Search Results for author: Ching-Chun Chang

Found 6 papers, 0 papers with code

Image-Text Out-Of-Context Detection Using Synthetic Multimodal Misinformation

no code implementations29 Jan 2024 Fatma Shalabi, Huy H. Nguyen, Hichem Felouat, Ching-Chun Chang, Isao Echizen

Misinformation has become a major challenge in the era of increasing digital information, requiring the development of effective detection methods.

Misinformation Synthetic Data Generation

Enhancing Robustness of LLM-Synthetic Text Detectors for Academic Writing: A Comprehensive Analysis

no code implementations16 Jan 2024 Zhicheng Dou, Yuchen Guo, Ching-Chun Chang, Huy H. Nguyen, Isao Echizen

In this paper, we present a comprehensive analysis of the impact of prompts on the text generated by LLMs and highlight the potential lack of robustness in one of the current state-of-the-art GPT detectors.

Automation of reversible steganographic coding with nonlinear discrete optimisation

no code implementations26 Feb 2022 Ching-Chun Chang

Steganography can serve as an authentication solution through the use of a digital signature embedded in a carrier object to ensure the integrity of the object and simultaneously lighten the burden of metadata management.

Management Medical Diagnosis

On the predictability in reversible steganography

no code implementations5 Feb 2022 Ching-Chun Chang, Xu Wang, Sisheng Chen, Hitoshi Kiya, Isao Echizen

The core strength of neural networks is the ability to render accurate predictions for a bewildering variety of data.

Bayesian Neural Networks for Reversible Steganography

no code implementations7 Jan 2022 Ching-Chun Chang

A fundamental pillar of reversible steganography is predictive modelling which can be realised via deep neural networks.

Deep Learning for Predictive Analytics in Reversible Steganography

no code implementations13 Jun 2021 Ching-Chun Chang, Xu Wang, Sisheng Chen, Isao Echizen, Victor Sanchez, Chang-Tsun Li

Given that reversibility is governed independently by the coding module, we narrow our focus to the incorporation of neural networks into the analytics module, which serves the purpose of predicting pixel intensities and a pivotal role in determining capacity and imperceptibility.

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