Improving Critical Node Detection Using Neural Network-based Initialization in a Genetic Algorithm

no code implementations • 1 Feb 2024 • Chanjuan Liu, Shike Ge, Zhihan Chen, Wenbin Pei, Enqiang Zhu, Yi Mei, Hisao Ishibuchi

The Critical Node Problem (CNP) is concerned with identifying the critical nodes in a complex network.

SAR Despeckling via Regional Denoising Diffusion Probabilistic Model

no code implementations • 6 Jan 2024 • Xuran Hu, Ziqiang Xu, Zhihan Chen, Zhengpeng Feng, Mingzhe Zhu, Ljubisa Stankovic

Speckle noise poses a significant challenge in maintaining the quality of synthetic aperture radar (SAR) images, so SAR despeckling techniques have drawn increasing attention.

Sar Image Despeckling

Hyperspectral Remote Sensing Image Classification Based on Multi-scale Cross Graphic Convolution

no code implementations • 28 Jun 2021 • Yunsong Zhao, Yin Li, Zhihan Chen, Tianchong Qiu, Guojin Liu

Using a multi-scale convolution algorithm, the input dimensionality reduction features were mined to obtain shallow features, which then served as inputs into a multi-scale graph convolution algorithm to construct the internal relationships between eigenvalues at different scales.

Classification Dimensionality Reduction +2