Search Results for author: Guohao Li

Found 28 papers, 13 papers with code

3D Face Modeling via Weakly-supervised Disentanglement Network joint Identity-consistency Prior

1 code implementation25 Apr 2024 Guohao Li, Hongyu Yang, Di Huang, Yunhong Wang

Generative 3D face models featuring disentangled controlling factors hold immense potential for diverse applications in computer vision and computer graphics.

The Snowflake Hypothesis: Training Deep GNN with One Node One Receptive field

no code implementations19 Aug 2023 Kun Wang, Guohao Li, Shilong Wang, Guibin Zhang, Kai Wang, Yang You, Xiaojiang Peng, Yuxuan Liang, Yang Wang

Despite Graph Neural Networks demonstrating considerable promise in graph representation learning tasks, GNNs predominantly face significant issues with over-fitting and over-smoothing as they go deeper as models of computer vision realm.

Graph Representation Learning

How To Not Train Your Dragon: Training-free Embodied Object Goal Navigation with Semantic Frontiers

no code implementations26 May 2023 Junting Chen, Guohao Li, Suryansh Kumar, Bernard Ghanem, Fisher Yu

Our method propagates semantics on the scene graphs based on language priors and scene statistics to introduce semantic knowledge to the geometric frontiers.

Imitation Learning Navigate +2

CAMEL: Communicative Agents for "Mind" Exploration of Large Language Model Society

2 code implementations NeurIPS 2023 Guohao Li, Hasan Abed Al Kader Hammoud, Hani Itani, Dmitrii Khizbullin, Bernard Ghanem

Our contributions include introducing a novel communicative agent framework, offering a scalable approach for studying the cooperative behaviors and capabilities of multi-agent systems, and open-sourcing our library to support research on communicative agents and beyond: https://github. com/camel-ai/camel.

Instruction Following Language Modelling +1

Diffusion-Based Scene Graph to Image Generation with Masked Contrastive Pre-Training

1 code implementation21 Nov 2022 Ling Yang, Zhilin Huang, Yang song, Shenda Hong, Guohao Li, Wentao Zhang, Bin Cui, Bernard Ghanem, Ming-Hsuan Yang

Generating images from graph-structured inputs, such as scene graphs, is uniquely challenging due to the difficulty of aligning nodes and connections in graphs with objects and their relations in images.

Image Generation

CLOP: Video-and-Language Pre-Training with Knowledge Regularizations

no code implementations7 Nov 2022 Guohao Li, Hu Yang, Feng He, Zhifan Feng, Yajuan Lyu, Hua Wu, Haifeng Wang

To this end, we propose a Cross-modaL knOwledge-enhanced Pre-training (CLOP) method with Knowledge Regularizations.

Contrastive Learning Retrieval +1

Learning Scene Flow in 3D Point Clouds with Noisy Pseudo Labels

no code implementations23 Mar 2022 Bing Li, Cheng Zheng, Guohao Li, Bernard Ghanem

To provide an alternative, we propose a novel approach that utilizes monocular RGB images and point clouds to generate pseudo scene flow labels for training scene flow networks.

Pseudo Label Self-Supervised Learning

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

1 code implementation NeurIPS 2021 Guocheng Qian, Hasan Abed Al Kader Hammoud, Guohao Li, Ali Thabet, Bernard Ghanem

We then introduce a new Anisotropic Reduction function into our Separable SA module and propose an Anisotropic Separable SA (ASSA) module that substantially increases the network's accuracy.

3D Part Segmentation 3D Point Cloud Classification +2

A CLIP-Enhanced Method for Video-Language Understanding

no code implementations14 Oct 2021 Guohao Li, Feng He, Zhifan Feng

This technical report summarizes our method for the Video-And-Language Understanding Evaluation (VALUE) challenge (https://value-benchmark. github. io/challenge\_2021. html).

Training Graph Neural Networks with 1000 Layers

4 code implementations14 Jun 2021 Guohao Li, Matthias Müller, Bernard Ghanem, Vladlen Koltun

Deep graph neural networks (GNNs) have achieved excellent results on various tasks on increasingly large graph datasets with millions of nodes and edges.

