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Lingyu Si

11 accepted papers

2025

Less Yet Robust: Crucial Region Selection for Scene Recognition

ICASSP 2025accepted

Scene recognition, particularly for aerial and underwater images, often suffers from various types of degradation, such as blurring or overexposure. Previous works that focus on convolutional neural networks have been shown to be able to extract panoramic semantic features and perform well on scene…

Cited by 0SourceScholar
2025

SlotFusion: Object-Centric Audiovisual Feature Fusion with Slot Attention for Remote Sensing Scene Recognition

ICASSP 2025accepted

Despite significant advancements in remote sensing multimodal learning, particularly in image-image feature fusion, the exploration of audio-image feature fusion remains insufficient. Given the complexity and redundancy of ground objects in remote sensing images, accurately aligning audio features w…

Cited by 0SourceScholar
2024

CartoonDiff: Training-free Cartoon Image Generation with Diffusion Transformer Models

ICASSP 2024accepted

Image cartoonization has attracted significant interest in the field of image generation. However, most of the existing image cartoonization techniques require re-training models using images of cartoon style. In this paper, we present CartoonDiff, a novel training-free sampling approach which gener…

Cited by 0SourceScholar
2024

FPGNet: Single Image Deraining with High-Frequency Channel and Frequency Domain Prior Guidance

ICASSP 2024accepted

In recent years, deep learning methods have shown promising results in Single Image Deraining (SID). However, these methods still suffer from unsatisfactory residual rain streaks, primarily due to the absence of image priors embedding and limitations in modeling capacity. In this paper, we propose a…

Cited by 0SourceScholar
2024

Radardiff: Improving Sea Clutter Suppression Using Diffusion Models for Radar Images

ICASSP 2024accepted

Marine radar is employed across multiple fields, notably in navigation, meteorology, defense, and security. Marine radar images are highly sensitive to sea clutter, highlighting the crucial importance of sea clutter suppression in radar image processing. However, existing algorithms for sea clutter…

Cited by 0SourceScholar
2024

Rethinking Causal Relationships Learning in Graph Neural Networks

AAAI 2024technical

Graph Neural Networks (GNNs) demonstrate their significance by effectively modeling complex interrelationships within graph-structured data. To enhance the credibility and robustness of GNNs, it becomes exceptionally crucial to bolster their ability to capture causal relationships. However, despite…

2024

Self-Supervised Representation Learning with Meta Comprehensive Regularization

AAAI 2024technical

Self-Supervised Learning (SSL) methods harness the concept of semantic invariance by utilizing data augmentation strategies to produce similar representations for different deformations of the same input. Essentially, the model captures the shared information among multiple augmented views of sample…

Cited by 6SourcePDFScholar
2023

Disentangle and Remerge: Interventional Knowledge Distillation for Few-Shot Object Detection from a Conditional Causal Perspective

AAAI 2023technical

Few-shot learning models learn representations with limited human annotations, and such a learning paradigm demonstrates practicability in various tasks, e.g., image classification, object detection, etc. However, few-shot object detection methods suffer from an intrinsic defect that the limited tra…

2023

Robust Causal Graph Representation Learning against Confounding Effects

AAAI 2023technical

The prevailing graph neural network models have achieved significant progress in graph representation learning. However, in this paper, we uncover an ever-overlooked phenomenon: the pre-trained graph representation learning model tested with full graphs underperforms the model tested with well-prune…

2023

Timestamp-Supervised Action Segmentation from the Perspective of Clustering

IJCAI 2023poster

Video action segmentation under timestamp supervision has recently received much attention due to lower annotation costs. Most existing methods generate pseudo-labels for all frames in each video to train the segmentation model. However, these methods suffer from incorrect pseudo-labels, especially…

2022

Bootstrapping Informative Graph Augmentation via A Meta Learning Approach

IJCAI 2022poster

Recent works explore learning graph representations in a self-supervised manner. In graph contrastive learning, benchmark methods apply various graph augmentation approaches. However, most of the augmentation methods are non-learnable, which causes the issue of generating unbeneficial augmented grap…