PUC Chile team at Concept Detection: K NearestNeighbors with Perceptual Similarity

RL1, Publisher: CEUR Workshop Proceedings, Link>


Gregory Schuit, Vicente Castro, Pablo Pino, Denis Parra, Hans Lobel


This article describes PUC Chile team’s participation in the Concept Detection task of ImageCLEFmedical challenge 2021, which resulted in the team earning the fourth place. We made two submissions, the first one based on a naive approach which resulted in a F-1 score of 0.141, and an improved version which leveraged the Perceptual Similarity among images and obtained a final F-1 score of 0.360. We describe in detail our data analysis, our different approaches, and conclude by discussing some ideas for future work

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