About me

I’m now a PhD candidate (since 2021 fall) in the department of Computer Science, City University of Hong Kong under the supervision of prof. KWONG Tak Wu Sam and prof. Shiqi Wang, with the research interests in deep image, video and point cloud compression.

Publications

Geometric Prior Based Deep Human Point Cloud Geometry Compression.
Xinju Wu, Pingping Zhang, Meng Wang, Peilin Chen, Shiqi Wang, Sam Kwong.
IEEE Transactions on Circuits and Systems for Video Technology (TCSVT 2024) paper

Multiple Hypotheses Based Motion Compensation for Learned Video Compression.
Rongqun Lin, Meng Wang, Pingping Zhang, Shiqi Wang, Sam Kwong.
Neurocomputing 2023 paper

Lossy LiDAR Point Cloud Compression via Cylindrical 3D Convolution Networks.
Yelang Gao, Pingping Zhang, Xu Wang.
ICIP 2023 paper

Sparse-to-Dense: High Efficiency Rate Control for End-to-end Scale-Adaptive Video Coding
Jiancong Chen, Meng Wang, Pingping Zhang, Shurun Wang, Shiqi Wang.
IEEE Transactions on Circuits and Systems for Video Technology (TCSVT 2023) paper

Sparse-to-Dense: High Efficiency Rate Control for End-to-end Scale-Adaptive Video Coding
Jiancong Chen, Meng Wang, Pingping Zhang, Shurun Wang, Shiqi Wang.
IEEE Transactions on Circuits and Systems for Video Technology (TCSVT 2023) paper

Rethinking Semantic Image Compression: Scalable Representation with Cross-modality Transfer
Pingping Zhang, Shiqi Wang, Meng Wang, Jiguo Li, Xu Wang, Sam Kwong
IEEE Transactions on Circuits and Systems for Video Technology (TCSVT 2023) paper code

End-To-End Depth Map Compression Framework Via Rgb-To-Depth Structure Priors Learning
Minghui Chen, Pingping Zhang, Zhuo Chen, Yun Zhang, Xu Wang, Sam Kwong
IEEE International Conference on Image Processing (ICIP 2022) paper

Learning-based Compression for Noisy Images in the Wild
Pingping Zhang, Meng Wang, Baoliang Chen, Rongqun Lin, Xu Wang, Shiqi Wang and Sam Kwong
IEEE Transactions on Circuits and Systems for Video Technology (TCSVT 2022) paper code

URetinex-Net: Retinex-Based Deep Unfolding Network for Low-Light Image Enhancement
Wenhui Wu, Jian Weng, Pingping Zhang, Xu Wang, Wenhan Yang, Jianmin Jiang
IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR 2022) paper code

Progressive Point Cloud Upsampling via Differentiable Rendering
Pingping Zhang, Xu Wang, Lin Ma, Shiqi Wang, Sam Kwong, Jianmin Jiang
IEEE Transactions on Circuits and Systems for Video Technology (TCSVT 2021) paper code

Deep intensity guidance based compression artifacts reduction for depth map
Xu Wang, Pingping Zhang, Yun Zhang, Lin Ma, Sam Kwong, Jianmin Jiang
Journal of Visual Communication and Image Representation (JVCIR 2018) paper code

Compression artifacts reduction for depth map by deep intensity guidance
Pingping Zhang, Xu Wang, Yun Zhang, Lin Ma, Jianmin Jiang, Sam Kwong
Pacific Rim Conference on Multimedia (PCM 2017)

Services

Journal Reviewer:

IEEE Transactions on Neural Networks and Learning Systems (TNNLS)

IEEE Transactions on Multimedia (TMM)

IEEE Transactions on Circuits and Systems for Video (TCSVT)

Conference Reviewer:

IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR 2024)

ACM Multimedia (ACMMM 2023)

Teaching

Teaching Assistant: Program in Python, City University of Hong Kong

Teaching Assistant: C++ Computer Programming, City University of Hong Kong

Awards

Outstanding academic performance award, City University of Hong Kong, 2023

Research tuition scholarship, City University of Hong Kong, 2022, 2023