Wood-Based Panel Edge Imaging for Label-Free Identification
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Solution Overview
Problem
Existing methods for identifying wood-based panels face challenges due to the need for precise panel alignment during image capture, contamination issues, and the inefficiency of using shipping labels, which can lead to inaccurate identification and increased operational complexity.
Innovation Solution
A method involving the capture of digital images of panel packages, where multiple panels form a stack, analyzing sections of their side edges to generate comparison datasets based on the structure of wood-based elements, and using hash values for unique identification, eliminating the need for physical labels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If precise panel alignment is required during image capture, then identification accuracy is improved, but operational complexity and time consumption increase
Solution Approach 1:
The patent divides the identification task into two distinct phases: during manufacturing, only side edge images are captured without requiring full panel alignment, while during logistics, any visible portion (side edge or surface) can be used for identification. This segmentation removes the alignment constraint from the critical identification path.
Solution Approach 2:
The system performs preliminary action by capturing and storing side edge images during the manufacturing process when panels are still in controlled positions. These pre-captured images serve as reference data, eliminating the need for precise alignment during later logistics operations when panels are handled in uncontrolled environments.
2Ease of operation
If shipping labels are used for panel identification, then identification process is simplified, but reliability decreases due to contamination and loss
Solution Approach 1:
The patent creates a digital copy of the panel's inherent side edge structure, which serves as a permanent, unalterable identification feature. This digital replica replaces physical shipping labels, eliminating issues with label contamination, loss, or misplacement while maintaining ease of identification through image-based matching.
Solution Approach 2:
The panel's own side edge structure serves as its identification marker. Instead of requiring external labels to be attached, the panel's manufactured side edge pattern inherently contains the identification information, making the identification system self-contained and eliminating reliance on separate labeling components.
3Productivity
If multiple panels are stacked in a panel package, then logistics efficiency is improved, but measurement precision deteriorates due to limited visibility
Solution Approach 1:
The patent transitions from requiring top-down or front-view images to using side edge views for identification. By capturing images from the side dimension of stacked panels, the system can identify individual panels within a vertical stack without requiring the panels to be separated or repositioned, maintaining logistics efficiency while achieving identification precision.
Data Source
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AI summary
The invention relates to a method for generating a data set for identifying wood-based panels, wherein at least two wood-based panels, in particular several wood-based panels, form a panel package, wherein at least one digital image of a part of the panel package is captured with sections of the side edges of the wood-based panels, wherein image sections from the digital image are determined with the sections of the individual side edges, wherein a comparison data set for each image section is determined based on the structure of the wood-based panel elements, wherein the comparison data set of each wood-based panel is stored, and wherein at least one piece of information about the respective wood-based panel and the respective panel package is linked to the comparison data set of each wood-based panel and stored in a database. The invention further relates to a method for identifying a wood-based panel.