yolo11x-blueprint-legend-layout-detector

GreenMap/yolo11x-blueprint-legend-layout-detector

yolo11x-blueprint-legend-layout-detector is a object detection model from GreenMap. Use it when you need objects located in an image. It is set up for ultralytics. The card lists the license as apache-2.0.

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At a glance

Task: Object Detection
Library: ultralytics
License: apache-2.0
Access: Public
Created: Jul 1, 2026
Updated: Jul 23, 2026
SHA: 7898d61d

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Bentonite/blueprint-1

Model card

From the Hugging Face model README

GreenMap/yolo11x-blueprint-legend-detector

157

Overview

YOLO11x model trained to detect structural elements inside blueprint legends on architectural and construction drawings.

Detects legend symbols (hatch patterns and graphical symbols).
Detects legend descriptions.
Detects complete legend rows.
Detects legend continuation blocks.
Trained on architectural floor plans and construction drawings.

Classes

ID	Class	Purpose
0	legend_symbol	Graphical symbol or hatch pattern representing a construction element or material.
1	legend_description	Text description corresponding to a legend symbol.
2	legend_row	Complete legend entry containing a symbol and its associated description.
3	legend_continuation_block	A block containing the continuous legend elements.

Training Metrics

results

Validation Metrics

Class	Images	Instances	Precision	Recall	mAP50	mAP50-95
all	68	2821	0.912	0.903	0.918	0.735
legend_symbol	68	907	0.982	0.986	0.993	0.890
legend_description	68	956	0.977	0.984	0.993	0.831
legend_row	68	901	0.962	0.984	0.990	0.799
continuous_elements_block	41	57	0.727	0.655	0.696	0.421

Training

Base model: YOLO11x
Task: Object Detection
Input size: 1472 × 1472
Framework: Ultralytics YOLO

Task: Object Detection
Library: ultralytics
License: apache-2.0
Created: Jul 1, 2026
Updated: Jul 23, 2026