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A key challenge in the task of human pose and shape estimation is occlusion, including self-occlusions, object-human occlusions, and inter-person occlusions. The lack of diverse and accurate pose and shape training data becomes a major…

计算机视觉与模式识别 · 计算机科学 2022-03-02 Kaibing Yang , Renshu Gu , Maoyu Wang , Masahiro Toyoura , Gang Xu

Reconstructing high-fidelity hand models with intricate textures plays a crucial role in enhancing human-object interaction and advancing real-world applications. Despite the state-of-the-art methods excelling in texture generation and…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Qijun Gan , Wentong Li , Jinwei Ren , Jianke Zhu

Current state-of-the-art in 3D human pose and shape recovery relies on deep neural networks and statistical morphable body models, such as the Skinned Multi-Person Linear model (SMPL). However, regardless of the advantages of having both…

计算机视觉与模式识别 · 计算机科学 2019-08-09 Meysam Madadi , Hugo Bertiche , Sergio Escalera

Human Mesh Recovery (HMR) is an important yet challenging problem with applications across various domains including motion capture, augmented reality, and biomechanics. Accurately predicting human pose parameters from a single image…

计算机视觉与模式识别 · 计算机科学 2024-11-19 Jaewoo Heo , George Hu , Zeyu Wang , Serena Yeung-Levy

We present an approach to recover absolute 3D human poses from multi-view images by incorporating multi-view geometric priors in our model. It consists of two separate steps: (1) estimating the 2D poses in multi-view images and (2)…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Haibo Qiu , Chunyu Wang , Jingdong Wang , Naiyan Wang , Wenjun Zeng

Reinforcement Learning from Human Feedback (RLHF) is the standard method to align Large Language Models (LLMs) with human preferences. In this work, we introduce alignment tampering, a potential vulnerability where the LLM undergoing…

人工智能 · 计算机科学 2026-05-27 Dongyoon Hahm , Dylan Hadfield-Menell , Kimin Lee

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.…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Nicolas Ugrinovic , Albert Pumarola , Alberto Sanfeliu , Francesc Moreno-Noguer

3D human body reconstruction from monocular images is an interesting and ill-posed problem in computer vision with wider applications in multiple domains. In this paper, we propose SHARP, a novel end-to-end trainable network that accurately…

计算机视觉与模式识别 · 计算机科学 2021-11-24 Sai Sagar Jinka , Rohan Chacko , Astitva Srivastava , Avinash Sharma , P. J. Narayanan

3D pose estimation from a single 2D image is an important and challenging task in computer vision with applications in autonomous driving, robot manipulation and augmented reality. Since 3D pose is a continuous quantity, a natural…

计算机视觉与模式识别 · 计算机科学 2018-05-10 Siddharth Mahendran , Haider Ali , Rene Vidal

This paper presents a novel self-supervised approach to reconstruct human shape and pose from noisy point cloud data. Relying on large amount of dataset with ground-truth annotations, recent learning-based approaches predict correspondences…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Xinxin Zuo , Sen Wang , Qiang Sun , Minglun Gong , Li Cheng

While the problem of estimating shapes and diffuse reflectances of human faces from images has been extensively studied, there is relatively less work done on recovering the specular albedo. This paper presents a lightweight solution for…

计算机视觉与模式识别 · 计算机科学 2019-11-28 Guoxian Song , Jianmin Zheng , Jianfei Cai , Tat-Jen Cham

This study addresses the problem of 3D human mesh reconstruction from multi-view images. Recently, approaches that directly estimate the skinned multi-person linear model (SMPL)-based human mesh vertices based on volumetric heatmap…

计算机视觉与模式识别 · 计算机科学 2023-06-30 Sungho Chun , Sungbum Park , Ju Yong Chang

Open-world 3D generation has recently attracted considerable attention. While many single-image-to-3D methods have yielded visually appealing outcomes, they often lack sufficient controllability and tend to produce hallucinated regions that…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Chao Xu , Ang Li , Linghao Chen , Yulin Liu , Ruoxi Shi , Hao Su , Minghua Liu

This paper proposes the use of an end-to-end Convolutional Neural Network for direct reconstruction of the 3D geometry of humans via volumetric regression. The proposed method does not require the fitting of a shape model and can be trained…

计算机视觉与模式识别 · 计算机科学 2018-09-12 Aaron S. Jackson , Chris Manafas , Georgios Tzimiropoulos

Multi-frame human pose estimation has long been a compelling and fundamental problem in computer vision. This task is challenging due to fast motion and pose occlusion that frequently occur in videos. State-of-the-art methods strive to…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Zhenguang Liu , Runyang Feng , Haoming Chen , Shuang Wu , Yixing Gao , Yunjun Gao , Xiang Wang

In this work, we present a deep convolutional pyramid person matching network (PPMN) with specially designed Pyramid Matching Module to address the problem of person re-identification. The architecture takes a pair of RGB images as input,…

计算机视觉与模式识别 · 计算机科学 2018-03-08 Chaojie Mao , Yingming Li , Zhongfei Zhang , Yaqing Zhang , Xi Li

We present a novel method to improve the accuracy of the 3D reconstruction of clothed human shape from a single image. Recent work has introduced volumetric, implicit and model-based shape learning frameworks for reconstruction of objects…

计算机视觉与模式识别 · 计算机科学 2020-09-30 Akin Caliskan , Armin Mustafa , Evren Imre , Adrian Hilton

An emerging problem in computer vision is the reconstruction of 3D shape and pose of an object from a single image. Hitherto, the problem has been addressed through the application of canonical deep learning methods to regress from the…

计算机视觉与模式识别 · 计算机科学 2017-07-27 Rui Zhu , Hamed Kiani Galoogahi , Chaoyang Wang , Simon Lucey

Text-based person retrieval aims to identify the specific persons using textual descriptions as queries. Existing ad vanced methods typically depend on vision-language pre trained (VLP) models to facilitate effective cross-modal alignment.…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Bin Kang , Bin Chen , Junjie Wang , Yong Xu

Recently, video-based person re-identification (re-ID) has drawn increasing attention in compute vision community because of its practical application prospects. Due to the inaccurate person detections and pose changes, pedestrian…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Guoqing Zhang , Yuhao Chen , Yang Dai , Yuhui Zheng , Yi Wu