Search Results for author: Dahong Qian

Found 8 papers, 2 papers with code

SubFace: Learning with Softmax Approximation for Face Recognition

no code implementations24 Aug 2022 Hongwei Xu, Suncheng Xiang, Dahong Qian

The softmax-based loss functions and its variants (e. g., cosface, sphereface, and arcface) significantly improve the face recognition performance in wild unconstrained scenes.

Face Recognition

A simple normalization technique using window statistics to improve the out-of-distribution generalization on medical images

1 code implementation7 Jul 2022 Chengfeng Zhou, Songchang Chen, Chenming Xu, Jun Wang, Feng Liu, Chun Zhang, Juan Ye, Hefeng Huang, Dahong Qian

In this study, we present a novel normalization technique called window normalization (WIN) to improve the model generalization on heterogeneous medical images, which is a simple yet effective alternative to existing normalization methods.

Breast Cancer Detection Out-of-Distribution Generalization

Learning-Based Framework for Camera Calibration with Distortion Correction and High Precision Feature Detection

1 code implementation1 Feb 2022 Yesheng Zhang, Xu Zhao, Dahong Qian

Therefore, in this paper, we propose a hybrid camera calibration framework which combines learning-based approaches with traditional methods to handle these bottlenecks.

Camera Calibration

Real-time automatic polyp detection in colonoscopy using feature enhancement module and spatiotemporal similarity correlation unit

no code implementations25 Jan 2022 Jianwei Xu, Ran Zhao, Yizhou Yu, Qingwei Zhang, Xianzhang Bian, Jun Wang, Zhizheng Ge, Dahong Qian

In order to solve these problems, our method combines the two-dimensional (2-D) CNN-based real-time object detector network with spatiotemporal information.

SSIM Style Transfer

Self-Adaptive Transfer Learning for Multicenter Glaucoma Classification in Fundus Retina Images

no code implementations7 May 2021 Yiming Bao, Jun Wang, Tong Li, Linyan Wang, Jianwei Xu, Juan Ye, Dahong Qian

Specifically, the encoder of a DL model that is pre-trained on the source domain is used to initialize the encoder of a reconstruction model.

Domain Adaptation

An End to End Network Architecture for Fundamental Matrix Estimation

no code implementations29 Oct 2020 Yesheng Zhang, Xu Zhao, Dahong Qian

In this paper, we present a novel end-to-end network architecture to estimate fundamental matrix directly from stereo images.

Multi-Lead ECG Classification via an Information-Based Attention Convolutional Neural Network

no code implementations25 Mar 2020 Hao Tung, Chao Zheng, Xinsheng Mao, Dahong Qian

Models embedded with the channel-wise attention structure always achieve better scores on sensitivity and precision than the plain Resnet models.

Classification ECG Classification +1

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