← Search

Ka-Chun Wong

7 accepted papers

2025

TRNAS: A Training-Free Robust Neural Architecture Search

ICCV 2025poster

Deep Neural Networks (DNNs) have been successfully applied in various computer tasks. However, they remain vulnerable to adversarial attacks, which could lead to severe security risks. In recent years, robust neural architecture search (NAS) has gradually become an emerging direction for designing a…

Cited by 0SourcePDFScholar
2024

A versatile informative diffusion model for single-cell ATAC-seq data generation and analysis

NeurIPS 2024poster

The rapid advancement of single-cell ATAC sequencing (scATAC-seq) technologies holds great promise for investigating the heterogeneity of epigenetic landscapes at the cellular level. The amplification process in scATAC-seq experiments often introduces noise due to dropout events, which results in ex…

Cited by 0SourcePDFScholar
2024

Unsupervised Gene-Cell Collective Representation Learning with Optimal Transport

AAAI 2024technical

Cell type identification plays a vital role in single-cell RNA sequencing (scRNA-seq) data analysis. Although many deep embedded methods to cluster scRNA-seq data have been proposed, they still fail in elucidating the intrinsic properties of cells and genes. Here, we present a novel end-to-end deep…

Cited by 0SourcePDFScholar
2023

EARA: Improving Biomedical Semantic Textual Similarity with Entity-Aligned Attention and Retrieval Augmentation

EMNLP 2023long findings

Measuring Semantic Textual Similarity (STS) is a fundamental task in biomedical text processing, which aims at quantifying the similarity between two input biomedical sentences. Unfortunately, the STS datasets in the biomedical domain are relatively smaller but more complex in semantics than common…

Cited by 0SourcecodeScholar
2023

MDM: Molecular Diffusion Model for 3D Molecule Generation

AAAI 2023technical

Molecule generation, especially generating 3D molecular geometries from scratch (i.e., 3D de novo generation), has become a fundamental task in drug design. Existing diffusion based 3D molecule generation methods could suffer from unsatisfactory performances, especially when generating large molecul…

2023

Unsupervised Deep Embedded Fusion Representation of Single-Cell Transcriptomics

AAAI 2023technical

Cell clustering is a critical step in analyzing single-cell RNA sequencing (scRNA-seq) data, which allows us to characterize the cellular heterogeneity of transcriptional profiling at the single-cell level. Single-cell deep embedded representation models have recently become popular since they can l…

Cited by 5SourcePDFScholar
2022

ZINB-Based Graph Embedding Autoencoder for Single-Cell RNA-Seq Interpretations

AAAI 2022technical

Single-cell RNA sequencing (scRNA-seq) provides high-throughput information about the genome-wide gene expression levels at the single-cell resolution, bringing a precise understanding on the transcriptome of individual cells. Unfortunately, the rapidly growing scRNA-seq data and the prevalence of d…

Cited by 74SourcePDFScholar