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Unsupervised anomaly detection in brain images is crucial for identifying injuries and pathologies without access to labels. However, the accurate localization of anomalies in medical images remains challenging due to the inherent…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Farzad Beizaee , Gregory Lodygensky , Christian Desrosiers , Jose Dolz

A consistent trend throughout the research of oriented object detection has been the pursuit of maintaining comparable performance with fewer and weaker annotations. This is particularly crucial in the remote sensing domain, where the dense…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Wei Zhang , Xiang Liu , Ningjing Liu , Mingxin Liu , Wei Liao , Chunyan Xu , Xue Yang

I present a semiclassical analysis of a spatial-mode demultiplexing (SPADE) measurement scheme for far-field incoherent optical imaging under the effects of diffraction and photon shot noise. Building on previous results that assume two…

光学 · 物理学 2018-02-28 Mankei Tsang

High-fidelity, high-resolution numerical simulations are crucial for studying complex multiscale phenomena in fluid dynamics, such as turbulent flows and ocean waves. However, direct numerical simulations with high-resolution solvers are…

数值分析 · 数学 2025-04-14 Wuzhe Xu , Yulong Lu , Lian Shen , Anqing Xuan , Ali Barzegari

The unsupervised 3D object detection is to accurately detect objects in unstructured environments with no explicit supervisory signals. This task, given sparse LiDAR point clouds, often results in compromised performance for detecting…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Ruiyang Zhang , Hu Zhang , Hang Yu , Zhedong Zheng

Unsupervised change detection (UCD) in remote sensing aims to localise semantic changes between two images of the same region without relying on labelled data during training. Most recent approaches rely either on frozen foundation models…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Blaž Rolih , Matic Fučka , Filip Wolf , Luka Čehovin Zajc

Missing data in spatiotemporal systems presents a significant challenge for modern applications, ranging from environmental monitoring to urban traffic management. The integrity of spatiotemporal data often deteriorates due to hardware…

机器学习 · 计算机科学 2025-06-10 Wenying He , Jieling Huang , Junhua Gu , Ji Zhang , Yude Bai

Multimodal learning has demonstrated incredible successes by integrating diverse data sources, yet it often relies on the availability of all modalities - an assumption that rarely holds in real-world applications. Pretrained multimodal…

机器学习 · 计算机科学 2025-04-21 Duy A. Nguyen , Quan Huu Do , Khoa D. Doan , Minh N. Do

Three-dimensional molecular generators based on diffusion models can now reach near-crystallographic accuracy, yet they remain fragmented across tasks. SMILES-only inputs, two-stage pretrain-finetune pipelines, and one-task-one-model…

生物大分子 · 定量生物学 2025-07-11 Dong Xu , Zhangfan Yang , Sisi Yuan , Jenna Xinyi Yao , Jiangqiang Li , Junkai Ji

Robots operating in human environments must be able to rearrange objects into semantically-meaningful configurations, even if these objects are previously unseen. In this work, we focus on the problem of building physically-valid structures…

机器人学 · 计算机科学 2023-04-26 Weiyu Liu , Yilun Du , Tucker Hermans , Sonia Chernova , Chris Paxton

Conventional imaging requires a line of sight to create accurate visual representations of a scene. In certain circumstances, however, obtaining a suitable line of sight may be impractical, dangerous, or even impossible. Non-line-of-sight…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Fadlullah Raji , John Murray-Bruce

Decentralized multi-robot motion planning requires each robot to generate collision-free trajectories from local observations, without global sensing or reliable communication. However, most existing planners, whether classical or…

机器人学 · 计算机科学 2026-05-28 Jinhao Liang , Sven Koenig , Ferdinando Fioretto

Semi-supervised Camouflaged Object Detection (SSCOD) aims to reduce reliance on costly pixel-level annotations by leveraging limited annotated data and abundant unlabeled data. However, existing SSCOD methods based on Teacher-Student…

计算机视觉与模式识别 · 计算机科学 2025-08-01 Xihang Hu , Fuming Sun , Jiazhe Liu , Feilong Xu , Xiaoli Zhang

Leveraging the natural spatiotemporal energy decay in video diffusion offers a path to efficiency, yet relying solely on rigid static masks risks losing critical long-range information in complex dynamics. To address this issue, we propose…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Yongji Long , Shijun Liang , Jintao Li , Yun Li

Scientific measurements are often bottlenecked by suboptimal conditions, whether that be noise, incomplete spatial coverage, or limited resolution, rendering accurate field reconstruction a difficult task. We introduce LatentPDE, a latent…

机器学习 · 计算机科学 2026-04-28 Valerie Tsao , Nathaniel Chaney , Manolis Veveakis

High-quality 4D reconstruction enables photorealistic and immersive rendering of the dynamic real world. However, unlike static scenes that can be fully captured with a single camera, high-quality dynamic scenes typically require dense…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Weihong Pan , Xiaoyu Zhang , Zhuang Zhang , Zhichao Ye , Nan Wang , Haomin Liu , Guofeng Zhang

We present SOLID-Net, a neural network for spatially-varying outdoor lighting estimation from a single outdoor image for any 2D pixel location. Previous work has used a unified sky environment map to represent outdoor lighting. Instead, we…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Yongjie Zhu , Yinda Zhang , Si Li , Boxin Shi

Multimodal image-tabular learning is gaining attention, yet it faces challenges due to limited labeled data. While earlier work has applied self-supervised learning (SSL) to unlabeled data, its task-agnostic nature often results in learning…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Siyi Du , Xinzhe Luo , Declan P. O'Regan , Chen Qin

Modeling the dynamic behavior of deformable objects is crucial for creating realistic digital worlds. While conventional simulations produce high-quality motions, their computational costs are often prohibitive. Subspace simulation…

Choice models, which capture popular preferences over objects of interest, play a key role in making decisions whose eventual outcome is impacted by human choice behavior. In most scenarios, the choice model, which can effectively be viewed…

统计方法学 · 统计学 2011-09-22 Vivek F. Farias , Srikanth Jagabathula , Devavrat Shah