Unsupervised learning of fine structure generation for 3D point clouds by 2D projections matching

C Chen, Z Han, YS Liu… - Proceedings of the ieee …, 2021 - openaccess.thecvf.com
Learning to generate 3D point clouds without 3D supervision is an important but challenging
problem. Current solutions leverage various differentiable renderers to project the generated …

Appearance consensus driven self-supervised human mesh recovery

JN Kundu, M Rakesh, V Jampani… - Computer Vision–ECCV …, 2020 - Springer
We present a self-supervised human mesh recovery framework to infer human pose and
shape from monocular images in the absence of any paired supervision. Recent advances …

DRWR: A differentiable renderer without rendering for unsupervised 3D structure learning from silhouette images

Z Han, C Chen, YS Liu, M Zwicker - arxiv preprint arxiv:2007.06127, 2020 - arxiv.org
Differentiable renderers have been used successfully for unsupervised 3D structure learning
from 2D images because they can bridge the gap between 3D and 2D. To optimize 3D …

Learning local pattern modularization for point cloud reconstruction from unseen classes

C Chen, YS Liu, Z Han - European Conference on Computer Vision, 2024 - Springer
It is challenging to reconstruct 3D point clouds in unseen classes from single 2D images.
Instead of object-centered coordinate system, current methods generalized global priors …

Self-supervised viewpoint learning from image collections

SK Mustikovela, V Jampani, SD Mello… - Proceedings of the …, 2020 - openaccess.thecvf.com
Training deep neural networks to estimate the viewpoint of objects requires large labeled
training datasets. However, manually labeling viewpoints is notoriously hard, error-prone …

From image collections to point clouds with self-supervised shape and pose networks

KL Navaneet, A Mathew, S Kashyap… - Proceedings of the …, 2020 - openaccess.thecvf.com
Reconstructing 3D models from 2D images is one of the fundamental problems in computer
vision. In this work, we propose a deep learning technique for 3D object reconstruction from …

Discovering 3d parts from image collections

CH Yao, WC Hung, V Jampani… - Proceedings of the …, 2021 - openaccess.thecvf.com
Abstract Reasoning 3D shapes from 2D images is an essential yet challenging task,
especially when only single-view images are at our disposal. While an object can have a …

Point2color: 3d point cloud colorization using a conditional generative network and differentiable rendering for airborne lidar

T Shinohara, H **u, M Matsuoka - Proceedings of the IEEE …, 2021 - openaccess.thecvf.com
Airborne LiDAR observations are very effective for providing accurate 3D point clouds, and
archived data are becoming available to the public. In many cases, only geometric …

SeqXY2SeqZ: Structure learning for 3D shapes by sequentially predicting 1D occupancy segments from 2D coordinates

Z Han, G Qiao, YS Liu, M Zwicker - … , Glasgow, UK, August 23–28, 2020 …, 2020 - Springer
Abstract Structure learning for 3D shapes is vital for 3D computer vision. State-of-the-art
methods show promising results by representing shapes using implicit functions in 3D that …

Inferring 3D occupancy fields through implicit reasoning on silhouette images

B Ma, YS Liu, M Zwicker, Z Han - Proceedings of the 32nd ACM …, 2024 - dl.acm.org
Implicit 3D representations have shown great promise in deep learning-based 3D
reconstruction. With differentiable renderers, current methods are able to learn implicit …