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Juan Liu

21 accepted papers

2026

Decoupled Spatiotemporal Forecasting from Extreme Sparse Observations via Quantized Latent Space

AAAI 2026technical

Predicting spatiotemporal fields governed by partial differential equations (PDEs) from sparse sensor data is a critical and long-standing challenge in science and engineering. Recent deep learning approaches, particularly neural operators, have shown considerable promise in solving PDEs. However, t

Cited by 0SourcePDFScholar
2026

Domain-Aware Multi-View Contrastive Representation Learning for Protein Subcellular Localization Prediction

AAAI 2026technical

Protein subcellular localization prediction is essential for understanding protein function and cellular organization. However, existing methods exhibit two major limitations: (1) they overlook the critical role of evolutionarily conserved protein domains, which are fundamental functional and struct

Cited by 0SourcePDFScholar
2026

Dynamic Geometric Equivariant Network for Full-Atom Antibody Design

AAAI 2026technical

Antibody design is critically important in biomedical and therapeutic contexts but remains extremely challenging due to the complexity of antibody sequence–structure relationships and stringent antigen specificity requirements. Traditional computational approaches rely on multi-stage pipelines and o

Cited by 0SourcePDFScholar
2025

LGNav: Zero-Shot Object Navigation Driven by Language and Pointing Gesture Using Large Vision-Language Models

IROS 2025

In human communication, referring to a specific object within an environment often involves the combination of a pointing gesture to indicate the object’s direction and linguistic descriptions specifying its name and attributes, thereby enabling precise object identification. Inspired by this natura

Cited by 0SourceScholar
2025

LLM-empowered Dynamic Prompt Routing for Vision-Language Models Tuning under Long-Tailed Distributions

EMNLP 2025

Pre-trained vision-language models (VLMs), such as CLIP, have demonstrated impressive capability in visual tasks, but their fine-tuning often suffers from bias in class-imbalanced scenes. Recent works have introduced large language models (LLMs) to enhance VLM fine-tuning withsupplementaryy semantic

2025

LOHA: Direct Graph Spectral Contrastive Learning Between Low-Pass and High-Pass Views

AAAI 2025technical

Spectral Graph Neural Networks effectively handle graphs with different homophily levels, with low-pass filter mining feature smoothness and high-pass filter capturing differences. When these distinct filters could naturally form two opposite views for self-supervised learning, the commonalities bet…

Cited by 0SourcePDFScholar
2025

RETAIN: Reliable Topology Augmentation for both Heterophilic and Homophilic Graphs

ICASSP 2025accepted

Current graph topology augmentation methods are mostly static and heavily rely on the assumption of homophily, where connected nodes are presumed to share the same labels by default. Due to the complexity of real-world graphs, the underlying assumption is often disrupted, thus performance declines,…

Cited by 0SourceScholar
2025

Rethinking Personality Assessment from Human-Agent Dialogues: Fewer Rounds May Be Better Than More

EMNLP 2025

Personality assessment is essential for developing user-centered systems, playing a critical role across domains including hiring, education, and personalized system design. With the integration of conversational AI systems into daily life, automatically assessing human personality through natural l

2024

A Dual-Path Framework with Frequency-and-Time Excited Network for Anomalous Sound Detection

ICASSP 2024accepted

In contrast to human speech, machine-generated sounds of the same type often exhibit consistent frequency characteristics and discernible temporal periodicity. However, leveraging these dual attributes in anomaly detection remains relatively under-explored. In this paper, we propose an automated dua…

Cited by 0SourceScholar
2024

A Novel Framework for Structure Descriptors-Guided Hand-drawn Floor Plan Reconstruction

IROS 2024poster

In the absence of a pre-built indoor map, robot navigation suffers from the limitations of sensors and environments, resulting in decreased efficiency in performing ad-hoc tasks. Given that blueprints are difficult to obtain, an intuitive method is to provide robots with prior knowledge via hand-dra…

