Search Results for author: Xiaoyin Xu

Found 5 papers, 0 papers with code

文本情感分析中的重叠现象研究(A Study on Repetition in Text-based Sentiment Analysis)

no code implementations CCL 2020 Tuya Naren, Xiaoyin Xu

汉语中的重叠现象丰富, 文本情感分析任务中应该密切关注语篇空间内的重叠现象及其交互状态。本文就重叠在文本中的样态、特点及情感标记功能进行了理论探讨;重点就构词性重叠、结构性重叠的表现形式及情感语义进行了分析;据此研究的基础上, 本文就重叠现象在文本情感分析上的实际应用从几个方面进行了讨论。

Sentiment Analysis

Backdoor Attack with Mode Mixture Latent Modification

no code implementations12 Mar 2024 Hongwei Zhang, Xiaoyin Xu, Dongsheng An, Xianfeng GU, Min Zhang

Backdoor attacks become a significant security concern for deep neural networks in recent years.

Backdoor Attack Image Classification

Cortical Surface Shape Analysis Based on Alexandrov Polyhedra

no code implementations ICCV 2021 Min Zhang, Yang Guo, Na lei, Zhou Zhao, Jianfeng Wu, Xiaoyin Xu, Yalin Wang, Xianfeng GU

Shape analysis has been playing an important role in early diagnosis and prognosis of neurodegenerative diseases such as Alzheimer's diseases (AD).

Classification of lung nodules in CT images based on Wasserstein distance in differential geometry

no code implementations30 Jun 2018 Min Zhang, Qianli Ma, Chengfeng Wen, Hai Chen, Deruo Liu, Xianfeng GU, Jie He, Xiaoyin Xu

The Wasserstein distance between the nodules is calculated based on our new spherical optimal mass transport, this new algorithm works directly on sphere by using spherical metric, which is much more accurate and efficient than previous methods.

Computed Tomography (CT) General Classification +2

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