Search Results for author: Zhenpeng Li

Found 8 papers, 2 papers with code

Learning Low-dimensional Manifolds for Scoring of Tissue Microarray Images

no code implementations22 Feb 2021 Donghui Yan, Jian Zou, Zhenpeng Li

Inspired by the recent advance in semi-supervised learning and deep learning, we propose mfTacoma to learn alternative deep representations in the context of TMA image scoring.

Representation Learning

Domain Adaptation with Incomplete Target Domains

no code implementations3 Dec 2020 Zhenpeng Li, Jianan Jiang, Yuhong Guo, Tiantian Tang, Chengxiang Zhuo, Jieping Ye

In the proposed model, we design a data imputation module to fill the missing feature values based on the partial observations in the target domain, while aligning the two domains via deep adversarial adaption.

Domain Adaptation Imputation

A Transductive Multi-Head Model for Cross-Domain Few-Shot Learning

1 code implementation8 Jun 2020 Jianan Jiang, Zhenpeng Li, Yuhong Guo, Jieping Ye

The TMHFS method extends the Meta-Confidence Transduction (MCT) and Dense Feature-Matching Networks (DFMN) method [2] by introducing a new prediction head, i. e, an instance-wise global classification network based on semantic information, after the common feature embedding network.

cross-domain few-shot learning Data Augmentation

Feature Transformation Ensemble Model with Batch Spectral Regularization for Cross-Domain Few-Shot Classification

no code implementations18 May 2020 Bingyu Liu, Zhen Zhao, Zhenpeng Li, Jianan Jiang, Yuhong Guo, Jieping Ye

In this paper, we propose a feature transformation ensemble model with batch spectral regularization for the Cross-domain few-shot learning (CD-FSL) challenge.

cross-domain few-shot learning Data Augmentation +2

Mutual Learning Network for Multi-Source Domain Adaptation

no code implementations29 Mar 2020 Zhenpeng Li, Zhen Zhao, Yuhong Guo, Haifeng Shen, Jieping Ye

However, in practice the labeled data can come from multiple source domains with different distributions.

Unsupervised Domain Adaptation

AddGraph_ Anomaly Detection in Dynamic Graph Using Attention-based Temporal GCN

no code implementations (IJCAI 2019 Li Zheng, Zhenpeng Li, Jian Li, Zhao Li, and Jun Gao

Anomaly detection in dynamic graphs becomes very critical in many different application scenarios, e. g., recommender systems, while it also raises huge challenges due to the high flexible nature of anomaly and lack of sufficient labelled data.

Anomaly Detection Edge Detection +1

K-nearest Neighbor Search by Random Projection Forests

no code implementations31 Dec 2018 Donghui Yan, Yingjie Wang, Jin Wang, Honggang Wang, Zhenpeng Li

Our theory can be used to refine the choice of random projections in the growth of trees, and experiments show that the effect is remarkable.

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