Search Results for author: Ziqi Yuan

Found 5 papers, 4 papers with code

PhoGAD: Graph-based Anomaly Behavior Detection with Persistent Homology Optimization

no code implementations19 Jan 2024 Ziqi Yuan, Haoyi Zhou, Tianyu Chen, JianXin Li

The analysis of persistent homology demonstrates its effectiveness in capturing the topological structure formed by normal edge features.

Anomaly Detection

DualTeacher: Bridging Coexistence of Unlabelled Classes for Semi-supervised Incremental Object Detection

1 code implementation13 Dec 2023 Ziqi Yuan, Liyuan Wang, Wenbo Ding, Xingxing Zhang, Jiachen Zhong, Jianyong Ai, Jianmin Li, Jun Zhu

A commonly-used strategy for supervised IOD is to encourage the current model (as a student) to mimic the behavior of the old model (as a teacher), but it generally fails in SSIOD because a dominant number of object instances from old and new classes are coexisting and unlabelled, with the teacher only recognizing a fraction of them.

Object object-detection +1

Make Acoustic and Visual Cues Matter: CH-SIMS v2.0 Dataset and AV-Mixup Consistent Module

1 code implementation22 Aug 2022 Yihe Liu, Ziqi Yuan, Huisheng Mao, Zhiyun Liang, Wanqiuyue Yang, Yuanzhe Qiu, Tie Cheng, Xiaoteng Li, Hua Xu, Kai Gao

The designed modality mixup module can be regarded as an augmentation, which mixes the acoustic and visual modalities from different videos.

Multimodal Sentiment Analysis

M-SENA: An Integrated Platform for Multimodal Sentiment Analysis

3 code implementations ACL 2022 Huisheng Mao, Ziqi Yuan, Hua Xu, Wenmeng Yu, Yihe Liu, Kai Gao

The platform features a fully modular video sentiment analysis framework consisting of data management, feature extraction, model training, and result analysis modules.

Management Multimodal Sentiment Analysis

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