Policy & safetyIncidentImage, Video & 3D Generation · Computer Vision2 sources · Oct 9, 2026

AI disqualification yields new Nikon Small World in Motion winner

Last month we covered the winner of Nikon's Small World in Motion video: Ning Xu of Tsinghua University in China, whose video captured tiny cilia beating in the airways of a child with a rare respiratory disorder.

Proof2 independent outlets

Key points

  • Nikon launched an investigation and concluded that Xu's entry did not comply with competition rules.
  • Xu said he used AI “to distinguish and visualize features in the reconstructed grayscale images”; however, he denied that AI was used "to generate the experimental movie, the cilia, or their motion.”
  • The original first place video used AI in post-processing. | Image: Dr. Ning Xu
  • Nikon says the video that originally won first place in its Small World in Motion contest "did not comply with the competition rules regarding generative AI.

Sources (2)

  • [1]AI disqualification yields new Nikon Small World in Motion winner
    Ars Technica: AI · Oct 9, 06:44 PM
    Last month we covered the winner of Nikon's Small World in Motion video: Ning Xu of Tsinghua University in China, whose video captured tiny cilia beating in the airways of a child with a rare respiratory disorder.
    Nikon launched an investigation and concluded that Xu's entry did not comply with competition rules.
  • [2]Nikon microscopic video competition winner disqualified for using generative AI
    The Verge: AI · Oct 9, 06:06 PM
    The original first place video used AI in post-processing. | Image: Dr. Ning Xu
    Nikon says the video that originally won first place in its Small World in Motion contest "did not comply with the competition rules regarding generative AI.

Extractive summary: sentences quoted from the sources.

Related