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Auto-regressive models have achieved impressive results in 2D image generation by modeling joint distributions in grid space. In this paper, we extend auto-regressive models to 3D domains, and seek a stronger ability of 3D shape generation…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Xuelin Qian , Yu Wang , Simian Luo , Yinda Zhang , Ying Tai , Zhenyu Zhang , Chengjie Wang , Xiangyang Xue , Bo Zhao , Tiejun Huang , Yunsheng Wu , Yanwei Fu

Generating 3D scenes from human motion sequences supports numerous applications, including virtual reality and architectural design. However, previous auto-regression-based human-aware 3D scene generation methods have struggled to…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Xiaolin Hong , Hongwei Yi , Fazhi He , Qiong Cao

2D portrait animation has experienced significant advancements in recent years. Much research has utilized the prior knowledge embedded in large generative diffusion models to enhance high-quality image manipulation. However, most methods…

计算机视觉与模式识别 · 计算机科学 2025-01-16 Xinya Ji , Gaspard Zoss , Prashanth Chandran , Lingchen Yang , Xun Cao , Barbara Solenthaler , Derek Bradley

3D shape generation is a challenging problem due to the high-dimensional output space and complex part configurations of real-world objects. As a result, existing algorithms experience difficulties in accurate generative modeling of 3D…

计算机视觉与模式识别 · 计算机科学 2019-06-11 Salman H. Khan , Yulan Guo , Munawar Hayat , Nick Barnes

The paradigm shift toward structure-driven molecule generation has been propelled by advances in deep generative models, such as variational auto-encoders and diffusion models. However, these generative models for molecular design remain…

机器学习 · 计算机科学 2026-04-17 Peidong Liu , Wenbo Zhang , Wei Ju , Jiancheng Lv , Xianggen Liu

Generative models aim to learn the distribution of observed data by generating new instances. With the advent of neural networks, deep generative models, including variational autoencoders (VAEs), generative adversarial networks (GANs), and…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Zifan Shi , Sida Peng , Yinghao Xu , Andreas Geiger , Yiyi Liao , Yujun Shen

Numerous methods have been proposed for probabilistic generative modelling of 3D objects. However, none of these is able to produce textured objects, which renders them of limited use for practical tasks. In this work, we present the first…

计算机视觉与模式识别 · 计算机科学 2020-04-10 Paul Henderson , Vagia Tsiminaki , Christoph H. Lampert

This paper introduces a pioneering 3D volumetric encoder designed for text-to-3D generation. To scale up the training data for the diffusion model, a lightweight network is developed to efficiently acquire feature volumes from multi-view…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Zhicong Tang , Shuyang Gu , Chunyu Wang , Ting Zhang , Jianmin Bao , Dong Chen , Baining Guo

We study the problem of 3D object generation. We propose a novel framework, namely 3D Generative Adversarial Network (3D-GAN), which generates 3D objects from a probabilistic space by leveraging recent advances in volumetric convolutional…

计算机视觉与模式识别 · 计算机科学 2017-01-05 Jiajun Wu , Chengkai Zhang , Tianfan Xue , William T. Freeman , Joshua B. Tenenbaum

We present BlockFusion, a diffusion-based model that generates 3D scenes as unit blocks and seamlessly incorporates new blocks to extend the scene. BlockFusion is trained using datasets of 3D blocks that are randomly cropped from complete…

计算机视觉与模式识别 · 计算机科学 2024-05-27 Zhennan Wu , Yang Li , Han Yan , Taizhang Shang , Weixuan Sun , Senbo Wang , Ruikai Cui , Weizhe Liu , Hiroyuki Sato , Hongdong Li , Pan Ji

A crucial ability of human intelligence is to build up models of individual 3D objects from partial scene observations. Recent works achieve object-centric generation but without the ability to infer the representation, or achieve 3D scene…

机器学习 · 计算机科学 2021-07-05 Chang Chen , Fei Deng , Sungjin Ahn

We propose a method to generate 3D shapes using point clouds. Given a point-cloud representation of a 3D shape, our method builds a kd-tree to spatially partition the points. This orders them consistently across all shapes, resulting in…

计算机视觉与模式识别 · 计算机科学 2017-07-21 Matheus Gadelha , Subhransu Maji , Rui Wang

Existing 3D-aware image synthesis approaches mainly focus on generating a single canonical object and show limited capacity in composing a complex scene containing a variety of objects. This work presents DisCoScene: a 3Daware generative…

计算机视觉与模式识别 · 计算机科学 2022-12-23 Yinghao Xu , Menglei Chai , Zifan Shi , Sida Peng , Ivan Skorokhodov , Aliaksandr Siarohin , Ceyuan Yang , Yujun Shen , Hsin-Ying Lee , Bolei Zhou , Sergey Tulyakov

We introduce a novel framework to build a model that can learn how to segment objects from a collection of images without any human annotation. Our method builds on the observation that the location of object segments can be perturbed…

计算机视觉与模式识别 · 计算机科学 2019-11-05 Adam Bielski , Paolo Favaro

3D generative shape modeling is a fundamental research area in computer vision and interactive computer graphics, with many real-world applications. This paper investigates the novel problem of generating 3D shape point cloud geometry from…

计算机视觉与模式识别 · 计算机科学 2020-07-17 Kaichun Mo , He Wang , Xinchen Yan , Leonidas J. Guibas

With the recent development of generative models, Text-to-3D generations have also seen significant growth, opening a door for creating video-game 3D assets from a more general public. Nonetheless, people without any professional 3D editing…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Zhaoning Wang , Ming Li , Chen Chen

Although the recent rapid evolution of 3D generative neural networks greatly improves 3D shape generation, it is still not convenient for ordinary users to create 3D shapes and control the local geometry of generated shapes. To address…

计算机视觉与模式识别 · 计算机科学 2023-05-10 Xin-Yang Zheng , Hao Pan , Peng-Shuai Wang , Xin Tong , Yang Liu , Heung-Yeung Shum

High-level shape understanding and technique evaluation on large repositories of 3D shapes often benefit from additional information known about the shapes. One example of such information is the semantic segmentation of a shape into…

计算机视觉与模式识别 · 计算机科学 2018-07-18 David George , Xianguha Xie , Yu-Kun Lai , Gary KL Tam

Robots operating in human environments must be able to rearrange objects into semantically-meaningful configurations, even if these objects are previously unseen. In this work, we focus on the problem of building physically-valid structures…

机器人学 · 计算机科学 2023-04-26 Weiyu Liu , Yilun Du , Tucker Hermans , Sonia Chernova , Chris Paxton

Controllable generation of 3D assets is important for many practical applications like content creation in movies, games and engineering, as well as in AR/VR. Recently, diffusion models have shown remarkable results in generation quality of…

计算机视觉与模式识别 · 计算机科学 2024-08-01 Philipp Schröppel , Christopher Wewer , Jan Eric Lenssen , Eddy Ilg , Thomas Brox