Search Results for author: David Varas

Found 6 papers, 0 papers with code

Spatio-Temporal Context for Action Detection

no code implementations29 Jun 2021 Manuel Sarmiento Calderó, David Varas, Elisenda Bou-Balust

Research in action detection has grown in the recentyears, as it plays a key role in video understanding.

Action Detection Video Understanding

Smooth Proxy-Anchor Loss for Noisy Metric Learning

no code implementations9 Jun 2020 Carlos Roig, David Varas, Issey Masuda, Juan Carlos Riveiro, Elisenda Bou-Balust

The results showcase an improvement of 2. 63 and 3. 29 in Recall@1 with respect to MultiSimilarity and Proxy-Anchor Loss respectively, proving that our method outperforms the state-of-the-art of Metric Learning in noisy labeling conditions.

Metric Learning

Unsupervised Multi-label Dataset Generation from Web Data

no code implementations12 May 2020 Carlos Roig, David Varas, Issey Masuda, Juan Carlos Riveiro, Elisenda Bou-Balust

This paper presents a system towards the generation of multi-label datasets from web data in an unsupervised manner.

Clustering

Multiresolution hierarchy co-clustering for semantic segmentation in sequences with small variations

no code implementations ICCV 2015 David Varas, Mónica Alfaro, Ferran Marques

This paper presents a co-clustering technique that, given a collection of images and their hierarchies, clusters nodes from these hierarchies to obtain a coherent multiresolution representation of the image collection.

Boundary Detection Clustering +3

Region-based Particle Filter for Video Object Segmentation

no code implementations CVPR 2014 David Varas, Ferran Marques

We present a video object segmentation approach that extends the particle filter to a region-based image representation.

Clustering Object +3

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