GLDBF: Global and local dual-branch fusion network for no-reference point cloud quality assessment

Zhichao Chen, Shuyu Xiao, Yongfang Wang, Yihan Wang, Hongming Cai

Abstract: Highlights•LFEM based on PointNet++ combined with graph convolution and offset attention mechanism is proposed.•FFPM based on Transformer is proposed to significantly improve the prediction accuracy for PC with complex textures.•A GLDBF based NR-PCQA is proposed to comprehensively analyze and predict the visual quality of distorted PC.