Cellular Network Radio Propagation Modeling with Deep Convolutional Neural Networks

no code implementations • 5 Oct 2021 • Xin Zhang, Xiujun Shu, Bingwen Zhang, Jie Ren, Lizhou Zhou, Xin Chen

Deterministic models, such as ray tracing based on physical laws of wave propagation, are more accurate and site specific.

IFoodCloud: A Platform for Real-time Sentiment Analysis of Public Opinion about Food Safety in China

no code implementations • 17 Feb 2021 • Dachuan Zhang, Haoyang Zhang, Zhisheng Wei, Yan Li, Zhiheng Mao, Chunmeng He, Haorui Ma, Xin Zeng, Xiaoling Xie, Xingran Kou, Bingwen Zhang

The Internet contains a wealth of public opinion on food safety, including views on food adulteration, food-borne diseases, agricultural pollution, irregular food distribution, and food production issues.

Sentiment Analysis Sentiment Classification

Precise Phase Transition of Total Variation Minimization

no code implementations • 15 Sep 2015 • Bingwen Zhang, Weiyu Xu, Jian-Feng Cai, Lifeng Lai

Characterizing the phase transitions of convex optimizations in recovering structured signals or data is of central importance in compressed sensing, machine learning and statistics.

Denoising