Search Results for author: Xiaofeng Yang

Found 36 papers, 7 papers with code

IT3D: Improved Text-to-3D Generation with Explicit View Synthesis

1 code implementation22 Aug 2023 YiWen Chen, Chi Zhang, Xiaofeng Yang, Zhongang Cai, Gang Yu, Lei Yang, Guosheng Lin

Recent strides in Text-to-3D techniques have been propelled by distilling knowledge from powerful large text-to-image diffusion models (LDMs).

3D Generation Text to 3D

DESCN: Deep Entire Space Cross Networks for Individual Treatment Effect Estimation

1 code implementation19 Jul 2022 Kailiang Zhong, Fengtong Xiao, Yan Ren, Yaorong Liang, Wenqing Yao, Xiaofeng Yang, Ling Cen

Our method jointly learns the treatment and response functions in the entire sample space to avoid treatment bias and employs an intermediate pseudo treatment effect prediction network to relieve sample imbalance.

Causal Inference Multi-Task Learning

Polyp-SAM: Transfer SAM for Polyp Segmentation

1 code implementation29 Apr 2023 Yuheng Li, Mingzhe Hu, Xiaofeng Yang

In this study, we propose Poly-SAM, a finetuned SAM model for polyp segmentation, and compare its performance to several state-of-the-art polyp segmentation models.

Image Segmentation Medical Image Segmentation +3

DMBGN: Deep Multi-Behavior Graph Networks for Voucher Redemption Rate Prediction

1 code implementation7 Jun 2021 Fengtong Xiao, Lin Li, Weinan Xu, Jingyu Zhao, Xiaofeng Yang, Jun Lang, Hao Wang

In this paper, we propose a Deep Multi-behavior Graph Networks (DMBGN) to shed light on this field for the voucher redemption rate prediction.

Marketing

Synthetic CT Generation from MRI using 3D Transformer-based Denoising Diffusion Model

1 code implementation31 May 2023 Shaoyan Pan, Elham Abouei, Jacob Wynne, Tonghe Wang, Richard L. J. Qiu, Yuheng Li, Chih-Wei Chang, Junbo Peng, Justin Roper, Pretesh Patel, David S. Yu, Hui Mao, Xiaofeng Yang

The proposed model consists of two processes: a forward process which adds Gaussian noise to real CT scans, and a reverse process in which a shifted-window transformer V-net (Swin-Vnet) denoises the noisy CT scans conditioned on the MRI from the same patient to produce noise-free CT scans.

Anatomy Denoising +3

Deep Learning in Medical Image Registration: A Review

no code implementations27 Dec 2019 Yabo Fu, Yang Lei, Tonghe Wang, Walter J. Curran, Tian Liu, Xiaofeng Yang

Lastly, we analyzed the statistics of all the cited works from various aspects, revealing the popularity and future trend of development in medical image registration using deep learning.

Image Registration Medical Image Registration

Machine Learning in Quantitative PET Imaging

no code implementations18 Jan 2020 Tonghe Wang, Yang Lei, Yabo Fu, Walter J. Curran, Tian Liu, Xiaofeng Yang

This paper reviewed the machine learning-based studies for quantitative positron emission tomography (PET).

BIG-bench Machine Learning

Any-k: Anytime Top-k Tree Pattern Retrieval in Labeled Graphs

1 code implementation16 Feb 2018 Xiaofeng Yang, Deepak Ajwani, Wolfgang Gatterbauer, Patrick K. Nicholson, Mirek Riedewald, Alessandra Sala

We therefore propose the novel notion of an any-k ranking algorithm: for a given time budget, re- turn as many of the top-ranked results as possible.

Social and Information Networks Databases Data Structures and Algorithms

Self-Training Vision Language BERTs with a Unified Conditional Model

no code implementations6 Jan 2022 Xiaofeng Yang, Fengmao Lv, Fayao Liu, Guosheng Lin

We use the labeled image data to train a teacher model and use the trained model to generate pseudo captions on unlabeled image data.

Deep Q-learning of global optimizer of multiply model parameters for viscoelastic imaging

no code implementations1 Apr 2022 Hongmei Zhang, Kai Wang, Yan Zhou, Shadab Momin, Xiaofeng Yang, Mostafa Fatemi, Michael F. Insana

Significance: DQMP method is promising for imaging of multiple parameters, and can be generalized to global optimization for many other complex nonconvex functions and imaging of physical parameters.

