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We propose a deep video prediction model conditioned on a single image and an action class. To generate future frames, we first detect keypoints of a moving object and predict future motion as a sequence of keypoints. The input image is…

计算机视觉与模式识别 · 计算机科学 2019-10-07 Yunji Kim , Seonghyeon Nam , In Cho , Seon Joo Kim

Visual place recognition (VPR) using deep networks has achieved state-of-the-art performance. However, most of them require a training set with ground truth sensor poses to obtain positive and negative samples of each observation's spatial…

计算机视觉与模式识别 · 计算机科学 2024-11-21 Chao Chen , Zegang Cheng , Xinhao Liu , Yiming Li , Li Ding , Ruoyu Wang , Chen Feng

We use multilayer Long Short Term Memory (LSTM) networks to learn representations of video sequences. Our model uses an encoder LSTM to map an input sequence into a fixed length representation. This representation is decoded using single or…

机器学习 · 计算机科学 2016-01-05 Nitish Srivastava , Elman Mansimov , Ruslan Salakhutdinov

Diffusion models have made significant strides in image generation, mastering tasks such as unconditional image synthesis, text-image translation, and image-to-image conversions. However, their capability falls short in the realm of video…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Gaurav Shrivastava , Abhinav Shrivastava

Video Anomaly Detection(VAD) has been traditionally tackled in two main methodologies: the reconstruction-based approach and the prediction-based one. As the reconstruction-based methods learn to generalize the input image, the model merely…

计算机视觉与模式识别 · 计算机科学 2022-06-20 Joo-Yeon Lee , Woo-Jeoung Nam , Seong-Whan Lee

Unsupervised learning poses one of the most difficult challenges in computer vision today. The task has an immense practical value with many applications in artificial intelligence and emerging technologies, as large quantities of unlabeled…

计算机视觉与模式识别 · 计算机科学 2019-05-28 Ioana Croitoru , Simion-Vlad Bogolin , Marius Leordeanu

Distinguishing if an action is performed as intended or if an intended action fails is an important skill that not only humans have, but that is also important for intelligent systems that operate in human environments. Recognizing if an…

计算机视觉与模式识别 · 计算机科学 2022-09-27 Olga Zatsarynna , Yazan Abu Farha , Juergen Gall

Enabling computational systems with the ability to localize actions in video-based content has manifold applications. Traditionally, such a problem is approached in a fully-supervised setting where video-clips with complete frame-by-frame…

计算机视觉与模式识别 · 计算机科学 2019-05-07 Kurt Degiorgio , Fabio Cuzzolin

We propose a strong baseline model for unsupervised feature learning using video data. By learning to predict missing frames or extrapolate future frames from an input video sequence, the model discovers both spatial and temporal…

机器学习 · 计算机科学 2016-05-05 MarcAurelio Ranzato , Arthur Szlam , Joan Bruna , Michael Mathieu , Ronan Collobert , Sumit Chopra

All organisms make temporal predictions, and their evolutionary fitness level depends on the accuracy of these predictions. In the context of visual perception, the motions of both the observer and objects in the scene structure the…

机器学习 · 统计学 2024-11-05 Pierre-Étienne H. Fiquet , Eero P. Simoncelli

We consider the task of estimating 3D human pose and shape from videos. While existing frame-based approaches have made significant progress, these methods are independently applied to each image, thereby often leading to inconsistent…

计算机视觉与模式识别 · 计算机科学 2021-09-08 Yun-Chun Chen , Marco Piccirilli , Robinson Piramuthu , Ming-Hsuan Yang

Understanding human motion is crucial for accurate pedestrian trajectory prediction. Conventional methods typically rely on supervised learning, where ground-truth labels are directly optimized against predicted trajectories. This amplifies…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Yizhou Huang , Yihua Cheng , Kezhi Wang

We propose a self-supervised framework to learn scene representations from video that are automatically delineated into background, characters, and their animations. Our method capitalizes on moving characters being equivariant with respect…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Cinjon Resnick , Or Litany , Cosmas Heiß , Hugo Larochelle , Joan Bruna , Kyunghyun Cho

Extracting physical dynamical system parameters from recorded observations is key in natural science. Current methods for automatic parameter estimation from video train supervised deep networks on large datasets. Such datasets require…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Alejandro Castañeda Garcia , Jan van Gemert , Daan Brinks , Nergis Tömen

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…

计算机视觉与模式识别 · 计算机科学 2018-08-22 Olivia Wiles , A. Sophia Koepke , Andrew Zisserman

We present an efficient method for detecting anomalies in videos. Recent applications of convolutional neural networks have shown promises of convolutional layers for object detection and recognition, especially in images. However,…

计算机视觉与模式识别 · 计算机科学 2017-01-09 Yong Shean Chong , Yong Haur Tay

Video self-supervised learning is a challenging task, which requires significant expressive power from the model to leverage rich spatial-temporal knowledge and generate effective supervisory signals from large amounts of unlabeled videos.…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Yang Liu , Keze Wang , Lingbo Liu , Haoyuan Lan , Liang Lin

We propose a novel self-supervised method, referred to as Video Cloze Procedure (VCP), to learn rich spatial-temporal representations. VCP first generates "blanks" by withholding video clips and then creates "options" by applying…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Dezhao Luo , Chang Liu , Yu Zhou , Dongbao Yang , Can Ma , Qixiang Ye , Weiping Wang

We propose a new way of incorporating temporal information present in videos into Spatial Convolutional Neural Networks (ConvNets) trained on images, that avoids training Spatio-Temporal ConvNets from scratch. We describe several…

计算机视觉与模式识别 · 计算机科学 2015-03-26 Elman Mansimov , Nitish Srivastava , Ruslan Salakhutdinov

This paper introduces a novel self-learning framework that automates the label acquisition process for improving models for detecting players in broadcast footage of sports games. Unlike most previous self-learning approaches for improving…

计算机视觉与模式识别 · 计算机科学 2013-07-30 Kenji Okuma , David G. Lowe , James J. Little
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