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We propose the Variational Shape Learner (VSL), a generative model that learns the underlying structure of voxelized 3D shapes in an unsupervised fashion. Through the use of skip-connections, our model can successfully learn and infer a…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Shikun Liu , C. Lee Giles , Alexander G. Ororbia

We aim to build image generation models that generalize to new domains from few examples. To this end, we first investigate the generalization properties of classic image generators, and discover that autoencoders generalize extremely well…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Davis Wertheimer , Omid Poursaeed , Bharath Hariharan

We introduce a method to generate 3D scenes that are disentangled into their component objects. This disentanglement is unsupervised, relying only on the knowledge of a large pretrained text-to-image model. Our key insight is that objects…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Dave Epstein , Ben Poole , Ben Mildenhall , Alexei A. Efros , Aleksander Holynski

Parametric models of humans, faces, hands and animals have been widely used for a range of tasks such as image-based reconstruction, shape correspondence estimation, and animation. Their key strength is the ability to factor surface…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Keyang Zhou , Bharat Lal Bhatnagar , Gerard Pons-Moll

We present an approach that learns to synthesize high-quality, novel views of 3D objects or scenes, while providing fine-grained and precise control over the 6-DOF viewpoint. The approach is self-supervised and only requires 2D images and…

计算机视觉与模式识别 · 计算机科学 2019-09-10 Xu Chen , Jie Song , Otmar Hilliges

Cellular electron cryo-tomography enables the 3D visualization of cellular organization in the near-native state and at submolecular resolution. However, the contents of cellular tomograms are often complex, making it difficult to…

定量方法 · 定量生物学 2017-12-29 Xiangrui Zeng , Miguel Ricardo Leung , Tzviya Zeev-Ben-Mordehai , Min Xu

In recent years, there has been significant progress in 2D generative face models fueled by applications such as animation, synthetic data generation, and digital avatars. However, due to the absence of 3D information, these 2D models often…

We provide a series of results for unsupervised learning with autoencoders. Specifically, we study shallow two-layer autoencoder architectures with shared weights. We focus on three generative models for data that are common in statistical…

机器学习 · 统计学 2019-02-18 Thanh V. Nguyen , Raymond K. W. Wong , Chinmay Hegde

Inferring 3D structure of a generic object from a 2D image is a long-standing objective of computer vision. Conventional approaches either learn completely from CAD-generated synthetic data, which have difficulty in inference from real…

计算机视觉与模式识别 · 计算机科学 2021-04-05 Feng Liu , Luan Tran , Xiaoming Liu

Non-parametric face modeling aims to reconstruct 3D face only from images without shape assumptions. While plausible facial details are predicted, the models tend to over-depend on local color appearance and suffer from ambiguous noise. To…

计算机视觉与模式识别 · 计算机科学 2021-06-16 Zhenyu Zhang , Yanhao Ge , Renwang Chen , Ying Tai , Yan Yan , Jian Yang , Chengjie Wang , Jilin Li , Feiyue Huang

This paper presents a "learning to learn" approach to figure-ground image segmentation. By exploring webly-abundant images of specific visual effects, our method can effectively learn the visual-effect internal representations in an…

计算机视觉与模式识别 · 计算机科学 2018-12-21 Ding-Jie Chen , Jui-Ting Chien , Hwann-Tzong Chen , Tyng-Luh Liu

Understanding three-dimensional (3D) geometries from two-dimensional (2D) images without any labeled information is promising for understanding the real world without incurring annotation cost. We herein propose a novel generative model,…

计算机视觉与模式识别 · 计算机科学 2020-05-26 Atsuhiro Noguchi , Tatsuya Harada

In this paper, we propose a new deep learning-based approach for disentangling face identity representations from expressive 3D faces. Given a 3D face, our approach not only extracts a disentangled identity representation but also generates…

计算机视觉与模式识别 · 计算机科学 2021-04-22 Anis Kacem , Kseniya Cherenkova , Djamila Aouada

We present an approach to infer the 3D shape, texture, and camera pose for an object from a single RGB image, using only category-level image collections with foreground masks as supervision. We represent the shape as an image-conditioned…

计算机视觉与模式识别 · 计算机科学 2020-07-17 Shubham Tulsiani , Nilesh Kulkarni , Abhinav Gupta

Disentangled representations can be useful in many downstream tasks, help to make deep learning models more interpretable, and allow for control over features of synthetically generated images that can be useful in training other models…

计算机视觉与模式识别 · 计算机科学 2021-03-22 Aadhithya Sankar , Matthias Keicher , Rami Eisawy , Abhijeet Parida , Franz Pfister , Seong Tae Kim , Nassir Navab

Unsupervised learning of 3D human faces from unstructured 2D image data is an active research area. While recent works have achieved an impressive level of photorealism, they commonly lack control of lighting, which prevents the generated…

计算机视觉与模式识别 · 计算机科学 2023-04-27 Boyang Deng , Yifan Wang , Gordon Wetzstein

This study builds on the architecture of the Disentangler of Visual Priors (DVP), a type of autoencoder that learns to interpret scenes by decomposing the perceived objects into independent visual aspects of shape, size, orientation, and…

计算机视觉与模式识别 · 计算机科学 2025-06-11 Antoni Nowinowski , Krzysztof Krawiec

We study the problem of self-supervised structured representation learning using autoencoders for downstream tasks such as generative modeling. Unlike most methods which rely on matching an arbitrary, relatively unstructured, prior…

机器学习 · 计算机科学 2024-02-16 Felix Leeb , Guilia Lanzillotta , Yashas Annadani , Michel Besserve , Stefan Bauer , Bernhard Schölkopf

We infer and generate three-dimensional (3D) scene information from a single input image and without supervision. This problem is under-explored, with most prior work relying on supervision from, e.g., 3D ground-truth, multiple images of a…

计算机视觉与模式识别 · 计算机科学 2020-04-20 Sai Rajeswar , Fahim Mannan , Florian Golemo , Jérôme Parent-Lévesque , David Vazquez , Derek Nowrouzezahrai , Aaron Courville

The unification of low-level perception and high-level reasoning is a long-standing problem in artificial intelligence, which has the potential to not only bring the areas of logic and learning closer together but also demonstrate how…

人工智能 · 计算机科学 2019-11-27 Anton Fuxjaeger , Vaishak Belle