Retraction note: Application of computer vision technology in the recognition of Guzheng playing posture

The editors have retracted the paper DOI:10.22630/MGV.2026.35.1.4 on October 30, 2026. Upon investigation several important weaknesses of the paper were detected, not noticed previously by the Reviewers. The most evident ones are summarised in the PDF document. On September 13, 20206, the procedure of the editorial Expression of Concern was implemented for this paper. The Author was asked to provide comments or corrections to the weaknesses detected, but did not respond. In consequence, on October 30, 2026, the paper was retracted.