Search Results for author: Quan Quan

Found 21 papers, 6 papers with code

Inspecting Model Fairness in Ultrasound Segmentation Tasks

no code implementations5 Dec 2023 Zikang Xu, Fenghe Tang, Quan Quan, Jianrui Ding, Chunping Ning, S. Kevin Zhou

With the rapid expansion of machine learning and deep learning (DL), researchers are increasingly employing learning-based algorithms to alleviate diagnostic challenges across diverse medical tasks and applications.

Fairness Segmentation

MobileUtr: Revisiting the relationship between light-weight CNN and Transformer for efficient medical image segmentation

1 code implementation4 Dec 2023 Fenghe Tang, Bingkun Nian, Jianrui Ding, Quan Quan, Jie Yang, Wei Liu, S. Kevin Zhou

This work revisits the relationship between CNNs and Transformers in lightweight universal networks for medical image segmentation, aiming to integrate the advantages of both worlds at the infrastructure design level.

Image Segmentation Inductive Bias +3

Slide-SAM: Medical SAM Meets Sliding Window

1 code implementation16 Nov 2023 Quan Quan, Fenghe Tang, Zikang Xu, Heqin Zhu, S. Kevin Zhou

To address these problems, we propose Slide-SAM, which treats a stack of three adjacent slices as a prediction window.

Anatomy Image Segmentation +3

UOD: Universal One-shot Detection of Anatomical Landmarks

1 code implementation13 Jun 2023 Heqin Zhu, Quan Quan, Qingsong Yao, Zaiyi Liu, S. Kevin Zhou

However, existing one-shot learning methods are highly specialized in a single domain and suffer domain preference heavily in the situation of multi-domain unlabeled data.

One-Shot Learning

Unsupervised augmentation optimization for few-shot medical image segmentation

no code implementations8 Jun 2023 Quan Quan, Shang Zhao, Qingsong Yao, Heqin Zhu, S. Kevin Zhou

The augmentation parameters matter to few-shot semantic segmentation since they directly affect the training outcome by feeding the networks with varying perturbated samples.

Anatomy Few-Shot Semantic Segmentation +4

GDDS: Pulmonary Bronchioles Segmentation with Group Deep Dense Supervision

no code implementations16 Mar 2023 Mingyue Zhao, Shang Zhao, Quan Quan, Li Fan, Xiaolan Qiu, Shiyuan Liu, S. Kevin Zhou

To address these problems, we contribute a new bronchial segmentation method based on Group Deep Dense Supervision (GDDS) that emphasizes fine-scale bronchioles segmentation in a simple-but-effective manner.

Segmentation

FairAdaBN: Mitigating unfairness with adaptive batch normalization and its application to dermatological disease classification

1 code implementation15 Mar 2023 Zikang Xu, Shang Zhao, Quan Quan, Qingsong Yao, S. Kevin Zhou

Deep learning is becoming increasingly ubiquitous in medical research and applications while involving sensitive information and even critical diagnosis decisions.

Attribute Fairness

Information-guided pixel augmentation for pixel-wise contrastive learning

no code implementations14 Nov 2022 Quan Quan, Qingsong Yao, Jun Li, S. Kevin Zhou

To the best of our knowledge, we are the first to propose a pixel augmentation method with a pixel granularity for enhancing unsupervised pixel-wise contrastive learning.

Contrastive Learning Self-Supervised Learning

Recovering medical images from CT film photos

no code implementations10 Mar 2022 Quan Quan, Qiyuan Wang, Yuanqi Du, Liu Li, S. Kevin Zhou

While medical images such as computed tomography (CT) are stored in DICOM format in hospital PACS, it is still quite routine in many countries to print a film as a transferable medium for the purposes of self-storage and secondary consultation.

Computed Tomography (CT)

Universal Segmentation of 33 Anatomies

no code implementations4 Mar 2022 Pengbo Liu, Yang Deng, Ce Wang, Yuan Hui, Qian Li, Jun Li, Shiwei Luo, Mengke Sun, Quan Quan, Shuxin Yang, You Hao, Honghu Xiao, Chunpeng Zhao, Xinbao Wu, S. Kevin Zhou

Firstly, while it is ideal to learn such a model from a large-scale, fully-annotated dataset, it is practically hard to curate such a dataset.

Image Segmentation Medical Image Segmentation +3

MixCL: Pixel label matters to contrastive learning

no code implementations4 Mar 2022 Jun Li, Quan Quan, S. Kevin Zhou

It is essential for medical image analysis, which is often notorious for its lack of annotations.

Contrastive Learning Image Segmentation +2

Relative distance matters for one-shot landmark detection

no code implementations3 Mar 2022 Qingsong Yao, Jianji Wang, Yihua Sun, Quan Quan, Heqin Zhu, S. Kevin Zhou

Contrastive learning based methods such as cascade comparing to detect (CC2D) have shown great potential for one-shot medical landmark detection.

Contrastive Learning

Which images to label for few-shot medical landmark detection?

no code implementations CVPR 2022 Quan Quan, Qingsong Yao, Jun Li, S. Kevin Zhou

We herein propose a novel Sample Choosing Policy (SCP) to select "the most worthy" images for annotation, in the context of few-shot medical landmark detection.

Few-Shot Learning

Where is the disease? Semi-supervised pseudo-normality synthesis from an abnormal image

no code implementations24 Jun 2021 Yuanqi Du, Quan Quan, Hu Han, S. Kevin Zhou

Pseudo-normality synthesis, which computationally generates a pseudo-normal image from an abnormal one (e. g., with lesions), is critical in many perspectives, from lesion detection, data augmentation to clinical surgery suggestion.

Data Augmentation Image Generation +3

One-Shot Medical Landmark Detection

2 code implementations8 Mar 2021 Qingsong Yao, Quan Quan, Li Xiao, S. Kevin Zhou

The success of deep learning methods relies on the availability of a large number of datasets with annotations; however, curating such datasets is burdensome, especially for medical images.

Self-Supervised Learning

CT Film Recovery via Disentangling Geometric Deformation and Illumination Variation: Simulated Datasets and Deep Models

no code implementations17 Dec 2020 Quan Quan, Qiyuan Wang, Liu Li, Yuanqi Du, S. Kevin Zhou

We also record all accompanying information related to the geometric deformation (such as 3D coordinate, depth, normal, and UV maps) and illumination variation (such as albedo map).

Computed Tomography (CT)

Calibration of Multiple Fish-Eye Cameras Using a Wand

no code implementations4 Jul 2014 Qiang Fu, Quan Quan, Kai-Yuan Cai

Fish-eye cameras are becoming increasingly popular in computer vision, but their use for 3D measurement is limited partly due to the lack of an accurate, efficient and user-friendly calibration procedure.

Camera Auto-Calibration Camera Calibration

A New Continuous-Time Equality-Constrained Optimization Method to Avoid Singularity

no code implementations24 Sep 2012 Quan Quan, Kai-Yuan Cai

To avoid such a singularity, we propose a new projection matrix, based on which a feasible point method for the continuous-time, equality-constrained optimization problem is developed.

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