Search Results for author: Weihua Liu

Found 11 papers, 2 papers with code

Dynamic Multi-Domain Knowledge Networks for Chest X-ray Report Generation

no code implementations8 Oct 2023 Weihua Liu, Youyuan Xue, Chaochao Lin, Said Boumaraf

We then fuse the dynamic disease topic labels with the original visual features of the images to highlight the abnormal regions in the original visual features to alleviate the visual data bias problem.

Knowledge Graphs

Cross-domain Robust Deepfake Bias Expansion Network for Face Forgery Detection

no code implementations8 Oct 2023 Weihua Liu, Lin Li, Chaochao Lin, Said Boumaraf

In addition, to further heighten the amplification of forged clues, BENet incorporates a Latent-Space Attention (LSA) module.

Face Recognition Face Swapping

Identifying Distribution Network Faults Using Adaptive Transition Probability

no code implementations30 Sep 2023 Xinliang Ma, Weihua Liu, Bingying Jin

A novel approach is suggested for improving the accuracy of fault detection in distribution networks.

Fault Detection

Occlusion-Aware Deep Convolutional Neural Network via Homogeneous Tanh-transforms for Face Parsing

no code implementations29 Aug 2023 Weihua Liu, Chaochao Lin, Haoping Yu, Said Boumaraf, Zhaoqiong Pi

Based on homogeneous tanh-transforms, we propose an occlusion-aware convolutional neural network for occluded face parsing.

Face Parsing

Shape-Margin Knowledge Augmented Network for Thyroid Nodule Segmentation and Diagnosis

no code implementations29 Aug 2023 Weihua Liu, Chaochao Lin

It embeds shape and margin characteristics through numerical computation and models the relationship between the thyroid nodule diagnosis results and segmentation masks.

Segmentation

Stone Needle: A General Multimodal Large-scale Model Framework towards Healthcare

no code implementations28 Jun 2023 Weihua Liu, Yong Zuo

Our method is a general multimodal large-scale model framework, integrating diverse modalities and allowing us to tailor for specific tasks.

A Novel Structured Natural Gradient Descent for Deep Learning

no code implementations21 Sep 2021 Weihua Liu, Xiabi Liu

More specifically, we reconstruct the structure of the deep neural network, and optimize the new network using traditional gradient descent (GD).

PiaNet: A pyramid input augmented convolutional neural network for GGO detection in 3D lung CT scans

no code implementations11 Sep 2020 Weihua Liu, Xiabi Liua, Xiongbiao Luo, Murong Wang, Guanghui Han, Xinming Zhao, Zheng Zhu

In the first stage, the feature-extraction module is embedded into a classifier network that is trained on a large data set of GGO and non-GGO patches, which are generated by performing data augmentation from a small number of annotated CT scans.

Computed Tomography (CT) Data Augmentation +1

Contraction Mapping of Feature Norms for Classifier Learning on the Data with Different Quality

no code implementations27 Jul 2020 Weihua Liu, Xiabi Liu, Murong Wang, Ling Ma

The experiments on various classification applications, including handwritten digit recognition, lung nodule classification, face verification and face recognition, demonstrate that the proposed approach is promising to effectively deal with the problem of learning on the data with different quality and leads to the significant and stable improvements in the classification accuracy.

Classification Face Recognition +5

A New Three-stage Curriculum Learning Approach to Deep Network Based Liver Tumor Segmentation

1 code implementation17 Oct 2019 Huiyu Li, Xiabi Liu, Said Boumaraf, Weihua Liu, Xiaopeng Gong, Xiaohong Ma

The learning in the first stage is performed on the whole input to obtain an initial deep network for tumor segmenta-tion.

Segmentation Tumor Segmentation

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