activity
20192024
most citedPointNeXt: Revisiting PointNet++ with Improved Training and Scaling Strategies

418 citations · 811 across the 14 of their papers we have counts for

collaborators

14 papers

cs.CV2024★ 1 cited

TrackNeRF: Bundle Adjusting NeRF from Sparse and Noisy Views via Feature Tracks

Jinjie Mai, Wenxuan Zhu, Sara Rojas +6

Neural radiance fields (NeRFs) generally require many images with accurate poses for accurate novel view synthesis, which does not reflect realistic setups where views can be spars…

cs.CV2024★ 3 cited

GES: Generalized Exponential Splatting for Efficient Radiance Field Rendering

Abdullah Hamdi, Luke Melas-Kyriazi, Jinjie Mai +5

Advancements in 3D Gaussian Splatting have significantly accelerated 3D reconstruction and generation. However, it may require a large number of Gaussians, which creates a substant…

cs.CV2024★ 1 cited

DrNet: Dynamic Reversible Dual-Residual Networks for Memory-Efficient Finetuning

Chen Zhao, Shuming Liu, Karttikeya Mangalam +5

Large pretrained models are increasingly crucial in modern computer vision tasks. These models are typically used in downstream tasks by end-to-end finetuning, which is highly memo…

cs.CV2023★ 75 cited

Magic123: One Image to High-Quality 3D Object Generation Using Both 2D and 3D Diffusion Priors

Guocheng Qian, Jinjie Mai, Abdullah Hamdi +8

We present Magic123, a two-stage coarse-to-fine approach for high-quality, textured 3D meshes generation from a single unposed image in the wild using both2D and 3D priors. In the…

cs.CV2023★ 4 cited

Exploring Open-Vocabulary Semantic Segmentation without Human Labels

Jun Chen, Deyao Zhu, Guocheng Qian +6

Semantic segmentation is a crucial task in computer vision that involves segmenting images into semantically meaningful regions at the pixel level. However, existing approaches oft…

cs.AI2023★ 10 cited

LLM as A Robotic Brain: Unifying Egocentric Memory and Control

Jinjie Mai, Jun Chen, Bing Li +3

Embodied AI focuses on the study and development of intelligent systems that possess a physical or virtual embodiment (i.e. robots) and are able to dynamically interact with their…

cs.CV2022★ 2 cited

Pix4Point: Image Pretrained Standard Transformers for 3D Point Cloud Understanding

Guocheng Qian, Abdullah Hamdi, Xingdi Zhang +1

While Transformers have achieved impressive success in natural language processing and computer vision, their performance on 3D point clouds is relatively poor. This is mainly due…

cs.CV2022★ 418 cited

PointNeXt: Revisiting PointNet++ with Improved Training and Scaling Strategies

Guocheng Qian, Yuchen Li, Houwen Peng +4

PointNet++ is one of the most influential neural architectures for point cloud understanding. Although the accuracy of PointNet++ has been largely surpassed by recent networks such…

cs.AI2022

When NAS Meets Trees: An Efficient Algorithm for Neural Architecture Search

Guocheng Qian, Xuanyang Zhang, Guohao Li +5

The key challenge in neural architecture search (NAS) is designing how to explore wisely in the huge search space. We propose a new NAS method called TNAS (NAS with trees), which i…

cs.CV2021★ 40 cited

ASSANet: An Anisotropic Separable Set Abstraction for Efficient Point Cloud Representation Learning

Guocheng Qian, Hasan Abed Al Kader Hammoud, Guohao Li +2

Access to 3D point cloud representations has been widely facilitated by LiDAR sensors embedded in various mobile devices. This has led to an emerging need for fast and accurate poi…

cs.CV2019★ 27 cited

PU-GCN: Point Cloud Upsampling using Graph Convolutional Networks

Guocheng Qian, Abdulellah Abualshour, Guohao Li +2

The effectiveness of learning-based point cloud upsampling pipelines heavily relies on the upsampling modules and feature extractors used therein. For the point upsampling module,…

cs.LG2019★ 12 cited

SGAS: Sequential Greedy Architecture Search

Guohao Li, Guocheng Qian, Itzel C. Delgadillo +3

Architecture design has become a crucial component of successful deep learning. Recent progress in automatic neural architecture search (NAS) shows a lot of promise. However, disco…

cs.CV2019★ 216 cited

DeepGCNs: Making GCNs Go as Deep as CNNs

Guohao Li, Matthias Müller, Guocheng Qian +4

Convolutional Neural Networks (CNNs) have been very successful at solving a variety of computer vision tasks such as object classification and detection, semantic segmentation, act…

eess.IV2019★ 2 cited

Rethinking Learning-based Demosaicing, Denoising, and Super-Resolution Pipeline

Guocheng Qian, Yuanhao Wang, Jinjin Gu +4

Imaging is usually a mixture problem of incomplete color sampling, noise degradation, and limited resolution. This mixture problem is typically solved by a sequential solution that…