中文
相关论文

相关论文: PatchBatch: a Batch Augmented Loss for Optical Flo…

200 篇论文

Recently, self-supervised representation learning gives further development in multimedia technology. Most existing self-supervised learning methods are applicable to packaged data. However, when it comes to streamed data, they are…

计算机视觉与模式识别 · 计算机科学 2022-11-03 Zhiwei Lin , Yongtao Wang , Hongxiang Lin

In multiphase flow systems, classifying flow patterns is crucial to optimize fluid dynamics and enhance system efficiency. Current industrial methods and scientific laboratories mainly depend on techniques such as flow visualization using…

机器学习 · 计算机科学 2025-02-27 Nian Ran , Fayez M. Al-Alweet , Richard Allmendinger , Ahmad Almakhlafi

Real-time high-accuracy optical flow estimation is critical for a variety of real-world robotic applications. However, current learning-based methods often struggle to balance accuracy and computational efficiency: methods that achieve high…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Zhiyong Zhang , Aniket Gupta , Huaizu Jiang , Hanumant Singh

We tackle the problem of estimating optical flow from a monocular camera in the context of autonomous driving. We build on the observation that the scene is typically composed of a static background, as well as a relatively small number of…

计算机视觉与模式识别 · 计算机科学 2016-08-24 Min Bai , Wenjie Luo , Kaustav Kundu , Raquel Urtasun

Optical flow estimation aims to find the 2D motion field by identifying corresponding pixels between two images. Despite the tremendous progress of deep learning-based optical flow methods, it remains a challenge to accurately estimate…

计算机视觉与模式识别 · 计算机科学 2022-04-01 Xiuchao Sui , Shaohua Li , Xue Geng , Yan Wu , Xinxing Xu , Yong Liu , Rick Goh , Hongyuan Zhu

Sparse optical flow is widely used in various computer vision tasks, however assuming brightness consistency limits its performance in High Dynamic Range (HDR) environments. In this work, a lightweight network is used to extract…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Yicheng Lin , Shuo Wang , Yunlong Jiang , Bin Han

Two optical flow estimation problems are addressed: i) occlusion estimation and handling, and ii) estimation from image sequences longer than two frames. The proposed ContinualFlow method estimates occlusions before flow, avoiding the use…

计算机视觉与模式识别 · 计算机科学 2018-11-06 Michal Neoral , Jan Šochman , Jiří Matas

Autonomous vehicle navigation is a key challenge in artificial intelligence, requiring robust and accurate decision-making processes. This research introduces a new end-to-end method that exploits multimodal information from a single…

计算机视觉与模式识别 · 计算机科学 2024-09-20 Fouad Makiyeh , Mark Bastourous , Anass Bairouk , Wei Xiao , Mirjana Maras , Tsun-Hsuan Wangb , Marc Blanchon , Ramin Hasani , Patrick Chareyre , Daniela Rus

Identifying Out-of-distribution (OOD) data is becoming increasingly critical as the real-world applications of deep learning methods expand. Post-hoc methods modify softmax scores fine-tuned on outlier data or leverage intermediate feature…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Saandeep Aathreya , Shaun Canavan

The cost volume, capturing the similarity of possible correspondences across two input images, is a key ingredient in state-of-the-art optical flow approaches. When sampling correspondences to build the cost volume, a large neighborhood…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Huaizu Jiang , Erik Learned-Miller

Convolutional Neural Networks (CNN) have been found to have great potential in optical flow problems thanks to an abundance of data available for training a deep network. The displacement estimation step in UltraSound Elastography (USE) can…

图像与视频处理 · 电气工程与系统科学 2020-07-06 Ali K. Z. Tehrani , Morteza Mirzaei , Hassan Rivaz

Standard frame-based cameras that sample light intensity frames are heavily impacted by motion blur for high-speed motion and fail to perceive scene accurately when the dynamic range is high. Event-based cameras, on the other hand, overcome…

计算机视觉与模式识别 · 计算机科学 2021-03-22 Chankyu Lee , Adarsh Kumar Kosta , Kaushik Roy

Efficiently selecting an appropriate spike stream data length to extract precise information is the key to the spike vision tasks. To address this issue, we propose a dynamic timing representation for spike streams. Based on multi-layers…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Lujie Xia , Ziluo Ding , Rui Zhao , Jiyuan Zhang , Lei Ma , Zhaofei Yu , Tiejun Huang , Ruiqin Xiong

Recent advances in single-frame object detection and segmentation techniques have motivated a wide range of works to extend these methods to process video streams. In this paper, we explore the idea of hard attention aimed for…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Yuning Chai

Event-based cameras are raising interest within the computer vision community. These sensors operate with asynchronous pixels, emitting events, or "spikes", when the luminance change at a given pixel since the last event surpasses a certain…

计算机视觉与模式识别 · 计算机科学 2023-05-18 Javier Cuadrado , Ulysse Rançon , Benoît Cottereau , Francisco Barranco , Timothée Masquelier

Conditional Flow Matching (CFM), a simulation-free method for training continuous normalizing flows, provides an efficient alternative to diffusion models for key tasks like image and video generation. The performance of CFM in solving…

机器学习 · 计算机科学 2026-03-17 Aram Davtyan , Leello Tadesse Dadi , Volkan Cevher , Paolo Favaro

Scene flow estimation has been receiving increasing attention for 3D environment perception. Monocular scene flow estimation -- obtaining 3D structure and 3D motion from two temporally consecutive images -- is a highly ill-posed problem,…

计算机视觉与模式识别 · 计算机科学 2020-04-17 Junhwa Hur , Stefan Roth

Estimating continuous optical flow is a fundamental yet challenging problem in dynamic visual perception. Event-based cameras, with microsecond latency and high dynamic range, capture brightness changes asynchronously, offering a unique…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Rui Hu , Song Wu , Wen Yang , Jinjian Wu

Over the past decades, state-of-the-art medical image segmentation has heavily rested on signal processing paradigms, most notably registration-based label propagation and pair-wise patch comparison, which are generally slow despite a high…

计算机视觉与模式识别 · 计算机科学 2018-07-17 Zhongliu Xie , Duncan Gillies

In this paper we propose a novel framework for learning local image descriptors in a discriminative manner. For this purpose we explore a siamese architecture of Deep Convolutional Neural Networks (CNN), with a Hinge embedding loss on the…

计算机视觉与模式识别 · 计算机科学 2015-02-27 Edgar Simo-Serra , Eduard Trulls , Luis Ferraz , Iasonas Kokkinos , Francesc Moreno-Noguer