Search Results for author: Aymeric Histace

Found 8 papers, 1 papers with code

Anomaly Detection via Multi-Scale Contrasted Memory

no code implementations16 Nov 2022 Loic Jezequel, Ngoc-Son Vu, Jean Beaudet, Aymeric Histace

Deep anomaly detection (AD) aims to provide robust and efficient classifiers for one-class and unbalanced settings.

Anomaly Detection Contrastive Learning

Efficient Anomaly Detection Using Self-Supervised Multi-Cue Tasks

no code implementations24 Nov 2021 Loic Jezequel, Ngoc-Son Vu, Jean Beaudet, Aymeric Histace

Our model significantly outperforms state-of-the-art with up to 36% relative error improvement on object anomalies and 40% on face anti-spoofing problems.

Colorization Face Anti-Spoofing +5

Fine-grained Anomaly Detection via Multi-task Self-Supervision

no code implementations20 Apr 2021 Loic Jezequel, Ngoc-Son Vu, Jean Beaudet, Aymeric Histace

Detecting anomalies using deep learning has become a major challenge over the last years, and is becoming increasingly promising in several fields.

Anomaly Detection Self-Supervised Learning

DIABLO: Dictionary-based Attention Block for Deep Metric Learning

no code implementations30 Apr 2020 Pierre Jacob, David Picard, Aymeric Histace, Edouard Klein

Recent breakthroughs in representation learning of unseen classes and examples have been made in deep metric learning by training at the same time the image representations and a corresponding metric with deep networks.

Metric Learning Representation Learning +1

Metric Learning With HORDE: High-Order Regularizer for Deep Embeddings

1 code implementation ICCV 2019 Pierre Jacob, David Picard, Aymeric Histace, Edouard Klein

Although the metric learning part is well addressed, this metric is usually computed over the average of the extracted deep features.

Ranked #18 on Metric Learning on CUB-200-2011 (using extra training data)

Image Retrieval Metric Learning +2

Leveraging Implicit Spatial Information in Global Features for Image Retrieval

no code implementations23 Jun 2018 Pierre Jacob, David Picard, Aymeric Histace, Edouard Klein

Most image retrieval methods use global features that aggregate local distinctive patterns into a single representation.

Image Retrieval Retrieval

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