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computer vision

3,596 papers

#machine learning Preprint Open access Oct 2026

Contrastive uncertainty learning for robust multi-structure segmentation in lower-pelvic MR

Boundary delineation of anatomical structures in prostate MRI is often compromised by regional ambiguity. Automated segmentation methods relying on global overlap loss functions tend to be insensitive to surface deviations, leading to significant errors in ambiguous regions. Most existing uncertainty-aware methods trea...

Bilal Sidiqi, Yipei Wang, Wen Yan et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Continual pretraining Prostate MRI ViT Encoder for task alignment

Building foundation models for MRI has emerged as a promising direction for advancing medical image analysis and improving accessibility of task specific models. Existing approaches primarily focus on effective pretraining strategies and evaluating their performance across diverse downstream tasks. While these methods...

Bilal A. Sidiqi, Yipei Wang, Shaheer U. Saeed et al. · 0 citations
#machine learning Preprint Open access Oct 2026

SAM3RL: Memory Control via Reinforcement Learning for Visual Object Tracking

Segment Anything Model 3 (SAM 3) is a foundation model for image and video segmentation that sets the state of the art in visual object tracking. Its tracker, inherited from SAM 2, stores information from past frames in a memory bank, managed by a simple First-In-First-Out rule, allowing temporal consistency in complex...

Tom\'a\v{s} \v{C}\'i\v{z}ek, Matej Straka, Illia Volkov et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Multimodal Medical Image Parsing with Task-Specific Low-Rank Adapters

Adapting a single vision-language model to medical image parsing requires training choices that reflect the demands of each task. We study task-specific adaptation with Qwen3.5-9B for FLARE 2026 Task 3, covering six task families and seven imaging modalities. Our system couples a shared, frozen 4-bit backbone with LoRA...

Taha Sabir, Alberto Montero Molina, Thinh Quang Ly et al. · 0 citations
#artificial intelligence Preprint Oct 2026

StateCraft: Augmenting Video World Models with Abstract-State Reasoning

Video world models aim to simulate complex environments with realistic appearance and dynamics. Maintaining consistency over long interactions requires tracking past actions and understanding how those actions affect the environment. Video world models can only generate partial observations of the entire world at a tim...

Lorenzo Venturoli, N. Savov, Xi Wang et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Discriminative Score Function: Turning Pretrained Models into Functional Generative Priors

Discriminative models are trained with task-specific objectives such as classification, detection, or representation learning, yet their practical utility depends on generalizing beyond the training task to unseen samples from the same domain. This suggests that a discriminative model may retain an implicit trace of th...

Junhoo Lee, Hyeonjin Kim, Sangbum Han et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Self-Conditioning Enables Deep Sequential Reasoning in Flow Matching

Recent work has explored visual reasoning through image generation, where models solve visual-reasoning problems by directly generating solution images. Intuitively, iterative samplers such as flow matching are well suited to this task, since each sampling step may resemble one reasoning step. However, in this work, fr...

Zeyang Zhang, Linxiang Gao, Meiqi Gu et al. · 0 citations
#machine learning Preprint Oct 2026

Learning to Select Features with Manifold Deep Unfolding PCA

Unsupervised feature selection (UFS) is of great significance in image processing and pattern recognition. Nevertheless, existing model-based methods often rely on manually tuned hyperparameters, while deep learning-based methods generally require massive training data. To address these issues, this paper proposes an e...

Jing-Jing Liu, Pei Tai, Xian-Chao Xiu et al. · 0 citations
#machine learning Preprint Open access Oct 2026

The Impact of Detector Architecture, Model Scale, and Scene Density on Multi-Pedestrian Tracking

Pedestrian tracking in video is important for applications such as surveillance and scene analysis, but it becomes more challenging in crowded scenarios with frequent occlusions and rapid motion. This paper analyzes how detector architecture, model scale, scene density, and inference regime affect the tracking of multi...

Pedro Manoel Herminio Alves, Dalton C\'ezane Gomes Valadares, Cl\'audio de Souza Baptista · 0 citations
#machine learning Preprint Open access Oct 2026

How Far Can Coding Agents Go in Visual Generation?

Modern image generation largely relies on specialized generative models that leave the process of image construction implicit in learned parameters. We explore an alternative: general-purpose coding agents that construct images through executable programs. Our study of zero-shot drawing on AgentDrawBench, a 200-prompt...

Hengguang Zhou, Yuanhao Ban, Jiaqi Feng et al. · 0 citations
#machine learning Preprint Open access Oct 2026

An Initial Study of Physiological Markers for Deepfake Speech Detection

Conventional deepfake speech detectors primarily target synthesis artifacts and often degrade under unseen attacks or recording conditions. Human speech, however, contains physiological markers associated with respiration, phonation, and temporal coordination arising from the speech-production system that synthesizers...

Vojt\v{e}ch Stan\v{e}k, Michal Fri\v{c}, Kamil Malinka et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Learnable Hodge-Laplacian Driven Mixture of Experts for Steady-PDE Surrogates on Coarse Unstructured Meshes

Current approaches for steady partial differential equations surrogate models on unstructured meshes apply a single mixing mechanism to the whole solution. This paper proposes an architecture that partitions the solution among vanilla transformer experts, each focused on a different spectral scale. The partition is bui...

Stavros Nousias, Akis Nousias, Konstantinos Gkrispanis · 0 citations

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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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