English
Related papers

Related papers: An Embeddable Implicit IUVD Representation for Par…

200 papers

Modeling 3D humans accurately and robustly from a single image is very challenging, and the key for such an ill-posed problem is the 3D representation of the human models. To overcome the limitations of regular 3D representations, we…

Computer Vision and Pattern Recognition · Computer Science 2020-12-16 Zerong Zheng , Tao Yu , Yebin Liu , Qionghai Dai

Learning a dense 3D model with fine-scale details from a single facial image is highly challenging and ill-posed. To address this problem, many approaches fit smooth geometries through facial prior while learning details as additional…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Xingyu Ren , Alexandros Lattas , Baris Gecer , Jiankang Deng , Chao Ma , Xiaokang Yang , Stefanos Zafeiriou

3D representation and reconstruction of human bodies have been studied for a long time in computer vision. Traditional methods rely mostly on parametric statistical linear models, limiting the space of possible bodies to linear…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Sandro Lombardi , Bangbang Yang , Tianxing Fan , Hujun Bao , Guofeng Zhang , Marc Pollefeys , Zhaopeng Cui

We present a novel 3D mapping method leveraging the recent progress in neural implicit representation for 3D reconstruction. Most existing state-of-the-art neural implicit representation methods are limited to object-level reconstructions…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Stefan Lionar , Lukas Schmid , Cesar Cadena , Roland Siegwart , Andrei Cramariuc

The objective of this work is to achieve sensorless reconstruction of a 3D volume from a set of 2D freehand ultrasound images with deep implicit representation. In contrast to the conventional way that represents a 3D volume as a discrete…

Image and Video Processing · Electrical Eng. & Systems 2021-12-28 Pak-Hei Yeung , Linde Hesse , Moska Aliasi , Monique Haak , the INTERGROWTH-21st Consortium , Weidi Xie , Ana I. L. Namburete

We propose a novel neural architecture for representing 3D surfaces, which harnesses two complementary shape representations: (i) an explicit representation via an atlas, i.e., embeddings of 2D domains into 3D; (ii) an implicit-function…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Omid Poursaeed , Matthew Fisher , Noam Aigerman , Vladimir G. Kim

Recovering detailed facial geometry from a set of calibrated multi-view images is valuable for its wide range of applications. Traditional multi-view stereo (MVS) methods adopt an optimization-based scheme to regularize the matching cost.…

Computer Vision and Pattern Recognition · Computer Science 2022-05-06 Yunze Xiao , Hao Zhu , Haotian Yang , Zhengyu Diao , Xiangju Lu , Xun Cao

Modeling the shape of garments has received much attention, but most existing approaches assume the garments to be worn by someone, which constrains the range of shapes they can assume. In this work, we address shape recovery when garments…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Ren Li , Corentin Dumery , Zhantao Deng , Pascal Fua

We introduce a new silhouette-based representation for modeling clothed human bodies using deep generative models. Our method can reconstruct a complete and textured 3D model of a person wearing clothes from a single input picture. Inspired…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Ryota Natsume , Shunsuke Saito , Zeng Huang , Weikai Chen , Chongyang Ma , Hao Li , Shigeo Morishima

Estimation of 3D human pose from monocular image has gained considerable attention, as a key step to several human-centric applications. However, generalizability of human pose estimation models developed using supervision on large-scale…

Computer Vision and Pattern Recognition · Computer Science 2020-06-26 Jogendra Nath Kundu , Siddharth Seth , Rahul M , Mugalodi Rakesh , R. Venkatesh Babu , Anirban Chakraborty

We present learning-based implicit shape representations designed for real-time avatar collision queries arising in the simulation of clothing. Signed distance functions (SDFs) have been used for such queries for many years due to their…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Osman Akar , Yushan Han , Yizhou Chen , Weixian Lan , Benn Gallagher , Ronald Fedkiw , Joseph Teran

Recent progress in 4D implicit representation focuses on globally controlling the shape and motion with low dimensional latent vectors, which is prone to missing surface details and accumulating tracking error. While many deep local…

Computer Vision and Pattern Recognition · Computer Science 2022-08-19 Boyan Jiang , Xinlin Ren , Mingsong Dou , Xiangyang Xue , Yanwei Fu , Yinda Zhang

Implicit 3D surface reconstruction of an object from its partial and noisy 3D point cloud scan is the classical geometry processing and 3D computer vision problem. In the literature, various 3D shape representations have been developed,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Atharva Pandey , Vishal Yadav , Rajendra Nagar , Santanu Chaudhury

Human shape estimation is an important task for video editing, animation and fashion industry. Predicting 3D human body shape from natural images, however, is highly challenging due to factors such as variation in human bodies, clothing and…

Computer Vision and Pattern Recognition · Computer Science 2018-08-21 Gül Varol , Duygu Ceylan , Bryan Russell , Jimei Yang , Ersin Yumer , Ivan Laptev , Cordelia Schmid

High fidelity representation of shapes with arbitrary topology is an important problem for a variety of vision and graphics applications. Owing to their limited resolution, classical discrete shape representations using point clouds, voxels…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Rahul Venkatesh , Sarthak Sharma , Aurobrata Ghosh , Laszlo Jeni , Maneesh Singh

Recent advances in implicit function-based approaches have shown promising results in 3D human reconstruction from a single RGB image. However, these methods are not sufficient to extend to more general cases, often generating dragged or…

Computer Vision and Pattern Recognition · Computer Science 2024-01-29 Byoungsung Lim , Seong-Whan Lee

In this paper, we tackle the challenging problem of 3D keypoint estimation of general objects using a novel implicit representation. Previous works have demonstrated promising results for keypoint prediction through direct coordinate…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Xiangyu Zhu , Dong Du , Haibin Huang , Chongyang Ma , Xiaoguang Han

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…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 Akin Caliskan , Armin Mustafa , Evren Imre , Adrian Hilton

Implicit neural representations have emerged as a powerful tool in learning 3D geometry, offering unparalleled advantages over conventional representations like mesh-based methods. A common type of INR implicitly encodes a shape's boundary…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Shen Fan , Przemyslaw Musialski

We aim to simultaneously estimate the 3D articulated pose and high fidelity volumetric occupancy of human performance, from multiple viewpoint video (MVV) with as few as two views. We use a multi-channel symmetric 3D convolutional…

Computer Vision and Pattern Recognition · Computer Science 2020-09-08 Andrew Gilbert , Matthew Trumble , Adrian Hilton , John Collomosse