates agents end to end on Protocol III of the WebRetriever benchmark (arXiv:2607.06118): starting from an entry URL on a live website, the agent must operate the sit...

Jian-Gang Han · 0 citations
#artificial intelligence Preprint Oct 2026

OmniAct3D: Leveraging Foundation Geometry and Evidence-Grounded Reasoning for Panoramic 3D Detection

Accurate 3D detection is essential for mobile embodied agents, while Vision Foundation Models (VFMs) offer transferable visual and geometric priors. Yet existing VFM-based 3D detectors rely on narrow-view monocular images or discrete perspective views, limiting coherent surround perception; equirectangular projection (...

Run-Tong Wu, Fei Teng, Di Wen 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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