Decision Making Q-Learning

Multi-organ Segmentation Network with Adversarial Performance Validator

no code implementations16 Apr 2022 HaoYu Fang, Yi Fang, Xiaofeng Yang

The proposed network organically converts the 2D-coarse result to 3D high-quality segmentation masks in a coarse-to-fine manner, allowing joint optimization to improve segmentation accuracy.

Computed Tomography (CT) Organ Segmentation +2

Reinforcement Learning in Medical Image Analysis: Concepts, Applications, Challenges, and Future Directions

no code implementations28 Jun 2022 Mingzhe Hu, Jiahan Zhang, Luke Matkovic, Tian Liu, Xiaofeng Yang

Compared to the enormous deployments of supervised and unsupervised learning models, attempts to use reinforcement learning in medical image analysis are scarce.

reinforcement-learning Reinforcement Learning (RL)

Deformable Image Registration using Unsupervised Deep Learning for CBCT-guided Abdominal Radiotherapy

no code implementations29 Aug 2022 Huiqiao Xie, Yang Lei, Yabo Fu, Tonghe Wang, Justin Roper, Jeffrey D. Bradley, Pretesh Patel, Tian Liu, Xiaofeng Yang

The STN consists of a global generative adversarial network (GlobalGAN) and a local GAN (LocalGAN) to predict the coarse- and fine-scale motions, respectively.

Anatomy Generative Adversarial Network +1

Landmark Tracking in Liver US images Using Cascade Convolutional Neural Networks with Long Short-Term Memory

no code implementations14 Sep 2022 Yupei Zhang, Xianjin Dai, Zhen Tian, Yang Lei, Jacob F. Wynne, Pretesh Patel, Yue Chen, Tian Liu, Xiaofeng Yang

We further tested the proposed model on 69 landmarks from the testing dataset that has a similar image pattern to the training pattern, resulting in a mean tracking error of 0. 94+/-0. 83 mm.

Landmark Tracking regression

Effective End-to-End Vision Language Pretraining with Semantic Visual Loss

no code implementations18 Jan 2023 Xiaofeng Yang, Fayao Liu, Guosheng Lin

Current vision language pretraining models are dominated by methods using region visual features extracted from object detectors.

Deep Learning-based Multi-Organ CT Segmentation with Adversarial Data Augmentation

no code implementations25 Feb 2023 Shaoyan Pan, Shao-Yuan Lo, Min Huang, Chaoqiong Ma, Jacob Wynne, Tonghe Wang, Tian Liu, Xiaofeng Yang

In this work, we propose an adversarial attack-based data augmentation method to improve the deep-learning-based segmentation algorithm for the delineation of Organs-At-Risk (OAR) in abdominal Computed Tomography (CT) to facilitate radiation therapy.

Adversarial Attack Computed Tomography (CT) +3

Advancing Medical Imaging with Language Models: A Journey from N-grams to ChatGPT

no code implementations11 Apr 2023 Mingzhe Hu, Shaoyan Pan, Yuheng Li, Xiaofeng Yang

In this paper, we aimed to provide a review and tutorial for researchers in the field of medical imaging using language models to improve their tasks at hand.

Image Captioning Question Answering +1

SkinSAM: Empowering Skin Cancer Segmentation with Segment Anything Model

no code implementations27 Apr 2023 Mingzhe Hu, Yuheng Li, Xiaofeng Yang

Skin cancer is a prevalent and potentially fatal disease that requires accurate and efficient diagnosis and treatment.

Image Segmentation Segmentation +2

Cross-Shaped Windows Transformer with Self-supervised Pretraining for Clinically Significant Prostate Cancer Detection in Bi-parametric MRI

no code implementations30 Apr 2023 Yuheng Li, Jacob Wynne, Jing Wang, Richard L. J. Qiu, Justin Roper, Shaoyan Pan, Ashesh B. Jani, Tian Liu, Pretesh R. Patel, Hui Mao, Xiaofeng Yang

We introduce a novel end-to-end Cross-Shaped windows (CSwin) transformer UNet model, CSwin UNet, to detect clinically significant prostate cancer (csPCa) in prostate bi-parametric MR imaging (bpMRI) and demonstrate the effectiveness of our proposed self-supervised pre-training framework.

