RETRACTION: Smart city framework based on intelligent sensor network and visual surveillance (Retraction of Vol 33, art no E5301, 2021)

Retraction: Cai Z, Li D, Deng L, Yao X. Smart city framework based on intelligent sensor network and visual surveillance.J Concurrency Computat Pract Exper. 2021; 33(12). The above article, published online on 06 Jun 2019 Wiley Online Library (https://onlinelibrary.wiley.com/doi/full/10.1002/cpe.5301) has been retracted by agreement between the journal Editor, Professor David W. Walker, School of Computer Science and Informatics, Cardiff University, Cardiff CF24 3AA, UK and Wiley Periodicals, LLC. The retraction has been agreed following an investigation based on allegations raised by a third party. Several inconsistencies were found making the motivation and conclusion of this article untrustworthy. These inconsistencies include unattributed image reproduction, irrelevant citations, and conceptual flaws. The authors were not able to provide comprehensive experimental data upon request. Accordingly, the conclusions of this manuscript must be considered insufficiently supported.