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Recovering a 3D human mesh from a single RGB image is a challenging task due to depth ambiguity and self-occlusion, resulting in a high degree of uncertainty. Meanwhile, diffusion models have recently seen much success in generating…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Lin Geng Foo , Jia Gong , Hossein Rahmani , Jun Liu

Recent advances in 3D human shape reconstruction from single images have shown impressive results, leveraging on deep networks that model the so-called implicit function to learn the occupancy status of arbitrarily dense 3D points in space.…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Nicolas Ugrinovic , Albert Pumarola , Alberto Sanfeliu , Francesc Moreno-Noguer

In this report, we focus on reconstructing clothed humans in the canonical space given multiple views and poses of a human as the input. To achieve this, we utilize the geometric prior of the SMPLX model in the canonical space to learn the…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Jianchuan Chen , Wentao Yi , Tiantian Wang , Xing Li , Liqian Ma , Yangyu Fan , Huchuan Lu

This work focuses on the problem of reconstructing a 3D human body mesh from a given 2D image. Despite the inherent ambiguity of the task of human mesh recovery, most existing works have adopted a method of regressing a single output. In…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Hanbyel Cho , Junmo Kim

Reconstructing 3D humans from a single image has been extensively investigated. However, existing approaches often fall short on capturing fine geometry and appearance details, hallucinating occluded parts with plausible details, and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Zhenzhen Weng , Jingyuan Liu , Hao Tan , Zhan Xu , Yang Zhou , Serena Yeung-Levy , Jimei Yang

We consider the problem of obtaining dense 3D reconstructions of humans from single and partially occluded views. In such cases, the visual evidence is usually insufficient to identify a 3D reconstruction uniquely, so we aim at recovering…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Benjamin Biggs , Sébastien Ehrhadt , Hanbyul Joo , Benjamin Graham , Andrea Vedaldi , David Novotny

Monocular 3D human pose and shape estimation is an inherently ill-posed problem due to depth ambiguities, occlusions, and truncations. Recent probabilistic approaches learn a distribution over plausible 3D human meshes by maximizing the…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Tom Wehrbein , Marco Rudolph , Bodo Rosenhahn , Bastian Wandt

3D building generation with low data acquisition costs, such as single image-to-3D, becomes increasingly important. However, most of the existing single image-to-3D building creation works are restricted to those images with specific…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Yao Wei , George Vosselman , Michael Ying Yang

We propose a scalable neural network framework to reconstruct the 3D mesh of a human body from multi-view images, in the subspace of the SMPL model. Use of multi-view images can significantly reduce the projection ambiguity of the problem,…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Junbang Liang , Ming C. Lin

Generalizable 3D object reconstruction from single-view RGB-D images remains a challenging task, particularly with real-world data. Current state-of-the-art methods develop Transformer-based implicit field learning, necessitating an…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Yushuang Wu , Luyue Shi , Junhao Cai , Weihao Yuan , Lingteng Qiu , Zilong Dong , Liefeng Bo , Shuguang Cui , Xiaoguang Han

Millimeter-wave (mmWave) radar offers robust sensing capabilities in diverse environments, making it a highly promising solution for human body reconstruction due to its privacy-friendly and non-intrusive nature. However, the significant…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Jiarui Yang , Songpengcheng Xia , Zengyuan Lai , Lan Sun , Qi Wu , Wenxian Yu , Ling Pei

We present PersonaCraft, a framework for controllable and occlusion-robust full-body personalized image synthesis of multiple individuals in complex scenes. Current methods struggle with occlusion-heavy scenarios and complete body…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Gwanghyun Kim , Suh Yoon Jeon , Seunggyu Lee , Se Young Chun

Inferring 3D structures from sparse, unposed observations is challenging due to its unconstrained nature. Recent methods propose to predict implicit representations directly from unposed inputs in a data-driven manner, achieving promising…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Songchun Zhang , Chunhui Zhao

Creating high-quality 3D models of clothed humans from single images for real-world applications is crucial. Despite recent advancements, accurately reconstructing humans in complex poses or with loose clothing from in-the-wild images,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Zechuan Zhang , Zongxin Yang , Yi Yang

Most existing human rendering methods require every part of the human to be fully visible throughout the input video. However, this assumption does not hold in real-life settings where obstructions are common, resulting in only partial…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Adam Sun , Tiange Xiang , Scott Delp , Li Fei-Fei , Ehsan Adeli

Humans can infer the missing parts of an occluded object by leveraging prior knowledge and visible cues. However, enabling deep learning models to accurately predict such occluded regions remains a challenging task. De-occlusion addresses…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Seung Young Noh , Ju Yong Chang

Latent diffusion models (LDMs) have demonstrated remarkable generative capabilities across various low-level vision tasks. However, their potential for point cloud completion remains underexplored due to the unstructured and irregular…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Zijun Li , Hongyu Yan , Shijie Li , Kunming Luo , Li Lu , Xulei Yang , Weisi Lin

Pose-guided person image synthesis task requires re-rendering a reference image, which should have a photorealistic appearance and flawless pose transfer. Since person images are highly structured, existing approaches require dense…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Anant Khandelwal

The three-dimensional reconstruction of scenes from multiple views has made impressive strides in recent years, chiefly by methods correlating isolated feature points, intensities, or curvilinear structure. In the general setting, i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2017-07-14 Anil Usumezbas , Ricardo Fabbri , Benjamin Kimia

Single-image point cloud reconstruction must infer complete 3D geometry, including occluded parts, from a single RGB image. While diffusion-based reconstructors achieve high accuracy, they typically require many denoising iterations,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Yuta Baba , Keiji Yanai