Search Results for author: Michalis Lazarou

Found 9 papers, 5 papers with code

Image edge enhancement for effective image classification

no code implementations13 Jan 2024 Tianhao Bu, Michalis Lazarou, Tania Stathaki

A widely popular embraced method to improve the classification performance of neural networks is to incorporate data augmentations during the training process.

Classification Computational Efficiency +1

Adaptive Anchor Label Propagation for Transductive Few-Shot Learning

1 code implementation30 Oct 2023 Michalis Lazarou, Yannis Avrithis, Guangyu Ren, Tania Stathaki

Our novel algorithm, Adaptive Anchor Label Propagation}, outperforms the standard label propagation algorithm by as much as 7% and 2% in the 1-shot and 5-shot settings respectively.

Few-Shot Learning

Adaptive manifold for imbalanced transductive few-shot learning

no code implementations27 Apr 2023 Michalis Lazarou, Yannis Avrithis, Tania Stathaki

Our method exploits the underlying manifold of the labeled support examples and unlabeled queries by using manifold similarity to predict the class probability distribution per query.

Few-Shot Learning

Towards Automated Polyp Segmentation Using Weakly- and Semi-Supervised Learning and Deformable Transformers

no code implementations21 Nov 2022 Guangyu Ren, Michalis Lazarou, Jing Yuan, Tania Stathaki

Also, our framework can be utilized to fine-tune models trained on natural image segmentation datasets drastically improving their performance for polyp segmentation and impressively demonstrating superior performance to fully supervised fine-tuning.

Image Segmentation Segmentation +1

Tensor feature hallucination for few-shot learning

1 code implementation9 Jun 2021 Michalis Lazarou, Tania Stathaki, Yannis Avrithis

We follow a different approach and investigate how a simple and straightforward synthetic data generation method can be used effectively.

Data Augmentation Few-Shot Learning +2

Few-shot learning via tensor hallucination

1 code implementation19 Apr 2021 Michalis Lazarou, Yannis Avrithis, Tania Stathaki

Few-shot classification addresses the challenge of classifying examples given only limited labeled data.

Data Augmentation Few-Shot Learning +2

Iterative label cleaning for transductive and semi-supervised few-shot learning

1 code implementation ICCV 2021 Michalis Lazarou, Tania Stathaki, Yannis Avrithis

Few-shot learning amounts to learning representations and acquiring knowledge such that novel tasks may be solved with both supervision and data being limited.

Few-Shot Learning

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