CN-122024268-A - Construction management unit extraction method and system based on AI (advanced technology attachment) graph recognition technology

CN122024268ACN 122024268 ACN122024268 ACN 122024268ACN-122024268-A

Abstract

The invention discloses a construction management unit extraction method based on an AI (advanced technology) graph recognition technology, which comprises the steps of recognizing and generating a space frame of a whole building according to an acquired building drawing catalog, and recognizing and extracting functional spaces and flowing water sections of all floors according to the generated space frame and combining a building plan to obtain a construction management unit. The invention rapidly extracts the management unit (working face) for professional production construction management such as decoration, electromechanical installation and the like based on AI recognition technology, drawing light-weight analysis technology and the like.

Inventors

LIU YU
WANG XIANGYANG
LI YONGFENG
Xiang Liliang
LEI LINGXI
LIU FAN
WU XIAOKAI
JIA WEIZHENG
ZHANG YIDI
YANG HAIMING

Assignees

中建三局安装工程有限公司

Dates

Publication Date: 20260512
Application Date: 20251225

Claims (10)

1. The construction management unit extraction method based on the AI graph recognition technology is characterized by comprising the following steps of: identifying and generating a space frame of the whole building according to the acquired building drawing catalogue; and according to the generated space frame, combining the building plan, and identifying and extracting the functional space and the flowing water section of each floor to obtain the construction management unit.
2. The method for extracting a construction management unit based on AI-graphics recognition technology according to claim 1, wherein the step of recognizing and generating a space frame of a whole building according to the acquired building drawing catalog comprises the steps of: According to the text bounding box, text information needing to be extracted by the space frame is screened out from the acquired building drawing catalogue; And carrying out structural extraction of spatial information from the text information by adopting prompt word engineering to generate a spatial frame of the whole building.
3. The method for extracting the construction management unit based on the AI drawing recognition technology as set forth in claim 2, wherein the method for selecting the catalog range bounding box A and querying the text bounding box B from the acquired construction drawing catalog according to the text bounding box is as follows: B.min.x is greater than or equal to A.min.x and B.max.x is less than or equal to A.max.x; And B.min.y is more than or equal to A.min.y and B.max.y is less than or equal to A.max.y.
4. The method for extracting a construction management unit based on AI picture recognition technology according to claim 2, wherein the step of performing spatial information structured extraction from the text information by using a prompt word engineering includes: based on the drawing names and the spatial relations contained in the building drawing catalogue, establishing a classification relation of the drawing in the spatial dimension, and outputting structural spatial information of each building and each floor.
5. The AI-graph-recognition-technology-based construction management unit extraction method according to claim 1, wherein before identifying and extracting the functional space and the flow section of each floor, the method further comprises: And removing non-space related layers and data in the building plan based on a text retrieval algorithm, and screening out a core layer, wherein the core layer comprises primitives of walls, beams, plates and columns.
6. The method for extracting a construction management unit based on the AI-mapping technique as defined in claim 5, wherein the steps of identifying and extracting the functional space and the flow section of each floor include: the geometric data of the wall, beam, plate and column are simplified, combined and closed.
7. The AI-aware-technology-based construction management unit extraction method of claim 6, further comprising: extracting the picture element contour lines of walls, beams, plates and columns, wherein the picture element contour lines are described by multi-section lines; Performing multi-section line simplification, and searching a closed region; filtering according to the area of the searched closed region to obtain a closed region with the area meeting the requirement; Based on the closed area obtained after filtering, searching the function space and the name of the flow section in the area; And extracting the functional space and the running water section of each floor to form a construction management unit.
8. The utility model provides a construction management unit draws system based on AI drawing technique which characterized in that includes: The space frame generation module is used for identifying and generating a space frame of the whole building according to the acquired building drawing catalogue; And the construction management unit extraction module is used for identifying and extracting the functional space and the flowing water section of each floor according to the generated space frame and combining the building plan to obtain the construction management unit.
9. A construction management unit extraction device based on AI picture recognition technology, characterized by comprising a memory and a processor, wherein the memory stores program instructions to be executed by the processor, and the processor invokes the program instructions to execute a construction management unit extraction method based on AI picture recognition technology as claimed in any one of claims 1 to 7.
10. A non-transitory computer-readable storage medium storing computer instructions that cause the computer to perform a construction management unit extraction method based on AI-graphics recognition technology as claimed in any one of claims 1 to 7.

