中文
相关论文

相关论文: Back to Basics: Unsupervised Learning of Optical F…

200 篇论文

This paper shows how to extract dense optical flow from videos with a convolutional neural network (CNN). The proposed model constitutes a potential building block for deeper architectures to allow using motion without resorting to an…

计算机视觉与模式识别 · 计算机科学 2016-01-28 Damien Teney , Martial Hebert

In inverse problems, we often have access to data consisting of paired samples $(x,y)\sim p_{X,Y}(x,y)$ where $y$ are partial observations of a physical system, and $x$ represents the unknowns of the problem. Under these circumstances, we…

机器学习 · 统计学 2020-07-17 Ali Siahkoohi , Gabrio Rizzuti , Philipp A. Witte , Felix J. Herrmann

The key challenge in learning dense correspondences lies in the lack of ground-truth matches for real image pairs. While photometric consistency losses provide unsupervised alternatives, they struggle with large appearance changes, which…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Prune Truong , Martin Danelljan , Fisher Yu , Luc Van Gool

Visual error metrics play a fundamental role in the quantification of perceived image similarity. Most recently, use cases for them in real-time applications have emerged, such as content-adaptive shading and shading reuse to increase…

图形学 · 计算机科学 2023-10-16 João Libório Cardoso , Bernhard Kerbl , Lei Yang , Yury Uralsky , Michael Wimmer

Video classification is productive in many practical applications, and the recent deep learning has greatly improved its accuracy. However, existing works often model video frames indiscriminately, but from the view of motion, video frames…

计算机视觉与模式识别 · 计算机科学 2017-03-28 Yunzhen Zhao , Yuxin Peng

Due to the scarcity of annotated scene flow data, self-supervised scene flow learning in point clouds has attracted increasing attention. In the self-supervised manner, establishing correspondences between two point clouds to approximate…

计算机视觉与模式识别 · 计算机科学 2021-05-19 Ruibo Li , Guosheng Lin , Lihua Xie

The objective of this work is human pose estimation in videos, where multiple frames are available. We investigate a ConvNet architecture that is able to benefit from temporal context by combining information across the multiple frames…

计算机视觉与模式识别 · 计算机科学 2015-11-10 Tomas Pfister , James Charles , Andrew Zisserman

Is a deep learning model capable of understanding systems governed by certain first principle laws by only observing the system's output? Can deep learning learn the underlying physics and honor the physics when making predictions? The…

计算物理 · 物理学 2020-06-11 Rohan Thavarajah , Xiang Zhai , Zheren Ma , David Castineira

A major problem of deep neural networks for image classification is their vulnerability to domain changes at test-time. Recent methods have proposed to address this problem with test-time training (TTT), where a two-branch model is trained…

计算机视觉与模式识别 · 计算机科学 2022-10-21 David Osowiechi , Gustavo A. Vargas Hakim , Mehrdad Noori , Milad Cheraghalikhani , Ismail Ben Ayed , Christian Desrosiers

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.…

计算机视觉与模式识别 · 计算机科学 2022-10-12 Dipan Mandal , Abhilash Jain

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

Optical flow is a regression task where convolutional neural networks (CNNs) have led to major breakthroughs. However, this comes at major computational demands due to the use of cost-volumes and pyramidal representations. This was…

计算机视觉与模式识别 · 计算机科学 2021-02-16 Abdelrahman Eldesokey , Michael Felsberg

Human actions are comprised of a sequence of poses. This makes videos of humans a rich and dense source of human poses. We propose an unsupervised method to learn pose features from videos that exploits a signal which is complementary to…

计算机视觉与模式识别 · 计算机科学 2016-09-20 Senthil Purushwalkam , Abhinav Gupta

We present an unsupervised learning approach for optical flow estimation by improving the upsampling and learning of pyramid network. We design a self-guided upsample module to tackle the interpolation blur problem caused by bilinear…

计算机视觉与模式识别 · 计算机科学 2021-06-03 Kunming Luo , Chuan Wang , Shuaicheng Liu , Haoqiang Fan , Jue Wang , Jian Sun

Generative Flow Networks (GFlowNets) learn to sample states proportional to an unnormalized reward. Despite their theoretical promise, practical training is often unstable, exhibiting severe loss spikes and mode collapse. To tackle this, we…

Depth estimation from light field (LF) images is a fundamental step for numerous applications. Recently, learning-based methods have achieved higher accuracy and efficiency than the traditional methods. However, it is costly to obtain…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Shansi Zhang , Nan Meng , Edmund Y. Lam

Learning reliable motion representation between consecutive frames, such as optical flow, has proven to have great promotion to video understanding. However, the TV-L1 method, an effective optical flow solver, is time-consuming and…

计算机视觉与模式识别 · 计算机科学 2021-03-08 Xiaohang Yang , Lingtong Kong , Jie Yang

Optical flow refers to the visual motion observed between two consecutive images. Since the degree of freedom is typically much larger than the constraints imposed by the image observations, the straightforward formulation of optical flow…

机器学习 · 统计学 2018-08-21 Jie Sun , Fernando J. Quevedo , Erik Bollt

Unsteady flow fields over a circular cylinder are trained and predicted using four different deep learning networks: convolutional neural networks with and without consideration of conservation laws, generative adversarial networks with and…

流体动力学 · 物理学 2019-10-04 Sangseung Lee , Donghyun You

Deep learning algorithms have driven expressive progress in many complex tasks. The loss function is a core component of deep learning techniques, guiding the learning process of neural networks. This paper contributes by introducing a…

计算机视觉与模式识别 · 计算机科学 2024-01-22 André O. Françani , Marcos R. O. A. Maximo
‹ 上一页 1 8 9 10 下一页 ›