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Estimating motion in videos is an essential computer vision problem with many downstream applications, including controllable video generation and robotics. Current solutions are primarily trained using synthetic data or require tuning of…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Stefan Stojanov , David Wendt , Seungwoo Kim , Rahul Venkatesh , Kevin Feigelis , Jiajun Wu , Daniel LK Yamins

Video representation is a key challenge in many computer vision applications such as video classification, video captioning, and video surveillance. In this paper, we propose a novel approach for video representation that captures…

计算机视觉与模式识别 · 计算机科学 2019-05-14 Mohammadreza Babaee , David Full , Gerhard Rigoll

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

Linear perspectivecues deriving from regularities of the built environment can be used to recalibrate both intrinsic and extrinsic camera parameters online, but these estimates can be unreliable due to irregularities in the scene,…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Yiming Qian , James H. Elder

Optical flow estimation has achieved promising results in conventional scenes but faces challenges in high-speed and low-light scenes, which suffer from motion blur and insufficient illumination. These conditions lead to weakened texture…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Haonan Wang , Hanyu Zhou , Haoyue Liu , Luxin Yan

State-of-the-art video deblurring methods cannot handle blurry videos recorded in dynamic scenes, since they are built under a strong assumption that the captured scenes are static. Contrary to the existing methods, we propose a video…

计算机视觉与模式识别 · 计算机科学 2016-03-15 Tae Hyun Kim , Seungjun Nah , Kyoung Mu Lee

We explore the impact of aperture size and shape on automotive camera systems for deep-learning-based tasks like traffic sign recognition and light state detection. A method is proposed to simulate optical effects using the point spread…

计算机视觉与模式识别 · 计算机科学 2025-01-17 Ofer Bar-Shalom , Tzvi Philipp , Eran Kishon

We use the finite-element method for simulating light transmission through a 2D-periodic array of rectangular apertures in a film of highly conductive material. We report results with a relative error of the transmissivity lower than 0.01%.…

光学 · 物理学 2009-09-22 D. Lockau , L. Zschiedrich , S. Burger

A simulation method based on the liquid crystal response and the human visual system is suitable to characterize motion blur for LCDs but not other display types. We propose a more straightforward and widely applicable method to quantify…

计算机视觉与模式识别 · 计算机科学 2016-02-25 Fuhao Chen , Jun Chen , Feng Huang

Existing video compression (VC) methods primarily aim to reduce the spatial and temporal redundancies between consecutive frames in a video while preserving its quality. In this regard, previous works have achieved remarkable results on…

图像与视频处理 · 电气工程与系统科学 2023-11-09 Dawit Mureja Argaw , Junsik Kim , In So Kweon

We propose a new approach called LiDAR-Flow to robustly estimate a dense scene flow by fusing a sparse LiDAR with stereo images. We take the advantage of the high accuracy of LiDAR to resolve the lack of information in some regions of…

计算机视觉与模式识别 · 计算机科学 2019-12-16 Ramy Battrawy , René Schuster , Oliver Wasenmüller , Qing Rao , Didier Stricker

By placing a diffractive element in front of an image sensor, we are able to multiplex the spectral and angular information of a scene onto the image sensor. Reconstruction of the angular-spectral distribution is attained by first…

光学 · 物理学 2018-02-06 Peng Wang , Rajesh Menon

Making predictions of future frames is a critical challenge in autonomous driving research. Most of the existing methods for video prediction attempt to generate future frames in simple and fixed scenes. In this paper, we propose a novel…

计算机视觉与模式识别 · 计算机科学 2018-06-01 Henglai Wei , Xiaochuan Yin , Penghong Lin

This paper presents a simple, self-supervised method for magnifying subtle motions in video: given an input video and a magnification factor, we manipulate the video such that its new optical flow is scaled by the desired amount. To train…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Zhaoying Pan , Daniel Geng , Andrew Owens

In this paper we derive and test a probability-based weighting that can balance residuals of different types in spline fitting. In contrast to previous formulations, the proposed spline error weighting scheme also incorporates a prediction…

计算机视觉与模式识别 · 计算机科学 2018-04-16 Hannes Ovrén , Per-Erik Forssén

This paper introduces a novel approach for image and video orientation estimation by leveraging depth distribution in natural images. The proposed method estimates the orientation based on the depth distribution across different quadrants…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Muhammad Z. Alam , Larry Stetsiuk , M. Umair Mukati , Zeeshan Kaleem

While single image shadow detection has been improving rapidly in recent years, video shadow detection remains a challenging task due to data scarcity and the difficulty in modelling temporal consistency. The current video shadow detection…

计算机视觉与模式识别 · 计算机科学 2021-08-02 Shilin Hu , Hieu Le , Dimitris Samaras

High frame rate videos are increasingly getting popular in recent years, driven by the strong requirements of the entertainment and streaming industries to provide high quality of experiences to consumers. To achieve the best trade-offs…

多媒体 · 计算机科学 2020-10-22 Pavan C. Madhusudana , Neil Birkbeck , Yilin Wang , Balu Adsumilli , Alan C. Bovik

Video frame interpolation aims to synthesize one or multiple frames between two consecutive frames in a video. It has a wide range of applications including slow-motion video generation, frame-rate up-scaling and developing video codecs.…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Saikat Dutta , Arulkumar Subramaniam , Anurag Mittal

Event cameras respond to scene dynamics and offer advantages to estimate motion. Following recent image-based deep-learning achievements, optical flow estimation methods for event cameras have rushed to combine those image-based methods…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Shintaro Shiba , Yoshimitsu Aoki , Guillermo Gallego