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Reference-guided image generation has progressed rapidly, yet current diffusion models still struggle to preserve fine-grained visual details when refining a generated image using a reference. This limitation arises because VAE-based latent…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Yaoli Liu , Ziheng Ouyang , Shengtao Lou , Yiren Song

Reconstructing a 3D hand mesh from a single RGB image is challenging due to complex articulations, self-occlusions, and depth ambiguities. Traditional discriminative methods, which learn a deterministic mapping from a 2D image to a single…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Muhammad Usama Saleem , Ekkasit Pinyoanuntapong , Mayur Jagdishbhai Patel , Hongfei Xue , Ahmed Helmy , Srijan Das , Pu Wang

We present a new multi-stream 3D mesh reconstruction network (MSMR-Net) for hand pose estimation from a single RGB image. Our model consists of an image encoder followed by a mesh-convolution decoder composed of connected graph convolution…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Uri Wollner , Guy Ben-Yosef

Reconstructing high-fidelity 3D hands from egocentric monocular videos remains a challenge due to the limitations in capturing high-resolution geometry, hand-object interactions, and complex objects on hands. Additionally, existing methods…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Haoyu Zhu , Yi Zhang , Lei Yao , Lap-pui Chau , Yi Wang

Direct mesh editing and deformation are key components in the geometric modeling and animation pipeline. Mesh editing methods are typically framed as optimization problems combining user-specified vertex constraints with a regularizer that…

图形学 · 计算机科学 2024-08-05 Tianhao Xie , Eugene Belilovsky , Sudhir Mudur , Tiberiu Popa

3D hand pose estimation methods have made significant progress recently. However, the estimation accuracy is often far from sufficient for specific real-world applications, and thus there is significant room for improvement. This paper…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Mohammad Rezaei , Razieh Rastgoo , Vassilis Athitsos

We develop a rotation equivariant model for generating 3D hand meshes from 2D RGB images. This guarantees that as the input image of a hand is rotated the generated mesh undergoes a corresponding rotation. Furthermore, this removes…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Joshua Mitton , Chaitanya Kaul , Roderick Murray-Smith

Low-cost consumer depth cameras and deep learning have enabled reasonable 3D hand pose estimation from single depth images. In this paper, we present an approach that estimates 3D hand pose from regular RGB images. This task has far more…

计算机视觉与模式识别 · 计算机科学 2017-10-17 Christian Zimmermann , Thomas Brox

Hand pose estimation has matured rapidly in recent years. The introduction of commodity depth sensors and a multitude of practical applications have spurred new advances. We provide an extensive analysis of the state-of-the-art, focusing on…

计算机视觉与模式识别 · 计算机科学 2015-05-08 James Steven Supancic , Gregory Rogez , Yi Yang , Jamie Shotton , Deva Ramanan

Handle-based mesh deformation is a classic paradigm in computer graphics which enables intuitive edits from sparse controls. Classical techniques are fast and precise, but require users to know ideal handle placement apriori, which can be…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Richard Liu , Itai Lang , Rana Hanocka

Multi-fingered hands are emerging as powerful platforms for performing fine manipulation tasks, including tool use. However, environmental perturbations or execution errors can impede task performance, motivating the use of recovery…

机器人学 · 计算机科学 2025-10-09 Abhinav Kumar , Fan Yang , Sergio Aguilera Marinovic , Soshi Iba , Rana Soltani Zarrin , Dmitry Berenson

Non-parametric mesh reconstruction has recently shown significant progress in 3D hand and body applications. In these methods, mesh vertices and edges are visible to neural networks, enabling the possibility to establish a direct mapping…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Shijian Jiang , Guwen Han , Danhang Tang , Yang Zhou , Xiang Li , Jiming Chen , Qi Ye

Tremendous amounts of expensive annotated data are a vital ingredient for state-of-the-art 3d hand pose estimation. Therefore, synthetic data has been popularized as annotations are automatically available. However, models trained only with…

计算机视觉与模式识别 · 计算机科学 2018-07-17 Masoud Abdi , Ehsan Abbasnejad , Chee Peng Lim , Saeid Nahavandi

Restoring real-world degraded images, such as old photographs or low-resolution images, presents a significant challenge due to the complex, mixed degradations they exhibit, such as scratches, color fading, and noise. Recent data-driven…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Peng Xiao , Hongbo Zhao , Yijun Wang , Jianxin Lin

Fully-supervised category-level pose estimation aims to determine the 6-DoF poses of unseen instances from known categories, requiring expensive mannual labeling costs. Recently, various self-supervised category-level pose estimation…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Jingtao Sun , Yaonan Wang , Mingtao Feng , Chao Ding , Mike Zheng Shou , Ajmal Saeed Mian

This paper presents DiffSurf, a transformer-based denoising diffusion model for generating and reconstructing 3D surfaces. Specifically, we design a diffusion transformer architecture that predicts noise from noisy 3D surface vertices and…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Yusuke Yoshiyasu , Leyuan Sun

Many Multi-View-Stereo algorithms extract a 3D mesh model of a scene, after fusing depth maps into a volumetric representation of the space. Due to the limited scalability of such representations, the estimated model does not capture fine…

计算机视觉与模式识别 · 计算机科学 2019-05-23 Andrea Romanoni , Matteo Matteucci

Dense reconstructions often contain errors that prior work has so far minimised using high quality sensors and regularising the output. Nevertheless, errors still persist. This paper proposes a machine learning technique to identify errors…

计算机视觉与模式识别 · 计算机科学 2018-01-31 Michael Tanner , Stefan Saftescu , Alex Bewley , Paul Newman

Hands, one of the most dynamic parts of our body, suffer from blur due to their active movements. However, previous 3D hand mesh recovery methods have mainly focused on sharp hand images rather than considering blur due to the absence of…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Yeonguk Oh , JoonKyu Park , Jaeha Kim , Gyeongsik Moon , Kyoung Mu Lee

The amount and quality of datasets and tools available in the research field of hand pose and shape estimation act as evidence to the significant progress that has been made.However, even the datasets of the highest quality, reported to…

计算机视觉与模式识别 · 计算机科学 2022-01-10 Giorgos Karvounas , Nikolaos Kyriazis , Iason Oikonomidis , Aggeliki Tsoli , Antonis A. Argyros