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The recent success in human action recognition with deep learning methods mostly adopt the supervised learning paradigm, which requires significant amount of manually labeled data to achieve good performance. However, label collection is an…

计算机视觉与模式识别 · 计算机科学 2018-09-07 Junnan Li , Yongkang Wong , Qi Zhao , Mohan S. Kankanhalli

Recent implicit neural rendering methods have demonstrated that it is possible to learn accurate view synthesis for complex scenes by predicting their volumetric density and color supervised solely by a set of RGB images. However, existing…

计算机视觉与模式识别 · 计算机科学 2021-03-08 Julian Ost , Fahim Mannan , Nils Thuerey , Julian Knodt , Felix Heide

We propose a new representation of visual data that disentangles object position from appearance. Our method, termed Deep Latent Particles (DLP), decomposes the visual input into low-dimensional latent ``particles'', where each particle is…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Tal Daniel , Aviv Tamar

We present a large-scale study on unsupervised spatiotemporal representation learning from videos. With a unified perspective on four recent image-based frameworks, we study a simple objective that can easily generalize all these methods to…

计算机视觉与模式识别 · 计算机科学 2021-04-30 Christoph Feichtenhofer , Haoqi Fan , Bo Xiong , Ross Girshick , Kaiming He

Though action recognition in videos has achieved great success recently, it remains a challenging task due to the massive computational cost. Designing lightweight networks is a possible solution, but it may degrade the recognition…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Wenhao Wu , Dongliang He , Xiao Tan , Shifeng Chen , Yi Yang , Shilei Wen

Video super-resolution aims at generating a high-resolution video from its low-resolution counterpart. With the rapid rise of deep learning, many recently proposed video super-resolution methods use convolutional neural networks in…

计算机视觉与模式识别 · 计算机科学 2020-01-07 Xiaohong Liu , Lingshi Kong , Yang Zhou , Jiying Zhao , Jun Chen

This paper addresses the task of segmenting moving objects in unconstrained videos. We introduce a novel two-stream neural network with an explicit memory module to achieve this. The two streams of the network encode spatial and temporal…

计算机视觉与模式识别 · 计算机科学 2017-07-13 Pavel Tokmakov , Karteek Alahari , Cordelia Schmid

In this paper, we tackle the problem of learning visual representations from unlabeled scene-centric data. Existing works have demonstrated the potential of utilizing the underlying complex structure within scene-centric data; still, they…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Xin Wen , Bingchen Zhao , Anlin Zheng , Xiangyu Zhang , Xiaojuan Qi

Self-supervised learning has been successfully applied to pre-train video representations, which aims at efficient adaptation from pre-training domain to downstream tasks. Existing approaches merely leverage contrastive loss to learn…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Yuanze Lin , Xun Guo , Yan Lu

Most self-supervised video representation learning approaches focus on action recognition. In contrast, in this paper we focus on self-supervised video learning for movie understanding and propose a novel hierarchical self-supervised…

计算机视觉与模式识别 · 计算机科学 2022-04-08 Fanyi Xiao , Kaustav Kundu , Joseph Tighe , Davide Modolo

We propose an approach for learning category-level semantic segmentation purely from image-level classification tags indicating presence of categories. It exploits localization cues that emerge from training classification-tasked…

计算机视觉与模式识别 · 计算机科学 2016-12-07 Mohammadreza Mostajabi , Nicholas Kolkin , Gregory Shakhnarovich

In this paper, we are interested in self-supervised learning the motion cues in videos using dynamic motion filters for a better motion representation to finally boost human action recognition in particular. Thus far, the vision community…

计算机视觉与模式识别 · 计算机科学 2019-04-26 Ali Diba , Vivek Sharma , Luc Van Gool , Rainer Stiefelhagen

Visual concept discovery has long been deemed important to improve interpretability of neural networks, because a bank of semantically meaningful concepts would provide us with a starting point for building machine learning models that…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Haiyang Huang , Zhi Chen , Cynthia Rudin

Semantic scene segmentation has primarily been addressed by forming representations of single images both with supervised and unsupervised methods. The problem of semantic segmentation in dynamic scenes has begun to recently receive…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Li Ding , Jack Terwilliger , Rini Sherony , Bryan Reimer , Lex Fridman

Intelligent behaviour in the real-world requires the ability to acquire new knowledge from an ongoing sequence of experiences while preserving and reusing past knowledge. We propose a novel algorithm for unsupervised representation learning…

We demonstrate model-based, visual robot manipulation of linear deformable objects. Our approach is based on a state-space representation of the physical system that the robot aims to control. This choice has multiple advantages, including…

机器人学 · 计算机科学 2020-10-07 Mengyuan Yan , Yilin Zhu , Ning Jin , Jeannette Bohg

From video, we reconstruct a neural volume that captures time-varying color, density, scene flow, semantics, and attention information. The semantics and attention let us identify salient foreground objects separately from the background…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Yiqing Liang , Eliot Laidlaw , Alexander Meyerowitz , Srinath Sridhar , James Tompkin

Self-supervised representation learning targets to learn convnet-based image representations from unlabeled data. Inspired by the success of NLP methods in this area, in this work we propose a self-supervised approach based on spatially…

计算机视觉与模式识别 · 计算机科学 2020-02-28 Spyros Gidaris , Andrei Bursuc , Nikos Komodakis , Patrick Pérez , Matthieu Cord

Self-supervised monocular depth estimation presents a powerful method to obtain 3D scene information from single camera images, which is trainable on arbitrary image sequences without requiring depth labels, e.g., from a LiDAR sensor. In…

计算机视觉与模式识别 · 计算机科学 2020-07-22 Marvin Klingner , Jan-Aike Termöhlen , Jonas Mikolajczyk , Tim Fingscheidt

Visual localization techniques rely upon some underlying scene representation to localize against. These representations can be explicit such as 3D SFM map or implicit, such as a neural network that learns to encode the scene. The former…

计算机视觉与模式识别 · 计算机科学 2024-06-13 Maxime Pietrantoni , Gabriela Csurka , Martin Humenberger , Torsten Sattler