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Creating high-fidelity, animatable 3D dog avatars remains a formidable challenge in computer vision. Unlike human digital doubles, animal reconstruction faces a critical shortage of large-scale, annotated datasets for specialized…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Piotr Borycki , Joanna Waczyńska , Yizhe Zhu , Yongqiang Gao , Przemysław Spurek

Most existing animal pose and shape estimation approaches reconstruct animal meshes with a parametric SMAL model. This is because the low-dimensional pose and shape parameters of the SMAL model makes it easier for deep networks to learn the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-17 Chen Li , Gim Hee Lee

3D shapes provide substantially more information than 2D images. However, the acquisition of 3D shapes is sometimes very difficult or even impossible in comparison with acquiring 2D images, making it necessary to derive the 3D shape from 2D…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Martha Paskin , Daniel Baum , Mason N. Dean , Christoph von Tycowicz

We present a system to recover the 3D shape and motion of a wide variety of quadrupeds from video. The system comprises a machine learning front-end which predicts candidate 2D joint positions, a discrete optimization which finds…

Computer Vision and Pattern Recognition · Computer Science 2018-11-15 Benjamin Biggs , Thomas Roddick , Andrew Fitzgibbon , Roberto Cipolla

We introduce an automatic, end-to-end method for recovering the 3D pose and shape of dogs from monocular internet images. The large variation in shape between dog breeds, significant occlusion and low quality of internet images makes this a…

Computer Vision and Pattern Recognition · Computer Science 2021-02-12 Benjamin Biggs , Oliver Boyne , James Charles , Andrew Fitzgibbon , Roberto Cipolla

3D softwares are now capable of producing highly realistic images that look nearly indistinguishable from the real images. This raises the question: can real datasets be enhanced with 3D rendered data? We investigate this question. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Shesh Narayan Gupta , Nicholas Bear Brown

Recovering the skeletal shape of an animal from a monocular video is a longstanding challenge. Prevailing animal reconstruction methods often adopt a control-point driven animation model and optimize bone transforms individually without…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Yuefan Wu , Zeyuan Chen , Shaowei Liu , Zhongzheng Ren , Shenlong Wang

State-of-the-art approaches toward image restoration can be classified into model-based and learning-based. The former - best represented by sparse coding techniques - strive to exploit intrinsic prior knowledge about the unknown…

Image and Video Processing · Electrical Eng. & Systems 2018-11-29 Fangfang Wu , Weisheng Dong , Guangming Shi , Xin Li

Reconstructing the 3D geometry, pose, and motion of animals is a long-standing problem, which has a wide range of applications, from biology, livestock management, and animal conservation and welfare to content creation in digital…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Ziqi Li , Abderraouf Amrani , Shri Rai , Hamid Laga

While methods that regress 3D human meshes from images have progressed rapidly, the estimated body shapes often do not capture the true human shape. This is problematic since, for many applications, accurate body shape is as important as…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Vasileios Choutas , Lea Muller , Chun-Hao P. Huang , Siyu Tang , Dimitrios Tzionas , Michael J. Black

Standard classification of canine vocalisations is severely limited for assistance dogs, where sample data is sparse and variable across dogs and where capture of the full range of bark types is ethically constrained. We reframe this…

Sound · Computer Science 2025-09-24 Hailin Song , Shelley Brady , Tomás Ward , Alan F. Smeaton

Recent advancements in deep learning have enabled 3D human body reconstruction from a monocular image, which has broad applications in multiple domains. In this paper, we propose SHARP (SHape Aware Reconstruction of People in loose…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Sai Sagar Jinka , Astitva Srivastava , Chandradeep Pokhariya , Avinash Sharma , P. J. Narayanan

We consider the problem of 3D shape recovery from ultra-fast motion-blurred images. While 3D reconstruction from static images has been extensively studied, recovering geometry from extreme motion-blurred images remains challenging. Such…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Fei Yu , Shudan Guo , Shiqing Xin , Beibei Wang , Haisen Zhao , Wenzheng Chen

A pet that goes missing is among many people's worst fears: a moment of distraction is enough for a dog or a cat wandering off from home. Some measures help matching lost animals to their owners; but automated visual recognition is one that…

Computer Vision and Pattern Recognition · Computer Science 2016-08-03 Thierry Pinheiro Moreira , Mauricio Lisboa Perez , Rafael de Oliveira Werneck , Eduardo Valle

We propose an end-to-end unified 3D mesh recovery of humans and quadruped animals trained in a weakly-supervised way. Unlike recent work focusing on a single target class only, we aim to recover 3D mesh of broader classes with a single…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Kim Youwang , Kim Ji-Yeon , Kyungdon Joo , Tae-Hyun Oh

We present the first method to perform automatic 3D pose, shape and texture capture of animals from images acquired in-the-wild. In particular, we focus on the problem of capturing 3D information about Grevy's zebras from a collection of…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Silvia Zuffi , Angjoo Kanazawa , Tanya Berger-Wolf , Michael J. Black

Tool-augmented large language models (LLMs) leverage external functions to extend their capabilities, but inaccurate function calls can lead to inefficiencies and increased costs.Existing methods address this challenge by fine-tuning LLMs…

Computation and Language · Computer Science 2025-08-26 Yixin Chen , Ying Xiong , Shangyu Wu , Yufei Cui , Xue Liu , Nan Guan , Chun Jason Xue

Similar to humans, animals make extensive use of verbal and non-verbal forms of communication, including a large range of audio signals. In this paper, we address dog vocalizations and explore the use of self-supervised speech…

Computation and Language · Computer Science 2024-04-30 Artem Abzaliev , Humberto Pérez Espinosa , Rada Mihalcea

We propose a new technique for estimating spatially varying parametric materials from a single image of an object with unknown shape in unknown illumination. Our method uses a low-order parametric reflectance model, and incorporates strong…

Graphics · Computer Science 2019-12-30 Kevin Karsch , David Forsyth

We propose a novel technique for producing high-quality 3D models that match a given target object image or scan. Our method is based on retrieving an existing shape from a database of 3D models and then deforming its parts to match the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Mikaela Angelina Uy , Vladimir G. Kim , Minhyuk Sung , Noam Aigerman , Siddhartha Chaudhuri , Leonidas Guibas
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