探究与诱导视觉语言模型的组合创造力
Probing and Inducing Combinational Creativity in Vision-Language Models
AI总结:
提出IEI框架从概念融合视角探究视觉语言模型的组合创造力,并构建CreativeMashup数据集验证其有效性,发现模型在理解任务超越普通人类但未达专家水平,在生成任务中能显著提升输出创造性。
摘要:
将现有概念组合成新颖想法的能力是人类智能的基本标志。GPT-4V和DALLE-3等视觉语言模型(VLMs)的最新进展引发了争论:其输出是否反映了组合创造力——由M. A. Boden(1998)定义为通过组合现有概念来综合新颖想法——还是对训练数据的复杂模式匹配。受认知科学启发,我们从概念融合的视角研究VLMs的组合创造力。我们提出了Identification-Explanation-Implication(IEI)框架,将创作过程分解为三个层次:识别输入空间、提取共享属性和推导新颖的语义蕴含。为验证该框架,我们整理了CreativeMashup,一个包含666个艺术家生成的视觉混搭的高质量数据集,并根据IEI框架进行了标注。通过大量实验,我们证明在理解任务中,最好的VLMs已超越普通人类表现,但尚未达到专家级理解水平;在生成任务中,将我们的IEI框架纳入生成流程显著提升了VLMs输出的创造性质量。我们的发现为评估人工创造力奠定了理论基础,并为改进VLMs的创造性生成提供了实用指南。
英文摘要:
The ability to combine existing concepts into novel ideas stands as a fundamental hallmark of human intelligence. Recent advances in Vision-Language Models (VLMs) like GPT-4V and DALLE-3 have sparked debate about whether their outputs reflect combinational creativity--defined by M. A. Boden (1998) as synthesizing novel ideas through combining existing concepts--or sophisticated pattern matching of training data. Drawing inspiration from cognitive science, we investigate the combinational creativity of VLMs from the lens of concept blending. We propose the Identification-Explanation-Implication (IEI) framework, which decomposes creative processes into three levels: identifying input spaces, extracting shared attributes, and deriving novel semantic implications. To validate this framework, we curate CreativeMashup, a high-quality dataset of 666 artist-generated visual mashups annotated according to the IEI framework. Through extensive experiments, we demonstrate that in comprehension tasks, best VLMs have surpassed average human performance while falling short of expert-level understanding; in generation tasks, incorporating our IEI framework into the generation pipeline significantly enhances the creative quality of VLMs' outputs. Our findings establish both a theoretical foundation for evaluating artificial creativity and practical guidelines for improving creative generation in VLMs.
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