Search Results for author: Yongyi Lu

Found 29 papers, 13 papers with code

Exploiting Structural Consistency of Chest Anatomy for Unsupervised Anomaly Detection in Radiography Images

1 code implementation13 Mar 2024 Tiange Xiang, Yixiao Zhang, Yongyi Lu, Alan Yuille, Chaoyi Zhang, Weidong Cai, Zongwei Zhou

To this end, we propose a Simple Space-Aware Memory Matrix for In-painting and Detecting anomalies from radiography images (abbreviated as SimSID).

Anatomy Image Reconstruction +1

3D TransUNet: Advancing Medical Image Segmentation through Vision Transformers

2 code implementations11 Oct 2023 Jieneng Chen, Jieru Mei, Xianhang Li, Yongyi Lu, Qihang Yu, Qingyue Wei, Xiangde Luo, Yutong Xie, Ehsan Adeli, Yan Wang, Matthew Lungren, Lei Xing, Le Lu, Alan Yuille, Yuyin Zhou

In this paper, we extend the 2D TransUNet architecture to a 3D network by building upon the state-of-the-art nnU-Net architecture, and fully exploring Transformers' potential in both the encoder and decoder design.

Image Segmentation Medical Image Segmentation +3

Boosting Dermatoscopic Lesion Segmentation via Diffusion Models with Visual and Textual Prompts

no code implementations4 Oct 2023 Shiyi Du, Xiaosong Wang, Yongyi Lu, Yuyin Zhou, Shaoting Zhang, Alan Yuille, Kang Li, Zongwei Zhou

Image synthesis approaches, e. g., generative adversarial networks, have been popular as a form of data augmentation in medical image analysis tasks.

Data Augmentation Image Generation +2

Abdominal multi-organ segmentation in CT using Swinunter

no code implementations28 Sep 2023 Mingjin Chen, Yongkang He, Yongyi Lu

Abdominal multi-organ segmentation in computed tomography (CT) is crucial for many clinical applications including disease detection and treatment planning.

Computed Tomography (CT) Organ Segmentation

Spatial-Temporal Knowledge-Embedded Transformer for Video Scene Graph Generation

1 code implementation23 Sep 2023 Tao Pu, Tianshui Chen, Hefeng Wu, Yongyi Lu, Liang Lin

In this work, we propose a spatial-temporal knowledge-embedded transformer (STKET) that incorporates the prior spatial-temporal knowledge into the multi-head cross-attention mechanism to learn more representative relationship representations.

Graph Generation Object +2

Data-Centric Diet: Effective Multi-center Dataset Pruning for Medical Image Segmentation

no code implementations2 Aug 2023 Yongkang He, Mingjin Chen, Zhijing Yang, Yongyi Lu

This paper seeks to address the dense labeling problems where a significant fraction of the dataset can be pruned without sacrificing much accuracy.

Image Classification Image Segmentation +3

Open-World Pose Transfer via Sequential Test-Time Adaption

no code implementations20 Mar 2023 Junyang Chen, Xiaoyu Xian, Zhijing Yang, Tianshui Chen, Yongyi Lu, Yukai Shi, Jinshan Pan, Liang Lin

In open-world conditions, the pose transfer task raises various independent signals: OOD appearance and skeleton, which need to be extracted and distributed in speciality.

Motion Synthesis Person Re-Identification +1

CLIP-Driven Universal Model for Organ Segmentation and Tumor Detection

2 code implementations ICCV 2023 Jie Liu, Yixiao Zhang, Jie-Neng Chen, Junfei Xiao, Yongyi Lu, Bennett A. Landman, Yixuan Yuan, Alan Yuille, Yucheng Tang, Zongwei Zhou

The proposed model is developed from an assembly of 14 datasets, using a total of 3, 410 CT scans for training and then evaluated on 6, 162 external CT scans from 3 additional datasets.

Organ Segmentation Segmentation +1

Making Your First Choice: To Address Cold Start Problem in Vision Active Learning

1 code implementation5 Oct 2022 Liangyu Chen, Yutong Bai, Siyu Huang, Yongyi Lu, Bihan Wen, Alan L. Yuille, Zongwei Zhou

However, we uncover a striking contradiction to this promise: active learning fails to select data as efficiently as random selection at the first few choices.

Active Learning Contrastive Learning

Unsupervised Domain Adaptation through Shape Modeling for Medical Image Segmentation

1 code implementation6 Jul 2022 Yuan YAO, Fengze Liu, Zongwei Zhou, Yan Wang, Wei Shen, Alan Yuille, Yongyi Lu

Previous methods proposed Variational Autoencoder (VAE) based models to learn the distribution of shape for a particular organ and used it to automatically evaluate the quality of a segmentation prediction by fitting it into the learned shape distribution.

Image Segmentation Pancreas Segmentation +3

Exploring Negatives in Contrastive Learning for Unpaired Image-to-Image Translation

no code implementations23 Apr 2022 Yupei Lin, Sen Zhang, Tianshui Chen, Yongyi Lu, Guangping Li, Yukai Shi

Recently, contrastive learning (CL) has been used to further investigate the image correspondence in unpaired image translation by using patch-based positive/negative learning.

Contrastive Learning Image-to-Image Translation +1

MT-TransUNet: Mediating Multi-Task Tokens in Transformers for Skin Lesion Segmentation and Classification

1 code implementation3 Dec 2021 Jingye Chen, Jieneng Chen, Zongwei Zhou, Bin Li, Alan Yuille, Yongyi Lu

However, these approaches formulated skin cancer diagnosis as a simple classification task, dismissing the potential benefit from lesion segmentation.

