Search Results for author: Michael Fulham

Found 25 papers, 7 papers with code

Enhancing medical vision-language contrastive learning via inter-matching relation modelling

no code implementations19 Jan 2024 Mingjian Li, Mingyuan Meng, Michael Fulham, David Dagan Feng, Lei Bi, Jinman Kim

These learned image representations can be transferred to and benefit various downstream medical vision tasks such as disease classification and segmentation.

Contrastive Learning Cross-Modal Retrieval +3

PET Synthesis via Self-supervised Adaptive Residual Estimation Generative Adversarial Network

no code implementations24 Oct 2023 Yuxin Xue, Lei Bi, Yige Peng, Michael Fulham, David Dagan Feng, Jinman Kim

We introduce (1) An adaptive residual estimation mapping mechanism, AE-Net, designed to dynamically rectify the preliminary synthesized PET images by taking the residual map between the low-dose PET and synthesized output as the input, and (2) A self-supervised pre-training strategy to enhance the feature representation of the coarse generator.

Generative Adversarial Network

AutoFuse: Automatic Fusion Networks for Deformable Medical Image Registration

1 code implementation11 Sep 2023 Mingyuan Meng, Michael Fulham, Dagan Feng, Lei Bi, Jinman Kim

However, DNN-based registration needs to explore the spatial information of each image and fuse this information to characterize spatial correspondence.

Deformable Medical Image Registration Image Registration +1

Non-iterative Coarse-to-fine Transformer Networks for Joint Affine and Deformable Image Registration

1 code implementation7 Jul 2023 Mingyuan Meng, Lei Bi, Michael Fulham, Dagan Feng, Jinman Kim

Recently, Non-Iterative Coarse-to-finE (NICE) registration methods have been proposed to perform coarse-to-fine registration in a single network and showed advantages in both registration accuracy and runtime.

Image Registration

AdaMSS: Adaptive Multi-Modality Segmentation-to-Survival Learning for Survival Outcome Prediction from PET/CT Images

2 code implementations17 May 2023 Mingyuan Meng, Bingxin Gu, Michael Fulham, Shaoli Song, Dagan Feng, Lei Bi, Jinman Kim

Instead of adopting MTL, we propose a novel Segmentation-to-Survival Learning (SSL) strategy, where our AdaMSS is trained for tumor segmentation and survival prediction sequentially in two stages.

Multi-Task Learning Segmentation +2

Hyper-Connected Transformer Network for Multi-Modality PET-CT Segmentation

no code implementations28 Oct 2022 Lei Bi, Michael Fulham, Shaoli Song, David Dagan Feng, Jinman Kim

We also introduced a hyper connected fusion to fuse the contextual and complementary image features across multiple transformers in an iterative manner.

Segmentation Tumor Segmentation

Predicting Distant Metastases in Soft-Tissue Sarcomas from PET-CT scans using Constrained Hierarchical Multi-Modality Feature Learning

no code implementations23 Apr 2021 Yige Peng, Lei Bi, Ashnil Kumar, Michael Fulham, Dagan Feng, Jinman Kim

Most CNNs are designed for single-modality imaging data (CT or PET alone) and do not exploit the information embedded in PET-CT where there is a combination of an anatomical and functional imaging modality.

Management STS

Enhancing Medical Image Registration via Appearance Adjustment Networks

2 code implementations9 Mar 2021 Mingyuan Meng, Lei Bi, Michael Fulham, David Dagan Feng, Jinman Kim

In this study, we propose an Appearance Adjustment Network (AAN) to enhance the adaptability of DLRs to appearance variations.

Anatomy Computational Efficiency +2

Deep Multi-Scale Resemblance Network for the Sub-class Differentiation of Adrenal Masses on Computed Tomography Images

no code implementations29 Jul 2020 Lei Bi, Jinman Kim, Tingwei Su, Michael Fulham, David Dagan Feng, Guang Ning

The application of CNNs, to adrenal masses is challenging due to large intra-class variations, large inter-class similarities and imbalanced training data due to the size of the mass lesions.

