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We present a fast bottom-up method that jointly detects over 100 keypoints on humans or objects, also referred to as human/object pose estimation. We model all keypoints belonging to a human or an object -- the pose -- as a graph and…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Duncan Zauss , Sven Kreiss , Alexandre Alahi

We consider the problem of computing accurate point-to-point correspondences among a set of human face scans with varying expressions. Our fully automatic approach does not require any manually placed markers on the scan. Instead, the…

Computer Vision and Pattern Recognition · Computer Science 2015-03-30 Augusto Salazar , Stefanie Wuhrer , Chang Shu , Flavio Prieto

Facial expression recognition is vital for human behavior analysis, and deep learning has enabled models that can outperform humans. However, it is unclear how closely they mimic human processing. This study aims to explore the similarity…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 F. Xavier Gaya-Morey , Silvia Ramis-Guarinos , Cristina Manresa-Yee , Jose M. Buades-Rubio

We present a zero-shot framework for transferring human facial expressions to 3D animal face meshes. Our method combines intrinsic geometric descriptors (HKS/WKS) with a mesh-agnostic latent embedding that disentangles facial identity and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Yue Wang , Lawrence Amadi , Xiang Gao , Yazheng Chen , Yuanpeng Liu , Ning Lu , Xianfeng Gu

We present techniques for improving performance driven facial animation, emotion recognition, and facial key-point or landmark prediction using learned identity invariant representations. Established approaches to these problems can work…

Computer Vision and Pattern Recognition · Computer Science 2016-05-24 David Rim , Sina Honari , Md Kamrul Hasan , Chris Pal

Current best local descriptors are learned on a large dataset of matching and non-matching keypoint pairs. However, data of this kind is not always available since detailed keypoint correspondences can be hard to establish. On the other…

Computer Vision and Pattern Recognition · Computer Science 2019-05-08 Nenad Markuš , Igor S. Pandžić , Jörgen Ahlberg

We introduce an approach for image segmentation based on sparse correspondences between keypoints in testing and training images. Keypoints represent automatically identified distinctive image locations, where each keypoint correspondence…

Computer Vision and Pattern Recognition · Computer Science 2018-06-25 Christian Wachinger , Matthew Toews , Georg Langs , William Wells , Polina Golland

The ability of humans to infer head poses from face shapes, and vice versa, indicates a strong correlation between the two. Accordingly, recent studies on face alignment have employed head pose information to predict facial landmarks in…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Jaehyun So , Youngjoon Han

Recent work has established the ecological importance of developing algorithms for identifying animals individually from images. Typically, a separate algorithm is trained for each species, a natural step but one that creates significant…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Lasha Otarashvili , Tamilselvan Subramanian , Jason Holmberg , J. J. Levenson , Charles V. Stewart

Interpersonal relation defines the association, e.g., warm, friendliness, and dominance, between two or more people. Motivated by psychological studies, we investigate if such fine-grained and high-level relation traits can be characterized…

Computer Vision and Pattern Recognition · Computer Science 2017-11-07 Zhanpeng Zhang , Ping Luo , Chen Change Loy , Xiaoou Tang

In this paper, we describe our algorithmic approach, which was used for submissions in the fifth Emotion Recognition in the Wild (EmotiW 2017) group-level emotion recognition sub-challenge. We extracted feature vectors of detected faces…

Computer Vision and Pattern Recognition · Computer Science 2017-11-07 Alexandr G. Rassadin , Alexey S. Gruzdev , Andrey V. Savchenko

As a significant step for human face modeling, editing, and generation, face landmarking aims at extracting facial keypoints from images. A generalizable face landmarker is required in practice because real-world facial images, e.g., the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Jiayi Liang , Haotian Liu , Hongteng Xu , Dixin Luo

Quantification of behavior is critical in applications ranging from neuroscience, veterinary medicine and animal conservation efforts. A common key step for behavioral analysis is first extracting relevant keypoints on animals, known as…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Shaokai Ye , Anastasiia Filippova , Jessy Lauer , Steffen Schneider , Maxime Vidal , Tian Qiu , Alexander Mathis , Mackenzie Weygandt Mathis

The term attribute transfer refers to the tasks of altering images in such a way, that the semantic interpretation of a given input image is shifted towards an intended direction, which is quantified by semantic attributes. Prominent…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Ricard Durall , Franz-Josef Pfreundt , Janis Keuper

Learning embeddings that are invariant to the pose of the object is crucial in visual image retrieval and re-identification. The existing approaches for person, vehicle, or animal re-identification tasks suffer from high intra-class…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Olga Moskvyak , Frederic Maire , Feras Dayoub , Mahsa Baktashmotlagh

We show that even when face images are unconstrained and arbitrarily paired, face swapping between them is actually quite simple. To this end, we make the following contributions. (a) Instead of tailoring systems for face segmentation, as…

Computer Vision and Pattern Recognition · Computer Science 2017-04-25 Yuval Nirkin , Iacopo Masi , Anh Tuan Tran , Tal Hassner , Gerard Medioni

While pose estimation is an important computer vision task, it requires expensive annotation and suffers from domain shift. In this paper, we investigate the problem of domain adaptive 2D pose estimation that transfers knowledge learned on…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Donghyun Kim , Kaihong Wang , Kate Saenko , Margrit Betke , Stan Sclaroff

General mammal pose estimation is an important and challenging task in computer vision, which is essential for understanding mammal behaviour in real-world applications. However, existing studies are at their preliminary research stage,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Tianyang Xu , Jiyong Rao , Xiaoning Song , Zhenhua Feng , Xiao-Jun Wu

Facial Key Points (FKPs) Detection is an important and challenging problem in the fields of computer vision and machine learning. It involves predicting the co-ordinates of the FKPs, e.g. nose tip, center of eyes, etc, for a given face. In…

Computer Vision and Pattern Recognition · Computer Science 2017-10-06 Naimish Agarwal , Artus Krohn-Grimberghe , Ranjana Vyas

Facial recognition has always been a challeng- ing task for computer vision scientists and experts. Despite complexities arising due to variations in camera parameters, illumination and face orientations, significant progress has been made…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Saumya Kumaar , Abhinandan Dogra , Abrar Majeedi , Hanan Gani , Ravi M. Vishwanath , S N Omkar