This four-volume set constitutes the post-conference proceedings of the 8th EAI International Conference on Advanced Hybrid Information Processing, ADHIP 2024, held in Jiaxing, China, during September 20-22, 2024. The 115 full papers included in this book were carefully reviewed and selected from 297 submissions. They focus on the following topical sections: Part I: Signal Processing and Enhancement; Information Fusion and Integration. Part II: Information Fusion and Integration; Intelligent Computing and Machine Learning. Part III: Intelligent Computing and Machine Learning; Applications and Intelligent Systems. Part IV: Applications and Intelligent Systems