Search Results for author: Tania Stathaki

Found 16 papers, 4 papers with code

A Multimodal Approach for Cross-Domain Image Retrieval

no code implementations22 Mar 2024 Lucas Iijima, Tania Stathaki

With the latest AI technology, millions of high quality images are being generated by the public, which are constantly motivating the research community to push the limits of generative models to create more complex and realistic images.

Image Retrieval Retrieval

Detecting and Triaging Spoofing using Temporal Convolutional Networks

no code implementations20 Mar 2024 Kaushalya Kularatnam, Tania Stathaki

As algorithmic trading and electronic markets continue to transform the landscape of financial markets, detecting and deterring rogue agents to maintain a fair and efficient marketplace is crucial.

Algorithmic Trading

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

Dynamic Knowledge Distillation With Noise Elimination for RGB-D Salient Object Detection

no code implementations17 Jun 2021 Guangyu Ren, Yinxiao Yu, Hengyan Liu, Tania Stathaki

RGB-D salient object detection (SOD) demonstrates its superiority on detecting in complex environments due to the additional depth information introduced in the data.

Knowledge Distillation object-detection +2

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

Progressive Multi-scale Fusion Network for RGB-D Salient Object Detection

no code implementations7 Jun 2021 Guangyu Ren, Yanchu Xie, Tianhong Dai, Tania Stathaki

We further introduce a mask-guided refinement module(MGRM) to complement the high-level semantic features and reduce the irrelevant features from multi-scale fusion, leading to an overall refinement of detection.

object-detection RGB-D Salient Object Detection +1

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

Coupled Network for Robust Pedestrian Detection with Gated Multi-Layer Feature Extraction and Deformable Occlusion Handling

no code implementations18 Dec 2019 Tianrui Liu, Wenhan Luo, Lin Ma, Jun-Jie Huang, Tania Stathaki, Tianhong Dai

Ablation studies have validated the effectiveness of both the proposed gated multi-layer feature extraction sub-network and the deformable occlusion handling sub-network.

Occlusion Handling Pedestrian Detection

Gated Multi-layer Convolutional Feature Extraction Network for Robust Pedestrian Detection

no code implementations25 Oct 2019 Tianrui Liu, Jun-Jie Huang, Tianhong Dai, Guangyu Ren, Tania Stathaki

In this paper, we propose a gated multi-layer convolutional feature extraction method which can adaptively generate discriminative features for candidate pedestrian regions.

Pedestrian Detection

SAM-RCNN: Scale-Aware Multi-Resolution Multi-Channel Pedestrian Detection

no code implementations7 Aug 2018 Tianrui Liu, Mohamed Elmikaty, Tania Stathaki

Convolutional neural networks (CNN) have enabled significant improvements in pedestrian detection owing to the strong representation ability of the CNN features.

Pedestrian Detection Region Proposal

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