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Related papers: DriveFlow: Rectified Flow Adaptation for Robust 3D…

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Detecting out-of-distribution (OOD) data is crucial for robust machine learning systems. Normalizing flows are flexible deep generative models that often surprisingly fail to distinguish between in- and out-of-distribution data: a flow…

Machine Learning · Statistics 2020-06-16 Polina Kirichenko , Pavel Izmailov , Andrew Gordon Wilson

We present ReinDriveGen, a framework that enables full controllability over dynamic driving scenes, allowing users to freely edit actor trajectories to simulate safety-critical corner cases such as front-vehicle collisions, drifting cars,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Hao Zhang , Lue Fan , Weikang Bian , Zehuan Wu , Lewei Lu , Zhaoxiang Zhang , Hongsheng Li

This paper proposes Instruct 4D-to-4D that achieves 4D awareness and spatial-temporal consistency for 2D diffusion models to generate high-quality instruction-guided dynamic scene editing results. Traditional applications of 2D diffusion…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Linzhan Mou , Jun-Kun Chen , Yu-Xiong Wang

With the widespread adoption of machine learning technologies in autonomous driving systems, their role in addressing complex environmental perception challenges has become increasingly crucial. However, existing machine learning models…

Robotics · Computer Science 2025-08-19 Lida Xu

Recent advances have reformulated diffusion models as deterministic ordinary differential equations (ODEs) through the framework of flow matching, providing a unified formulation for the noise-to-data generative process. Various…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Yan Luo , Henry Huang , Todd Y. Zhou , Mengyu Wang

In this study, we propose a three-stage training approach of neural networks for both photometric redshift estimation of galaxies and detection of out-of-distribution (OOD) objects. Our approach comprises supervised and unsupervised…

Instrumentation and Methods for Astrophysics · Physics 2022-02-04 Joongoo Lee , Min-Su Shin

Effective object detection in autonomous vehicles is challenged by deployment in diverse and unfamiliar environments. Online Source-Free Domain Adaptation (O-SFDA) offers model adaptation using a stream of unlabeled data from a target…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Xiangyu Shi , Yanyuan Qiao , Qi Wu , Lingqiao Liu , Feras Dayoub

Autonomous driving and assistance systems rely on annotated data from traffic and road scenarios to model and learn the various object relations in complex real-world scenarios. Preparation and training of deploy-able deep learning…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Shubham Dokania , A. H. Abdul Hafez , Anbumani Subramanian , Manmohan Chandraker , C. V. Jawahar

Vision-based autonomous driving requires reliable and efficient object detection. This work proposes a DiffusionDet-based framework that exploits data fusion from the monocular camera and depth sensor to provide the RGB and depth (RGB-D)…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Eliraz Orfaig , Inna Stainvas , Igal Bilik

Text-driven video editing aims to modify video content based on natural language instructions. While recent training-free methods have leveraged pretrained diffusion models, they often rely on an inversion-editing paradigm. This paradigm…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Guangzhao Li , Yanming Yang , Chenxi Song , Chi Zhang

Unsupervised video object segmentation (VOS) aims to detect the most prominent object in a video. Recently, two-stream approaches that leverage both RGB images and optical flow have gained significant attention, but their performance is…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Suhwan Cho , Minhyeok Lee , Jungho Lee , Donghyeong Kim , Sangyoun Lee

The promise of Rectified Flow rests on producing self-generated couplings whose trajectories are straight, or nearly so. In practice, trajectories generated by the base flow model can bend and intertwine, and the resulting coupling inherits…

Artificial Intelligence · Computer Science 2026-05-19 Yimeng Min , Carla P. Gomes

Signed Distance Fields (SDFs) are a fundamental representation in robot motion planning. Their configuration-space counterpart, the Configuration Space Distance Field (CDF), directly encodes distances in joint space, offering a unified…

Robotics · Computer Science 2025-09-18 Mengzhu Li , Yunyu Zhou , He Ying , F. Richard Yu

Autonomous vehicles (AVs) use object detection models to recognize their surroundings and make driving decisions accordingly. Conventional object detection approaches classify objects into known classes, which limits the AV's ability to…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Menna Taha , Aya Ahmed , Mohammed Karmoose , Yasser Gadallah

Efficient and accurate motion prediction is crucial for ensuring safety and informed decision-making in autonomous driving, particularly under dynamic real-world conditions that necessitate multi-modal forecasts. We introduce TrajFlow, a…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Qi Yan , Brian Zhang , Yutong Zhang , Daniel Yang , Joshua White , Di Chen , Jiachao Liu , Langechuan Liu , Binnan Zhuang , Shaoshuai Shi , Renjie Liao

We study the problem of few-shot out-of-distribution (OOD) detection, which aims to detect OOD samples from unseen categories during inference time with only a few labeled in-domain (ID) samples. Existing methods mainly focus on training…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Xinyi Chen , Yaohui Li , Haoxing Chen

When interacting with highly dynamic environments, scene flow allows autonomous systems to reason about the non-rigid motion of multiple independent objects. This is of particular interest in the field of autonomous driving, in which many…

Computer Vision and Pattern Recognition · Computer Science 2020-04-15 Himangi Mittal , Brian Okorn , David Held

Guaranteeing real-time and accurate object detection simultaneously is paramount in autonomous driving environments. However, the existing object detection neural network systems are characterized by a tradeoff between computation time and…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Won Joon Yun , Soohyun Park , Joongheon Kim , David Mohaisen

Multimodal fusion, leveraging data like vision and language, is rapidly gaining traction. This enriched data representation improves performance across various tasks. Existing methods for out-of-distribution (OOD) detection, a critical area…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Jinglun Li , Xinyu Zhou , Kaixun Jiang , Lingyi Hong , Pinxue Guo , Zhaoyu Chen , Weifeng Ge , Wenqiang Zhang

Flow-based Generative Models (FGMs) effectively transform noise into complex data distributions. Incorporating Optimal Transport (OT) to couple noise and data during FGM training has been shown to improve the straightness of flow…

Machine Learning · Computer Science 2025-10-20 Lingkai Kong , Molei Tao , Yang Liu , Bryan Wang , Jinmiao Fu , Chien-Chih Wang , Huidong Liu