Overview
- Nikon disqualified the original first-place video on Friday, October 9, removing the clip from its winners page and saying the entry did not comply with the competition's generative-AI rules.
- Dr. Ning Xu acknowledged using an unsupervised neural-network method for AI-assisted post-processing to highlight features but denied that AI generated the experimental movie or the cilia motion shown.
- Researchers pointed to structural anomalies in the footage and an apparent SynthID-style watermark in source files as evidence that pixels may have been fabricated rather than only recolored or enhanced.
- Nikon elevated Nguyen Nam Nhat to first place and announced it will revisit contest rules and evaluation procedures to require clearer disclosure and stronger verification of submissions.
- The episode underlines a broader challenge for science because microscopy images are treated as data, and it increases pressure on journals, labs, and contests to demand raw data, metadata, and new checks to protect patients and clinicians who rely on accurate images.