Graph Sampling Node Property Prediction

DeeperGCN: Training Deeper GCNs with Generalized Aggregation Functions

no code implementations1 Jan 2021 Guohao Li, Chenxin Xiong, Ali Thabet, Bernard Ghanem

We add our generalized aggregation into a deep GCN framework and show it achieves state-of-the-art results in six benchmarks from OGB.

Point Cloud Classification Representation Learning

Robust Optimization as Data Augmentation for Large-scale Graphs

3 code implementations CVPR 2022 Kezhi Kong, Guohao Li, Mucong Ding, Zuxuan Wu, Chen Zhu, Bernard Ghanem, Gavin Taylor, Tom Goldstein

Data augmentation helps neural networks generalize better by enlarging the training set, but it remains an open question how to effectively augment graph data to enhance the performance of GNNs (Graph Neural Networks).

Data Augmentation Graph Classification +4

LC-NAS: Latency Constrained Neural Architecture Search for Point Cloud Networks

no code implementations24 Aug 2020 Guohao Li, Mengmeng Xu, Silvio Giancola, Ali Thabet, Bernard Ghanem

In this paper, we introduce a new NAS framework, dubbed LC-NAS, where we search for point cloud architectures that are constrained to a target latency.

Neural Architecture Search Point Cloud Classification +2

DeeperGCN: All You Need to Train Deeper GCNs

3 code implementations13 Jun 2020 Guohao Li, Chenxin Xiong, Ali Thabet, Bernard Ghanem

Graph Convolutional Networks (GCNs) have been drawing significant attention with the power of representation learning on graphs.

Graph Learning Graph Property Prediction +3

DeepGCNs: Making GCNs Go as Deep as CNNs

4 code implementations15 Oct 2019 Guohao Li, Matthias Müller, Guocheng Qian, Itzel C. Delgadillo, Abdulellah Abualshour, Ali Thabet, Bernard Ghanem

This work transfers concepts such as residual/dense connections and dilated convolutions from CNNs to GCNs in order to successfully train very deep GCNs.

3D Point Cloud Classification 3D Semantic Segmentation +2

Ordinal Distribution Regression for Gait-based Age Estimation

no code implementations27 May 2019 Haiping Zhu, Yuheng Zhang, Guohao Li, Junping Zhang, Hongming Shan

This paper proposes an ordinal distribution regression with a global and local convolutional neural network for gait-based age estimation.

Age Estimation regression

Learning a Controller Fusion Network by Online Trajectory Filtering for Vision-based UAV Racing

no code implementations18 Apr 2019 Matthias Müller, Guohao Li, Vincent Casser, Neil Smith, Dominik L. Michels, Bernard Ghanem

A common approach is to learn an end-to-end policy that directly predicts controls from raw images by imitating an expert.

DeepGCNs: Can GCNs Go as Deep as CNNs?

1 code implementation ICCV 2019 Guohao Li, Matthias Müller, Ali Thabet, Bernard Ghanem

Finally, we use these new concepts to build a very deep 56-layer GCN, and show how it significantly boosts performance (+3. 7% mIoU over state-of-the-art) in the task of point cloud semantic segmentation.

3D Semantic Segmentation Graph Classification +1

OIL: Observational Imitation Learning

no code implementations3 Mar 2018 Guohao Li, Matthias Müller, Vincent Casser, Neil Smith, Dominik L. Michels, Bernard Ghanem

Recent work has explored the problem of autonomous navigation by imitating a teacher and learning an end-to-end policy, which directly predicts controls from raw images.

Autonomous Driving Autonomous Navigation +2

Incorporating External Knowledge to Answer Open-Domain Visual Questions with Dynamic Memory Networks

no code implementations3 Dec 2017 Guohao Li, Hang Su, Wenwu Zhu

To address this issue, we propose a novel framework which endows the model capabilities in answering more complex questions by leveraging massive external knowledge with dynamic memory networks.

Question Answering Visual Question Answering

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