Graphical Indicator Matrix with Oblique Headers
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Solution Overview
Problem
Conventional graphical indicators face challenges in achieving a high recognition rate during image recognition processes due to the optimal arrangement of graphical micro-units in the content data area without expanding the header area proportion, which affects the capacity to carry indicator data and recognition accuracy.
Innovation Solution
A graphical indicator structure comprising a matrix arrangement of first and second header blocks and data blocks, where the second header blocks are obliquely arranged, forming an included angle less than 90 degrees with the first header blocks, allowing for efficient orientation and positioning during image recognition while maximizing data payload.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the header area is expanded to improve orientation and positioning accuracy, then the recognition rate improves, but the capacity to carry indicator data decreases
Solution Approach 1:
The graphical indicator is segmented into multiple functional zones: a header area containing header graphical micro-units for orientation and positioning, and a content data area containing data graphical micro-units for information storage. This segmentation allows each zone to be optimized independently - the header area provides accurate positioning while the content area maximizes data capacity.
Solution Approach 2:
Different regions of the graphical indicator are assigned different functions and densities. The header area uses a specific arrangement of graphical micro-units optimized for recognition, while the content data area uses a different arrangement optimized for data storage. This local differentiation resolves the contradiction by allowing the header to be small enough not to compromise data capacity while still providing sufficient positioning information.
2Quantity of substance
If the graphical micro-units are arranged densely to increase data capacity, then the data carrying capacity improves, but the recognition accuracy deteriorates
Solution Approach 1:
The graphical indicator is divided into a header area with lower density graphical micro-units optimized for recognition, and a content data area with higher density graphical micro-units optimized for data storage. This segmentation allows the system to achieve both high data capacity and high recognition accuracy by optimizing each zone for its specific function.
Solution Approach 2:
The patent uses a two-dimensional matrix arrangement of graphical micro-units with different spatial frequencies in different regions. The header area uses a coarser spatial arrangement that is easier to detect and orient, while the content area uses a finer spatial arrangement that packs more data. This dimensional differentiation in spatial frequency allows simultaneous optimization of both recognition and data capacity.
3Manufacturing precision
If the header area proportion is increased to improve positioning accuracy, then the orientation and positioning improve, but the area available for data blocks decreases
Solution Approach 1:
The graphical indicator is segmented into a compact header area and a larger content data area. The header area contains only the necessary header graphical micro-units for orientation and positioning, minimized to the smallest effective size. The content data area occupies the remaining space, maximizing the area available for data storage while the compact header provides sufficient positioning accuracy.
Solution Approach 2:
The patent employs an asymmetric layout where the header area is positioned in a specific region (e.g., corner or edge) with a specific proportion optimized for positioning, while the content data area occupies the asymmetric remaining space. This asymmetric arrangement allows the header to be small enough to preserve maximum content area while still providing adequate positioning information for accurate recognition.
Data Source
Figure 1A~1B
Figure 1C
Figure 2A~2B
AI summary
A graphical indicator structure (I; IA; IB) comprising a plurality of the graphical indicators (20; 20A; 20B; 30; 40; 40'; 70). Each graphical indicator (20; 20A; 20B; 30; 40; 40'; 70) comprising a linear area (220; 720) and an array area (240) forming an indicator matrix (280; 780) together with the linear area (220; 720). A dimension of the indicator matrix (280; 780) is MxN, M and N being positive integers respectively greater than 2. The array area (240) comprises a plurality of linear sub-array areas (242; 742) parallel to the linear area (220; 720), each of the linear sub-array areas (242; 742) has a plurality of blocks (260A, 260B, 360A, 360B, 460B, 460B') and comprises at least one of a plurality of header graphical micro-units (A, A') and a plurality of data graphical micro-units (B) respectively disposed in the blocks (260A, 260B, 360A, 360B, 460B, 460B'). A number of the data graphical micro-units (B) that are consecutively arranged in each column of the graphical indicator structure (I; IA; IB) and a number of the data graphical micro-units (B) that are consecutively arranged in each row of the graphical indicator structure (I; IA; IB) are not over M-1 and N-1.