Classification Computational Efficiency +4

SQUID: Deep Feature In-Painting for Unsupervised Anomaly Detection

2 code implementations CVPR 2023 Tiange Xiang, Yixiao Zhang, Yongyi Lu, Alan L. Yuille, Chaoyi Zhang, Weidong Cai, Zongwei Zhou

Radiography imaging protocols focus on particular body regions, therefore producing images of great similarity and yielding recurrent anatomical structures across patients.

Anatomy Unsupervised Anomaly Detection

Label-Assemble: Leveraging Multiple Datasets with Partial Labels

2 code implementations25 Sep 2021 Mintong Kang, Bowen Li, Zengle Zhu, Yongyi Lu, Elliot K. Fishman, Alan L. Yuille, Zongwei Zhou

We discovered that learning from negative examples facilitates both computer-aided disease diagnosis and detection.

COVID-19 Diagnosis Specificity

Glance-and-Gaze Vision Transformer

1 code implementation NeurIPS 2021 Qihang Yu, Yingda Xia, Yutong Bai, Yongyi Lu, Alan Yuille, Wei Shen

It is motivated by the Glance and Gaze behavior of human beings when recognizing objects in natural scenes, with the ability to efficiently model both long-range dependencies and local context.

TransUNet: Transformers Make Strong Encoders for Medical Image Segmentation

20 code implementations8 Feb 2021 Jieneng Chen, Yongyi Lu, Qihang Yu, Xiangde Luo, Ehsan Adeli, Yan Wang, Le Lu, Alan L. Yuille, Yuyin Zhou

Medical image segmentation is an essential prerequisite for developing healthcare systems, especially for disease diagnosis and treatment planning.

Cardiac Segmentation Image Segmentation +3

ASAP-Net: Attention and Structure Aware Point Cloud Sequence Segmentation

1 code implementation12 Aug 2020 Hanwen Cao, Yongyi Lu, Cewu Lu, Bo Pang, Gongshen Liu, Alan Yuille

In this paper, we further improve spatio-temporal point cloud feature learning with a flexible module called ASAP considering both attention and structure information across frames, which we find as two important factors for successful segmentation in dynamic point clouds.

Segmentation

Domain Adaptive Relational Reasoning for 3D Multi-Organ Segmentation

no code implementations18 May 2020 Shuhao Fu, Yongyi Lu, Yan Wang, Yuyin Zhou, Wei Shen, Elliot Fishman, Alan Yuille

In this paper, we present a novel unsupervised domain adaptation (UDA) method, named Domain Adaptive Relational Reasoning (DARR), to generalize 3D multi-organ segmentation models to medical data collected from different scanners and/or protocols (domains).

Organ Segmentation Relational Reasoning +3

Segmentation for Classification of Screening Pancreatic Neuroendocrine Tumors

no code implementations4 Apr 2020 Zhuotun Zhu, Yongyi Lu, Wei Shen, Elliot K. Fishman, Alan L. Yuille

This work presents comprehensive results to detect in the early stage the pancreatic neuroendocrine tumors (PNETs), a group of endocrine tumors arising in the pancreas, which are the second common type of pancreatic cancer, by checking the abdominal CT scans.

Classification General Classification +1

Image Generation from Sketch Constraint Using Contextual GAN

1 code implementation ECCV 2018 Yongyi Lu, Shangzhe Wu, Yu-Wing Tai, Chi-Keung Tang

We train a generated adversarial network, i. e, contextual GAN to learn the joint distribution of sketch and the corresponding image by using joint images.

Image-to-Image Translation Translation

Attribute-Guided Face Generation Using Conditional CycleGAN

no code implementations ECCV 2018 Yongyi Lu, Yu-Wing Tai, Chi-Keung Tang

We are interested in attribute-guided face generation: given a low-res face input image, an attribute vector that can be extracted from a high-res image (attribute image), our new method generates a high-res face image for the low-res input that satisfies the given attributes.

Attribute Face Generation +2

Beyond Holistic Object Recognition: Enriching Image Understanding with Part States

no code implementations CVPR 2018 Cewu Lu, Hao Su, Yongyi Lu, Li Yi, Chi-Keung Tang, Leonidas Guibas

Important high-level vision tasks such as human-object interaction, image captioning and robotic manipulation require rich semantic descriptions of objects at part level.

Human-Object Interaction Detection Image Captioning +1

Square Localization for Efficient and Accurate Object Detection

no code implementations ICCV 2015 Cewu Lu, Yongyi Lu, Hao Chen, Chi-Keung Tang

In the testing phase, sliding CNN models are applied which produces a set of response maps that can be effectively filtered by the learned co-presence prior to output the final bounding boxes for localizing an object.

Object object-detection +2

Towards a solid solution of real-time fire and flame detection

no code implementations2 Feb 2015 Bo Jiang, Yongyi Lu, Xiying Li, Liang Lin

Although the object detection and recognition has received growing attention for decades, a robust fire and flame detection method is rarely explored.

object-detection Object Detection +1

Integrating Graph Partitioning and Matching for Trajectory Analysis in Video Surveillance

no code implementations2 Feb 2015 Liang Lin, Yongyi Lu, Yan Pan, Xiaowu Chen

With this graph representation, we pose trajectory analysis as a joint task of spatial graph partitioning and temporal graph matching.

Attribute Graph Matching +1

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