Search Results for author: Mengling Feng

Found 19 papers, 3 papers with code

AIC-UNet: Anatomy-informed Cascaded UNet for Robust Multi-Organ Segmentation

no code implementations27 Mar 2024 Young Seok Jeon, Hongfei Yang, Huazhu Fu, Mengling Feng

Imposing key anatomical features, such as the number of organs, their shapes, sizes, and relative positions, is crucial for building a robust multi-organ segmentation model.

Anatomy Organ Segmentation +1

Learning the Unlearned: Mitigating Feature Suppression in Contrastive Learning

no code implementations19 Feb 2024 Jihai Zhang, Xiang Lan, Xiaoye Qu, Yu Cheng, Mengling Feng, Bryan Hooi

Self-Supervised Contrastive Learning has proven effective in deriving high-quality representations from unlabeled data.

Contrastive Learning

The NUS-HLT System for ICASSP2024 ICMC-ASR Grand Challenge

no code implementations26 Dec 2023 Meng Ge, Yizhou Peng, Yidi Jiang, Jingru Lin, Junyi Ao, Mehmet Sinan Yildirim, Shuai Wang, Haizhou Li, Mengling Feng

This paper summarizes our team's efforts in both tracks of the ICMC-ASR Challenge for in-car multi-channel automatic speech recognition.

Automatic Speech Recognition Data Augmentation +2

Selective HuBERT: Self-Supervised Pre-Training for Target Speaker in Clean and Mixture Speech

no code implementations8 Nov 2023 Jingru Lin, Meng Ge, Wupeng Wang, Haizhou Li, Mengling Feng

Self-supervised pre-trained speech models were shown effective for various downstream speech processing tasks.

A Survey of Large Language Models for Healthcare: from Data, Technology, and Applications to Accountability and Ethics

1 code implementation9 Oct 2023 Kai He, Rui Mao, Qika Lin, Yucheng Ruan, Xiang Lan, Mengling Feng, Erik Cambria

This shift encompasses a move from discriminative AI approaches to generative AI approaches, as well as a shift from model-centered methodologies to datacentered methodologies.

Ethics Fairness

A review of uncertainty quantification in medical image analysis: probabilistic and non-probabilistic methods

no code implementations9 Oct 2023 Ling Huang, Su Ruan, Yucheng Xing, Mengling Feng

Generally, this review aims to allow researchers from both clinical and technical backgrounds to gain a quick and yet in-depth understanding of the research in uncertainty quantification for medical image analysis machine learning models.

Uncertainty Quantification

P-Transformer: A Prompt-based Multimodal Transformer Architecture For Medical Tabular Data

no code implementations30 Mar 2023 Yucheng Ruan, Xiang Lan, Daniel J. Tan, Hairil Rizal Abdullah, Mengling Feng

While deep learning approaches, particularly transformer-based models, have shown remarkable performance in tabular data prediction, there are still problems remained for existing work to be effectively adapted into medical domain, such as under-utilization of unstructured free-texts, limited exploration of textual information in structured data, and data corruption.

Multimodal Deep Learning Sentence

Towards Enhancing Time Series Contrastive Learning: A Dynamic Bad Pair Mining Approach

1 code implementation7 Feb 2023 Xiang Lan, Hanshu Yan, Shenda Hong, Mengling Feng

In this paper, we study two types of bad positive pairs that can impair the quality of time series representation learned through contrastive learning: the noisy positive pair and the faulty positive pair.

Contrastive Learning Representation Learning +2

FCSN: Global Context Aware Segmentation by Learning the Fourier Coefficients of Objects in Medical Images

no code implementations29 Jul 2022 Young Seok Jeon, Hongfei Yang, Mengling Feng

In this work, we propose a Fourier Coefficient Segmentation Network~(FCSN) -- a novel DNN-based model that segments an object by learning the complex Fourier coefficients of the object's masks.

Image Segmentation Medical Image Segmentation +2

UFRC: A Unified Framework for Reliable COVID-19 Detection on Crowdsourced Cough Audio

no code implementations16 Apr 2022 Jiangeng Chang, Yucheng Ruan, Cui Shaoze, John Soong Tshon Yit, Mengling Feng

We suggested a unified system with core components of data augmentation, ImageNet-pretrained ResNet-50, cost-sensitive loss, deep ensemble learning, and uncertainty estimation to quickly and consistently detect COVID-19 using acoustic evidence.

Data Augmentation Ensemble Learning

Intra-Inter Subject Self-supervised Learning for Multivariate Cardiac Signals

no code implementations18 Sep 2021 Xiang Lan, Dianwen Ng, Shenda Hong, Mengling Feng

In inter subject self-supervision, we design a set of data augmentations according to the clinical characteristics of cardiac signals and perform contrastive learning among subjects to learn distinctive representations for various types of patients.

Contrastive Learning Self-Supervised Learning +1

DiCOVA-Net: Diagnosing COVID-19 using Acoustics based on Deep Residual Network for the DiCOVA Challenge 2021

no code implementations11 Jul 2021 Jiangeng Chang, Shaoze Cui, Mengling Feng

In this paper, we propose a deep residual network-based method, namely the DiCOVA-Net, to identify COVID-19 infected patients based on the acoustic recording of their coughs.

Data Augmentation Ensemble Learning

Multi-task Graph Convolutional Neural Network for Calcification Morphology and Distribution Analysis in Mammograms

no code implementations14 May 2021 Hao Du, Melissa Min-Szu Yao, Liangyu Chen, Wing P. Chan, Mengling Feng

In this study, we proposed a multi-task deep graph convolutional network (GCN) method for the automatic characterization of morphology and distribution of microcalcifications in mammograms.

Graph Classification Graph Learning

Zoom in to where it matters: a hierarchical graph based model for mammogram analysis

no code implementations16 Dec 2019 Hao Du, Jiashi Feng, Mengling Feng

In clinical practice, human radiologists actually review medical images with high resolution monitors and zoom into region of interests (ROIs) for a close-up examination.

General Classification Graph Attention +2

Deep Reinforcement Learning for Clinical Decision Support: A Brief Survey

no code implementations22 Jul 2019 Si-Qi Liu, Kee Yuan Ngiam, Mengling Feng

Owe to the recent advancements in Artificial Intelligence especially deep learning, many data-driven decision support systems have been implemented to facilitate medical doctors in delivering personalized care.

reinforcement-learning Reinforcement Learning (RL)

A Self-Correcting Deep Learning Approach to Predict Acute Conditions in Critical Care

no code implementations14 Jan 2019 Ziyuan Pan, Hao Du, Kee Yuan Ngiam, Fei Wang, Ping Shum, Mengling Feng

Compared with the existing models, our method has a number of distinct features: we utilized the accumulative data of patients in ICU; we developed a self-correcting mechanism that feeds errors from the previous predictions back into the network; we also proposed a regularization method that takes into account not only the model's prediction error on the label but also its estimation errors on the input data.

MIMIC-III, a freely accessible critical care database

2 code implementations Nature 2016 Alistair E.W. Johnson, Tom J. Pollard, Lu Shen, Li-wei H. Lehman, Mengling Feng, Mohammad Ghassemi, Benjamin Moody, Peter Szolovits, Leo Anthony Celi, Roger G. Mark

MIMIC-III (‘Medical Information Mart for Intensive Care’) is a large, single-center database comprising information relating to patients admitted to critical care units at a large tertiary care hospital.

Blood pressure estimation Data Integration +6

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