Self-Supervised Learning

Cycle-guided Denoising Diffusion Probability Model for 3D Cross-modality MRI Synthesis

no code implementations28 Apr 2023 Shaoyan Pan, Chih-Wei Chang, Junbo Peng, Jiahan Zhang, Richard L. J. Qiu, Tonghe Wang, Justin Roper, Tian Liu, Hui Mao, Xiaofeng Yang

The two DDPMs exchange random latent noise in the reverse processes, which helps to regularize both DDPMs and generate matching images in two modalities.

Denoising Image-to-Image Translation

BreastSAM: A Study of Segment Anything Model for Breast Tumor Detection in Ultrasound Images

no code implementations21 May 2023 Mingzhe Hu, Yuheng Li, Xiaofeng Yang

We conducted a thorough investigation of the Segment Anything Model (SAM) for the task of interactive segmentation of breast tumors in ultrasound images.

Interactive Segmentation Segmentation +1

Attention-Driven Lightweight Model for Pigmented Skin Lesion Detection

no code implementations4 Aug 2023 Mingzhe Hu, Xiaofeng Yang

The model also incorporates a knowledge-based loss weighting technique, which assigns different weights to the loss function at the class level and the instance level, helping the model focus on minority classes and challenging samples.

Image Augmentation Lesion Detection

Towards General and Efficient Online Tuning for Spark

no code implementations5 Sep 2023 Yang Li, Huaijun Jiang, Yu Shen, Yide Fang, Xiaofeng Yang, Danqing Huang, Xinyi Zhang, Wentao Zhang, Ce Zhang, Peng Chen, Bin Cui

The distributed data analytic system -- Spark is a common choice for processing massive volumes of heterogeneous data, while it is challenging to tune its parameters to achieve high performance.

Bayesian Optimization Meta-Learning

MAGI: Multi-Annotated Explanation-Guided Learning

no code implementations ICCV 2023 Yifei Zhang, Siyi Gu, Yuyang Gao, Bo Pan, Xiaofeng Yang, Liang Zhao

This technique aims to improve the predictability of the model by incorporating human understanding of the prediction process into the training phase.

Variational Inference

Visual Attention-Prompted Prediction and Learning

no code implementations12 Oct 2023 Yifei Zhang, Siyi Gu, Bo Pan, Guangji Bai, Xiaofeng Yang, Liang Zhao

To tackle these challenges, we propose a novel framework called Visual Attention-Prompted Prediction and Learning, which seamlessly integrates visual attention prompts into the model's decision-making process and adapts to images both with and without attention prompts for prediction.

Decision Making

Sculpt3D: Multi-View Consistent Text-to-3D Generation with Sparse 3D Prior

no code implementations14 Mar 2024 Cheng Chen, Xiaofeng Yang, Fan Yang, Chengzeng Feng, Zhoujie Fu, Chuan-Sheng Foo, Guosheng Lin, Fayao Liu

In this paper, we present a new framework Sculpt3D that equips the current pipeline with explicit injection of 3D priors from retrieved reference objects without re-training the 2D diffusion model.

3D Generation Text to 3D

DUE: Dynamic Uncertainty-Aware Explanation Supervision via 3D Imputation

no code implementations16 Mar 2024 Qilong Zhao, Yifei Zhang, Mengdan Zhu, Siyi Gu, Yuyang Gao, Xiaofeng Yang, Liang Zhao

Explanation supervision aims to enhance deep learning models by integrating additional signals to guide the generation of model explanations, showcasing notable improvements in both the predictability and explainability of the model.

Imputation

A General and Efficient Federated Split Learning with Pre-trained Image Transformers for Heterogeneous Data

no code implementations24 Mar 2024 Yifan Shi, Yuhui Zhang, Ziyue Huang, Xiaofeng Yang, Li Shen, Wei Chen, Xueqian Wang

Federated Split Learning (FSL) is a promising distributed learning paradigm in practice, which gathers the strengths of both Federated Learning (FL) and Split Learning (SL) paradigms, to ensure model privacy while diminishing the resource overhead of each client, especially on large transformer models in a resource-constrained environment, e. g., Internet of Things (IoT).

Federated Learning

Magic-Boost: Boost 3D Generation with Mutli-View Conditioned Diffusion

no code implementations9 Apr 2024 Fan Yang, Jianfeng Zhang, Yichun Shi, Bowen Chen, Chenxu Zhang, Huichao Zhang, Xiaofeng Yang, Jiashi Feng, Guosheng Lin

Benefiting from the rapid development of 2D diffusion models, 3D content creation has made significant progress recently.

3D Generation

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