Search Results for author: Yanchun Zhang

Found 7 papers, 0 papers with code

Pyramid U-Net for Retinal Vessel Segmentation

no code implementations6 Apr 2021 Jiawei Zhang, Yanchun Zhang, Xiaowei Xu

To further improve performance, two optimizations including pyramid inputs enhancement and deep pyramid supervision are applied to PSABs in the encoder and decoder, respectively.

Retinal Vessel Segmentation Segmentation

ObjectAug: Object-level Data Augmentation for Semantic Image Segmentation

no code implementations30 Jan 2021 Jiawei Zhang, Yanchun Zhang, Xiaowei Xu

In addition, ObjectAug can support category-aware augmentation that gives various possibilities to objects in each category, and can be easily combined with existing image-level augmentation methods to further boost performance.

Data Augmentation Image Inpainting +4

Exploiting Review Neighbors for Contextualized Helpfulness Prediction

no code implementations17 Jun 2020 Jiahua Du, Jia Rong, Hua Wang, Yanchun Zhang

Four weighting schemes are designed to learn context clues from the selected neighbors.

MDU-Net: Multi-scale Densely Connected U-Net for biomedical image segmentation

no code implementations2 Dec 2018 Jiawei Zhang, Yuzhen Jin, Jilan Xu, Xiaowei Xu, Yanchun Zhang

The three multi-scale dense connections improve U-net performance by up to 1. 8% on test A and 3. 5% on test B in the MICCAI Gland dataset.

Image Segmentation Quantization +2

Neural Sparse Topical Coding

no code implementations ACL 2018 Min Peng, Qianqian Xie, Yanchun Zhang, Hua Wang, Xiuzhen Zhang, Jimin Huang, Gang Tian

Topic models with sparsity enhancement have been proven to be effective at learning discriminative and coherent latent topics of short texts, which is critical to many scientific and engineering applications.

Language Modelling Topic Models +1

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