Cited by 0SourceScholar
2024

Coupling Self-Supervised and Supervised Contrastive Learning for Multiple Classification of Cervical Cytological Whole Slide Images

ICASSP 2024accepted

Cervical cytologic whole slide image (WSI) multiple classificaton (grading) is a challenging task. Current studies typically ignore the unbalanced data distribution and require multi-class annotations to learn cell features for WSI grading, which largely suffers from label noise. In this paper, we d…

Cited by 0SourceScholar
2024

Three-Dimensional Spatial-Temporal Near-Field Passive Localization Based on an Exact Spatial Propagation Model

ICASSP 2024accepted

Based on the exact source-sensor spatial geometry, a three-dimensional (3-D) spatial-temporal localization algorithm for multiple near-field (NF) sources is proposed without adopting the Fresnel approximation, which simplifies the spatial phase difference by Taylors polynomial. In addition, consider…

Cited by 1SourceScholar
2023

Classifying Pathological Images Based on Multi-Instance Learning and End-to-End Attention Pooling

ICASSP 2023accepted

In order to address the issue that previous deep learning methods for classifying pathological images cannot adaptively learn features, we propose an end-to-end attention pooling method based on a multi-instance learning patch scoring model. Our method integrates feature extraction and classificatio…

Cited by 0SourceScholar
2023

DDN: Dynamic Aggregation Enhanced Dual-Stream Network for Medical Image Classification

ICASSP 2023accepted

Convolutional Neural Networks (CNNs) have become the de facto approach for medical image classification in recent years. However, the deficiency of convolutional operations in extracting global features has limited the further improvement of this task. Vision Transformers (ViTs) can model long-range…

Cited by 0SourceScholar
2023

Energy Constrained Multi-Agent Reinforcement Learning for Coverage Path Planning

IROS 2023poster

For multi-agent area coverage path planning problem, existing researches regard it as a combination of Traveling Salesman Problem (TSP) and Coverage Path Planning (CPP). However, these approaches have disadvantages of poor observation ability in online phase and high computational cost in offline ph…

Cited by 2SourceScholar
2023

LGVIT: Local-Global Vision Transformer for Breast Cancer Histopathological Image Classification

ICASSP 2023accepted

Breast cancer histopathological image classification has made great progress with the use of Convolutional Neural Networks (CNNs). However, due to the limited receptive field, CNNs have difficulty in learning the global information of breast cancer histopathological images, hindering the further imp…

Cited by 0SourceScholar
2023

MASKED-AP: Attention Pyramid Convolutional Neural Network with Mask for Cervical Cell Classification

ICASSP 2023accepted

The automatic and effective cervical cell classification technique is critical for cervical cytology screening and cervical cancer prevention. We notice that cervical cell classification is a fine-grained classification task. The difference between classes is small while the difference within a clas…

Cited by 0SourceScholar
2023

StoryTrans: Non-Parallel Story Author-Style Transfer with Discourse Representations and Content Enhancing

ACL 2023long

Non-parallel text style transfer is an important task in natural language generation. However, previous studies concentrate on the token or sentence level, such as sentence sentiment and formality transfer, but neglect long style transfer at the discourse level. Long texts usually involve more compl…

2023

Unsupervised Deep Probabilistic Approach for Partial Point Cloud Registration

CVPR 2023poster

Deep point cloud registration methods face challenges to partial overlaps and rely on labeled data. To address these issues, we propose UDPReg, an unsupervised deep probabilistic registration framework for point clouds with partial overlaps. Specifically, we first adopt a network to learn posterior…

2022

Human-Machine Collaborative Decision-Making Method Based on Confidence for Smart Workshop Dynamic Scheduling

RA-L 2022

Dynamic scheduling is one of the most important problems in the field of production scheduling. Existing ways to solve the problem are mainly based on experienced workers or automatic scheduling models (SMs). Because of the complementary advantages of workers and SMs, their combination has the poten

Cited by 11SourceScholar