collaborators

5 papers

cs.LG2025

PDAC: Efficient Coreset Selection for Continual Learning via Probability Density Awareness

Junqi Gao, Zhichang Guo, Dazhi Zhang +3

Rehearsal-based Continual Learning (CL) maintains a limited memory buffer to store replay samples for knowledge retention, making these approaches heavily reliant on the quality of…

cs.CV2025

Towards Frequency-Adaptive Learning for SAR Despeckling

Ziqing Ma, Chang Yang, Zhichang Guo +1

Synthetic Aperture Radar (SAR) images are inherently corrupted by speckle noise, limiting their utility in high-precision applications. While deep learning methods have shown promi…

cs.CV2025

Progressive Alignment Degradation Learning for Pansharpening

Enzhe Zhao, Zhichang Guo, Yao Li +2

Deep learning-based pansharpening has been shown to effectively generate high-resolution multispectral (HRMS) images. To create supervised ground-truth HRMS images, synthetic data…

cs.CV2024

A Tunable Despeckling Neural Network Stabilized via Diffusion Equation

Yi Ran, Zhichang Guo, Jia Li +3

The removal of multiplicative Gamma noise is a critical research area in the application of synthetic aperture radar (SAR) imaging, where neural networks serve as a potent tool. Ho…

cs.CV2024

Adversarial Transferability in Deep Denoising Models: Theoretical Insights and Robustness Enhancement via Out-of-Distribution Typical Set Sampling

Jie Ning, Jiebao Sun, Shengzhu Shi +4

Deep learning-based image denoising models demonstrate remarkable performance, but their lack of robustness analysis remains a significant concern. A major issue is that these mode…