User profiles for Gexin Liu

Gexin Liu

Nanjing University of Aeronautics and Astronautics
Verified email at nuaa.edu.cn
Cited by 124

Nucleocapsid mutations R203K/G204R increase the infectivity, fitness, and virulence of SARS-CoV-2

…, K Meng, B Fu, W Xue, P Dong, W Tang, Y Xiao, G Liu… - Cell host & …, 2021 - cell.com
Previous work found that the co-occurring mutations R203K/G204R on the SARS-CoV-2
nucleocapsid (N) protein are increasing in frequency among emerging variants of concern or …

DeepPCC: Learned lossy point cloud compression

J Zhang, G Liu, J Zhang, D Ding… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
We propose DeepPCC, an end-to-end learning-based approach for the lossy compression
of large-scale object point clouds. For both geometry and attribute components, we introduce …

[HTML][HTML] Effects of the Entomopathogenic Fungus Metarhizium anisopliae on the Mortality and Immune Response of Locusta migratoria

W Jiang, Y Peng, J Ye, Y Wen, G Liu, J Xie - Insects, 2019 - mdpi.com
Entomopathogenic fungi are the key regulators of insect populations and some of them are
important biological agents used in integrated pest management strategies. Compared with …

Transformer and upsampling-based point cloud compression

J Zhang, G Liu, D Ding, Z Ma - … of the 1st International Workshop on …, 2022 - dl.acm.org
Learning-based point cloud compression has exhibited superior coding performance over
the traditional methods such as MEPG G-PCC. Considering that conventional point cloud …

Comprehensive engineering of novel glycosyltransferase for efficient, donor-promiscuous, and regioselective glycosylation of flavonoids

Y Lu, L Xie, J Xie, G Liu, J Fu, L Zou, Q Lin, Y Wang… - Science …, 2025 - science.org
Flavonoid O-glycosylation, catalyzed by uridine diphosphate (UDP)–glycosyltransferases, is
crucial for their therapeutic efficacy. However, most UDP-glycosyltransferases encounter …

PCGFormer: Lossy point cloud geometry compression via local self-attention

G Liu, J Wang, D Ding, Z Ma - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
Although the multiscale sparse tensor using stacked convolutions has attained noticeable
gains for lossy compression of point cloud geometry (PCG), its capability suffers because …

Zinc alpha2 glycoprotein alleviates palmitic acid-induced intracellular lipid accumulation in hepatocytes

…, H Li, X Qi, Y Wang, C Xu, G Liu, G Wen, J Liu - Molecular and cellular …, 2017 - Elsevier
Zinc alpha2 glycoprotein (ZAG) plays an important role in stimulating fat mobilization and
lipolysis in adipose tissue, but its role in hepatic lipid metabolism remains unclear. Palmitic …

Comparison of the stability of free-standing silicene and hydrogenated silicene in oxygen: a first principles investigation

G Liu, XL Lei, MS Wu, B Xu… - Journal of Physics …, 2014 - iopscience.iop.org
The stability of free-standing silicene in oxygen is worthwhile discussing. In this letter, the
oxygen adsorption and dissociation on free-standing silicene is studied using first principles. It …

GRNet:Geometry Restoration for G-PCC Compressed Point Clouds Using Auxiliary Density Signaling

G Liu, R Xue, J Li, D Ding, Z Ma - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The lossy Geometry-based Point Cloud Compression (G-PCC) inevitably impairs the
geometry information of point clouds, which deteriorates the quality of experience (QoE) in …

[PDF][PDF] Encoding Auxiliary Information to Restore Compressed Point Cloud Geometry.

G Liu, J Zhu, D Ding, Z Ma - IJCAI, 2024 - ijcai.org
The standardized Geometry-based Point Cloud Compression (G-PCC) suffers from limited
coding performance and low-quality reconstruction. To address this, we propose AuxGR, a …