Choon-Hou Rafael Chong
1 indexed paper
Recent (6 mo)
1With code
0Influential cites
0Benchmarked
0Publications per year
126
Top categories
Crypto×1
Research Timeline
2026
Perceptual Gaps: ASCII Art and Overlapping Audio as CAPTCHA
The paper proposes two novel CAPTCHA types—ASCII art and overlapping audio—and demonstrates that current frontier LLMs struggle significantly to solve them, suggesting they are highly effective anti-bot measures.
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