Automated Black-box Prompt Engineering for Personalized Text-to-Image Generation

• URL: http://arxiv.org/abs/2403.19103v1
• Date: Thu, 28 Mar 2024 02:35:53 GMT
• Title: Automated Black-box Prompt Engineering for Personalized Text-to-Image Generation
• Authors: Yutong He, Alexander Robey, Naoki Murata, Yiding Jiang, Joshua Williams, George J. Pappas, Hamed Hassani, Yuki Mitsufuji, Ruslan Salakhutdinov, J. Zico Kolter,
• Abstract summary: PRISM is an algorithm that automatically identifies human-interpretable and transferable prompts. It can effectively generate desired concepts given only black-box access to T2I models. Our experiments demonstrate the versatility and effectiveness of PRISM in generating accurate prompts for objects, styles and images.
• Score: 150.57983348059528
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Prompt engineering is effective for controlling the output of text-to-image (T2I) generative models, but it is also laborious due to the need for manually crafted prompts. This challenge has spurred the development of algorithms for automated prompt generation. However, these methods often struggle with transferability across T2I models, require white-box access to the underlying model, and produce non-intuitive prompts. In this work, we introduce PRISM, an algorithm that automatically identifies human-interpretable and transferable prompts that can effectively generate desired concepts given only black-box access to T2I models. Inspired by large language model (LLM) jailbreaking, PRISM leverages the in-context learning ability of LLMs to iteratively refine the candidate prompts distribution for given reference images. Our experiments demonstrate the versatility and effectiveness of PRISM in generating accurate prompts for objects, styles and images across multiple T2I models, including Stable Diffusion, DALL-E, and Midjourney.

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