activity
20212026
most citedQARV: Quantization-Aware ResNet VAE for Lossy Image Compression

92 citations · 263 across the 15 of their papers we have counts for

collaborators

15 papers

cs.CV2026

Implicit Fuzzification via Bounded Noise Injection for Robust Medical Image Segmentation

Bisheng Tang, Zhangfeng Ma, Chuchu Zhai +4

Image segmentation remains fundamentally limited by boundary ambiguity arising from sampling-induced information loss and inherent uncertainty in pixel-wise labeling. Although enco…

eess.IV2023★ 1 cited

Lossless Point Cloud Attribute Compression Using Cross-scale, Cross-group, and Cross-color Prediction

Jianqiang Wang, Dandan Ding, Zhan Ma

This work extends the multiscale structure originally developed for point cloud geometry compression to point cloud attribute compression. To losslessly encode the attribute while…

eess.IV2023★ 92 cited

QARV: Quantization-Aware ResNet VAE for Lossy Image Compression

Zhihao Duan, Ming Lu, Jack Ma +3

This paper addresses the problem of lossy image compression, a fundamental problem in image processing and information theory that is involved in many real-world applications. We s…

cs.CV2023

Dynamic Point Cloud Geometry Compression Using Multiscale Inter Conditional Coding

Jianqiang Wang, Dandan Ding, Hao Chen +1

This work extends the Multiscale Sparse Representation (MSR) framework developed for static Point Cloud Geometry Compression (PCGC) to support the dynamic PCGC through the use of m…

cs.CV2022★ 13 cited

Efficient Visual Computing with Camera RAW Snapshots

Zhihao Li, Ming Lu, Xu Zhang +3

Conventional cameras capture image irradiance on a sensor and convert it to RGB images using an image signal processor (ISP). The images can then be used for photography or visual…

eess.IV2022★ 2 cited

Rate-Distortion Optimized Post-Training Quantization for Learned Image Compression

Junqi Shi, Ming Lu, Zhan Ma

Quantizing a floating-point neural network to its fixed-point representation is crucial for Learned Image Compression (LIC) because it improves decoding consistency for interoperab…

cs.CV2022★ 1 cited

CARNet:Compression Artifact Reduction for Point Cloud Attribute

Dandan Ding, Junzhe Zhang, Jianqiang Wang +1

A learning-based adaptive loop filter is developed for the Geometry-based Point Cloud Compression (G-PCC) standard to reduce attribute compression artifacts. The proposed method fi…

cs.CV2022★ 7 cited

Efficient LiDAR Point Cloud Geometry Compression Through Neighborhood Point Attention

Ruixiang Xue, Jianqiang Wang, Zhan Ma

Although convolutional representation of multiscale sparse tensor demonstrated its superior efficiency to accurately model the occupancy probability for the compression of geometry…

eess.IV2022★ 54 cited

Lossy Image Compression with Quantized Hierarchical VAEs

Zhihao Duan, Ming Lu, Zhan Ma +1

Recent research has shown a strong theoretical connection between variational autoencoders (VAEs) and the rate-distortion theory. Motivated by this, we consider the problem of loss…

cs.CV2022

Rendering Nighttime Image Via Cascaded Color and Brightness Compensation

Zhihao Li, Si Yi, Zhan Ma

Image signal processing (ISP) is crucial for camera imaging, and neural networks (NN) solutions are extensively deployed for daytime scenes. The lack of sufficient nighttime image…

eess.IV2022★ 2 cited

Sparse Tensor-based Point Cloud Attribute Compression

Jianqiang Wang, Zhan Ma

Recently, numerous learning-based compression methods have been developed with outstanding performance for the coding of the geometry information of point clouds. On the contrary,…

eess.IV2022★ 36 cited

High-Efficiency Lossy Image Coding Through Adaptive Neighborhood Information Aggregation

Ming Lu, Fangdong Chen, Shiliang Pu +1

Questing for learned lossy image coding (LIC) with superior compression performance and computation throughput is challenging. The vital factor behind it is how to intelligently ex…

eess.IV2022

Opening the Black Box of Learned Image Coders

Zhihao Duan, Ming Lu, Zhan Ma +1

End-to-end learned lossy image coders (LICs), as opposed to hand-crafted image codecs, have shown increasing superiority in terms of the rate-distortion performance. However, they…

cs.CV2021★ 44 cited

Towards Robust Neural Image Compression: Adversarial Attack and Model Finetuning

Tong Chen, Zhan Ma

Deep neural network-based image compression has been extensively studied. However, the model robustness which is crucial to practical application is largely overlooked. We propose…

cs.CV2021★ 11 cited

Sparse Tensor-based Multiscale Representation for Point Cloud Geometry Compression

Jianqiang Wang, Dandan Ding, Zhu Li +3

This study develops a unified Point Cloud Geometry (PCG) compression method through the processing of multiscale sparse tensor-based voxelized PCG. We call this compression method…