Chengdu Institute of Computer Applications;
Chinese Academy of Sciences;
Chengdu;
610041;
China;
Chongqing Institute of Green and Intelligent Technology;
Chinese Academy of Sciences;
Chongqing;
400714;
China;
School of Computer and Control Engineering;
University of Chinese Academy of Sciences;
Beijing;
100049;
China;
Department of Anesthesia;
Southwest Hospital;
Army Medical University;
Chongqing;
400038;
China;
Deep pyramid convolutional neural networks; extreme gradient boosting; heart failure prediction;