An Empirical Study of Validating Synthetic Data for Text-Based Person Retrieval

• URL: http://arxiv.org/abs/2503.22171v1
• Date: Fri, 28 Mar 2025 06:18:15 GMT
• Title: An Empirical Study of Validating Synthetic Data for Text-Based Person Retrieval
• Authors: Min Cao, ZiYin Zeng, YuXin Lu, Mang Ye, Dong Yi, Jinqiao Wang,
• Abstract summary: We conduct an empirical study to explore the potential of synthetic data for Text-Based Person Retrieval (TBPR) research.<n>We propose an inter-class image generation pipeline, in which an automatic prompt construction strategy is introduced.<n>We develop an intra-class image augmentation pipeline, in which the generative AI models are applied to further edit the images.
• Score: 51.10419281315848
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Data plays a pivotal role in Text-Based Person Retrieval (TBPR) research. Mainstream research paradigm necessitates real-world person images with manual textual annotations for training models, posing privacy-sensitive and labor-intensive issues. Several pioneering efforts explore synthetic data for TBPR but still rely on real data, keeping the aforementioned issues and also resulting in diversity-deficient issue in synthetic datasets, thus impacting TBPR performance. Moreover, these works tend to explore synthetic data for TBPR through limited perspectives, leading to exploration-restricted issue. In this paper, we conduct an empirical study to explore the potential of synthetic data for TBPR, highlighting three key aspects. (1) We propose an inter-class image generation pipeline, in which an automatic prompt construction strategy is introduced to guide generative Artificial Intelligence (AI) models in generating various inter-class images without reliance on original data. (2) We develop an intra-class image augmentation pipeline, in which the generative AI models are applied to further edit the images for obtaining various intra-class images. (3) Building upon the proposed pipelines and an automatic text generation pipeline, we explore the effectiveness of synthetic data in diverse scenarios through extensive experiments. Additionally, we experimentally investigate various noise-robust learning strategies to mitigate the inherent noise in synthetic data. We will release the code, along with the synthetic large-scale dataset generated by our pipelines, which are expected to advance practical TBPR research.

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