Search Results for author: Guanghui Liu

Found 12 papers, 6 papers with code

Dataset Awareness is not Enough: Implementing Sample-level Tail Encouragement in Long-tailed Self-supervised Learning

no code implementations30 Oct 2024 Haowen Xiao, Guanghui Liu, Xinyi Gao, Yang Li, Fengmao Lv, Jielei Chu

However, most of these approaches focus on the joint optimization of all samples in the dataset or on constraining the category distribution, with little attention given to whether each individual sample is optimally guided during training.

Contrastive Learning Pseudo Label +1

PointRegGPT: Boosting 3D Point Cloud Registration using Generative Point-Cloud Pairs for Training

1 code implementation19 Jul 2024 Suyi Chen, Hao Xu, Haipeng Li, Kunming Luo, Guanghui Liu, Chi-Wing Fu, Ping Tan, Shuaicheng Liu

To enhance the data realism, we formulate a generative model as a depth inpainting diffusion to process the target depth map with the re-projected source depth map as the condition.

Point Cloud Registration

SpectralNeRF: Physically Based Spectral Rendering with Neural Radiance Field

1 code implementation14 Dec 2023 Ru Li, Jia Liu, Guanghui Liu, Shengping Zhang, Bing Zeng, Shuaicheng Liu

We modify the classical spectral rendering into two main steps, 1) the generation of a series of spectrum maps spanning different wavelengths, 2) the combination of these spectrum maps for the RGB output.

NeRF

Cross-Block Difference Guided Fast CU Partition for VVC Intra Coding

no code implementations14 Jan 2022 Hewei Liu, Shuyuan Zhu, Ruiqin Xiong, Guanghui Liu, Bing Zeng

In this paper, we propose a new fast CU partition algorithm for VVC intra coding based on cross-block difference.

Low-Complexity Symbol Detection and Interference Cancellation for OTFS System

no code implementations 期刊 2021 Huiyang Qu, Guanghui Liu, Lei Zhang, Shan Wen, Graduate Student Member, and Muhammad Ali Imran, Senior Member, IEEE

Orthogonal time frequency space (OTFS) is a two-dimensional modulation scheme realized in the delay- Doppler domain, which targets the robust wireless transmissions in high-mobility environments.

OMNet: Learning Overlapping Mask for Partial-to-Partial Point Cloud Registration

1 code implementation ICCV 2021 Hao Xu, Shuaicheng Liu, Guangfu Wang, Guanghui Liu, Bing Zeng

On the other hand, previous global feature based approaches can utilize the entire point cloud for the registration, however they ignore the negative effect of non-overlapping points when aggregating global features.

Point Cloud Registration

JigsawGAN: Auxiliary Learning for Solving Jigsaw Puzzles with Generative Adversarial Networks

no code implementations19 Jan 2021 Ru Li, Shuaicheng Liu, Guangfu Wang, Guanghui Liu, Bing Zeng

We design a multi-task pipeline that includes, (1) a classification branch to classify jigsaw permutations, and (2) a GAN branch to recover features to images in correct orders.

Auxiliary Learning General Classification +2

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