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Although considerable advancements have been attained in self-supervised depth estimation from monocular videos, most existing methods often treat all objects in a video as static entities, which however violates the dynamic nature of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Xiuzhe Wu , Xiaoyang Lyu , Qihao Huang , Yong Liu , Yang Wu , Ying Shan , Xiaojuan Qi

The increasing demand for high-accuracy depth estimation in autonomous driving and augmented reality applications necessitates advanced neural architectures capable of effectively leveraging multiple data modalities. In this context, we…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Joseph Emmanuel DL Dayo , Prospero C. Naval

Estimating the pose of a moving camera from monocular video is a challenging problem, especially due to the presence of moving objects in dynamic environments, where the performance of existing camera pose estimation methods are susceptible…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Wang Zhao , Shaohui Liu , Hengkai Guo , Wenping Wang , Yong-Jin Liu

We present a method to reconstruct a dense spatio-temporal depth map of a non-rigidly deformable object directly from a video sequence. The estimation of depth is performed locally on spatio-temporal patches of the video, and then the full…

Computer Vision and Pattern Recognition · Computer Science 2020-06-22 Matteo Pedone , Abdelrahman Mostafa , Janne heikkilä

We learn to compute optical flow by combining a classical spatial-pyramid formulation with deep learning. This estimates large motions in a coarse-to-fine approach by warping one image of a pair at each pyramid level by the current flow…

Computer Vision and Pattern Recognition · Computer Science 2016-11-22 Anurag Ranjan , Michael J. Black

We present a method to reconstruct the three-dimensional trajectory of a moving instance of a known object category using stereo video data. We track the two-dimensional shape of objects on pixel level exploiting instance-aware semantic…

Computer Vision and Pattern Recognition · Computer Science 2018-08-29 Sebastian Bullinger , Christoph Bodensteiner , Michael Arens , Rainer Stiefelhagen

Estimating a dense depth map from a single view is geometrically ill-posed, and state-of-the-art methods rely on learning depth's relation with visual appearance using deep neural networks. On the other hand, Structure from Motion (SfM)…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Sergio Izquierdo , Javier Civera

Conventionally, spatiotemporal modeling network and its complexity are the two most concentrated research topics in video action recognition. Existing state-of-the-art methods have achieved excellent accuracy regardless of the complexity…

Computer Vision and Pattern Recognition · Computer Science 2021-01-06 Wenhao Wu , Dongliang He , Tianwei Lin , Fu Li , Chuang Gan , Errui Ding

We propose GeoNet, a jointly unsupervised learning framework for monocular depth, optical flow and ego-motion estimation from videos. The three components are coupled by the nature of 3D scene geometry, jointly learned by our framework in…

Computer Vision and Pattern Recognition · Computer Science 2018-03-13 Zhichao Yin , Jianping Shi

Many objects, especially these made by humans, are symmetric, e.g. cars and aeroplanes. This paper addresses the estimation of 3D structures of symmetric objects from multiple images of the same object category, e.g. different cars, seen…

Computer Vision and Pattern Recognition · Computer Science 2016-09-23 Yuan Gao , Alan Yuille

Our goal in this work is to generate realistic videos given just one initial frame as input. Existing unsupervised approaches to this task do not consider the fact that a video typically shows a 3D environment, and that this should remain…

Computer Vision and Pattern Recognition · Computer Science 2021-06-18 Paul Henderson , Christoph H. Lampert , Bernd Bickel

Recently, flow-based frame interpolation methods have achieved great success by first modeling optical flow between target and input frames, and then building synthesis network for target frame generation. However, above cascaded…

Computer Vision and Pattern Recognition · Computer Science 2022-11-14 Lingtong Kong , Jinfeng Liu , Jie Yang

In this paper, we show that transferring knowledge from other domains of video understanding combined with large-scale learning can improve robustness of Video Object Segmentation (VOS) under complex circumstances. Namely, we focus on…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Volodymyr Fedynyak , Yaroslav Romanus , Oles Dobosevych , Igor Babin , Roman Riazantsev

We propose DFPNet -- an unsupervised, joint learning system for monocular Depth, Optical Flow and egomotion (Camera Pose) estimation from monocular image sequences. Due to the nature of 3D scene geometry these three components are coupled.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Dipan Mandal , Abhilash Jain

This paper proposes a new framework for semantic segmentation of objects in videos. We address the label inconsistency problem of deep convolutional neural networks (DCNNs) by exploiting the fact that videos have multiple frames; in a few…

Computer Vision and Pattern Recognition · Computer Science 2017-11-23 Seong-Jin Park , Ki-Sang Hong

Video object detection is more challenging compared to image object detection. Previous works proved that applying object detector frame by frame is not only slow but also inaccurate. Visual clues get weakened by defocus and motion blur,…

Computer Vision and Pattern Recognition · Computer Science 2017-12-19 Congrui Hetang , Hongwei Qin , Shaohui Liu , Junjie Yan

Neural surface reconstruction methods typically treat camera poses as fixed values, assuming perfect accuracy from Structure-from-Motion (SfM) systems. This assumption breaks down with imperfect pose estimates, leading to distorted or…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Shravan Venkatraman , Rakesh Raj Madavan , Pavan Kumar Sathya Venkatesh

We propose a self-supervised framework for learning facial attributes by simply watching videos of a human face speaking, laughing, and moving over time. To perform this task, we introduce a network, Facial Attributes-Net (FAb-Net), that is…

Computer Vision and Pattern Recognition · Computer Science 2018-08-22 Olivia Wiles , A. Sophia Koepke , Andrew Zisserman

Active 3D measurement, especially structured light (SL) has been widely used in various fields for its robustness against textureless or equivalent surfaces by low light illumination. In addition, reconstruction of large scenes by moving…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Kazuto Ichimaru , Diego Thomas , Takafumi Iwaguchi , Hiroshi Kawasaki

Monocular dense 3D reconstruction of deformable objects is a hard ill-posed problem in computer vision. Current techniques either require dense correspondences and rely on motion and deformation cues, or assume a highly accurate…

Computer Vision and Pattern Recognition · Computer Science 2019-08-07 Vladislav Golyanik , Soshi Shimada , Kiran Varanasi , Didier Stricker
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