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For human pose estimation in still images, this paper proposes three semi- and weakly-supervised learning schemes. While recent advances of convolutional neural networks improve human pose estimation using supervised training data, our…

计算机视觉与模式识别 · 计算机科学 2019-06-05 Norimichi Ukita , Yusuke Uematsu

Human motion prediction is a stochastic process: Given an observed sequence of poses, multiple future motions are plausible. Existing approaches to modeling this stochasticity typically combine a random noise vector with information about…

We propose to leverage Transformer architectures for non-autoregressive human motion prediction. Our approach decodes elements in parallel from a query sequence, instead of conditioning on previous predictions such as instate-of-the-art…

计算机视觉与模式识别 · 计算机科学 2021-09-17 Angel Martínez-González , Michael Villamizar , Jean-Marc Odobez

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

Understanding the camera wearer's activity is central to egocentric vision, yet one key facet of that activity is inherently invisible to the camera--the wearer's body pose. Prior work focuses on estimating the pose of hands and arms when…

计算机视觉与模式识别 · 计算机科学 2016-03-28 Hao Jiang , Kristen Grauman

Accurate 3D human pose estimation from single images is possible with sophisticated deep-net architectures that have been trained on very large datasets. However, this still leaves open the problem of capturing motions for which no such…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Helge Rhodin , Jörg Spörri , Isinsu Katircioglu , Victor Constantin , Frédéric Meyer , Erich Müller , Mathieu Salzmann , Pascal Fua

The problem of determining whether an object is in motion, irrespective of camera motion, is far from being solved. We address this challenging task by learning motion patterns in videos. The core of our approach is a fully convolutional…

计算机视觉与模式识别 · 计算机科学 2017-04-11 Pavel Tokmakov , Karteek Alahari , Cordelia Schmid

Previous works on human motion prediction follow the pattern of building a mapping relation between the sequence observed and the one to be predicted. However, due to the inherent complexity of multivariate time series data, it still…

计算机视觉与模式识别 · 计算机科学 2022-08-03 Xiaoning Sun , Qiongjie Cui , Huaijiang Sun , Bin Li , Weiqing Li , Jianfeng Lu

There exists a multitude of online video tutorials to teach physical movements such as exercises. Yet, users lack support to verify the accuracy of their movements when following such videos and have to rely on their own perception. To…

人机交互 · 计算机科学 2020-10-12 Atima Tharatipyakul , Kenny Choo , Simon T. Perrault

We consider the task of learning to estimate human pose in still images. In order to avoid the high cost of full supervision, we propose to use a diverse data set, which consists of two types of annotations: (i) a small number of images are…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Aditya Arun , C. V. Jawahar , M. Pawan Kumar

This work explores how to use self-supervised learning on videos to learn a class-specific image embedding that encodes pose and shape information. At train time, two frames of the same video of an object class (e.g. human upper body) are…

计算机视觉与模式识别 · 计算机科学 2019-10-29 Olivia Wiles , A. Sophia Koepke , Andrew Zisserman

Human pose forecasting is the task of predicting articulated human motion given past human motion. There exists a number of popular benchmarks that evaluate an array of different models performing human pose forecasting. These benchmarks do…

计算机视觉与模式识别 · 计算机科学 2023-12-07 Maria Priisalu , Ted Kronvall , Cristian Sminchisescu

Camera captured human pose is an outcome of several sources of variation. Performance of supervised 3D pose estimation approaches comes at the cost of dispensing with variations, such as shape and appearance, that may be useful for solving…

计算机视觉与模式识别 · 计算机科学 2020-04-10 Jogendra Nath Kundu , Siddharth Seth , Varun Jampani , Mugalodi Rakesh , R. Venkatesh Babu , Anirban Chakraborty

We present an unsupervised representation learning approach that compactly encodes the motion dependencies in videos. Given a pair of images from a video clip, our framework learns to predict the long-term 3D motions. To reduce the…

计算机视觉与模式识别 · 计算机科学 2017-04-13 Zelun Luo , Boya Peng , De-An Huang , Alexandre Alahi , Li Fei-Fei

Human communication takes many forms, including speech, text and instructional videos. It typically has an underlying structure, with a starting point, ending, and certain objective steps between them. In this paper, we consider…

计算机视觉与模式识别 · 计算机科学 2016-05-12 Ozan Sener , Amir Roshan Zamir , Chenxia Wu , Silvio Savarese , Ashutosh Saxena

Motion is a salient cue to recognize actions in video. Modern action recognition models leverage motion information either explicitly by using optical flow as input or implicitly by means of 3D convolutional filters that simultaneously…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Heng Wang , Du Tran , Lorenzo Torresani , Matt Feiszli

Human pose estimation in images and videos is one of key technologies for realizing a variety of human activity recognition tasks (e.g., human-computer interaction, gesture recognition, surveillance, and video summarization). This paper…

计算机视觉与模式识别 · 计算机科学 2019-01-29 Norimichi Ukita

Human activity recognition is one of the most important tasks in computer vision and has proved useful in different fields such as healthcare, sports training and security. There are a number of approaches that have been explored to solve…

计算机视觉与模式识别 · 计算机科学 2023-05-01 Sheryl Mathew , Annapoorani Subramanian , Pooja , Balamurugan MS , Manoj Kumar Rajagopal

3D human pose and shape estimation from monocular images has been an active research area in computer vision. Existing deep learning methods for this task rely on high-resolution input, which however, is not always available in many…

计算机视觉与模式识别 · 计算机科学 2021-03-12 Xiangyu Xu , Hao Chen , Francesc Moreno-Noguer , Laszlo A. Jeni , Fernando De la Torre

An intuition on human segmentation is that when a human is moving in a video, the video-context (e.g., appearance and motion clues) may potentially infer reasonable mask information for the whole human body. Inspired by this, based on…

计算机视觉与模式识别 · 计算机科学 2018-03-01 Xiaodan Liang , Yunchao Wei , Liang Lin , Yunpeng Chen , Xiaohui Shen , Jianchao Yang , Shuicheng Yan