Computed Tomography (CT) Management

Unsupervised Feature Learning with K-means and An Ensemble of Deep Convolutional Neural Networks for Medical Image Classification

no code implementations7 Jun 2019 Euijoon Ahn, Ashnil Kumar, Dagan Feng, Michael Fulham, Jinman Kim

Hence, we propose a new unsupervised feature learning method that learns feature representations to then differentiate dissimilar medical images using an ensemble of different convolutional neural networks (CNNs) and K-means clustering.

Clustering General Classification +2

Unsupervised Deep Transfer Feature Learning for Medical Image Classification

no code implementations15 Mar 2019 Euijoon Ahn, Ashnil Kumar, Dagan Feng, Michael Fulham, Jinman Kim

The accuracy and robustness of image classification with supervised deep learning are dependent on the availability of large-scale, annotated training data.

General Classification Image Classification +1

Automated Segmentation of the Optic Disk and Cup using Dual-Stage Fully Convolutional Networks

no code implementations13 Feb 2019 Lei Bi, Yuyu Guo, Qian Wang, Dagan Feng, Michael Fulham, Jinman Kim

Our approach leverages deep residual architectures and FCNs and learns and infers the location of the optic cup and disk in a step-wise manner with fine-grained details.

Segmentation

Co-Learning Feature Fusion Maps from PET-CT Images of Lung Cancer

1 code implementation5 Oct 2018 Ashnil Kumar, Michael Fulham, Dagan Feng, Jinman Kim

Our aim is to improve fusion of the complementary information in multi-modality PET-CT with a new supervised convolutional neural network (CNN) that learns to fuse complementary information for multi-modality medical image analysis.

Tumor Segmentation

3D Global Convolutional Adversarial Network\\ for Prostate MR Volume Segmentation

no code implementations18 Jul 2018 Haozhe Jia, Yang song, Donghao Zhang, Heng Huang, Dagan Feng, Michael Fulham, Yong Xia, Weidong Cai

In this paper, we propose a 3D Global Convolutional Adversarial Network (3D GCA-Net) to address efficient prostate MR volume segmentation.

General Classification Segmentation

Convolutional Sparse Kernel Network for Unsupervised Medical Image Analysis

no code implementations16 Jul 2018 Euijoon Ahn, Jinman Kim, Ashnil Kumar, Michael Fulham, Dagan Feng

The availability of large-scale annotated image datasets and recent advances in supervised deep learning methods enable the end-to-end derivation of representative image features that can impact a variety of image analysis problems.

Medical Image Retrieval Retrieval

An unsupervised long short-term memory neural network for event detection in cell videos

no code implementations7 Sep 2017 Ha Tran Hong Phan, Ashnil Kumar, David Feng, Michael Fulham, Jinman Kim

We compared our method to several published supervised methods evaluated on the same dataset and to a supervised LSTM method with a similar design and configuration to our unsupervised method.

Event Detection

Synthesis of Positron Emission Tomography (PET) Images via Multi-channel Generative Adversarial Networks (GANs)

2 code implementations31 Jul 2017 Lei Bi, Jinman Kim, Ashnil Kumar, Dagan Feng, Michael Fulham

Positron emission tomography (PET) image synthesis plays an important role, which can be used to boost the training data for computer aided diagnosis systems.

Computed Tomography (CT) Image Generation

Morphometry-Based Longitudinal Neurodegeneration Simulation with MR Imaging

no code implementations24 Aug 2015 Si-Qi Liu, Sidong Liu, Sonia Pujol, Ron Kikinis, Dagan Feng, Michael Fulham, Weidong Cai

We present a longitudinal MR simulation framework which simulates the future neurodegenerative progression by outputting the predicted follow-up MR image and the voxel-based morphometry (VBM) map.

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