Drawing Title Field Recognition for Similar Drawing Search
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Solution Overview
Problem
Existing drawing management systems struggle to accurately specify attribute values in diverse title fields of drawing data due to the lack of a unified standard, making it difficult to search for similar drawing data effectively.
Innovation Solution
A drawing search system that specifies the type of title field, arranges boxes within the field, performs character recognition, and associates attribute values with boxes to enable accurate searching of similar drawing data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If character recognition is performed on title fields without specifying type and arrangement, then processing speed is maintained, but measurement precision of attribute values deteriorates
Solution Approach 1:
The system performs preliminary actions by specifying the type of title field and the arrangement of boxes within the title field before executing character recognition. This preliminary structuring enables accurate identification of attribute values by establishing the contextual framework needed for precise measurement, resolving the contradiction between measurement precision and processing complexity.
2Loss of information
If title fields are processed without type identification, then device complexity is reduced, but loss of information about attribute values increases
Solution Approach 1:
The system segments the title field processing into distinct components: type specification, box arrangement specification, and character recognition. This segmentation preserves complete attribute value information by systematically organizing the analysis process, where each segment contributes specific information that would be lost in undifferentiated processing.
3Measurement precision
If comprehensive title field analysis is performed, then search accuracy improves, but productivity decreases
Solution Approach 1:
By performing preliminary specification of title field types and box arrangements, the system prepares the data structure in advance, enabling efficient subsequent processing. This preliminary action maintains high search accuracy while improving productivity by avoiding redundant analysis during the actual search operation.
Data Source
AI summary
A drawing search server specifies an arrangement of plural boxes existing in a title field title field existing in target drawing data. The drawing search server executes character recognition processing on each character string existing at each position in the title field existing in the target drawing data. Based on the character recognition result and the arrangement of the plural boxes, the drawing search server specifies a target attribute value representing an attribute value of the target drawing data and specifies a target attribute which is an attribute associated in advance with the box. The drawing search server searches a drawing database for drawing data having an attribute value similar to the attribute value of the target drawing data based on a combination of the target attribute value and the target attribute, and outputs a search result.