Structured Creative Evaluation for Text-to-Image Generative AI Models

Abstract

In recent years, text-to-image (T2I) generation models have made substantial progress, particularly in visual realism and the expression of prompt semantics. However, a key difficulty remains: how to evaluate generated results automatically in a way that is both comprehensive and interpretable, while still being practical for real deployment. To address this issue, this paper proposes a multi-dimensional image quality assessment framework for T2I tasks. The framework examines generated images from five dimensions—text fidelity, perceptual quality, object consistency, relational consistency, and global semantic alignment—and derives a final quality score through normalization and weighted fusion. In terms of methodology, the framework combines Tesseract OCR, perceptual quality analysis based on Laplacian variance and exposure statistics, YOLO object detection, BLIP-based visual question answering, and CLIP image-text similarity, thereby forming a modular evaluation pipeline with diagnostic capability. Experiments on multiple mainstream T2I models and representative prompts show that the proposed method can not only distinguish overall performance differences across models, but also provide interpretable results at the level of individual dimensions.