www4.comp.polyu.edu.hk has run 3 ads on Google Search that Ad Repository users have come across, first spotted on 8 Nov 2026 and most recently on 8 Nov 2026. 3 new ads were added in the last 7 days. 100% of the creatives are text-only ads. They were seen most in Peru. On search, they appear for terms such as “GMSD”.
Gradient Magnitude Similarity Deviation: Un índice o métrica muy eficiente de evaluación de la calidad de imagen (IQA, por sus siglas en inglés) utilizado en el procesamiento de imágenes y video.