drawing-compare

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工程图纸智能差异分析工具：选定两版 PDF 图纸一键比对，自动识别尺寸/标注/几何变更并生成分类变更清单，支持多模态 AI 语义解读与交互式差异可视化，单文件 EXE 开箱即用。

opencv image-registration vlm diff-viewer engineering-drawing pdf-diff pyqt6 drawing-compare

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