Search Results for author: Yan Cao

Found 11 papers, 1 papers with code

Thyroid ultrasound diagnosis improvement via multi-view self-supervised learning and two-stage pre-training

no code implementations18 Feb 2024 Jian Wang, Xin Yang, Xiaohong Jia, Wufeng Xue, Rusi Chen, Yanlin Chen, Xiliang Zhu, Lian Liu, Yan Cao, Jianqiao Zhou, Dong Ni, Ning Gu

In this study, we proposed a multi-view contrastive self-supervised method to improve thyroid nodule classification and segmentation performance with limited manual labels.

Classification Segmentation +1

FetusMapV2: Enhanced Fetal Pose Estimation in 3D Ultrasound

no code implementations30 Oct 2023 Chaoyu Chen, Xin Yang, Yuhao Huang, Wenlong Shi, Yan Cao, Mingyuan Luo, Xindi Hu, Lei Zhue, Lequan Yu, Kejuan Yue, Yuanji Zhang, Yi Xiong, Dong Ni, Weijun Huang

However, accurately estimating the 3D fetal pose in US volume has several challenges, including poor image quality, limited GPU memory for tackling high dimensional data, symmetrical or ambiguous anatomical structures, and considerable variations in fetal poses.

Pose Estimation Self-Supervised Learning

FFPN: Fourier Feature Pyramid Network for Ultrasound Image Segmentation

no code implementations26 Aug 2023 Chaoyu Chen, Xin Yang, Rusi Chen, Junxuan Yu, Liwei Du, Jian Wang, Xindi Hu, Yan Cao, Yingying Liu, Dong Ni

In this paper, we introduce a novel Fourier-anchor-based DTS framework called Fourier Feature Pyramid Network (FFPN) to address the aforementioned issues.

Image Segmentation Semantic Segmentation

Joint Landmark and Structure Learning for Automatic Evaluation of Developmental Dysplasia of the Hip

no code implementations10 Jun 2021 Xindi Hu, LiMin Wang, Xin Yang, Xu Zhou, Wufeng Xue, Yan Cao, Shengfeng Liu, Yuhao Huang, Shuangping Guo, Ning Shang, Dong Ni, Ning Gu

In this study, we propose a multi-task framework to learn the relationships among landmarks and structures jointly and automatically evaluate DDH.

Adaptive Dialog Policy Learning with Hindsight and User Modeling

no code implementations SIGDIAL (ACL) 2020 Yan Cao, Keting Lu, Xiaoping Chen, Shiqi Zhang

Reinforcement learning methods have been used to compute dialog policies from language-based interaction experiences.

Reinforcement Learning (RL)

An overlapping-free leaf segmentation method for plant point clouds

no code implementations12 Aug 2019 Dawei Li, Yan Cao, Guoliang Shi, Xin Cai, Yang Chen, Sifan Wang, Siyuan Yan

The proposed method can also facilitate the automatic traits estimation of each single leaf (such as the leaf area, length, and width), which has potential to become a highly effective tool for plant research and agricultural engineering.

Plant Phenotyping Segmentation

An Integrated Image Filter for Enhancing Change Detection Results

no code implementations2 Jul 2019 Dawei Li, Siyuan Yan, Xin Cai, Yan Cao, Sifan Wang

In this paper, we present an integrated filter which comprises a weighted local guided image filter and a weighted spatiotemporal tree filter.

Change Detection

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