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arXiv 2507.08024cs.CV

精准农业中视觉语言模型的自一致性:用于作物病害管理的多响应共识

Self-Consistency in Vision-Language Models for Precision Agriculture: Multi-Response Consensus for Crop Disease Management

The Harker School, USA(哈克尔学校);Dougherty Valley High School, USA(道格拉斯谷高中);Kissan.ai, USA(加州大学梅尔德分校);University of California, Merced, USA

Mihir Gupta, Abhay Mangla, Ross Greer, Pratik Desai

AI总结:

针对视觉语言模型在农业领域表现不佳的问题,提出结合基于提示的专家评估与余弦一致性自投票机制的领域感知框架,有效提升了玉米叶片病害诊断、症状分析及治疗建议的准确率,且支持移动端实时部署。

摘要:

精准农业严重依赖准确的图像分析来进行作物病害识别和治疗建议,但现有的视觉语言模型(VLMs)在专业农业领域往往表现不佳。本研究提出了一个领域感知的农业图像处理框架,该框架结合了基于提示的专家评估与自一致性机制,以增强VLM在精准农业应用中的可靠性。我们引入了两项关键创新:(1)一个基于提示的评估协议,将语言模型配置为专家植物病理学家,用于对图像分析输出进行可扩展的评估;(2)一个余弦一致性自投票机制,该机制从农业图像中生成多个候选响应,并使用领域适应的嵌入选择语义最连贯的诊断。在使用微调的PaliGemma模型对田间图像进行玉米叶片病害识别的应用中,与标准的贪婪解码相比,我们的方法将诊断准确率从82.2%提高到87.8%,症状分析从38.9%提高到52.2%,治疗建议从27.8%提高到43.3%。该系统仍保持足够紧凑以部署在移动设备上,支持在资源受限的环境中进行实时农业决策。这些结果展示了AI驱动的精准农业工具的巨大潜力,这些工具能够在多样的田间条件下可靠运行。

英文摘要:

Precision agriculture relies heavily on accurate image analysis for crop disease identification and treatment recommendation, yet existing vision-language models (VLMs) often underperform in specialized agricultural domains. This work presents a domain-aware framework for agricultural image processing that combines prompt-based expert evaluation with self-consistency mechanisms to enhance VLM reliability in precision agriculture applications. We introduce two key innovations: (1) a prompt-based evaluation protocol that configures a language model as an expert plant pathologist for scalable assessment of image analysis outputs, and (2) a cosine-consistency self-voting mechanism that generates multiple candidate responses from agricultural images and selects the most semantically coherent diagnosis using domain-adapted embeddings. Applied to maize leaf disease identification from field images using a fine-tuned PaliGemma model, our approach improves diagnostic accuracy from 82.2\% to 87.8\%, symptom analysis from 38.9\% to 52.2\%, and treatment recommendation from 27.8\% to 43.3\% compared to standard greedy decoding. The system remains compact enough for deployment on mobile devices, supporting real-time agricultural decision-making in resource-constrained environments. These results demonstrate significant potential for AI-driven precision agriculture tools that can operate reliably in diverse field conditions.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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