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ISPRS International Journal of Geo-Information
  • Retraction
  • Open Access

28 November 2025

RETRACTED: Zhao et al. Indoor Floor Localization Based on Multi-Intelligent Sensors. ISPRS Int. J. Geo-Inf. 2021, 10, 6

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Key Lab of Electronic and Communication Engineering, Heilongjiang University, Harbin 150080, China
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Author to whom correspondence should be addressed.
The Journal retracts the article “Indoor floor localization based on multi-intelligent sensors” [] cited above.
Following publication, concerns were brought to the attention of the Editorial Office regarding an overlap between this publication [] and a previously published article [] published by a different authorship group.
Adhering to our complaint procedure, the Editorial Office and Editorial Board conducted an investigation that confirmed there was a high level of similarity between these two articles [,], including with respect to equations, an algorithm, several figures and tables, and as the methodology, without proper citation. Consequently, the Editorial Board has decided to retract this publication [], as per MDPI’s retraction policy (https://www.mdpi.com/ethics#_bookmark30) (accessed on 17 September 2025).
This retraction was approved by the Editor in Chief of the journal IJGI.
The authors did not provide a comment on this decision.

References

  1. Zhao, M.; Qin, D.; Guo, R.; Wang, X. RETRACTED: Indoor Floor Localization Based on Multi-Intelligent Sensors. ISPRS Int. J. Geo-Inf. 2021, 10, 6. [Google Scholar] [CrossRef]
  2. Ashraf, I.; Hur, S.; Shafiq, M.; Park, Y. Floor Identification Using Magnetic Field Data with Smartphone Sensors. Sensors 2019, 19, 2538. [Google Scholar] [CrossRef] [PubMed]
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