Search Results for author: Hoang-Quoc Nguyen-Son

Found 9 papers, 3 papers with code

SEPP: Similarity Estimation of Predicted Probabilities for Defending and Detecting Adversarial Text

1 code implementation12 Oct 2021 Hoang-Quoc Nguyen-Son, Seira Hidano, Kazuhide Fukushima, Shinsaku Kiyomoto

In terms of misclassified texts, a classifier handles the texts with both incorrect predictions and adversarial texts, which are generated to fool the classifier, which is called a victim.

Adversarial Text Classification

Identifying Adversarial Sentences by Analyzing Text Complexity

no code implementations19 Dec 2019 Hoang-Quoc Nguyen-Son, Tran Phuong Thao, Seira Hidano, Shinsaku Kiyomoto

Attackers create adversarial text to deceive both human perception and the current AI systems to perform malicious purposes such as spam product reviews and fake political posts.

Adversarial Text

Detecting Machine-Translated Text using Back Translation

no code implementations WS 2019 Hoang-Quoc Nguyen-Son, Tran Phuong Thao, Seira Hidano, Shinsaku Kiyomoto

The existing methods detected a machine-translated text only using the text's intrinsic content, but they are unsuitable for classifying the machine-translated and human-written texts with the same meanings.

Translation

Detecting Machine-Translated Paragraphs by Matching Similar Words

no code implementations24 Apr 2019 Hoang-Quoc Nguyen-Son, Tran Phuong Thao, Seira Hidano, Shinsaku Kiyomoto

We have developed a method matching similar words throughout the paragraph and estimating the paragraph-level coherence, that can identify machine-translated text.

Language Modelling Sentence +1

Transformation on Computer-Generated Facial Image to Avoid Detection by Spoofing Detector

no code implementations12 Apr 2018 Huy H. Nguyen, Ngoc-Dung T. Tieu, Hoang-Quoc Nguyen-Son, Junichi Yamagishi, Isao Echizen

Making computer-generated (CG) images more difficult to detect is an interesting problem in computer graphics and security.

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