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Deep artificial neural networks require a large corpus of training data in order to effectively learn, where collection of such training data is often expensive and laborious. Data augmentation overcomes this issue by artificially inflating…

Machine Learning · Computer Science 2017-08-22 Luke Taylor , Geoff Nitschke

Constructing and animating humans is an important component for building virtual worlds in a wide variety of applications such as virtual reality or robotics testing in simulation. As there are exponentially many variations of humans with…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Ze Yang , Shenlong Wang , Sivabalan Manivasagam , Zeng Huang , Wei-Chiu Ma , Xinchen Yan , Ersin Yumer , Raquel Urtasun

Contributions of recent deep-neural-network (DNN) based techniques have been playing a significant role in human-computer interaction (HCI) and user interface (UI) domains. One of the commonly used DNNs is human pose estimation. This kind…

Machine Learning · Computer Science 2019-02-13 Kohei Toyoda , Michinari Kono , Jun Rekimoto

Deep learning approaches have become the standard solution to many problems in computer vision and robotics, but obtaining sufficient training data in high enough quality is challenging, as human labor is error prone, time consuming, and…

Machine Learning · Computer Science 2021-06-16 Jan Blumenkamp , Andreas Baude , Tim Laue

People detection methods are highly sensitive to the perpetual occlusions among the targets. As multi-camera set-ups become more frequently encountered, joint exploitation of the across views information would allow for improved detection…

Computer Vision and Pattern Recognition · Computer Science 2017-07-31 Tatjana Chavdarova , Pierre Baqué , Stéphane Bouquet , Andrii Maksai , Cijo Jose , Louis Lettry , Pascal Fua , Luc Van Gool , François Fleuret

This paper addresses the problem of human body detection---particularly a human body lying on the ground (a.k.a. casualty)---using point cloud data. This ability to detect a casualty is one of the most important features of mobile rescue…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Roni Permana Saputra , Nemanja Rakicevic , Petar Kormushev

In video surveillance applications, person search is a challenging task consisting in detecting people and extracting features from their silhouette for re-identification (re-ID) purpose. We propose a new end-to-end model that jointly…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Angelique Loesch , Jaonary Rabarisoa , Romaric Audigier

Crowd analysis via computer vision techniques is an important topic in the field of video surveillance, which has wide-spread applications including crowd monitoring, public safety, space design and so on. Pixel-wise crowd understanding is…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Qi Wang , Junyu Gao , Wei Lin , Yuan Yuan

Accurate estimation of anthropometric body measurements from RGB images has many potential applications in industrial design, online clothing, medical diagnosis and ergonomics. Research on this topic is limited by the fact that there exist…

Computer Vision and Pattern Recognition · Computer Science 2021-01-08 Song Yan , Joni-Kristian Kämäräinen

The rapid progress in machine learning methods has been empowered by i) huge datasets that have been collected and annotated, ii) improved engineering (e.g. data pre-processing/normalization). The existing datasets typically include several…

Computer Vision and Pattern Recognition · Computer Science 2018-01-23 Grigorios G. Chrysos , Yannis Panagakis , Stefanos Zafeiriou

We propose Human Pose Models that represent RGB and depth images of human poses independent of clothing textures, backgrounds, lighting conditions, body shapes and camera viewpoints. Learning such universal models requires training images…

Computer Vision and Pattern Recognition · Computer Science 2018-05-02 Jian Liu , Naveed Akhtar , Ajmal Mian

This paper addresses the problem of 3D human pose estimation in the wild. A significant challenge is the lack of training data, i.e., 2D images of humans annotated with 3D poses. Such data is necessary to train state-of-the-art CNN…

Computer Vision and Pattern Recognition · Computer Science 2018-02-13 Grégory Rogez , Cordelia Schmid

One of the biggest challenges in machine learning is data collection. Training data is an important part since it determines how the model will behave. In object classification, capturing a large number of images per object and in different…

Computer Vision and Pattern Recognition · Computer Science 2022-12-12 August Baaz , Yonan Yonan , Kevin Hernandez-Diaz , Fernando Alonso-Fernandez , Felix Nilsson

Person re-identification has seen significant advancement in recent years. However, the ability of learned models to generalize to unknown target domains still remains limited. One possible reason for this is the lack of large-scale and…

Computer Vision and Pattern Recognition · Computer Science 2020-08-17 Yanan Wang , Shengcai Liao , Ling Shao

This paper focuses on addressing the problem of data scarcity for gait analysis. Standard augmentation methods may produce gait sequences that are not consistent with the biomechanical constraints of human walking. To address this issue, we…

Computer Vision and Pattern Recognition · Computer Science 2023-07-24 Mritula Chandrasekaran , Jarek Francik , Dimitrios Makris

Recent advancements in computer vision have seen a rise in the prominence of applications using neural networks to understand human poses. However, while accuracy has been steadily increasing on State-of-the-Art datasets, these datasets…

Computer Vision and Pattern Recognition · Computer Science 2022-06-10 Ghazal Alinezhad Noghre , Armin Danesh Pazho , Justin Sanchez , Nathan Hewitt , Christopher Neff , Hamed Tabkhi

Data augmentation is a widely used technique in classification to increase data used in training. It improves generalization and reduces amount of annotated human activity data needed for training which reduces labour and time needed with…

Machine Learning · Computer Science 2021-09-07 Sandeep Ramachandra , Alexander Hoelzemann , Kristof Van Laerhoven

Data seems cheap to get, and in many ways it is, but the process of creating a high quality labeled dataset from a mass of data is time-consuming and expensive. With the advent of rich 3D repositories, photo-realistic rendering systems…

Computer Vision and Pattern Recognition · Computer Science 2016-09-09 Yair Movshovitz-Attias , Takeo Kanade , Yaser Sheikh

Predicting where people can walk in a scene is important for many tasks, including autonomous driving systems and human behavior analysis. Yet learning a computational model for this purpose is challenging due to semantic ambiguity and a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-21 Jin Sun , Hadar Averbuch-Elor , Qianqian Wang , Noah Snavely

This paper proposes a dataset augmentation method by fine-tuning pre-trained diffusion models. Generating images using a pre-trained diffusion model with textual conditioning often results in domain discrepancy between real data and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Abdullah Al Rahat , Hemanth Venkateswara