Abbreviation: IWPR 2023 Full Name：2023 8th International Workshop on Pattern Recognition (IWPR 2023) Xiamen, China June 16-18, 2023 http://www.icopr.org/ Publication： All accepted papers, after registration and presentation, will be published into Conference Proceedings, and submitted for Ei Compendex, Scopus, etc, to ensure maximum awareness of the Proceedings like the last seven years. Call for Paper: Track 1: Computer Vision Early vision Low-level vision Biologically motivated vision Track 2: Biomedical Image Analysis Vision sensors Medical image and signal analysis Biological image and signal analysis Track 3: Pattern Recognition and Machine Learning Statistical, syntactic and structural pattern recognition Machine learning and data mining Artificial neural networks Track 4: Image, Speech, Signal and Video Processing Signal, image and video processing Image and video analysis and understanding Audio and acoustic processing and analysis Track 5: Document Analysis, Biometrics and Pattern Recognition Applications Pattern Recognition for Bioinformatics Pattern Recognition for Surveillance and Security Pattern Recognition for Search, Retrieval and Visualization More topics via: http://icopr.org/cfp.html Venue: Pan Pacific Xiamen Address: 19 Hubin Bei Road, Xiamen, Fujian, China 361012 Submission Methods: Full Paper (publication and oral presentation) Abstract (oral presentation only) Electronic Submission System (.pdf) http://confsys.iconf.org/submission/iwpr2023 or email: iwpr2016@vip.163.com. Contacts: Ms. Miya Hu E-mail: iwpr2016@vip.163.com