Description

Construction management unit extraction method and system based on AI (advanced technology attachment) graph recognition technology Technical Field The invention belongs to the technical field of BIM, and particularly relates to a construction management unit extraction method and system based on an AI (advanced technology attachment) graph recognition technology. Background In the fine management of building construction, orderly management is interspersed based on working procedures of a working face (space), and is a key link for improving efficiency. In the traditional working procedure management mode based on a working face (space), a BIM model for bearing space data needs to be established on multiple days, which is not beneficial to enabling a digital service system. The concrete steps are as follows: 1. The efficiency is low, the traditional BIM modeling is completed in a plurality of days (even a plurality of weeks), professional modeling staff is required to operate, the method is difficult to adapt to the drawing requirement of high-frequency updating in the construction stage, the manual analysis depends on personal experience, and the method is easy to be influenced by fatigue and subjective judgment, and has low extraction efficiency. 2. The compatibility is poor, construction drawings are drawn by different design units, drawing catalog formats, layer naming standards (such as 'WALLs' may be marked as 'A-WALL', 'STR-WALL', 'WALL', and the like), and space naming modes are not uniform, so that the traditional OCR recognition (only text can be extracted, space logic cannot be associated) and fixed template analysis technology (depending on preset formats) cannot be adapted, and space information is difficult to automatically extract. 3. The digital connection is difficult, namely the building construction diagram contains space information such as functional space (bedroom, living room, study room and the like) and construction running water section and the like, but the information cannot be directly stored and queried by a computer in a structured way at present. Disclosure of Invention Aiming at the defects existing in the prior art, the invention provides a construction management unit extraction method based on an AI (advanced technology) recognition technology, a drawing light-weight analysis technology and the like, which is used for rapidly extracting a management unit (working face) for professional production construction management such as decoration, electromechanical installation and the like. According to an aspect of the present disclosure, there is provided a construction management unit extraction method based on AI picture recognition technology, including: identifying and generating a space frame of the whole building according to the acquired building drawing catalogue; and according to the generated space frame, combining the building plan, and identifying and extracting the functional space and the flowing water section of each floor to obtain the construction management unit. As a further technical solution, identifying and generating a space frame of the whole building according to the acquired building drawing catalog, including: According to the text bounding box, text information needing to be extracted by the space frame is screened out from the acquired building drawing catalogue; And carrying out structural extraction of spatial information from the text information by adopting prompt word engineering to generate a spatial frame of the whole building. As a further technical scheme, according to the text bounding box, a catalog range bounding box A and a text bounding box B are selected from the acquired building drawing catalogs in a frame mode as follows: B.min.x is greater than or equal to A.min.x and B.max.x is less than or equal to A.max.x; And B.min.y is more than or equal to A.min.y and B.max.y is less than or equal to A.max.y. As a further technical scheme, the method for carrying out the structured extraction of the spatial information from the text information by adopting the prompt word engineering comprises the following steps: based on the drawing names and the spatial relations contained in the building drawing catalogue, establishing a classification relation of the drawing in the spatial dimension, and outputting structural spatial information of each building and each floor. As a further technical solution, before identifying and extracting the functional space and the flow section of each floor, the method further includes: And removing non-space related layers and data in the building plan based on a text retrieval algorithm, and screening out a core layer, wherein the core layer comprises primitives of walls, beams, plates and columns. As a further technical solution, identifying and extracting functional spaces and flow sections of each floor includes: the geometric data of the wall, beam, plate and column are simplified, combined and closed. A