[KongchangAI]
Person

Kirchenbauer

A researcher who in 2023 proposed a text watermarking scheme based on green lists. This work is a classic contribution in the field of text watermarking.

Timeline (last 90 days)

Oct 16

textGrain is in the same lineage as the green-list scheme proposed by Kirchenbauer et al. in 2023, and its academic name is "key-based pseudorandom watermarking".

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Sep 26

The hash-based green-list/red-list watermarking method was proposed by Kirchenbauer et al. in 2023.

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Sep 11

The KGW watermarking scheme was proposed by the University of Maryland in 2023 (Kirchenbauer et al.).

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Aug 27

KGW算法由马里兰大学研究者Kirchenbauer等人于2023年在ICML上正式发表,是学术界引用量最高、影响力最大的LLM文本水印方案之一

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Aug 23

Kirchenbauer方案在绿名单token的logits上加上一个固定偏置δ(通常取1-2之间)

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Aug 23

Kirchenbauer方案通常将前一个token的ID与保密密钥拼接后输入哈希函数(如SHA-256)生成伪随机数种子,前γ比例(通常γ=0.5)的token归入绿名单

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Aug 23

Kirchenbauer等人的水印算法在生成每个token时,根据前文的哈希值将词汇表划分为绿名单和红名单,并轻微提升绿名单token被选中的概率

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Aug 23

Kirchenbauer方案在模型原始logits上为绿名单token加上一个通常取1-2之间的固定偏置δ,再进行softmax归一化后采样

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